Buildresult: linus-rand/x86_64-randconfig/x86_64-gcc4.6 built on Sep 17 2018, 21:21

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Status:	OK
Date/Time:	Sep 17 2018, 21:21
Duration:	0:02:37.336583
Builder:	ka3
Revision:	Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 (`ad3273d5f1b99d7319a986ab568dcbde2f9e53dd)`
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 (328) 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()+0x15: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0xf: unreachable instruction kernel/printk/printk.c:185:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] arch/x86/mm/fault.o: warning: objtool: vmalloc_fault()+0xf7: unreachable instruction kernel/cgroup/cgroup-v1.c:1256:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x212: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x74: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: sync_global_pgds_l4()+0x53: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x13: unreachable instruction drivers/block/aoe/aoeblk.o: warning: objtool: aoedisk_add_debugfs()+0x46: unreachable instruction kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xac: unreachable instruction crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x30: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x1c: unreachable instruction arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/hw_breakpoint.c:366:18: warning: 'align' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x30: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x25: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets()+0x7f: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x26: unreachable instruction kernel/sched/core.o: warning: objtool: sched_cpu_dying()+0x80: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x115: unreachable instruction kernel/rcu/tree.o: warning: objtool: rcu_init_geometry()+0x69: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x58: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x2e: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x2b: unreachable instruction kernel/time/hrtimer.o: warning: objtool: hrtimers_dead_cpu()+0x25: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0x8d: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x21: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x5e: unreachable instruction drivers/block/aoe/aoedev.o: warning: objtool: minor_free()+0x18: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x17: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_pushable_task()+0x2e: unreachable instruction arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/amd_gart_64.o: warning: objtool: __dma_map_cont()+0x52: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x176: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x1c: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x2b: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x27: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0xe7: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0x4b: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x33: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x1c5: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0x1c: unreachable instruction kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x25: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xc3: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0xdb: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x18: unreachable instruction mm/page_alloc.o: warning: objtool: deferred_init_memmap()+0x89: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0xb4: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x259: unreachable instruction fs/crypto/crypto.o: warning: objtool: fscrypt_encrypt_page()+0x25: unreachable instruction block/blk-core.o: warning: objtool: blk_dequeue_request()+0x1c: unreachable instruction lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] mm/vmscan.o: warning: objtool: __remove_mapping()+0x2b: unreachable instruction mm/shmem.o: warning: objtool: shmem_writepage()+0x1f: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x6a: unreachable instruction drivers/clk/bcm/clk-kona.o: warning: objtool: __sel_commit()+0x25: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x4a: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x27: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x271: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one()+0x87: unreachable instruction fs/btrfs/inode.o: warning: objtool: dio_read_error()+0x29: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x3a: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.5()+0xaa: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0x6b: unreachable instruction lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] fs/btrfs/extent_io.o: warning: objtool: __set_extent_bit()+0xcb: unreachable instruction mm/gup.o: warning: objtool: get_gate_page()+0xc5: unreachable instruction fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x1a3: unreachable instruction fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x3e: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x1d: unreachable instruction drivers/char/agp/intel-gtt.o: warning: objtool: