Buildresult: linus-rand/x86_64-randconfig/x86_64-gcc4.6 built on Sep 18 2018, 20:47
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Status:
OK
Date/Time:
Sep 18 2018, 20:47
Duration:
0:01:37.696896
Builder:
ka4
Revision:
Merge gitolite.kernel.org:/pub/scm/linux/kernel/git/davem/net (
5211da9ca526a5adddee1ccd078e6e33a583ab36)
Target:
linus-rand/x86_64-randconfig/x86_64-gcc4.6
Branch:
linus-rand
Compiler:
x86_64-gcc4.6
(x86_64-linux-gcc (GCC) 4.6.3)
Config:
randconfig
(
download
)
Log:
Download original
Possible warnings (492)
scripts/unifdef.c:453:28: warning: 'strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation] kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x46: unreachable instruction arch/x86/events/amd/ibs.c:306:11: warning: 'config' may be used uninitialized in this function [-Wuninitialized] arch/x86/entry/vsyscall/vsyscall_64.c:209:16: warning: 'syscall_nr' may be used uninitialized in this function [-Wuninitialized] mm/mempool.o: warning: objtool: mempool_resize()+0x4c: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x4d: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0xfb: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x3f: unreachable instruction kernel/printk/printk.c:185:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/bind.o: warning: objtool: cachefiles_daemon_bind()+0x7c: unreachable instruction arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0x122: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: sync_global_pgds_l4()+0x85: unreachable instruction kernel/cgroup/cgroup-v1.c:1245:9: warning: 'root' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/espfix_64.c:118:22: warning: 'rand' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/daemon.o: warning: objtool: cachefiles_daemon_release()+0x68: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x63: unreachable instruction arch/x86/mm/fault.o: warning: objtool: vmalloc_fault()+0x1e1: unreachable instruction fs/crypto/crypto.o: warning: objtool: fscrypt_encrypt_page()+0x58: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x57: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x5b: unreachable instruction arch/x86/kernel/hw_breakpoint.c:366:2: warning: 'align' may be used uninitialized in this function [-Wuninitialized] fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x84: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x52: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x57: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x56: unreachable instruction arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x62: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0xde: unreachable instruction crypto/async_tx/async_tx.c:258:18: warning: 'chan' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/key.o: warning: objtool: cachefiles_cook_key()+0x54: unreachable instruction fs/cachefiles/interface.o: warning: objtool: cachefiles_alloc_object()+0xfa: unreachable instruction arch/x86/kernel/ftrace.o: warning: objtool: ftrace_modify_code()+0xb2: unreachable instruction ipc/shm.c:1685:3: warning: 'file' may be used uninitialized in this function [-Wuninitialized] mm/filemap.o: warning: objtool: unaccount_page_cache_page()+0x88: unreachable instruction kernel/power/suspend.o: warning: objtool: suspend_enter()+0x1c3: unreachable instruction crypto/async_tx/async_pq.o: warning: objtool: do_sync_gen_syndrome()+0xc5: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0xac: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0xd9: unreachable instruction kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x54: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0x46: unreachable instruction fs/cachefiles/xattr.o: warning: objtool: cachefiles_check_object_type()+0x6b: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0x24c: unreachable instruction fs/btrfs/ctree.c:2113:24: warning: 'pslot' may be used uninitialized in this function [-Wuninitialized] mm/swap.o: warning: objtool: lru_cache_add()+0x6d: unreachable instruction ipc/mqueue.c:1117:3: warning: 'msg_ptr' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/ctree.c:1900:24: warning: 'pslot' may be used uninitialized in this function [-Wuninitialized] mm/page-writeback.o: warning: objtool: write_one_page()+0x74: unreachable instruction fs/debugfs/file.o: warning: objtool: full_proxy_open()+0x154: unreachable instruction fs/cachefiles/rdwr.o: warning: objtool: cachefiles_read_waiter()+0x73: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x63: unreachable instruction kernel/time/tick-sched.c:1156:32: warning: 'now' may be used uninitialized in this function [-Wuninitialized] kernel/futex.c:1604:3: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] mm/vmstat.c:89:2: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] fs/ext4/bitmap.o: warning: objtool: ext4_chksum.isra.1()+0x53: unreachable instruction drivers/block/brd.o: warning: objtool: brd_insert_page()+0x131: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x2bf: unreachable instruction kernel/audit_fsnotify.o: warning: objtool: audit_mark_handle_event()+0x70: unreachable instruction fs/cachefiles/namei.o: warning: objtool: cachefiles_mark_object_active()+0x238: unreachable instruction mm/shmem.o: warning: objtool: shmem_radix_tree_replace()+0x55: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_pushable_task()+0xcc: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.12()+0xc5: unreachable instruction kernel/audit_watch.o: warning: objtool: audit_watch_handle_event()+0x70: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets()+0x11c: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x4c: unreachable instruction mm/debug.o: warning: objtool: __dump_page()+0xa5: unreachable instruction fs/f2fs/namei.c:615:22: warning: 'disk_link.len' may be used uninitialized in this function [-Wuninitialized] fs/f2fs/namei.c:629:2: warning: 'disk_link.name' may be used uninitialized in this function [-Wuninitialized] fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x91: unreachable instruction mm/workingset.o: warning: objtool: workingset_eviction()+0x6c: unreachable instruction fs/f2fs/inode.o: warning: objtool: f2fs_chksum()+0x57: unreachable instruction kernel/sched/core.o: warning: objtool: sched_cpu_dying()+0x9d: unreachable instruction mm/pagewalk.o: warning: objtool: walk_page_vma()+0x71: unreachable instruction arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c:1283:21: warning: 'new_minor' may be used uninitialized in this function [-Wuninitialized] fs/gfs2/bmap.c:926:3: warning: 'height' may be used uninitialized in this function [-Wuninitialized] fs/gfs2/bmap.c:927:8: warning: 'len' may be used uninitialized in this function [-Wuninitialized] mm/mlock.o: warning: objtool: __putback_lru_fast_prepare()+0x61: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x110: unreachable instruction kernel/workqueue.o: warning: objtool: wq_numa_init()+0xae: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x9b: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x62: unreachable instruction mm/gup.o: warning: objtool: gup_pte_range()+0x234: unreachable instruction mm/page_io.o: warning: objtool: swap_readpage()+0x7d: unreachable instruction fs/fuse/dev.o: warning: objtool: fuse_copy_fill()+0xe6: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x37a: unreachable instruction mm/memblock.c:1200:15: warning: 'r' may be used uninitialized in this function [-Wuninitialized] mm/vmscan.o: warning: objtool: page_ref_unfreeze()+0x5a: unreachable instruction mm/swap_state.o: warning: objtool: __add_to_swap_cache()+0x65: unreachable instruction fs/f2fs/file.c:2871:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] block/bio.o: warning: objtool: bio_split()+0x52: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x65: unreachable instruction drivers/block/pktcdvd.o: warning: objtool: pkt_rbtree_find()+0x6c: unreachable instruction fs/fscache/cookie.o: warning: objtool: fscache_hash_cookie()+0x112: unreachable instruction mm/rmap.o: warning: objtool: __page_check_anon_rmap()+0x5b: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x5a: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_indirect_init()+0x79: unreachable instruction mm/page_alloc.o: warning: objtool: move_freepages()+0xb2: unreachable instruction kernel/events/uprobes.o: warning: objtool: __replace_page()+0x110: unreachable instruction mm/compaction.o: warning: objtool: isolate_migratepages_block()+0x4ed: unreachable instruction fs/jbd2/transaction.o: warning: objtool: jbd2_journal_file_inode()+0x170: unreachable instruction fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x58: unreachable instruction block/blk-sysfs.c:451:2: warning: 'val' may be used uninitialized in this function [-Wuninitialized] fs/f2fs/checkpoint.o: warning: objtool: f2fs_crc32()+0x52: unreachable instruction fs/f2fs/data.c:1350:7: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] fs/f2fs/data.c:1350:7: warning: 'len' may be used uninitialized in this function [-Wuninitialized] mm/page_isolation.o: warning: objtool: start_isolate_page_range()+0x56: unreachable instruction mm/vmalloc.o: warning: objtool: alloc_vmap_area()+0x60: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x6a: unreachable instruction lib/mpi/mpicoder.c:330:5: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] include/linux/spinlock.h:369:2: warning: 'ptl' may be used uninitialized in this function [-Wuninitialized] fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0xa2: unreachable instruction mm/ksm.c:1395:4: warning: 'found_rmap_hlist_len' may be used uninitialized in this function [-Wuninitialized] fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x5a: unreachable instruction mm/swapfile.c:3009:6: warning: 'nr_extents' may be used uninitialized in this function [-Wuninitialized] mm/mmap.o: warning: objtool: unmapped_area()+0x310: unreachable instruction kernel/trace/trace_events.c:1052:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] include/linux/spinlock.h:369:2: warning: 'dst_ptl' may be used uninitialized in this function [-Wuninitialized] drivers/block/virtio_blk.c:531:2: warning: 'writeback' may be used uninitialized in this function [-Wuninitialized] mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x5d: unreachable instruction fs/f2fs/node.c:265:17: warning: 'head' may be used uninitialized in this function [-Wuninitialized] mm/ksm.c:1893:16: warning: 'stable_node' may be used uninitialized in this function [-Wuninitialized] drivers/block/virtio_blk.c:449:27: warning: 'num_vqs' may be used uninitialized in this function [-Wuninitialized] mm/swapfile.o: warning: objtool: swap_count_continued()+0x86: unreachable instruction drivers/block/virtio_blk.c:750:31: warning: 'blk_size' may be used uninitialized in this function [-Wuninitialized] drivers/block/virtio_blk.c:741:29: warning: 'v' may be used uninitialized in this function [-Wuninitialized] kernel/trace/trace_events.c:2241:4: warning: 'last_i' may be used uninitialized in this function [-Wuninitialized] fs/gfs2/aops.o: warning: objtool: gfs2_invalidatepage()+0x75: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x7a: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x40d: unreachable instruction fs/f2fs/node.c:2749:11: warning: 'nat_blk' may be used uninitialized in this function [-Wuninitialized] mm/memory.o: warning: objtool: __tlb_remove_page_size()+0x4e: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x70: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x80: unreachable instruction drivers/dma/dw/core.o: warning: objtool: dwc_free_chan_resources()+0x92: unreachable instruction mm/migrate.o: warning: objtool: add_page_for_migration()+0x134: unreachable instruction mm/ksm.o: warning: objtool: stable_node_chain_add_dup()+0x47: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x181: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_chksum.isra.3()+0x53: unreachable instruction fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x5e: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x72: unreachable instruction fs/gfs2/rgrp.c:1605:17: warning: 'rs' may be used uninitialized in this function [-Wuninitialized] lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] block/blk-merge.c:294:2: warning: 'bbio' may be used uninitialized in this function [-Wuninitialized] fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x5c: unreachable instruction include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] fs/f2fs/super.o: warning: objtool: f2fs_fill_super()+0x1e3: unreachable instruction mm/slab.o: warning: objtool: kmem_freepages.isra.50()+0xb5: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x4e: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x7a: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x50: unreachable