intel_gtt_map_memory()+0x47: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x53d: unreachable instruction lib/rhashtable.c:264:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/delayed-inode.o: warning: objtool: __btrfs_remove_delayed_item()+0x27: unreachable instruction mm/rmap.o: warning: objtool: hugepage_add_anon_rmap()+0x29: unreachable instruction mm/memory.o: warning: objtool: vm_insert_pfn_prot()+0x2d: unreachable instruction mm/mmu_notifier.o: warning: objtool: do_mmu_notifier_register()+0x38: unreachable instruction mm/vmalloc.o: warning: objtool: vb_free()+0x1e: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x3e: unreachable instruction fs/btrfs/relocation.o: warning: objtool: record_reloc_root_in_trans()+0x37: unreachable instruction fs/btrfs/backref.o: warning: objtool: add_missing_keys()+0x35: unreachable instruction drivers/clocksource/clps711x-timer.o: warning: objtool: clps711x_clksrc_init()+0x4e: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x16: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0x36: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_repair_page_from_good_copy()+0x2e: unreachable instruction drivers/clocksource/timer-atlas7.o: warning: objtool: sirfsoc_atlas7_timer_init()+0x1b: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x2c: unreachable instruction lib/oid_registry.o: warning: objtool: sprint_OID()+0xe: unreachable instruction mm/ksm.c:1395:15: warning: 'found_rmap_hlist_len' may be used uninitialized in this function [-Wuninitialized] mm/migrate.o: warning: objtool: buffer_migrate_page()+0x39: unreachable instruction lib/dynamic_debug.o: warning: objtool: __dynamic_pr_debug()+0x31: unreachable instruction mm/swapfile.o: warning: objtool: swap_count_continued()+0x3d: unreachable instruction drivers/block/brd.o: warning: objtool: copy_to_brd()+0x2c: unreachable instruction fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x58: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x19: unreachable instruction mm/khugepaged.o: warning: objtool: collapse_huge_page.isra.41()+0x20b: unreachable instruction mm/zsmalloc.o: warning: objtool: zs_page_migrate()+0x11d: unreachable instruction fs/ext4/bitmap.o: warning: objtool: ext4_chksum.isra.1()+0x14: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0x93: unreachable instruction mm/huge_memory.o: warning: objtool: vmf_insert_pfn_pmd()+0x41: unreachable instruction mm/hugetlb.o: warning: objtool: huge_pte_alloc()+0xc6: unreachable instruction mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x31: unreachable instruction block/mq-deadline.o: warning: objtool: __dd_dispatch_request()+0x88: unreachable instruction fs/btrfs/send.o: warning: objtool: read_symlink()+0xbe: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x25: unreachable instruction mm/slub.o: warning: objtool: early_kmem_cache_node_alloc()+0x1d: unreachable instruction mm/memcontrol.o: warning: objtool: mem_cgroup_reset()+0x68: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x28: unreachable instruction crypto/drbg.o: warning: objtool: drbg_async_seed()+0x57: unreachable instruction block/bfq-iosched.c:4110:11: warning: 'bfqd' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm-sysfs.c:37:16: warning: 'tpm_buf.data' may be used uninitialized in this function [-Wuninitialized] fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x5c: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x22: unreachable instruction fs/fscache/cookie.o: warning: objtool: __fscache_disable_cookie()+0xa8: unreachable instruction fs/gfs2/bmap.c:926:18: warning: 'height' may be used uninitialized in this function [-Wuninitialized] fs/gfs2/bmap.c:921:7: warning: 'len' may be used uninitialized in this function [-Wuninitialized] fs/f2fs/inode.o: warning: objtool: f2fs_chksum()+0x1b: unreachable instruction drivers/block/DAC960.o: warning: objtool: pci_map_sg()+0x2d: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_indirect_init()+0x3d: unreachable instruction fs/fuse/dev.o: warning: objtool: fuse_copy_fill.part.24()+0x49: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x56: unreachable instruction drivers/dma-buf/reservation.c:211:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x7a: unreachable instruction fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x25: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0xb9: unreachable instruction drivers/block/pktcdvd.o: warning: objtool: pkt_rbtree_find()+0x21: unreachable instruction fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x57: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0xdf: unreachable instruction fs/fscache/object-list.o: warning: objtool: fscache_objlist_add()+0x38: unreachable instruction fs/jbd2/transaction.o: warning: objtool: __jbd2_journal_temp_unlink_buffer()+0x1e: unreachable instruction fs/gfs2/aops.o: warning: objtool: gfs2_invalidatepage()+0x45: unreachable instruction drivers/block/sx8.o: warning: objtool: carm_rq_fn()+0xcd: unreachable instruction fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x3a: unreachable instruction drivers/ide/ide-io.o: warning: objtool: start_request()+0x1c: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_chksum.isra.2()+0x14: unreachable instruction fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x2f: unreachable instruction fs/gfs2/quota.o: warning: objtool: gfs2_write_buf_to_page()+0x74: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x35: unreachable instruction fs/f2fs/super.o: warning: objtool: f2fs_fill_super()+0x123: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_chksum.isra.15()+0x14: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x31: unreachable instruction fs/f2fs/checkpoint.o: warning: objtool: f2fs_crc32()+0x16: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_free_extlen()+0x79: unreachable instruction drivers/ide/ide-probe.o: warning: objtool: ide_unregister()+0x19: unreachable instruction fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x23: unreachable instruction fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x2a: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x1f: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x1d: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0x6c: unreachable instruction include/linux/list.h:63:13: warning: 'head' may be used uninitialized in this function [-Wuninitialized] fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x29: unreachable instruction fs/ext4/extents_status.o: warning: objtool: ext4_es_find_delayed_extent_range()+0x21: unreachable instruction fs/f2fs/node.o: warning: objtool: f2fs_truncate_inode_blocks()+0x13b: unreachable instruction fs/notify/inotify/inotify_user.o: warning: objtool: inotify_idr_find_locked()+0x2a: unreachable instruction fs/jbd2/journal.o: warning: objtool: get_slab()+0x13: unreachable instruction drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_build_cmd()+0x25: unreachable instruction drivers/gpu/drm/scheduler/gpu_scheduler.c:689:20: warning: 'guilty_context' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/ttm/ttm_tt.o: warning: objtool: ttm_tt_swapout()+0x23: unreachable instruction fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock.isra.22()+0x2a: unreachable instruction fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0x78: unreachable instruction drivers/ide/ide-disk.o: warning: objtool: ide_do_rw_disk()+0x20: unreachable instruction net/key/af_key.o: warning: objtool: pfkey_send_new_mapping()+0x15b: unreachable instruction net/core/gen_stats.c:161:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] net/core/skbuff.o: warning: objtool: pskb_expand_head()+0x2c: unreachable instruction drivers/gpu/drm/i915/i915_irq.c:3120:10: warning: 'gu_misc_iir' may be used uninitialized in this function [-Wuninitialized] drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0x86: unreachable instruction net/decnet/dn_rules.o: warning: objtool: dn_fib_rules_init()+0x28: unreachable instruction fs/ocfs2/cluster/heartbeat.o: warning: objtool: o2hb_queue_node_event()+0x3a: unreachable instruction fs/ntfs/collate.o: warning: objtool: ntfs_collate_ntofs_ulong()+0xb: unreachable instruction drivers/gpu/drm/ttm/ttm_bo.o: warning: objtool: ttm_bo_release_list()+0x2b: unreachable instruction fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0x4f: unreachable instruction fs/ntfs/attrib.o: warning: objtool: ntfs_attr_find_in_attrdef()+0x12: unreachable instruction drivers/media/common/videobuf2/videobuf2-dma-contig.o: warning: objtool: dma_map_sg_attrs()+0x30: unreachable instruction fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0x81: unreachable instruction fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x43: unreachable instruction fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x18: unreachable instruction drivers/i2c/busses/i2c-stm32.o: warning: objtool: stm32_i2c_prep_dma_xfer()+0x83: unreachable instruction drivers/mfd/wm8994-core.o: warning: objtool: wm8994_device_init.isra.11()+0xbe: unreachable instruction include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/index.o: warning: objtool: ntfs_index_lookup()+0x45: unreachable instruction drivers/nvme/host/pci.o: warning: objtool: dma_map_sg_attrs()+0x30: unreachable instruction fs/ntfs/file.o: warning: objtool: ntfs_attr_extend_initialized()+0x37: unreachable instruction drivers/input/mouse/cyapa.c:717:27: warning: 'error' may be used uninitialized in this function [-Wuninitialized] fs/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x42: unreachable instruction fs/quota/dquot.o: warning: objtool: dqput()+0x64: unreachable instruction fs/ntfs/inode.o: warning: objtool: ntfs_destroy_extent_inode()+0x15: unreachable instruction net/core/flow_dissector.o: warning: objtool: skb_flow_dissector_init()+0x34: unreachable instruction fs/ext4/ialloc.o: warning: objtool: ext4_chksum.isra.22.constprop.24()+0x12: unreachable instruction drivers/gpu/drm/udl/udl_dmabuf.o: warning: objtool: udl_map_dma_buf()+0x1bb: unreachable instruction fs/ocfs2/cluster/quorum.o: warning: objtool: o2quo_hb_up()+0x8d: unreachable instruction fs/ntfs/mft.o: warning: objtool: ntfs_mft_bitmap_extend_allocation_nolock()+0x40f: unreachable instruction drivers/input/mouse/cyapa_gen3.c:927:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.o: warning: objtool: vmw_query_bo_switch_commit()+0x21: unreachable instruction fs/ntfs/bitmap.o: warning: objtool: __ntfs_bitmap_set_bits_in_run()+0x2a: unreachable instruction fs/ntfs/runlist.o: warning: objtool: ntfs_are_rl_mergeable()+0xb: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x2e: unreachable instruction fs/ntfs/lcnalloc.o: warning: objtool: ntfs_cluster_alloc()+0x33: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0x44: unreachable instruction drivers/gpu/drm/virtio/virtgpu_vq.o: warning: objtool: virtio_gpu_get_vbuf.isra.3()+0x42: unreachable instruction fs/ntfs/super.o: warning: objtool: check_mft_mirror()+0x2e: unreachable instruction fs/ntfs/logfile.o: warning: objtool: ntfs_check_and_load_restart_page()+0x64: unreachable instruction drivers/platform/chrome/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x46: unreachable instruction fs/ocfs2/cluster/tcp.o: warning: objtool: o2net_set_nn_state()+0x42: unreachable instruction net/core/dev.c:3343:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x3d: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0x16: unreachable instruction drivers/platform/chrome/cros_ec_spi.o: warning: objtool: cros_ec_spi_receive_packet()+0x1f: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x4f: unreachable instruction net/core/dev.o: warning: objtool: skb_checksum_help()+0x8c: unreachable instruction fs/ocfs2/dlmfs/userdlm.o: warning: objtool: user_unlock_ast()+0xab: unreachable instruction fs/ext4/inode.o: warning: objtool: mpage_release_unused_pages()+0xbe: unreachable instruction fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x3c: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_drv.o: warning: objtool: vmw_master_set()+0x49: unreachable instruction fs/ocfs2/dlmfs/dlmfs.o: warning: objtool: dlmfs_get_inode()+0x93: unreachable instruction net/netlink/genetlink.o: warning: objtool: genl_validate_assign_mc_groups()+0x74: unreachable instruction drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/platform/x86/dell-laptop.c:1980:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/exec.o: warning: objtool: de_thread()+0x16a: unreachable instruction fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x23: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x17: unreachable instruction fs/dcache.o: warning: objtool: d_instantiate_new()+0x19: unreachable instruction drivers/pwm/pwm-atmel-hlcdc.c:78:56: warning: 'clk_period_ns' may be used uninitialized in this function [-Wuninitialized] fs/ext4/mballoc.o: warning: objtool: mb_find_buddy()+0x10: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x21: unreachable instruction fs/ocfs2/alloc.o: warning: objtool: ocfs2_adjust_adjacent_records()+0x26: unreachable instruction fs/ocfs2/aops.o: warning: objtool: ocfs2_populate_write_desc()+0xe7: unreachable instruction net/rfkill/core.o: warning: objtool: rfkill_init_sw_state()+0x18: unreachable instruction drivers/pinctrl/uniphier/pinctrl-uniphier-core.o: warning: objtool: uniphier_pctl_pin_dbg_show()+0x4b: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x49: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x3e: unreachable instruction fs/ocfs2/dcache.o: warning: objtool: ocfs2_dentry_attach_lock()+0xb7: unreachable instruction fs/ocfs2/buffer_head_io.o: warning: objtool: ocfs2_write_block()+0x1f: unreachable instruction fs/ext4/page-io.o: warning: objtool: ext4_release_io_end()+0x18: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x16: unreachable instruction fs/splice.c:1358:22: warning: 'type' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/dlmglue.c:99:30: warning: 'lockdep_keys' defined but not used [-Wunused-variable] fs/ext4/namei.o: warning: objtool: dx_insert_block()+0x2d: unreachable instruction fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x3b: unreachable instruction drivers/media/i2c/smiapp/smiapp-core.o: warning: objtool: smiapp_get_crop_compose()+0x82: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xb1: unreachable instruction drivers/gpu/drm/drm_atomic.c:760:38: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] fs/mpage.o: warning: objtool: __mpage_writepage()+0x96: unreachable instruction fs/direct-io.o: warning: objtool: do_direct_IO()+0x1b7: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0xc2: unreachable instruction fs/ocfs2/extent_map.o: warning: objtool: ocfs2_read_virt_blocks()+0x56: unreachable instruction net/xfrm/xfrm_policy.o: warning: objtool: xfrm_policy_destroy()+0x15: unreachable instruction fs/buffer.o: warning: objtool: cont_expand_zero()+0xef: unreachable instruction fs/ocfs2/dlmglue.o: warning: objtool: ocfs2_build_lock_name()+0x16: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_fifo.o: warning: objtool: vmw_local_fifo_commit()+0x55: unreachable instruction fs/ocfs2/dir.o: warning: objtool: ocfs2_delete_entry_dx()+0x56: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x20f: unreachable instruction fs/ext4/xattr.o: warning: objtool: ext4_chksum.isra.11()+0x14: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x151: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_chksum.isra.35()+0x14: unreachable instruction fs/aio.o: warning: objtool: aio_nr_sub()+0x23: unreachable instruction fs/locks.o: warning: objtool: locks_free_lock()+0x18: unreachable instruction drivers/spi/spidev.c:478:10: warning: 'n_ioc' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0x43: unreachable instruction fs/ocfs2/inode.o: warning: objtool: ocfs2_clear_inode()+0x87: unreachable instruction fs/ocfs2/file.o: warning: objtool: ocfs2_write_zero_page()+0x32: unreachable instruction drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x48: unreachable instruction fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.28()+0x2e: unreachable instruction drivers/mmc/host/sdhci.o: warning: objtool: sdhci_prepare_data()+0x6d: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x5b: unreachable instruction drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_add_parent_port()+0x39: unreachable instruction include/linux/mfd/da9052/da9052.h:157:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/vmwgfx/vmwgfx_overlay.o: warning: objtool: vmw_overlay_update_stream()+0xc4: unreachable instruction fs/ocfs2/journal.o: warning: objtool: __ocfs2_journal_access()+0x3e: unreachable instruction drivers/uwb/i1480/dfu/usb.o: warning: objtool: i1480_usb_read()+0x25: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0xf8: unreachable instruction fs/ocfs2/reservations.o: warning: objtool: ocfs2_resv_insert()+0x35: unreachable instruction drivers/net/ethernet/atheros/atlx/atl1.o: warning: objtool: atl1_tx_map.isra.25()+0x6c: unreachable instruction fs/ocfs2/move_extents.o: warning: objtool: ocfs2_defrag_extent()+0x85: unreachable instruction drivers/video/backlight/adp8860_bl.c:579:10: warning: 'ret_val' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/namei.o: warning: objtool: ocfs2_rename()+0x1b4: unreachable instruction fs/ocfs2/slot_map.o: warning: objtool: ocfs2_map_slot_buffers()+0x8f: unreachable instruction drivers/gpu/drm/i915/intel_runtime_pm.o: warning: objtool: chv_phy_powergate_lanes()+0x4d: unreachable instruction drivers/mmc/host/cavium.o: warning: objtool: dma_map_sg_attrs.constprop.14()+0x3b: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_mob.o: warning: objtool: vmw_mob_pt_setup()+0x2b: unreachable instruction fs/ocfs2/refcounttree.o: warning: objtool: ocfs2_remove_refcount_extent()+0x5c: unreachable instruction fs/ocfs2/sysfile.o: warning: objtool: get_local_system_inode()+0x1e: unreachable instruction fs/ocfs2/uptodate.o: warning: objtool: ocfs2_remove_metadata_array()+0x14: unreachable instruction fs/ocfs2/super.o: warning: objtool: ocfs2_dismount_volume()+0x2b: unreachable instruction fs/ocfs2/suballoc.o: warning: objtool: ocfs2_relink_block_group()+0x4c: unreachable instruction fs/ocfs2/stackglue.o: warning: objtool: ocfs2_stack_driver_put()+0x1e: unreachable instruction include/linux/spinlock.h:384:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] drivers/uwb/est.o: warning: objtool: uwb_est_get_size()+0xa2: unreachable instruction drivers/mtd/mtdconcat.o: warning: objtool: concat_erase()+0x138: unreachable instruction drivers/tty/serial/imx.o: warning: objtool: dma_map_sg_attrs.constprop.23()+0x28: unreachable instruction drivers/mtd/ubi/eba.c:1001:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized] drivers/uwb/lc-dev.o: warning: objtool: uwb_dev_add()+0x1a: unreachable instruction fs/ocfs2/xattr.o: warning: objtool: ocfs2_xattr_bucket_copy_data()+0x26: unreachable instruction drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x39: unreachable instruction drivers/scsi/scsi_lib.o: warning: objtool: scsi_init_io()+0x10a: unreachable instruction drivers/tty/serial/atmel_serial.o: warning: objtool: dma_map_sg_attrs.constprop.39()+0x23: unreachable instruction drivers/target/target_core_user.c:662:29: warning: 'dbi' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x59: unreachable instruction drivers/tty/serial/mxs-auart.o: warning: objtool: dma_map_sg_attrs.constprop.22()+0x36: unreachable instruction drivers/tty/serial/fsl_lpuart.o: warning: objtool: dma_map_sg_attrs.constprop.22()+0x28: unreachable instruction drivers/spi/spi-ep93xx.o: warning: objtool: ep93xx_spi_dma_prepare()+0x26b: unreachable instruction drivers/misc/tifm_core.o: warning: objtool: tifm_map_sg()+0x3c: unreachable instruction drivers/iio/proximity/isl29501.c:253:34: warning: 'msb' may be used uninitialized in this function [-Wuninitialized] drivers/net/usb/smsc75xx.o: warning: objtool: smsc75xx_write_eeprom()+0x24: unreachable instruction drivers/net/wan/hdlc_ppp.o: warning: objtool: ppp_cp_event()+0x60: unreachable instruction drivers/net/ethernet/freescale/fec_ptp.c:340:50: warning: 'corr_period' may be used uninitialized in this function [-Wuninitialized] drivers/net/ethernet/freescale/fec_ptp.c:333:11: warning: 'corr_inc' may be used uninitialized in this function [-Wuninitialized] drivers/net/usb/smsc95xx.o: warning: objtool: smsc95xx_write_eeprom()+0x24: unreachable instruction drivers/media/media-entity.o: warning: objtool: media_create_pad_link()+0x29: unreachable instruction drivers/net/ethernet/freescale/gianfar.o: warning: objtool: gfar_start_xmit()+0x298: unreachable instruction drivers/net/ethernet/chelsio/cxgb4vf/sge.o: warning: objtool: alloc_ring()+0x38: unreachable instruction drivers/gpu/drm/i915/i915_gem_dmabuf.o: warning: objtool: i915_gem_map_dma_buf()+0x114: unreachable instruction