instruction fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x758: unreachable instruction fs/jbd2/commit.o: warning: objtool: release_buffer_page()+0x138: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x65: unreachable instruction fs/jfs/jfs_metapage.o: warning: objtool: metapage_invalidatepage()+0x4f: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0xf0: unreachable instruction fs/ext4/extents_status.o: warning: objtool: ext4_es_find_delayed_extent_range()+0x55: unreachable instruction block/blk-mq-tag.o: warning: objtool: blk_mq_put_tag()+0x69: unreachable instruction fs/fscache/object-list.o: warning: objtool: fscache_objlist_add()+0x6d: unreachable instruction block/blk-core.o: warning: objtool: blk_dequeue_request()+0x51: unreachable instruction fs/gfs2/quota.o: warning: objtool: hlist_bl_add_head_rcu()+0x6d: unreachable instruction fs/f2fs/data.o: warning: objtool: f2fs_migrate_page()+0x69: unreachable instruction fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0xc1: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_free_extlen()+0xd7: unreachable instruction fs/f2fs/node.o: warning: objtool: f2fs_truncate_inode_blocks()+0x350: unreachable instruction fs/jfs/jfs_xtree.o: warning: objtool: xtTruncate()+0xb5: unreachable instruction drivers/char/tpm/tpm-sysfs.c:37:16: warning: 'tpm_buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/block/null_blk_main.c:1231:3: warning: 'size' may be used uninitialized in this function [-Wuninitialized] drivers/block/null_blk_main.c:1231:3: warning: 'sector' may be used uninitialized in this function [-Wuninitialized] fs/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x241: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x5d: unreachable instruction fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0xa4: unreachable instruction drivers/block/null_blk_main.o: warning: objtool: null_init_queue()+0x49: unreachable instruction fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x5f: unreachable instruction fs/jfs/jfs_txnmgr.o: warning: objtool: LogSyncRelease()+0x52: unreachable instruction drivers/hwspinlock/hwspinlock_core.o: warning: objtool: __hwspin_trylock()+0x4c: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0x22e: unreachable instruction fs/ext4/extents.c:3556:21: warning: 'abut_ex' may be used uninitialized in this function [-Wuninitialized] drivers/gpio/gpiolib.c:3964:21: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] drivers/firmware/qemu_fw_cfg.c:495:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/ext4/ialloc.c:1254:9: warning: 'bit' may be used uninitialized in this function [-Wuninitialized] fs/ext4/readpage.o: warning: objtool: ext4_mpage_readpages()+0x538: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x70: unreachable instruction net/9p/trans_virtio.o: warning: objtool: pack_sg_list_p.constprop.8()+0x6c: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x2df: unreachable instruction fs/ocfs2/cluster/quorum.o: warning: objtool: o2quo_clear_hold.constprop.2()+0x4b: unreachable instruction fs/ext4/page-io.o: warning: objtool: ext4_finish_bio()+0xfc: unreachable instruction fs/ext4/ialloc.o: warning: objtool: ext4_chksum.isra.13.constprop.14()+0x4e: unreachable instruction fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x53: unreachable instruction drivers/dma-buf/reservation.c:142:3: warning: 'signaled_idx' may be used uninitialized in this function [-Wuninitialized] drivers/dma-buf/reservation.c:211:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/collate.o: warning: objtool: ntfs_collate_ntofs_ulong()+0x78: unreachable instruction fs/jbd2/journal.o: warning: objtool: get_slab()+0x4b: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0x1a2: unreachable instruction fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0xf9: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x85: unreachable instruction block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x4b: unreachable instruction drivers/base/regmap/regmap.c:1833:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm2-cmd.c:461:20: warning: 'hash' may be used uninitialized in this function [-Wuninitialized] fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x6a: unreachable instruction lib/rhashtable.c:264:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:2511:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:2605:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/attrib.o: warning: objtool: ntfs_attr_find_in_attrdef()+0x4a: unreachable instruction drivers/base/regmap/regmap.c:2715:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x70: unreachable instruction block/blk-cgroup.o: warning: objtool: blkcg_print_stat()+0x83: unreachable instruction block/bfq-wf2q.c:809:24: warning: 'root' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/cluster/heartbeat.o: warning: objtool: o2hb_queue_node_event()+0x54: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x28e: unreachable instruction fs/ntfs/dir.c:1430:7: warning: 'bmp_vi' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/alloc.c:437:18: warning: 'r' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/inode.c:1474:7: warning: 'ram_bytes' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/inode.c:1474:7: warning: 'disk_num_bytes' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/inode.c:1472:8: warning: 'extent_offset' may be used uninitialized in this function [-Wuninitialized] lib/assoc_array.c:645:2: warning: 'j' may be used uninitialized in this function [-Wuninitialized] fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0x18d: unreachable instruction fs/quota/dquot.o: warning: objtool: dqput()+0x91: unreachable instruction drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_build_cmd()+0x2a: unreachable instruction fs/ntfs/index.o: warning: objtool: ntfs_index_lookup()+0x93: unreachable instruction fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0x14d: unreachable instruction fs/ocfs2/dlm/dlmdomain.o: warning: objtool: dlm_ctxt_release()+0x43: unreachable instruction fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x58: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0xf4: unreachable instruction drivers/base/regmap/regcache-rbtree.c:454:8: warning: 'new_top_reg' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regcache-rbtree.c:454:8: warning: 'new_base_reg' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x70: unreachable instruction include/linux/skbuff.h:2319:22: warning: 'depth' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/ttm/ttm_tt.o: warning: objtool: ttm_tt_swapout()+0x54: unreachable instruction fs/ext4/xattr.o: warning: objtool: ext4_chksum.isra.10()+0x53: unreachable instruction fs/ocfs2/cluster/tcp.o: warning: objtool: o2net_set_nn_state()+0x6e: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x98: unreachable instruction drivers/md/persistent-data/dm-array.o: warning: objtool: populate_ablock_with_values()+0x5f: unreachable instruction include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] fs/ext4/namei.o: warning: objtool: dx_insert_block()+0x62: unreachable instruction fs/udf/file.o: warning: objtool: udf_adinicb_writepage()+0x54: unreachable instruction block/bfq-iosched.c:4110:2: warning: 'bfqd' may be used uninitialized in this function [-Wuninitialized] lib/genalloc.o: warning: objtool: gen_pool_free()+0x8f: unreachable instruction drivers/iio/accel/mma9551_core.c:590:34: warning: 'pol_mask' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/dlmfs/userdlm.o: warning: objtool: user_unlock_ast()+0xec: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x3cc: unreachable instruction fs/ext4/mballoc.o: warning: objtool: mb_find_order_for_block()+0x56: unreachable instruction fs/ntfs/file.o: warning: objtool: ntfs_attr_extend_initialized()+0x6b: unreachable instruction block/cfq-iosched.o: warning: objtool: cfq_del_cfqq_rr()+0xe0: unreachable instruction fs/ocfs2/dlm/dlmthread.o: warning: objtool: dlm_shuffle_lists()+0x54: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0x136: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0xa1: unreachable instruction fs/ntfs/sysctl.o: warning: objtool: ntfs_sysctl()+0x59: unreachable instruction drivers/md/persistent-data/dm-space-map-common.c:378:41: warning: 'position' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/mft.o: warning: objtool: ntfs_mft_record_format()+0x1a8: unreachable instruction drivers/gpu/drm/ttm/ttm_bo.o: warning: objtool: ttm_bo_release_list()+0x52: unreachable instruction drivers/md/bcache/bset.o: warning: objtool: make_bfloat()+0x10e: unreachable instruction fs/ext4/inode.o: warning: objtool: ext4_block_write_begin()+0x77: unreachable instruction drivers/media/cec/cec-api.c:318:2: warning: 'ev_idx' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/inode.o: warning: objtool: ntfs_destroy_extent_inode()+0x68: unreachable instruction fs/ocfs2/dlmfs/dlmfs.o: warning: objtool: dlmfs_get_inode()+0xab: unreachable instruction fs/ntfs/runlist.o: warning: objtool: ntfs_are_rl_mergeable()+0x44: unreachable instruction fs/udf/inode.o: warning: objtool: udf_expand_file_adinicb()+0x1f9: unreachable instruction fs/btrfs/inode.o: warning: objtool: run_delalloc_nocow()+0x81c: unreachable instruction drivers/i2c/i2c-core-base.c:235:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/extent_io.c:2639:32: warning: 'tree' may be used uninitialized in this function [-Wuninitialized] drivers/base/devres.o: warning: objtool: remove_nodes.isra.1()+0x117: unreachable instruction fs/ocfs2/dlm/dlmast.o: warning: objtool: dlm_should_cancel_bast()+0x47: unreachable instruction net/core/sock.o: warning: objtool: sk_alloc_sg()+0x1ff: unreachable instruction drivers/media/common/videobuf2/videobuf2-core.c:2550:3: warning: 'vb' may be used uninitialized in this function [-Wuninitialized] lib/plist.o: warning: objtool: plist_requeue()+0x50: unreachable instruction fs/ocfs2/dlm/dlmconvert.o: warning: objtool: dlm_convert_lock_handler()+0x11c: unreachable instruction drivers/nvdimm/dimm_devs.c:499:43: warning: 'nd_mapping' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/bitmap.o: warning: objtool: __ntfs_bitmap_set_bits_in_run()+0x57: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0xdd: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x56: unreachable instruction fs/ntfs/lcnalloc.o: warning: objtool: ntfs_cluster_alloc()+0xb0: unreachable instruction fs/ocfs2/dlm/dlmrecovery.o: warning: objtool: dlm_revalidate_lvb()+0x54: unreachable instruction fs/ntfs/logfile.o: warning: objtool: ntfs_check_and_load_restart_page()+0x115: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x93: unreachable instruction fs/btrfs/ioctl.c:3555:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/pinctrl/cirrus/pinctrl-madera-core.c:659:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/pinctrl/cirrus/pinctrl-madera-core.c:660:3: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/super.o: warning: objtool: check_mft_mirror()+0x80: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x388: unreachable instruction fs/ocfs2/dlm/dlmmaster.o: warning: objtool: dlm_pick_migration_target()+0x4b: unreachable instruction include/net/netlink.h:525:17: warning: 'msg_head' may be used uninitialized in this function [-Wuninitialized] include/net/netlink.h:525:17: warning: 'msg_head' may be used uninitialized in this function [-Wuninitialized] fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x75: unreachable instruction drivers/nvdimm/region_devs.c:1049:26: warning: 'nd_region' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/extent_io.o: warning: objtool: __set_extent_bit()+0x161: unreachable instruction net/bridge/br_netlink.c:589:10: warning: 'err' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/dlm/dlmunlock.o: warning: objtool: dlmunlock_common()+0x91: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x7ff: unreachable instruction drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0xe0: unreachable instruction fs/udf/super.c:1243:2: warning: 'map' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/dlm/dlmlock.o: warning: objtool: dlm_lock_release()+0x53: unreachable instruction fs/btrfs/free-space-cache.c:2840:5: warning: 'next_zero' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/tree-log.c:4293:9: warning: 'start_slot' may be used uninitialized in this function [-Wuninitialized] fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x6b: unreachable instruction fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x6c: unreachable instruction drivers/media/common/videobuf2/videobuf2-dma-contig.o: warning: objtool: dma_map_sg_attrs()+0x62: unreachable instruction drivers/md/persistent-data/dm-btree-remove.o: warning: objtool: node_copy()+0x5f: unreachable instruction drivers/md/bcache/closure.o: warning: objtool: closure_put_after_sub()+0x47: unreachable instruction fs/dcache.c:2417:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] fs/dcache.c:2417:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] fs/reiserfs/file.o: warning: objtool: reiserfs_commit_page()+0x13a: unreachable instruction drivers/md/bcache/btree.o: warning: objtool: do_btree_node_write()+0x8a: unreachable instruction drivers/mfd/wm8994-core.o: warning: objtool: wm8994_device_init.isra.13()+0xd5: unreachable instruction drivers/misc/bh1770glc.c:236:29: warning: 'mode' may be used uninitialized in this function [-Wuninitialized] fs/libfs.o: warning: objtool: simple_write_end()+0xc5: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x59: unreachable instruction fs/dcache.o: warning: objtool: hlist_bl_add_head_rcu()+0x6d: unreachable instruction drivers/leds/leds-pca955x.c:288:22: warning: 'ls' may be used uninitialized in this function [-Wuninitialized] drivers/mfd/madera-core.c:557:6: warning: 'mfd_devs' may be used uninitialized in this function [-Wuninitialized] drivers/leds/leds-max8997.c:91:27: warning: 'val' may be used uninitialized in this function [-Wuninitialized] fs/file.o: warning: objtool: __fd_install()+0x170: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x4b: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x5f: unreachable instruction drivers/md/bcache/extents.o: warning: objtool: bch_extent_insert_fixup()+0x68: unreachable instruction fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock()+0x6b: unreachable instruction fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x251: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_chksum.isra.106()+0x53: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: __btrfs_remove_delayed_item()+0x5b: unreachable instruction fs/mpage.o: warning: objtool: map_buffer_to_page()+0xaa: unreachable instruction fs/direct-io.o: warning: objtool: do_direct_IO()+0x27e: unreachable instruction drivers/md/bcache/journal.o: warning: objtool: bch_journal_replay()+0x9c: unreachable instruction net/core/skbuff.c:1764:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] drivers/nvdimm/btt.c:464:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0x4a: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0x179: unreachable instruction drivers/media/rc/rc-main.c:1155:15: warning: 'mask' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/movinggc.o: warning: objtool: closure_call.constprop.9()+0x7c: unreachable instruction drivers/platform/chrome/cros_ec_spi.o: warning: objtool: cros_ec_spi_receive_packet()+0x50: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_setup_recheck_block()+0x1b0: unreachable instruction net/core/skbuff.o: warning: objtool: pskb_expand_head()+0x62: unreachable instruction fs/mbcache.o: warning: objtool: mb_cache_entry_create()+0x1c0: unreachable instruction drivers/media/rc/rc-main.c:1518:20: warning: 'protocol' may be used uninitialized in this function [-Wuninitialized] fs/userfaultfd.o: warning: objtool: userfaultfd_ctx_put()+0x6c: unreachable instruction drivers/gpu/drm/virtio/virtgpu_vq.o: warning: objtool: virtio_gpu_get_vbuf.isra.2()+0x8c: unreachable instruction drivers/mtd/nand/raw/nand_base.c:6277:18: warning: 'best_ecc_bytes' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/nand/raw/nand_base.c:6276:21: warning: 'best_strength' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/nand/raw/nand_base.c:6275:17: warning: 'best_step' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/nand/raw/nand_base.c:6347:18: warning: 'best_ecc_bytes' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/nand/raw/nand_base.c:6346:21: warning: 'best_strength' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/backref.o: warning: objtool: add_inline_refs()+0x76: unreachable instruction include/linux/hid.h:1049:34: warning: 'report' may be used uninitialized in this function [-Wuninitialized] fs/buffer.o: warning: objtool: cont_expand_zero()+0x15b: unreachable instruction fs/ocfs2/aops.o: warning: objtool: ocfs2_figure_cluster_boundaries()+0xc2: unreachable instruction fs/aio.o: warning: objtool: aio_migratepage()+0x166: unreachable instruction fs/btrfs/relocation.o: warning: objtool: record_reloc_root_in_trans()+0x7f: unreachable instruction fs/btrfs/uuid-tree.c:139:21: warning: 'offset' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/uuid-tree.c:140:25: warning: 'eb' may be used uninitialized in this function [-Wuninitialized] fs/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x77: unreachable instruction fs/ocfs2/buffer_head_io.o: warning: objtool: ocfs2_write_block()+0x1f6: unreachable instruction drivers/gpu/drm/drm_atomic_helper.c:1929:26: warning: 'new_crtc_state' may be used uninitialized in this function [-Wuninitialized] drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c:750:8: warning: 'drdy_int_reg' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/request.o: warning: objtool: cache_lookup_fn()+0x19f: unreachable instruction drivers/iio/proximity/srf08.c:370:33: warning: 'regval' may be used uninitialized in this function [-Wuninitialized] fs/locks.o: warning: objtool: locks_free_lock()+0x50: unreachable instruction fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.25()+0x7a: unreachable instruction include/linux/seqlock.h:205:9: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] drivers/iio/light/isl29018.c:128:16: warning: 'new_int_time' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x59: unreachable instruction crypto/drbg.o: warning: objtool: drbg_async_seed()+0x88: unreachable instruction drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] drivers/power/supply/da9052-battery.c:266:4: warning: 'chg_end_current' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_core.c:206:2: warning: 'i' may be used uninitialized in this function [-Wuninitialized] drivers/power/supply/da9052-battery.c:325:6: warning: 'level_lower' may be used uninitialized in this function [-Wuninitialized] drivers/power/supply/da9052-battery.c:324:22: warning: 'level_upper' may be used uninitialized in this function [-Wuninitialized] drivers/power/supply/da9052-battery.c:324:59: warning: 'vbat_upper' may be used uninitialized in this function [-Wuninitialized] drivers/power/supply/da9052-battery.c:325:37: warning: 'vbat_lower' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/raid56.o: warning: objtool: finish_parity_scrub()+0x99: unreachable instruction drivers/iio/light/lm3533-als.c:424:18: warning: 'enable' may be used uninitialized in this function [-Wuninitialized] drivers/iio/light/lv0104cs.c:313:23: warning: 'index' may be used uninitialized in this function [-Wuninitialized] drivers/rtc/rtc-ab-b5ze-s3.c:354:16: warning: 'timer_secs' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x92: unreachable instruction net/decnet/dn_nsp_out.o: warning: objtool: dn_mk_ack_header()+0x70: unreachable instruction drivers/mtd/nand/raw/nand_base.o: warning: objtool: nand_fill_oob()+0xa3: unreachable instruction drivers/mtd/nand/raw/nand_bbt.o: warning: objtool: verify_bbt_descr()+0x7f: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x97: unreachable instruction include/linux/mfd/da9052/da9052.h:157:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_fintek.c:409:18: warning: 'k' may be used uninitialized in this function [-Wuninitialized] drivers/md/raid5-ppl.o: warning: objtool: ppl_recover_entry()+0x45b: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x2a4: unreachable instruction drivers/nvme/target/io-cmd-file.c:261:20: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/nvme/target/io-cmd-bdev.c:176:21: warning: 'status' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/super.o: warning: objtool: cache_alloc()+0xd0: unreachable instruction drivers/md/raid5-cache.o: warning: objtool: r5c_flush_stripe()+0x51: unreachable instruction drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_probe()+0x229: unreachable instruction drivers/vhost/vhost.c:2363:23: warning: 'avail_idx' may be used uninitialized in this function [-Wuninitialized] drivers/vhost/vhost.c:2323:32: warning: 'avail_idx' may be used uninitialized in this function [-Wuninitialized] drivers/vhost/vhost.c:2279:40: warning: 'event' may be used uninitialized in this function [-Wuninitialized] drivers/vhost/vhost.c:2265:10: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] drivers/vhost/vhost.c:1825:36: warning: 'last_used_idx' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/send.o: warning: objtool: read_symlink()+0x13b: unreachable instruction fs/btrfs/check-integrity.o: warning: objtool: btrfsic_block_link_hashtable_lookup()+0x89: unreachable instruction fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x4d: unreachable instruction drivers/rtc/rtc-ds1307.c:1089:16: warning: 'temp' may be used uninitialized in this function [-Wuninitialized] fs/xfs/libxfs/xfs_alloc.c:2528:8: warning: 'error' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/alloc.o: warning: objtool: ocfs2_mv_path()+0x4e: unreachable instruction drivers/vhost/vhost.c:2053:23: warning: 'ring_head' may be used uninitialized in this function [-Wuninitialized] drivers/vhost/vhost.c:2023:33: warning: 'avail_idx' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/dlmglue.o: warning: objtool: lockres_set_pending()+0x47: unreachable instruction drivers/nvme/target/fc.c:1344:20: warning: 'queue' may be used uninitialized in this function [-Wuninitialized] drivers/nvme/target/fc.c:1437:20: warning: 'queue' may be used uninitialized in this function [-Wuninitialized] drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0x14c: unreachable instruction net/netlink/af_netlink.c:2229:13: warning: 'alloc_size' may be used uninitialized in this function [-Wuninitialized] drivers/vhost/vhost.o: warning: objtool: set_bit_to_user()+0x7a: unreachable instruction net/core/flow_dissector.o: warning: objtool: skb_flow_dissector_init()+0x73: unreachable instruction net/key/af_key.o: warning: objtool: pfkey_send_new_mapping()+0x1d6: unreachable instruction drivers/md/bcache/util.o: warning: objtool: bch_bio_map()+0x5a: unreachable instruction drivers/md/raid5.c:6302:7: warning: 'offset' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x9c: unreachable instruction drivers/power/supply/bq24190_charger.c:801:27: warning: 'en_term' may be used uninitialized in this function [-Wuninitialized] drivers/power/supply/bq24190_charger.c:794:27: warning: 'force_20pct' may be used uninitialized in this function [-Wuninitialized] drivers/md/dm-stripe.o: warning: objtool: stripe_map()+0x7e: unreachable instruction net/netlink/genetlink.o: warning: objtool: genl_validate_assign_mc_groups()+0x195: unreachable instruction fs/ocfs2/dcache.o: warning: objtool: ocfs2_dentry_attach_lock()+0x2e2: unreachable instruction drivers/input/touchscreen/hideep.c:632:2: warning: 'error' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/writeback.o: warning: objtool: read_dirty()+0x54: unreachable instruction drivers/md/raid5.o: warning: objtool: schedule_reconstruction()+0x240: unreachable instruction drivers/scsi/scsi_lib.o: warning: objtool: scsi_init_io()+0x2ab: unreachable instruction drivers/md/dm-table.o: warning: objtool: dm_table_determine_type()+0xb7: unreachable instruction drivers/gpu/drm/drm_bufs.c:526:4: warning: 'master' may be used uninitialized in this function [-Wuninitialized] net/wimax/id-table.o: warning: objtool: wimax_id_table_add()+0x5c: unreachable instruction net/rfkill/core.o: warning: objtool: rfkill_init_sw_state()+0x49: unreachable instruction net/wimax/op-msg.o: warning: objtool: wimax_msg_send()+0x75: unreachable instruction drivers/md/dm.o: warning: objtool: dm_accept_partial_bio()+0x4e: unreachable instruction drivers/md/dm-ioctl.c:1881:2: warning: 'ioctl_flags' may be used uninitialized in this function [-Wuninitialized] drivers/rtc/rtc-rv3029c2.c:701:16: warning: 'temp_mC' may be used uninitialized in this function [-Wuninitialized] drivers/md/dm-kcopyd.o: warning: objtool: dm_kcopyd_client_destroy()+0xcc: unreachable instruction drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_add_parent_port()+0x82: unreachable instruction net/core/rtnetlink.c:2171:30: warning: 'ivvl[len]' may be used uninitialized in this function [-Wuninitialized] net/wimax/op-state-get.o: warning: objtool: wimax_gnl_doit_state_get()+0x61: unreachable instruction net/wimax/op-reset.o: warning: objtool: wimax_reset()+0x68: unreachable instruction net/wimax/op-rfkill.o: warning: objtool: __wimax_rf_toggle_radio()+0x6d: unreachable instruction drivers/md/dm-bufio.o: warning: objtool: __cache_size_refresh()+0x45: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x51: unreachable instruction net/core/dev.c:3343:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/virtio_scsi.o: warning: objtool: virtscsi_queuecommand()+0x64: unreachable instruction fs/ocfs2/extent_map.o: warning: objtool: ocfs2_read_virt_blocks()+0x285: unreachable instruction fs/ocfs2/dir.o: warning: objtool: ocfs2_delete_entry_dx()+0xac: unreachable instruction drivers/video/fbdev/core/fb_defio.o: warning: objtool: fb_deferred_io_fault()+0xc8: unreachable instruction net/wimax/stack.o: warning: objtool: wimax_gnl_re_state_change_send()+0x70: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0x1a7: unreachable instruction include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/fsl_lpuart.o: warning: objtool: lpuart_start_rx_dma()+0x1b1: unreachable instruction drivers/md/dm-region-hash.o: warning: objtool: dm_region_hash_destroy()+0x6e: unreachable instruction drivers/gpu/drm/drm_atomic.c:760:2: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] net/xfrm/xfrm_policy.o: warning: objtool: xfrm_policy_destroy()+0x46: unreachable instruction drivers/gpu/drm/drm_atomic.c:2424:14: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] net/unix/garbage.o: warning: objtool: unix_inflight()+0xb4: unreachable instruction drivers/mtd/ubi/eba.c:1001:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized] drivers/media/i2c/mt9v111.c:932:2: warning: 'new_fmt.code' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/inode.o: warning: objtool: ocfs2_clear_inode()+0x24a: unreachable instruction drivers/md/dm-zoned-target.c:217:8: warning: 'rzone' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/mtdconcat.o: warning: objtool: concat_erase()+0x212: unreachable instruction drivers/gpu/drm/drm_edid.c:3750:30: warning: 'hdmi_len' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/file.c:1303:29: warning: 'had_lock' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/osst.c:4616:2: warning: 'STp' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/scsi_transport_iscsi.o: warning: objtool: iscsi_unregister_transport()+0x42: unreachable instruction drivers/md/dm-zoned-metadata.c:1310:14: warning: 'dmap' may be used uninitialized in this function [-Wuninitialized] drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x6a: unreachable instruction drivers/gpu/drm/drm_edid.c:3149:3: warning: 'clock2' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/move_extents.o: warning: objtool: ocfs2_move_extent()+0x104: unreachable instruction fs/ocfs2/file.o: warning: objtool: ocfs2_write_zero_page()+0x60: unreachable instruction net/core/dev.o: warning: objtool: gro_pull_from_frag0()+0x63: unreachable instruction drivers/media/tuners/max2165.c:202:11: warning: 'fraction' may be used uninitialized in this function [-Wuninitialized] drivers/media/tuners/max2165.c:204:19: warning: 'quotient' may be used uninitialized in this function [-Wuninitialized] net/core/filter.o: warning: objtool: bpf_msg_pull_data()+0x34f: unreachable instruction drivers/md/dm-thin.o: warning: objtool: cmp_cells()+0x4c: unreachable instruction drivers/hid/hid-picolcd_debugfs.c:312:10: warning: 'err' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0xb8: unreachable instruction fs/ocfs2/sysfile.o: warning: objtool: get_local_system_inode()+0x52: unreachable instruction net/core/devlink.c:1044:3: warning: 'threshold_type' may be used uninitialized in this function [-Wuninitialized] drivers/md/dm-writecache.o: warning: objtool: __writecache_endio_ssd()+0xfb: unreachable instruction drivers/tty/vt/consolemap.c:812:6: warning: 'h' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/stackglue.o: warning: objtool: ocfs2_stack_driver_put()+0x4c: unreachable instruction fs/ocfs2/journal.o: warning: objtool: __ocfs2_journal_access()+0x76: unreachable instruction drivers/scsi/scsi_debug.o: warning: objtool: prot_verify_write()+0x66: unreachable instruction fs/ocfs2/stack_o2cb.o: warning: objtool: o2cb_cluster_connect()+0x4c: unreachable instruction drivers/media/media-entity.o: warning: objtool: media_create_pad_link()+0x64: unreachable instruction fs/ocfs2/reservations.o: warning: objtool: ocfs2_adjust_resv_from_alloc()+0x6e: unreachable instruction include/linux/jhash.h:150:4: warning: 'salt' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/slot_map.o: warning: objtool: ocfs2_map_slot_buffers()+0xa5: unreachable instruction fs/ocfs2/uptodate.o: warning: objtool: ocfs2_remove_metadata_array()+0x4f: unreachable instruction fs/xfs/libxfs/xfs_bmap.c:5095:8: warning: 'error' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/quota_local.c:947:45: warning: 'dchunk' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/suballoc.c:474:2: warning: 'bg_bh' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/namei.o: warning: objtool: ocfs2_rename()+0x462: unreachable instruction fs/ocfs2/suballoc.o: warning: objtool: ocfs2_block_group_search()+0x5f: unreachable instruction fs/ocfs2/refcounttree.o: warning: objtool: ocfs2_refcount_cal_cow_clusters()+0x9c: unreachable instruction fs/xfs/libxfs/xfs_sb.c:877:7: warning: 'error' may be used uninitialized in this function [-Wuninitialized] fs/xfs/xfs_log_recover.c:2363:3: warning: 'uuid' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/xattr.c:3007:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/xattr.o: warning: objtool: ocfs2_xa_fill_value_buf()+0x5a: unreachable instruction fs/ocfs2/super.o: warning: objtool: ocfs2_dismount_volume()+0x1e3: unreachable instruction WARNING: vmlinux.o(.text.unlikely+0x4436): Section mismatch in reference from the function percpu_setup_debug_store() to the function .init.text:cea_map_percpu_pages()
Full Log
# git rev-parse -q --verify 5211da9ca526a5adddee1ccd078e6e33a583ab36^{commit} 5211da9ca526a5adddee1ccd078e6e33a583ab36 already have revision, skipping fetch # git checkout -q -f -B kisskb 5211da9ca526a5adddee1ccd078e6e33a583ab36 # git clean -qxdf # < git log -1 # commit 5211da9ca526a5adddee1ccd078e6e33a583ab36 # Merge: 3918c21eacb06 30bfd93062814 # Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org> # Date: Tue Sep 18 09:31:53 2018 +0200 # # Merge gitolite.kernel.org:/pub/scm/linux/kernel/git/davem/net # # Dave writes: # "Various fixes, all over the place: # # 1) OOB data generation fix in bluetooth, from Matias Karhumaa. # # 2) BPF BTF boundary calculation fix, from Martin KaFai Lau. # # 3) Don't bug on excessive frags, to be compatible in situations mixing # older and newer kernels on each end. From Juergen Gross. # # 4) Scheduling in RCU fix in hv_netvsc, from Stephen Hemminger. # # 5) Zero keying information in TLS layer before freeing copies # of them, from Sabrina Dubroca. # # 6) Fix NULL deref in act_sample, from Davide Caratti. # # 7) Orphan SKB before GRO in veth to prevent crashes with XDP, # from Toshiaki Makita. # # 8) Fix use after free in ip6_xmit, from Eric Dumazet. # # 9) Fix VF mac address regression in bnxt_en, from Micahel Chan. # # 10) Fix MSG_PEEK behavior in TLS layer, from Daniel Borkmann. # # 11) Programming adjustments to r8169 which fix not being to enter deep # sleep states on some machines, from Kai-Heng Feng and Hans de # Goede. # # 12) Fix DST_NOCOUNT flag handling for ipv6 routes, from Peter # Oskolkov." # # * gitolite.kernel.org:/pub/scm/linux/kernel/git/davem/net: (45 commits) # net/ipv6: do not copy dst flags on rt init # qmi_wwan: set DTR for modems in forced USB2 mode # clk: x86: Stop marking clocks as CLK_IS_CRITICAL # r8169: Get and enable optional ether_clk clock # clk: x86: add "ether_clk" alias for Bay Trail / Cherry Trail # r8169: enable ASPM on RTL8106E # r8169: Align ASPM/CLKREQ setting function with vendor driver # Revert "kcm: remove any offset before parsing messages" # kcm: remove any offset before parsing messages # net: ethernet: Fix a unused function warning. # net: dsa: mv88e6xxx: Fix ATU Miss Violation # tls: fix currently broken MSG_PEEK behavior # hv_netvsc: pair VF based on serial number # PCI: hv: support reporting serial number as slot information # bnxt_en: Fix VF mac address regression. # ipv6: fix possible use-after-free in ip6_xmit() # net: hp100: fix always-true check for link up state # ARM: dts: at91: add new compatibility string for macb on sama5d3 # net: macb: disable scatter-gather for macb on sama5d3 # net: mvpp2: let phylink manage the carrier state # ... # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 5211da9ca526a5adddee1ccd078e6e33a583ab36 # < make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- randconfig KCONFIG_SEED=0x9F7B038 # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n # Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n # Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n # yes \n | make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- /kisskb/src/scripts/unifdef.c: In function 'Mpass': /kisskb/src/scripts/unifdef.c:453:28: warning: 'strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation] static void Mpass (void) { strncpy(keyword, "if ", 4); Pelif(); } ^~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x46: unreachable instruction /kisskb/src/arch/x86/events/amd/ibs.c: In function 'perf_ibs_init': /kisskb/src/arch/x86/events/amd/ibs.c:306:11: warning: 'config' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/entry/vsyscall/vsyscall_64.c: In function 'emulate_vsyscall': /kisskb/src/arch/x86/entry/vsyscall/vsyscall_64.c:209:16: warning: 'syscall_nr' may be used uninitialized in this function [-Wuninitialized] mm/mempool.o: warning: objtool: mempool_resize()+0x4c: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x4d: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0xfb: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x3f: unreachable instruction /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:185:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/bind.o: warning: objtool: cachefiles_daemon_bind()+0x7c: unreachable instruction /kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq': /kisskb/src/arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0x122: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: sync_global_pgds_l4()+0x85: unreachable instruction /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1245:9: warning: 'root' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/espfix_64.c: In function 'init_espfix_random': /kisskb/src/arch/x86/kernel/espfix_64.c:118:22: warning: 'rand' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/daemon.o: warning: objtool: cachefiles_daemon_release()+0x68: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x63: unreachable instruction arch/x86/mm/fault.o: warning: objtool: vmalloc_fault()+0x1e1: unreachable instruction fs/crypto/crypto.o: warning: objtool: fscrypt_encrypt_page()+0x58: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x57: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x5b: unreachable instruction /kisskb/src/arch/x86/kernel/hw_breakpoint.c: In function 'hw_breakpoint_arch_parse': /kisskb/src/arch/x86/kernel/hw_breakpoint.c:366:2: warning: 'align' may be used uninitialized in this function [-Wuninitialized] fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x84: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x52: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x57: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x56: unreachable instruction arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x62: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0xde: unreachable instruction /kisskb/src/crypto/async_tx/async_tx.c: In function 'async_trigger_callback': /kisskb/src/crypto/async_tx/async_tx.c:258:18: warning: 'chan' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/key.o: warning: objtool: cachefiles_cook_key()+0x54: unreachable instruction fs/cachefiles/interface.o: warning: objtool: cachefiles_alloc_object()+0xfa: unreachable instruction arch/x86/kernel/ftrace.o: warning: objtool: ftrace_modify_code()+0xb2: unreachable instruction /kisskb/src/ipc/shm.c: In function 'ksys_shmdt': /kisskb/src/ipc/shm.c:1685:3: warning: 'file' may be used uninitialized in this function [-Wuninitialized] mm/filemap.o: warning: objtool: unaccount_page_cache_page()+0x88: unreachable instruction kernel/power/suspend.o: warning: objtool: suspend_enter()+0x1c3: unreachable instruction crypto/async_tx/async_pq.o: warning: objtool: do_sync_gen_syndrome()+0xc5: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0xac: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0xd9: unreachable instruction kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x54: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0x46: unreachable instruction fs/cachefiles/xattr.o: warning: objtool: cachefiles_check_object_type()+0x6b: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0x24c: unreachable instruction /kisskb/src/fs/btrfs/ctree.c: In function 'push_nodes_for_insert': /kisskb/src/fs/btrfs/ctree.c:2113:24: warning: 'pslot' may be used uninitialized in this function [-Wuninitialized] mm/swap.o: warning: objtool: lru_cache_add()+0x6d: unreachable instruction /kisskb/src/ipc/mqueue.c: In function 'do_mq_timedreceive': /kisskb/src/ipc/mqueue.c:1117:3: warning: 'msg_ptr' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ctree.c: In function 'balance_level': /kisskb/src/fs/btrfs/ctree.c:1900:24: warning: 'pslot' may be used uninitialized in this function [-Wuninitialized] mm/page-writeback.o: warning: objtool: write_one_page()+0x74: unreachable instruction fs/debugfs/file.o: warning: objtool: full_proxy_open()+0x154: unreachable instruction fs/cachefiles/rdwr.o: warning: objtool: cachefiles_read_waiter()+0x73: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x63: unreachable instruction /kisskb/src/kernel/time/tick-sched.c: In function 'tick_nohz_idle_exit': /kisskb/src/kernel/time/tick-sched.c:1156:32: warning: 'now' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c: In function 'futex_atomic_op_inuser': /kisskb/src/kernel/futex.c:1604:3: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/vmstat.c: In function 'sysctl_vm_numa_stat_handler': /kisskb/src/mm/vmstat.c:89:2: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] fs/ext4/bitmap.o: warning: objtool: ext4_chksum.isra.1()+0x53: unreachable instruction drivers/block/brd.o: warning: objtool: brd_insert_page()+0x131: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x2bf: unreachable instruction kernel/audit_fsnotify.o: warning: objtool: audit_mark_handle_event()+0x70: unreachable instruction fs/cachefiles/namei.o: warning: objtool: cachefiles_mark_object_active()+0x238: unreachable instruction mm/shmem.o: warning: objtool: shmem_radix_tree_replace()+0x55: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_pushable_task()+0xcc: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.12()+0xc5: unreachable instruction kernel/audit_watch.o: warning: objtool: audit_watch_handle_event()+0x70: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets()+0x11c: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x4c: unreachable instruction mm/debug.o: warning: objtool: __dump_page()+0xa5: unreachable instruction /kisskb/src/fs/f2fs/namei.c: In function 'f2fs_symlink': /kisskb/src/fs/f2fs/namei.c:615:22: warning: 'disk_link.len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/namei.c:629:2: warning: 'disk_link.name' may be used uninitialized in this function [-Wuninitialized] fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x91: unreachable instruction mm/workingset.o: warning: objtool: workingset_eviction()+0x6c: unreachable instruction fs/f2fs/inode.o: warning: objtool: f2fs_chksum()+0x57: unreachable instruction kernel/sched/core.o: warning: objtool: sched_cpu_dying()+0x9d: unreachable instruction mm/pagewalk.o: warning: objtool: walk_page_vma()+0x71: unreachable instruction /kisskb/src/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c: In function 'rdtgroup_pseudo_lock_create': /kisskb/src/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c:1283:21: warning: 'new_minor' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/gfs2/bmap.c: In function 'gfs2_iomap_get': /kisskb/src/fs/gfs2/bmap.c:926:3: warning: 'height' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/gfs2/bmap.c:927:8: warning: 'len' may be used uninitialized in this function [-Wuninitialized] mm/mlock.o: warning: objtool: __putback_lru_fast_prepare()+0x61: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x110: unreachable instruction kernel/workqueue.o: warning: objtool: wq_numa_init()+0xae: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x9b: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x62: unreachable instruction mm/gup.o: warning: objtool: gup_pte_range()+0x234: unreachable instruction mm/page_io.o: warning: objtool: swap_readpage()+0x7d: unreachable instruction fs/fuse/dev.o: warning: objtool: fuse_copy_fill()+0xe6: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x37a: unreachable instruction /kisskb/src/mm/memblock.c: In function '__next_mem_pfn_range': /kisskb/src/mm/memblock.c:1200:15: warning: 'r' may be used uninitialized in this function [-Wuninitialized] mm/vmscan.o: warning: objtool: page_ref_unfreeze()+0x5a: unreachable instruction mm/swap_state.o: warning: objtool: __add_to_swap_cache()+0x65: unreachable instruction /kisskb/src/fs/f2fs/file.c: In function 'f2fs_precache_extents': /kisskb/src/fs/f2fs/file.c:2871:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] block/bio.o: warning: objtool: bio_split()+0x52: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x65: unreachable instruction drivers/block/pktcdvd.o: warning: objtool: pkt_rbtree_find()+0x6c: unreachable instruction fs/fscache/cookie.o: warning: objtool: fscache_hash_cookie()+0x112: unreachable instruction mm/rmap.o: warning: objtool: __page_check_anon_rmap()+0x5b: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x5a: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_indirect_init()+0x79: unreachable instruction mm/page_alloc.o: warning: objtool: move_freepages()+0xb2: unreachable instruction kernel/events/uprobes.o: warning: objtool: __replace_page()+0x110: unreachable instruction mm/compaction.o: warning: objtool: isolate_migratepages_block()+0x4ed: unreachable instruction fs/jbd2/transaction.o: warning: objtool: jbd2_journal_file_inode()+0x170: unreachable instruction fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x58: unreachable instruction /kisskb/src/block/blk-sysfs.c: In function 'queue_wb_lat_store': /kisskb/src/block/blk-sysfs.c:451:2: warning: 'val' may be used uninitialized in this function [-Wuninitialized] fs/f2fs/checkpoint.o: warning: objtool: f2fs_crc32()+0x52: unreachable instruction /kisskb/src/fs/f2fs/data.c: In function 'f2fs_xattr_fiemap': /kisskb/src/fs/f2fs/data.c:1350:7: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/data.c:1350:7: warning: 'len' may be used uninitialized in this function [-Wuninitialized] mm/page_isolation.o: warning: objtool: start_isolate_page_range()+0x56: unreachable instruction mm/vmalloc.o: warning: objtool: alloc_vmap_area()+0x60: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x6a: unreachable instruction /kisskb/src/lib/mpi/mpicoder.c: In function 'mpi_read_raw_from_sgl': /kisskb/src/lib/mpi/mpicoder.c:330:5: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memory.c: In function 'remap_pte_range': /kisskb/src/include/linux/spinlock.h:369:2: warning: 'ptl' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memory.c:1981:14: note: 'ptl' was declared here fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0xa2: unreachable instruction /kisskb/src/mm/ksm.c: In function 'stable_node_dup': /kisskb/src/mm/ksm.c:1395:4: warning: 'found_rmap_hlist_len' may be used uninitialized in this function [-Wuninitialized] fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x5a: unreachable instruction /kisskb/src/mm/swapfile.c: In function 'setup_swap_map_and_extents': /kisskb/src/mm/swapfile.c:3009:6: warning: 'nr_extents' may be used uninitialized in this function [-Wuninitialized] mm/mmap.o: warning: objtool: unmapped_area()+0x310: unreachable instruction /kisskb/src/kernel/trace/trace_events.c: In function 'event_enable_read': /kisskb/src/kernel/trace/trace_events.c:1052:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memory.c: In function 'copy_pte_range': /kisskb/src/include/linux/spinlock.h:369:2: warning: 'dst_ptl' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memory.c:1069:24: note: 'dst_ptl' was declared here /kisskb/src/drivers/block/virtio_blk.c: In function 'virtblk_get_cache_mode': /kisskb/src/drivers/block/virtio_blk.c:531:2: warning: 'writeback' may be used uninitialized in this function [-Wuninitialized] mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x5d: unreachable instruction /kisskb/src/fs/f2fs/node.c: In function '__set_nat_cache_dirty': /kisskb/src/fs/f2fs/node.c:265:17: warning: 'head' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/ksm.c: In function 'stable_tree_insert': /kisskb/src/mm/ksm.c:1893:16: warning: 'stable_node' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/block/virtio_blk.c: In function 'init_vq': /kisskb/src/drivers/block/virtio_blk.c:449:27: warning: 'num_vqs' may be used uninitialized in this function [-Wuninitialized] mm/swapfile.o: warning: objtool: swap_count_continued()+0x86: unreachable instruction /kisskb/src/drivers/block/virtio_blk.c: In function 'virtblk_probe': /kisskb/src/drivers/block/virtio_blk.c:750:31: warning: 'blk_size' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/block/virtio_blk.c:741:29: warning: 'v' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/trace/trace_events.c: In function 'trace_event_eval_update': /kisskb/src/kernel/trace/trace_events.c:2241:4: warning: 'last_i' may be used uninitialized in this function [-Wuninitialized] fs/gfs2/aops.o: warning: objtool: gfs2_invalidatepage()+0x75: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x7a: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x40d: unreachable instruction /kisskb/src/fs/f2fs/node.c: In function '__flush_nat_entry_set': /kisskb/src/fs/f2fs/node.c:2749:11: warning: 'nat_blk' may be used uninitialized in this function [-Wuninitialized] mm/memory.o: warning: objtool: __tlb_remove_page_size()+0x4e: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x70: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x80: unreachable instruction drivers/dma/dw/core.o: warning: objtool: dwc_free_chan_resources()+0x92: unreachable instruction mm/migrate.o: warning: objtool: add_page_for_migration()+0x134: unreachable instruction mm/ksm.o: warning: objtool: stable_node_chain_add_dup()+0x47: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x181: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_chksum.isra.3()+0x53: unreachable instruction fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x5e: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x72: unreachable instruction /kisskb/src/fs/gfs2/rgrp.c: In function 'gfs2_next_unreserved_block': /kisskb/src/fs/gfs2/rgrp.c:1605:17: warning: 'rs' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] /kisskb/src/block/blk-merge.c: In function '__blk_recalc_rq_segments': /kisskb/src/block/blk-merge.c:294:2: warning: 'bbio' may be used uninitialized in this function [-Wuninitialized] fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x5c: unreachable instruction /kisskb/src/block/blk-merge.c: In function 'blk_account_io_merge': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here fs/f2fs/super.o: warning: objtool: f2fs_fill_super()+0x1e3: unreachable instruction mm/slab.o: warning: objtool: kmem_freepages.isra.50()+0xb5: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x4e: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x7a: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x50: unreachable instruction fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x758: unreachable instruction fs/jbd2/commit.o: warning: objtool: release_buffer_page()+0x138: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x65: unreachable instruction fs/jfs/jfs_metapage.o: warning: objtool: metapage_invalidatepage()+0x4f: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0xf0: unreachable instruction fs/ext4/extents_status.o: warning: objtool: ext4_es_find_delayed_extent_range()+0x55: unreachable instruction block/blk-mq-tag.o: warning: objtool: blk_mq_put_tag()+0x69: unreachable instruction fs/fscache/object-list.o: warning: objtool: fscache_objlist_add()+0x6d: unreachable instruction block/blk-core.o: warning: objtool: blk_dequeue_request()+0x51: unreachable instruction fs/gfs2/quota.o: warning: objtool: hlist_bl_add_head_rcu()+0x6d: unreachable instruction fs/f2fs/data.o: warning: objtool: f2fs_migrate_page()+0x69: unreachable instruction fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0xc1: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_free_extlen()+0xd7: unreachable instruction fs/f2fs/node.o: warning: objtool: f2fs_truncate_inode_blocks()+0x350: unreachable instruction fs/jfs/jfs_xtree.o: warning: objtool: xtTruncate()+0xb5: unreachable instruction /kisskb/src/drivers/char/tpm/tpm-sysfs.c: In function 'pubek_show': /kisskb/src/drivers/char/tpm/tpm-sysfs.c:37:16: warning: 'tpm_buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/block/null_blk_main.c: In function 'null_handle_cmd': /kisskb/src/drivers/block/null_blk_main.c:1231:3: warning: 'size' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/block/null_blk_main.c:1231:3: warning: 'sector' may be used uninitialized in this function [-Wuninitialized] fs/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x241: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x5d: unreachable instruction fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0xa4: unreachable instruction drivers/block/null_blk_main.o: warning: objtool: null_init_queue()+0x49: unreachable instruction fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x5f: unreachable instruction fs/jfs/jfs_txnmgr.o: warning: objtool: LogSyncRelease()+0x52: unreachable instruction drivers/hwspinlock/hwspinlock_core.o: warning: objtool: __hwspin_trylock()+0x4c: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0x22e: unreachable instruction /kisskb/src/fs/ext4/extents.c: In function 'ext4_ext_convert_to_initialized': /kisskb/src/fs/ext4/extents.c:3556:21: warning: 'abut_ex' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpio/gpiolib.c: In function 'gpiod_get_from_of_node': /kisskb/src/drivers/gpio/gpiolib.c:3964:21: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/firmware/qemu_fw_cfg.c: In function 'fw_cfg_build_symlink': /kisskb/src/drivers/firmware/qemu_fw_cfg.c:495:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ext4/ialloc.c: In function 'ext4_orphan_get': /kisskb/src/fs/ext4/ialloc.c:1254:9: warning: 'bit' may be used uninitialized in this function [-Wuninitialized] fs/ext4/readpage.o: warning: objtool: ext4_mpage_readpages()+0x538: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x70: unreachable instruction net/9p/trans_virtio.o: warning: objtool: pack_sg_list_p.constprop.8()+0x6c: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x2df: unreachable instruction fs/ocfs2/cluster/quorum.o: warning: objtool: o2quo_clear_hold.constprop.2()+0x4b: unreachable instruction fs/ext4/page-io.o: warning: objtool: ext4_finish_bio()+0xfc: unreachable instruction fs/ext4/ialloc.o: warning: objtool: ext4_chksum.isra.13.constprop.14()+0x4e: unreachable instruction fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x53: unreachable instruction /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_inplace': /kisskb/src/drivers/dma-buf/reservation.c:142:3: warning: 'signaled_idx' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_replace': /kisskb/src/drivers/dma-buf/reservation.c:211:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/collate.o: warning: objtool: ntfs_collate_ntofs_ulong()+0x78: unreachable instruction fs/jbd2/journal.o: warning: objtool: get_slab()+0x4b: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0x1a2: unreachable instruction fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0xf9: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x85: unreachable instruction block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x4b: unreachable instruction /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1833:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_seal_trusted': /kisskb/src/drivers/char/tpm/tpm2-cmd.c:461:20: warning: 'hash' may be used uninitialized in this function [-Wuninitialized] fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x6a: unreachable instruction /kisskb/src/lib/rhashtable.c: In function 'rhashtable_rehash_one': /kisskb/src/lib/rhashtable.c:264:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2511:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_noinc_read': /kisskb/src/drivers/base/regmap/regmap.c:2605:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/attrib.o: warning: objtool: ntfs_attr_find_in_attrdef()+0x4a: unreachable instruction /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_bulk_read': /kisskb/src/drivers/base/regmap/regmap.c:2715:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x70: unreachable instruction block/blk-cgroup.o: warning: objtool: blkcg_print_stat()+0x83: unreachable instruction /kisskb/src/block/bfq-wf2q.c: In function '__bfq_entity_update_weight_prio': /kisskb/src/block/bfq-wf2q.c:809:24: warning: 'root' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/cluster/heartbeat.o: warning: objtool: o2hb_queue_node_event()+0x54: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x28e: unreachable instruction /kisskb/src/fs/ntfs/dir.c: In function 'ntfs_readdir': /kisskb/src/fs/ntfs/dir.c:1430:7: warning: 'bmp_vi' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/md/bcache/alloc.c: In function 'bch_bucket_alloc': /kisskb/src/drivers/md/bcache/alloc.c:437:18: warning: 'r' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/inode.c: In function 'run_delalloc_nocow': /kisskb/src/fs/btrfs/inode.c:1474:7: warning: 'ram_bytes' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/inode.c:1474:7: warning: 'disk_num_bytes' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/inode.c:1472:8: warning: 'extent_offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/assoc_array.c: In function 'assoc_array_insert_into_terminal_node': /kisskb/src/lib/assoc_array.c:645:2: warning: 'j' may be used uninitialized in this function [-Wuninitialized] fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0x18d: unreachable instruction fs/quota/dquot.o: warning: objtool: dqput()+0x91: unreachable instruction drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_build_cmd()+0x2a: unreachable instruction fs/ntfs/index.o: warning: objtool: ntfs_index_lookup()+0x93: unreachable instruction fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0x14d: unreachable instruction fs/ocfs2/dlm/dlmdomain.o: warning: objtool: dlm_ctxt_release()+0x43: unreachable instruction fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x58: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0xf4: unreachable instruction /kisskb/src/drivers/base/regmap/regcache-rbtree.c: In function 'regcache_rbtree_write': /kisskb/src/drivers/base/regmap/regcache-rbtree.c:454:8: warning: 'new_top_reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regcache-rbtree.c:454:8: warning: 'new_base_reg' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x70: unreachable instruction /kisskb/src/net/bridge/br_forward.c: In function 'br_dev_queue_push_xmit': /kisskb/src/include/linux/skbuff.h:2319:22: warning: 'depth' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bridge/br_forward.c:48:7: note: 'depth' was declared here drivers/gpu/drm/ttm/ttm_tt.o: warning: objtool: ttm_tt_swapout()+0x54: unreachable instruction fs/ext4/xattr.o: warning: objtool: ext4_chksum.isra.10()+0x53: unreachable instruction fs/ocfs2/cluster/tcp.o: warning: objtool: o2net_set_nn_state()+0x6e: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x98: unreachable instruction drivers/md/persistent-data/dm-array.o: warning: objtool: populate_ablock_with_values()+0x5f: unreachable instruction /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:341:21: note: 'pdeo' was declared here fs/ext4/namei.o: warning: objtool: dx_insert_block()+0x62: unreachable instruction fs/udf/file.o: warning: objtool: udf_adinicb_writepage()+0x54: unreachable instruction /kisskb/src/block/bfq-iosched.c: In function 'bfq_exit_icq_bfqq': /kisskb/src/block/bfq-iosched.c:4110:2: warning: 'bfqd' may be used uninitialized in this function [-Wuninitialized] lib/genalloc.o: warning: objtool: gen_pool_free()+0x8f: unreachable instruction /kisskb/src/drivers/iio/accel/mma9551_core.c: In function 'mma9551_gpio_config': /kisskb/src/drivers/iio/accel/mma9551_core.c:590:34: warning: 'pol_mask' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/dlmfs/userdlm.o: warning: objtool: user_unlock_ast()+0xec: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x3cc: unreachable instruction fs/ext4/mballoc.o: warning: objtool: mb_find_order_for_block()+0x56: unreachable instruction fs/ntfs/file.o: warning: objtool: ntfs_attr_extend_initialized()+0x6b: unreachable instruction block/cfq-iosched.o: warning: objtool: cfq_del_cfqq_rr()+0xe0: unreachable instruction fs/ocfs2/dlm/dlmthread.o: warning: objtool: dlm_shuffle_lists()+0x54: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0x136: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0xa1: unreachable instruction fs/ntfs/sysctl.o: warning: objtool: ntfs_sysctl()+0x59: unreachable instruction /kisskb/src/drivers/md/persistent-data/dm-space-map-common.c: In function 'sm_ll_find_free_block': /kisskb/src/drivers/md/persistent-data/dm-space-map-common.c:378:41: warning: 'position' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/mft.o: warning: objtool: ntfs_mft_record_format()+0x1a8: unreachable instruction drivers/gpu/drm/ttm/ttm_bo.o: warning: objtool: ttm_bo_release_list()+0x52: unreachable instruction drivers/md/bcache/bset.o: warning: objtool: make_bfloat()+0x10e: unreachable instruction fs/ext4/inode.o: warning: objtool: ext4_block_write_begin()+0x77: unreachable instruction /kisskb/src/drivers/media/cec/cec-api.c: In function 'cec_dqevent.isra.3': /kisskb/src/drivers/media/cec/cec-api.c:318:2: warning: 'ev_idx' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/inode.o: warning: objtool: ntfs_destroy_extent_inode()+0x68: unreachable instruction fs/ocfs2/dlmfs/dlmfs.o: warning: objtool: dlmfs_get_inode()+0xab: unreachable instruction fs/ntfs/runlist.o: warning: objtool: ntfs_are_rl_mergeable()+0x44: unreachable instruction fs/udf/inode.o: warning: objtool: udf_expand_file_adinicb()+0x1f9: unreachable instruction fs/btrfs/inode.o: warning: objtool: run_delalloc_nocow()+0x81c: unreachable instruction /kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery': /kisskb/src/drivers/i2c/i2c-core-base.c:235:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/extent_io.c: In function 'end_bio_extent_readpage': /kisskb/src/fs/btrfs/extent_io.c:2639:32: warning: 'tree' may be used uninitialized in this function [-Wuninitialized] drivers/base/devres.o: warning: objtool: remove_nodes.isra.1()+0x117: unreachable instruction fs/ocfs2/dlm/dlmast.o: warning: objtool: dlm_should_cancel_bast()+0x47: unreachable instruction net/core/sock.o: warning: objtool: sk_alloc_sg()+0x1ff: unreachable instruction /kisskb/src/drivers/media/common/videobuf2/videobuf2-core.c: In function 'vb2_thread': /kisskb/src/drivers/media/common/videobuf2/videobuf2-core.c:2550:3: warning: 'vb' may be used uninitialized in this function [-Wuninitialized] lib/plist.o: warning: objtool: plist_requeue()+0x50: unreachable instruction fs/ocfs2/dlm/dlmconvert.o: warning: objtool: dlm_convert_lock_handler()+0x11c: unreachable instruction /kisskb/src/drivers/nvdimm/dimm_devs.c: In function 'alias_dpa_busy': /kisskb/src/drivers/nvdimm/dimm_devs.c:499:43: warning: 'nd_mapping' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/bitmap.o: warning: objtool: __ntfs_bitmap_set_bits_in_run()+0x57: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0xdd: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x56: unreachable instruction fs/ntfs/lcnalloc.o: warning: objtool: ntfs_cluster_alloc()+0xb0: unreachable instruction fs/ocfs2/dlm/dlmrecovery.o: warning: objtool: dlm_revalidate_lvb()+0x54: unreachable instruction fs/ntfs/logfile.o: warning: objtool: ntfs_check_and_load_restart_page()+0x115: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x93: unreachable instruction /kisskb/src/fs/btrfs/ioctl.c: In function 'btrfs_extent_same': /kisskb/src/fs/btrfs/ioctl.c:3555:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/pinctrl/cirrus/pinctrl-madera-core.c: In function 'madera_mux_set_mux': /kisskb/src/drivers/pinctrl/cirrus/pinctrl-madera-core.c:659:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/pinctrl/cirrus/pinctrl-madera-core.c:660:3: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/super.o: warning: objtool: check_mft_mirror()+0x80: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x388: unreachable instruction fs/ocfs2/dlm/dlmmaster.o: warning: objtool: dlm_pick_migration_target()+0x4b: unreachable instruction /kisskb/src/net/batman-adv/netlink.c: In function 'batadv_netlink_get_mesh_info': /kisskb/src/include/net/netlink.h:525:17: warning: 'msg_head' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/batman-adv/netlink.c:196:8: note: 'msg_head' was declared here /kisskb/src/net/batman-adv/netlink.c: In function 'batadv_netlink_tp_meter_start': /kisskb/src/include/net/netlink.h:525:17: warning: 'msg_head' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/batman-adv/netlink.c:337:8: note: 'msg_head' was declared here fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x75: unreachable instruction /kisskb/src/drivers/nvdimm/region_devs.c: In function 'nd_region_create': /kisskb/src/drivers/nvdimm/region_devs.c:1049:26: warning: 'nd_region' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/extent_io.o: warning: objtool: __set_extent_bit()+0x161: unreachable instruction /kisskb/src/net/bridge/br_netlink.c: In function 'br_process_vlan_info': /kisskb/src/net/bridge/br_netlink.c:589:10: warning: 'err' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/dlm/dlmunlock.o: warning: objtool: dlmunlock_common()+0x91: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x7ff: unreachable instruction drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0xe0: unreachable instruction /kisskb/src/fs/udf/super.c: In function 'udf_load_partdesc': /kisskb/src/fs/udf/super.c:1243:2: warning: 'map' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/dlm/dlmlock.o: warning: objtool: dlm_lock_release()+0x53: unreachable instruction /kisskb/src/fs/btrfs/free-space-cache.c: In function 'btrfs_bitmap_cluster': /kisskb/src/fs/btrfs/free-space-cache.c:2840:5: warning: 'next_zero' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/tree-log.c: In function 'btrfs_log_prealloc_extents': /kisskb/src/fs/btrfs/tree-log.c:4293:9: warning: 'start_slot' may be used uninitialized in this function [-Wuninitialized] fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x6b: unreachable instruction fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x6c: unreachable instruction drivers/media/common/videobuf2/videobuf2-dma-contig.o: warning: objtool: dma_map_sg_attrs()+0x62: unreachable instruction drivers/md/persistent-data/dm-btree-remove.o: warning: objtool: node_copy()+0x5f: unreachable instruction drivers/md/bcache/closure.o: warning: objtool: closure_put_after_sub()+0x47: unreachable instruction /kisskb/src/fs/dcache.c: In function '__d_add': /kisskb/src/fs/dcache.c:2417:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c:2564:11: note: 'n' was declared here /kisskb/src/fs/dcache.c: In function '__d_move': /kisskb/src/fs/dcache.c:2417:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c:2729:11: note: 'n' was declared here fs/reiserfs/file.o: warning: objtool: reiserfs_commit_page()+0x13a: unreachable instruction drivers/md/bcache/btree.o: warning: objtool: do_btree_node_write()+0x8a: unreachable instruction drivers/mfd/wm8994-core.o: warning: objtool: wm8994_device_init.isra.13()+0xd5: unreachable instruction /kisskb/src/drivers/misc/bh1770glc.c: In function 'bh1770_prox_read_result': /kisskb/src/drivers/misc/bh1770glc.c:236:29: warning: 'mode' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/misc/bh1770glc.c:469:5: note: 'mode' was declared here fs/libfs.o: warning: objtool: simple_write_end()+0xc5: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x59: unreachable instruction fs/dcache.o: warning: objtool: hlist_bl_add_head_rcu()+0x6d: unreachable instruction /kisskb/src/drivers/leds/leds-pca955x.c: In function 'pca955x_led_set': /kisskb/src/drivers/leds/leds-pca955x.c:288:22: warning: 'ls' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mfd/madera-core.c: In function 'madera_dev_init': /kisskb/src/drivers/mfd/madera-core.c:557:6: warning: 'mfd_devs' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/leds/leds-max8997.c: In function 'max8997_led_set_mode': /kisskb/src/drivers/leds/leds-max8997.c:91:27: warning: 'val' may be used uninitialized in this function [-Wuninitialized] fs/file.o: warning: objtool: __fd_install()+0x170: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x4b: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x5f: unreachable instruction drivers/md/bcache/extents.o: warning: objtool: bch_extent_insert_fixup()+0x68: unreachable instruction fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock()+0x6b: unreachable instruction fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x251: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_chksum.isra.106()+0x53: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: __btrfs_remove_delayed_item()+0x5b: unreachable instruction fs/mpage.o: warning: objtool: map_buffer_to_page()+0xaa: unreachable instruction fs/direct-io.o: warning: objtool: do_direct_IO()+0x27e: unreachable instruction drivers/md/bcache/journal.o: warning: objtool: bch_journal_replay()+0x9c: unreachable instruction /kisskb/src/net/core/skbuff.c: In function '___pskb_trim': /kisskb/src/net/core/skbuff.c:1764:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvdimm/btt.c: In function 'btt_log_init': /kisskb/src/drivers/nvdimm/btt.c:464:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0x4a: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0x179: unreachable instruction /kisskb/src/drivers/media/rc/rc-main.c: In function 'parse_protocol_change.isra.9': /kisskb/src/drivers/media/rc/rc-main.c:1155:15: warning: 'mask' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/movinggc.o: warning: objtool: closure_call.constprop.9()+0x7c: unreachable instruction drivers/platform/chrome/cros_ec_spi.o: warning: objtool: cros_ec_spi_receive_packet()+0x50: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_setup_recheck_block()+0x1b0: unreachable instruction net/core/skbuff.o: warning: objtool: pskb_expand_head()+0x62: unreachable instruction fs/mbcache.o: warning: objtool: mb_cache_entry_create()+0x1c0: unreachable instruction /kisskb/src/drivers/media/rc/rc-main.c: In function 'store_wakeup_protocols': /kisskb/src/drivers/media/rc/rc-main.c:1518:20: warning: 'protocol' may be used uninitialized in this function [-Wuninitialized] fs/userfaultfd.o: warning: objtool: userfaultfd_ctx_put()+0x6c: unreachable instruction drivers/gpu/drm/virtio/virtgpu_vq.o: warning: objtool: virtio_gpu_get_vbuf.isra.2()+0x8c: unreachable instruction /kisskb/src/drivers/mtd/nand/raw/nand_base.c: In function 'nand_match_ecc_req': /kisskb/src/drivers/mtd/nand/raw/nand_base.c:6277:18: warning: 'best_ecc_bytes' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/nand/raw/nand_base.c:6276:21: warning: 'best_strength' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/nand/raw/nand_base.c:6275:17: warning: 'best_step' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/nand/raw/nand_base.c: In function 'nand_maximize_ecc': /kisskb/src/drivers/mtd/nand/raw/nand_base.c:6347:18: warning: 'best_ecc_bytes' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/nand/raw/nand_base.c:6346:21: warning: 'best_strength' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/backref.o: warning: objtool: add_inline_refs()+0x76: unreachable instruction /kisskb/src/drivers/hid/hid-kye.c: In function 'kye_tablet_enable': /kisskb/src/include/linux/hid.h:1049:34: warning: 'report' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hid/hid-kye.c:592:21: note: 'report' was declared here fs/buffer.o: warning: objtool: cont_expand_zero()+0x15b: unreachable instruction fs/ocfs2/aops.o: warning: objtool: ocfs2_figure_cluster_boundaries()+0xc2: unreachable instruction fs/aio.o: warning: objtool: aio_migratepage()+0x166: unreachable instruction fs/btrfs/relocation.o: warning: objtool: record_reloc_root_in_trans()+0x7f: unreachable instruction /kisskb/src/fs/btrfs/uuid-tree.c: In function 'btrfs_uuid_tree_add': /kisskb/src/fs/btrfs/uuid-tree.c:139:21: warning: 'offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/uuid-tree.c:140:25: warning: 'eb' may be used uninitialized in this function [-Wuninitialized] fs/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x77: unreachable instruction fs/ocfs2/buffer_head_io.o: warning: objtool: ocfs2_write_block()+0x1f6: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c: In function 'drm_atomic_helper_setup_commit': /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c:1929:26: warning: 'new_crtc_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c: In function 'st_lsm6dsx_init_device': /kisskb/src/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c:750:8: warning: 'drdy_int_reg' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/request.o: warning: objtool: cache_lookup_fn()+0x19f: unreachable instruction /kisskb/src/drivers/iio/proximity/srf08.c: In function 'srf08_write_sensitivity': /kisskb/src/drivers/iio/proximity/srf08.c:370:33: warning: 'regval' may be used uninitialized in this function [-Wuninitialized] fs/locks.o: warning: objtool: locks_free_lock()+0x50: unreachable instruction fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.25()+0x7a: unreachable instruction /kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic': /kisskb/src/include/linux/seqlock.h:205:9: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/gen_stats.c:150:15: note: 'seq' was declared here /kisskb/src/drivers/iio/light/isl29018.c: In function 'isl29018_set_integration_time': /kisskb/src/drivers/iio/light/isl29018.c:128:16: warning: 'new_int_time' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x59: unreachable instruction crypto/drbg.o: warning: objtool: drbg_async_seed()+0x88: unreachable instruction /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'serial_unlink_irq_chain': /kisskb/src/drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/da9052-battery.c: In function 'da9052_bat_check_status': /kisskb/src/drivers/power/supply/da9052-battery.c:266:4: warning: 'chg_end_current' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'serial_link_irq_chain': /kisskb/src/drivers/tty/serial/8250/8250_core.c:206:2: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/da9052-battery.c: In function 'da9052_bat_read_capacity': /kisskb/src/drivers/power/supply/da9052-battery.c:325:6: warning: 'level_lower' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/da9052-battery.c:364:6: note: 'level_lower' was declared here /kisskb/src/drivers/power/supply/da9052-battery.c:324:22: warning: 'level_upper' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/da9052-battery.c:363:6: note: 'level_upper' was declared here /kisskb/src/drivers/power/supply/da9052-battery.c:324:59: warning: 'vbat_upper' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/da9052-battery.c:362:6: note: 'vbat_upper' was declared here /kisskb/src/drivers/power/supply/da9052-battery.c:325:37: warning: 'vbat_lower' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/da9052-battery.c:361:6: note: 'vbat_lower' was declared here fs/btrfs/raid56.o: warning: objtool: finish_parity_scrub()+0x99: unreachable instruction /kisskb/src/drivers/iio/light/lm3533-als.c: In function 'show_thresh_either_en': /kisskb/src/drivers/iio/light/lm3533-als.c:424:18: warning: 'enable' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/light/lv0104cs.c: In function 'lv0104cs_set_calibscale': /kisskb/src/drivers/iio/light/lv0104cs.c:313:23: warning: 'index' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/rtc/rtc-ab-b5ze-s3.c: In function '_abb5zes3_rtc_read_timer': /kisskb/src/drivers/rtc/rtc-ab-b5ze-s3.c:354:16: warning: 'timer_secs' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x92: unreachable instruction net/decnet/dn_nsp_out.o: warning: objtool: dn_mk_ack_header()+0x70: unreachable instruction drivers/mtd/nand/raw/nand_base.o: warning: objtool: nand_fill_oob()+0xa3: unreachable instruction drivers/mtd/nand/raw/nand_bbt.o: warning: objtool: verify_bbt_descr()+0x7f: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x97: unreachable instruction In file included from /kisskb/src/drivers/rtc/rtc-da9052.c:21:0: /kisskb/src/include/linux/mfd/da9052/da9052.h: In function 'da9052_group_read': /kisskb/src/include/linux/mfd/da9052/da9052.h:157:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_fintek.c: In function 'probe_setup_port': /kisskb/src/drivers/tty/serial/8250/8250_fintek.c:409:18: warning: 'k' may be used uninitialized in this function [-Wuninitialized] drivers/md/raid5-ppl.o: warning: objtool: ppl_recover_entry()+0x45b: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x2a4: unreachable instruction /kisskb/src/drivers/nvme/target/io-cmd-file.c: In function 'nvmet_file_execute_discard': /kisskb/src/drivers/nvme/target/io-cmd-file.c:261:20: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvme/target/io-cmd-bdev.c: In function 'nvmet_bdev_execute_discard': /kisskb/src/drivers/nvme/target/io-cmd-bdev.c:176:21: warning: 'status' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/super.o: warning: objtool: cache_alloc()+0xd0: unreachable instruction drivers/md/raid5-cache.o: warning: objtool: r5c_flush_stripe()+0x51: unreachable instruction drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_probe()+0x229: unreachable instruction /kisskb/src/drivers/vhost/vhost.c: In function 'vhost_enable_notify': /kisskb/src/drivers/vhost/vhost.c:2363:23: warning: 'avail_idx' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/vhost/vhost.c: In function 'vhost_vq_avail_empty': /kisskb/src/drivers/vhost/vhost.c:2323:32: warning: 'avail_idx' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/vhost/vhost.c: In function 'vhost_notify.isra.19': /kisskb/src/drivers/vhost/vhost.c:2279:40: warning: 'event' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/vhost/vhost.c:2265:10: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/vhost/vhost.c: In function 'vhost_vq_init_access': /kisskb/src/drivers/vhost/vhost.c:1825:36: warning: 'last_used_idx' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/send.o: warning: objtool: read_symlink()+0x13b: unreachable instruction fs/btrfs/check-integrity.o: warning: objtool: btrfsic_block_link_hashtable_lookup()+0x89: unreachable instruction fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x4d: unreachable instruction /kisskb/src/drivers/rtc/rtc-ds1307.c: In function 'ds3231_hwmon_show_temp': /kisskb/src/drivers/rtc/rtc-ds1307.c:1089:16: warning: 'temp' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/xfs/libxfs/xfs_alloc.c: In function 'xfs_alloc_put_freelist': /kisskb/src/fs/xfs/libxfs/xfs_alloc.c:2528:8: warning: 'error' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/alloc.o: warning: objtool: ocfs2_mv_path()+0x4e: unreachable instruction /kisskb/src/drivers/vhost/vhost.c: In function 'vhost_get_vq_desc': /kisskb/src/drivers/vhost/vhost.c:2053:23: warning: 'ring_head' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/vhost/vhost.c:2023:33: warning: 'avail_idx' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/dlmglue.o: warning: objtool: lockres_set_pending()+0x47: unreachable instruction /kisskb/src/drivers/nvme/target/fc.c: In function 'nvmet_fc_ls_create_association': /kisskb/src/drivers/nvme/target/fc.c:1344:20: warning: 'queue' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvme/target/fc.c: In function 'nvmet_fc_ls_create_connection': /kisskb/src/drivers/nvme/target/fc.c:1437:20: warning: 'queue' may be used uninitialized in this function [-Wuninitialized] drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0x14c: unreachable instruction /kisskb/src/net/netlink/af_netlink.c: In function 'netlink_dump': /kisskb/src/net/netlink/af_netlink.c:2229:13: warning: 'alloc_size' may be used uninitialized in this function [-Wuninitialized] drivers/vhost/vhost.o: warning: objtool: set_bit_to_user()+0x7a: unreachable instruction net/core/flow_dissector.o: warning: objtool: skb_flow_dissector_init()+0x73: unreachable instruction net/key/af_key.o: warning: objtool: pfkey_send_new_mapping()+0x1d6: unreachable instruction drivers/md/bcache/util.o: warning: objtool: bch_bio_map()+0x5a: unreachable instruction /kisskb/src/drivers/md/raid5.c: In function 'raid5d': /kisskb/src/drivers/md/raid5.c:6302:7: warning: 'offset' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x9c: unreachable instruction /kisskb/src/drivers/power/supply/bq24190_charger.c: In function 'bq24190_charger_set_charge_type.isra.15': /kisskb/src/drivers/power/supply/bq24190_charger.c:801:27: warning: 'en_term' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/bq24190_charger.c:794:27: warning: 'force_20pct' may be used uninitialized in this function [-Wuninitialized] drivers/md/dm-stripe.o: warning: objtool: stripe_map()+0x7e: unreachable instruction net/netlink/genetlink.o: warning: objtool: genl_validate_assign_mc_groups()+0x195: unreachable instruction fs/ocfs2/dcache.o: warning: objtool: ocfs2_dentry_attach_lock()+0x2e2: unreachable instruction /kisskb/src/drivers/input/touchscreen/hideep.c: In function 'hideep_update_firmware': /kisskb/src/drivers/input/touchscreen/hideep.c:632:2: warning: 'error' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/writeback.o: warning: objtool: read_dirty()+0x54: unreachable instruction drivers/md/raid5.o: warning: objtool: schedule_reconstruction()+0x240: unreachable instruction drivers/scsi/scsi_lib.o: warning: objtool: scsi_init_io()+0x2ab: unreachable instruction drivers/md/dm-table.o: warning: objtool: dm_table_determine_type()+0xb7: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_bufs.c: In function 'drm_legacy_rmmap_locked': /kisskb/src/drivers/gpu/drm/drm_bufs.c:526:4: warning: 'master' may be used uninitialized in this function [-Wuninitialized] net/wimax/id-table.o: warning: objtool: wimax_id_table_add()+0x5c: unreachable instruction net/rfkill/core.o: warning: objtool: rfkill_init_sw_state()+0x49: unreachable instruction net/wimax/op-msg.o: warning: objtool: wimax_msg_send()+0x75: unreachable instruction drivers/md/dm.o: warning: objtool: dm_accept_partial_bio()+0x4e: unreachable instruction /kisskb/src/drivers/md/dm-ioctl.c: In function 'ctl_ioctl': /kisskb/src/drivers/md/dm-ioctl.c:1881:2: warning: 'ioctl_flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/rtc/rtc-rv3029c2.c: In function 'rv3029_hwmon_show_temp': /kisskb/src/drivers/rtc/rtc-rv3029c2.c:701:16: warning: 'temp_mC' may be used uninitialized in this function [-Wuninitialized] drivers/md/dm-kcopyd.o: warning: objtool: dm_kcopyd_client_destroy()+0xcc: unreachable instruction drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_add_parent_port()+0x82: unreachable instruction /kisskb/src/net/core/rtnetlink.c: In function 'do_setvfinfo': /kisskb/src/net/core/rtnetlink.c:2171:30: warning: 'ivvl[len]' may be used uninitialized in this function [-Wuninitialized] net/wimax/op-state-get.o: warning: objtool: wimax_gnl_doit_state_get()+0x61: unreachable instruction net/wimax/op-reset.o: warning: objtool: wimax_reset()+0x68: unreachable instruction net/wimax/op-rfkill.o: warning: objtool: __wimax_rf_toggle_radio()+0x6d: unreachable instruction drivers/md/dm-bufio.o: warning: objtool: __cache_size_refresh()+0x45: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x51: unreachable instruction /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3343:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/virtio_scsi.o: warning: objtool: virtscsi_queuecommand()+0x64: unreachable instruction fs/ocfs2/extent_map.o: warning: objtool: ocfs2_read_virt_blocks()+0x285: unreachable instruction fs/ocfs2/dir.o: warning: objtool: ocfs2_delete_entry_dx()+0xac: unreachable instruction drivers/video/fbdev/core/fb_defio.o: warning: objtool: fb_deferred_io_fault()+0xc8: unreachable instruction net/wimax/stack.o: warning: objtool: wimax_gnl_re_state_change_send()+0x70: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0x1a7: unreachable instruction /kisskb/src/drivers/target/target_core_transport.c: In function 'transport_lun_remove_cmd': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here drivers/tty/serial/fsl_lpuart.o: warning: objtool: lpuart_start_rx_dma()+0x1b1: unreachable instruction drivers/md/dm-region-hash.o: warning: objtool: dm_region_hash_destroy()+0x6e: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'drm_atomic_connector_check': /kisskb/src/drivers/gpu/drm/drm_atomic.c:760:2: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] net/xfrm/xfrm_policy.o: warning: objtool: xfrm_policy_destroy()+0x46: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'prepare_signaling': /kisskb/src/drivers/gpu/drm/drm_atomic.c:2424:14: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] net/unix/garbage.o: warning: objtool: unix_inflight()+0xb4: unreachable instruction /kisskb/src/drivers/mtd/ubi/eba.c: In function 'try_write_vid_and_data': /kisskb/src/drivers/mtd/ubi/eba.c:1001:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/i2c/mt9v111.c: In function 'mt9v111_set_format': /kisskb/src/drivers/media/i2c/mt9v111.c:932:2: warning: 'new_fmt.code' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/inode.o: warning: objtool: ocfs2_clear_inode()+0x24a: unreachable instruction /kisskb/src/drivers/md/dm-zoned-target.c: In function 'dmz_handle_read': /kisskb/src/drivers/md/dm-zoned-target.c:217:8: warning: 'rzone' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/mtdconcat.o: warning: objtool: concat_erase()+0x212: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_edid.c: In function 'add_cea_modes': /kisskb/src/drivers/gpu/drm/drm_edid.c:3750:30: warning: 'hdmi_len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ocfs2/file.c: In function 'ocfs2_setattr': /kisskb/src/fs/ocfs2/file.c:1303:29: warning: 'had_lock' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/scsi/osst.c: In function '__os_scsi_tape_open': /kisskb/src/drivers/scsi/osst.c:4616:2: warning: 'STp' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/scsi_transport_iscsi.o: warning: objtool: iscsi_unregister_transport()+0x42: unreachable instruction /kisskb/src/drivers/md/dm-zoned-metadata.c: In function 'dmz_load_mapping': /kisskb/src/drivers/md/dm-zoned-metadata.c:1310:14: warning: 'dmap' may be used uninitialized in this function [-Wuninitialized] drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x6a: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_edid.c: In function 'add_alternate_cea_modes': /kisskb/src/drivers/gpu/drm/drm_edid.c:3149:3: warning: 'clock2' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/move_extents.o: warning: objtool: ocfs2_move_extent()+0x104: unreachable instruction fs/ocfs2/file.o: warning: objtool: ocfs2_write_zero_page()+0x60: unreachable instruction net/core/dev.o: warning: objtool: gro_pull_from_frag0()+0x63: unreachable instruction /kisskb/src/drivers/media/tuners/max2165.c: In function 'max2165_set_rf': /kisskb/src/drivers/media/tuners/max2165.c:202:11: warning: 'fraction' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/tuners/max2165.c:204:19: warning: 'quotient' may be used uninitialized in this function [-Wuninitialized] net/core/filter.o: warning: objtool: bpf_msg_pull_data()+0x34f: unreachable instruction drivers/md/dm-thin.o: warning: objtool: cmp_cells()+0x4c: unreachable instruction /kisskb/src/drivers/hid/hid-picolcd_debugfs.c: In function 'picolcd_debug_flash_write': /kisskb/src/drivers/hid/hid-picolcd_debugfs.c:312:10: warning: 'err' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0xb8: unreachable instruction fs/ocfs2/sysfile.o: warning: objtool: get_local_system_inode()+0x52: unreachable instruction /kisskb/src/net/core/devlink.c: In function 'devlink_nl_cmd_sb_pool_set_doit': /kisskb/src/net/core/devlink.c:1044:3: warning: 'threshold_type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/devlink.c:1054:33: note: 'threshold_type' was declared here drivers/md/dm-writecache.o: warning: objtool: __writecache_endio_ssd()+0xfb: unreachable instruction /kisskb/src/drivers/tty/vt/consolemap.c: In function 'conv_uni_to_pc': /kisskb/src/drivers/tty/vt/consolemap.c:812:6: warning: 'h' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/stackglue.o: warning: objtool: ocfs2_stack_driver_put()+0x4c: unreachable instruction fs/ocfs2/journal.o: warning: objtool: __ocfs2_journal_access()+0x76: unreachable instruction drivers/scsi/scsi_debug.o: warning: objtool: prot_verify_write()+0x66: unreachable instruction fs/ocfs2/stack_o2cb.o: warning: objtool: o2cb_cluster_connect()+0x4c: unreachable instruction drivers/media/media-entity.o: warning: objtool: media_create_pad_link()+0x64: unreachable instruction fs/ocfs2/reservations.o: warning: objtool: ocfs2_adjust_resv_from_alloc()+0x6e: unreachable instruction /kisskb/src/net/sched/sch_sfb.c: In function 'sfb_enqueue': /kisskb/src/include/linux/jhash.h:150:4: warning: 'salt' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/sched/sch_sfb.c:316:7: note: 'salt' was declared here fs/ocfs2/slot_map.o: warning: objtool: ocfs2_map_slot_buffers()+0xa5: unreachable instruction fs/ocfs2/uptodate.o: warning: objtool: ocfs2_remove_metadata_array()+0x4f: unreachable instruction /kisskb/src/fs/xfs/libxfs/xfs_bmap.c: In function '__xfs_bunmapi': /kisskb/src/fs/xfs/libxfs/xfs_bmap.c:5095:8: warning: 'error' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ocfs2/quota_local.c: In function 'ocfs2_find_free_entry': /kisskb/src/fs/ocfs2/quota_local.c:947:45: warning: 'dchunk' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ocfs2/suballoc.c: In function 'ocfs2_block_group_alloc_contig.isra.19': /kisskb/src/fs/ocfs2/suballoc.c:474:2: warning: 'bg_bh' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/namei.o: warning: objtool: ocfs2_rename()+0x462: unreachable instruction fs/ocfs2/suballoc.o: warning: objtool: ocfs2_block_group_search()+0x5f: unreachable instruction fs/ocfs2/refcounttree.o: warning: objtool: ocfs2_refcount_cal_cow_clusters()+0x9c: unreachable instruction /kisskb/src/fs/xfs/libxfs/xfs_sb.c: In function 'xfs_initialize_perag_data': /kisskb/src/fs/xfs/libxfs/xfs_sb.c:877:7: warning: 'error' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/xfs/xfs_log_recover.c: In function 'xlog_recover_get_buf_lsn.isra.25': /kisskb/src/fs/xfs/xfs_log_recover.c:2363:3: warning: 'uuid' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ocfs2/xattr.c: In function 'ocfs2_xattr_block_set': /kisskb/src/fs/ocfs2/xattr.c:3007:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/xattr.o: warning: objtool: ocfs2_xa_fill_value_buf()+0x5a: unreachable instruction fs/ocfs2/super.o: warning: objtool: ocfs2_dismount_volume()+0x1e3: unreachable instruction WARNING: vmlinux.o(.text.unlikely+0x4436): Section mismatch in reference from the function percpu_setup_debug_store() to the function .init.text:cea_map_percpu_pages() The function percpu_setup_debug_store() references the function __init cea_map_percpu_pages(). This is often because percpu_setup_debug_store lacks a __init annotation or the annotation of cea_map_percpu_pages is wrong. Completed OK # rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64 # Build took: 0:01:37.696896
© Michael Ellerman 2006-2018.