drivers/net/ethernet/intel/fm10k/fm10k_netdev.o: warning: objtool: fm10k_xmit_frame()+0x17f: unreachable instruction drivers/usb/wusbcore/dev-sysfs.o: warning: objtool: wusbhc_get_by_usb_dev()+0x46: unreachable instruction drivers/usb/wusbcore/devconnect.o: warning: objtool: wusb_dev_add_ncb()+0x74: unreachable instruction drivers/video/fbdev/omap2/omapfb/dss/dss.o: warning: objtool: dss_select_dsi_clk_source()+0x20: unreachable instruction drivers/net/ethernet/smsc/smsc9420.o: warning: objtool: smsc9420_isr()+0x15: unreachable instruction drivers/net/ethernet/realtek/r8169.c:2025:13: warning: 'cp01' may be used uninitialized in this function [-Wuninitialized] drivers/video/fbdev/cyber2000fb.o: warning: objtool: cyber2000fb_set_par()+0x8d: unreachable instruction drivers/net/ethernet/tehuti/tehuti.o: warning: objtool: __bdx_tx_db_ptr_next()+0x10: unreachable instruction drivers/video/fbdev/omap2/omapfb/dss/dispc.o: warning: objtool: DISPC_CONV_COEF_OFFSET()+0x11: unreachable instruction drivers/net/ethernet/sfc/falcon/falcon.o: warning: objtool: falcon_monitor()+0x2c: unreachable instruction drivers/net/ethernet/sun/niu.o: warning: objtool: niu_start_xmit()+0xd9: unreachable instruction drivers/net/ethernet/intel/e1000e/netdev.o: warning: objtool: e1000_xmit_frame()+0xf9: unreachable instruction drivers/gpu/drm/i915/intel_ddi.o: warning: objtool: intel_ddi_enable_transcoder_func()+0x6d: unreachable instruction drivers/net/ethernet/intel/igbvf/netdev.o: warning: objtool: igbvf_xmit_frame_ring_adv()+0x19e: unreachable instruction drivers/gpu/drm/i915/intel_display.o: warning: objtool: intel_crtc_init()+0x1b0: unreachable instruction Full Log # git rev-parse -q --verify ad3273d5f1b99d7319a986ab568dcbde2f9e53dd^{commit} ad3273d5f1b99d7319a986ab568dcbde2f9e53dd already have revision, skipping fetch # git checkout -q -f -B kisskb ad3273d5f1b99d7319a986ab568dcbde2f9e53dd # git clean -qxdf # < git log -1 # commit ad3273d5f1b99d7319a986ab568dcbde2f9e53dd # Merge: c0747ad363ff cce6c9f7e602 # Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org> # Date: Mon Sep 17 09:13:47 2018 +0200 # # Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 # # Ted writes: # Various ext4 bug fixes; primarily making ext4 more robust against # maliciously crafted file systems, and some DAX fixes. # # * tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: # ext4, dax: set ext4_dax_aops for dax files # ext4, dax: add ext4_bmap to ext4_dax_aops # ext4: don't mark mmp buffer head dirty # ext4: show test_dummy_encryption mount option in /proc/mounts # ext4: close race between direct IO and ext4_break_layouts() # ext4: fix online resizing for bigalloc file systems with a 1k block size # ext4: fix online resize's handling of a too-small final block group # ext4: recalucate superblock checksum after updating free blocks/inodes # ext4: avoid arithemetic overflow that can trigger a BUG # ext4: avoid divide by zero fault when deleting corrupted inline directories # ext4: check to make sure the rename(2)'s destination is not freed # ext4: add nonstring annotations to ext4.h # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 ad3273d5f1b99d7319a986ab568dcbde2f9e53dd # < make -s -j 80 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=0x315937B4 # 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 80 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 80 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()+0x15: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0xf: 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] arch/x86/mm/fault.o: warning: objtool: vmalloc_fault()+0xf7: unreachable instruction /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1256:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x212: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x74: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: sync_global_pgds_l4()+0x53: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x13: unreachable instruction drivers/block/aoe/aoeblk.o: warning: objtool: aoedisk_add_debugfs()+0x46: unreachable instruction kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xac: unreachable instruction crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x30: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x1c: unreachable instruction /kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/hw_breakpoint.c: In function 'hw_breakpoint_arch_parse': /kisskb/src/arch/x86/kernel/hw_breakpoint.c:366:18: warning: 'align' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x30: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x25: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets()+0x7f: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x26: unreachable instruction kernel/sched/core.o: warning: objtool: sched_cpu_dying()+0x80: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x115: unreachable instruction kernel/rcu/tree.o: warning: objtool: rcu_init_geometry()+0x69: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x58: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x2e: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x2b: unreachable instruction kernel/time/hrtimer.o: warning: objtool: hrtimers_dead_cpu()+0x25: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0x8d: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x21: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x5e: unreachable instruction drivers/block/aoe/aoedev.o: warning: objtool: minor_free()+0x18: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x17: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_pushable_task()+0x2e: 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] arch/x86/kernel/amd_gart_64.o: warning: objtool: __dma_map_cont()+0x52: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x176: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x1c: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x2b: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x27: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0xe7: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0x4b: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x33: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x1c5: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0x1c: unreachable instruction kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x25: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xc3: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0xdb: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x18: unreachable instruction mm/page_alloc.o: warning: objtool: deferred_init_memmap()+0x89: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0xb4: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x259: unreachable instruction fs/crypto/crypto.o: warning: objtool: fscrypt_encrypt_page()+0x25: unreachable instruction block/blk-core.o: warning: objtool: blk_dequeue_request()+0x1c: unreachable instruction /kisskb/src/lib/mpi/mpicoder.c: In function 'mpi_read_raw_from_sgl': /kisskb/src/lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] mm/vmscan.o: warning: objtool: __remove_mapping()+0x2b: unreachable instruction mm/shmem.o: warning: objtool: shmem_writepage()+0x1f: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x6a: unreachable instruction drivers/clk/bcm/clk-kona.o: warning: objtool: __sel_commit()+0x25: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x4a: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x27: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x271: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one()+0x87: unreachable instruction fs/btrfs/inode.o: warning: objtool: dio_read_error()+0x29: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x3a: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.5()+0xaa: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0x6b: unreachable instruction /kisskb/src/lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] fs/btrfs/extent_io.o: warning: objtool: __set_extent_bit()+0xcb: unreachable instruction mm/gup.o: warning: objtool: get_gate_page()+0xc5: unreachable instruction fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x1a3: unreachable instruction fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x3e: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x1d: unreachable instruction drivers/char/agp/intel-gtt.o: warning: objtool: intel_gtt_map_memory()+0x47: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x53d: 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] fs/btrfs/delayed-inode.o: warning: objtool: __btrfs_remove_delayed_item()+0x27: unreachable instruction mm/rmap.o: warning: objtool: hugepage_add_anon_rmap()+0x29: unreachable instruction mm/memory.o: warning: objtool: vm_insert_pfn_prot()+0x2d: unreachable instruction mm/mmu_notifier.o: warning: objtool: do_mmu_notifier_register()+0x38: unreachable instruction mm/vmalloc.o: warning: objtool: vb_free()+0x1e: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x3e: unreachable instruction fs/btrfs/relocation.o: warning: objtool: record_reloc_root_in_trans()+0x37: unreachable instruction fs/btrfs/backref.o: warning: objtool: add_missing_keys()+0x35: unreachable instruction drivers/clocksource/clps711x-timer.o: warning: objtool: clps711x_clksrc_init()+0x4e: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x16: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0x36: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_repair_page_from_good_copy()+0x2e: unreachable instruction drivers/clocksource/timer-atlas7.o: warning: objtool: sirfsoc_atlas7_timer_init()+0x1b: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x2c: unreachable instruction lib/oid_registry.o: warning: objtool: sprint_OID()+0xe: unreachable instruction /kisskb/src/mm/ksm.c: In function 'stable_node_dup': /kisskb/src/mm/ksm.c:1395:15: warning: 'found_rmap_hlist_len' may be used uninitialized in this function [-Wuninitialized] mm/migrate.o: warning: objtool: buffer_migrate_page()+0x39: unreachable instruction lib/dynamic_debug.o: warning: objtool: __dynamic_pr_debug()+0x31: unreachable instruction mm/swapfile.o: warning: objtool: swap_count_continued()+0x3d: unreachable instruction drivers/block/brd.o: warning: objtool: copy_to_brd()+0x2c: unreachable instruction fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x58: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x19: unreachable instruction mm/khugepaged.o: warning: objtool: collapse_huge_page.isra.41()+0x20b: unreachable instruction mm/zsmalloc.o: warning: objtool: zs_page_migrate()+0x11d: unreachable instruction fs/ext4/bitmap.o: warning: objtool: ext4_chksum.isra.1()+0x14: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0x93: unreachable instruction mm/huge_memory.o: warning: objtool: vmf_insert_pfn_pmd()+0x41: unreachable instruction mm/hugetlb.o: warning: objtool: huge_pte_alloc()+0xc6: unreachable instruction mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x31: unreachable instruction block/mq-deadline.o: warning: objtool: __dd_dispatch_request()+0x88: unreachable instruction fs/btrfs/send.o: warning: objtool: read_symlink()+0xbe: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x25: unreachable instruction mm/slub.o: warning: objtool: early_kmem_cache_node_alloc()+0x1d: unreachable instruction mm/memcontrol.o: warning: objtool: mem_cgroup_reset()+0x68: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x28: unreachable instruction crypto/drbg.o: warning: objtool: drbg_async_seed()+0x57: unreachable instruction /kisskb/src/block/bfq-iosched.c: In function 'bfq_exit_icq_bfqq': /kisskb/src/block/bfq-iosched.c:4110:11: warning: 'bfqd' may be used uninitialized in this function [-Wuninitialized] /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] fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x5c: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x22: unreachable instruction fs/fscache/cookie.o: warning: objtool: __fscache_disable_cookie()+0xa8: unreachable instruction /kisskb/src/fs/gfs2/bmap.c: In function 'gfs2_iomap_get': /kisskb/src/fs/gfs2/bmap.c:926:18: warning: 'height' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/gfs2/bmap.c:921:7: warning: 'len' may be used uninitialized in this function [-Wuninitialized] fs/f2fs/inode.o: warning: objtool: f2fs_chksum()+0x1b: unreachable instruction drivers/block/DAC960.o: warning: objtool: pci_map_sg()+0x2d: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_indirect_init()+0x3d: unreachable instruction fs/fuse/dev.o: warning: objtool: fuse_copy_fill.part.24()+0x49: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x56: unreachable instruction /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/fscache/object.o: warning: objtool: fscache_look_up_object()+0x7a: unreachable instruction fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x25: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0xb9: unreachable instruction drivers/block/pktcdvd.o: warning: objtool: pkt_rbtree_find()+0x21: unreachable instruction fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x57: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0xdf: unreachable instruction fs/fscache/object-list.o: warning: objtool: fscache_objlist_add()+0x38: unreachable instruction fs/jbd2/transaction.o: warning: objtool: __jbd2_journal_temp_unlink_buffer()+0x1e: unreachable instruction fs/gfs2/aops.o: warning: objtool: gfs2_invalidatepage()+0x45: unreachable instruction drivers/block/sx8.o: warning: objtool: carm_rq_fn()+0xcd: unreachable instruction fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x3a: unreachable instruction drivers/ide/ide-io.o: warning: objtool: start_request()+0x1c: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_chksum.isra.2()+0x14: unreachable instruction fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x2f: unreachable instruction fs/gfs2/quota.o: warning: objtool: gfs2_write_buf_to_page()+0x74: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x35: unreachable instruction fs/f2fs/super.o: warning: objtool: f2fs_fill_super()+0x123: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_chksum.isra.15()+0x14: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x31: unreachable instruction fs/f2fs/checkpoint.o: warning: objtool: f2fs_crc32()+0x16: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_free_extlen()+0x79: unreachable instruction drivers/ide/ide-probe.o: warning: objtool: ide_unregister()+0x19: unreachable instruction fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x23: unreachable instruction fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x2a: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x1f: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x1d: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0x6c: unreachable instruction /kisskb/src/fs/f2fs/node.c: In function '__set_nat_cache_dirty': /kisskb/src/include/linux/list.h:63:13: warning: 'head' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/node.c:238:24: note: 'head' was declared here fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x29: unreachable instruction fs/ext4/extents_status.o: warning: objtool: ext4_es_find_delayed_extent_range()+0x21: unreachable instruction fs/f2fs/node.o: warning: objtool: f2fs_truncate_inode_blocks()+0x13b: unreachable instruction fs/notify/inotify/inotify_user.o: warning: objtool: inotify_idr_find_locked()+0x2a: unreachable instruction fs/jbd2/journal.o: warning: objtool: get_slab()+0x13: unreachable instruction drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_build_cmd()+0x25: unreachable instruction /kisskb/src/drivers/gpu/drm/scheduler/gpu_scheduler.c: In function 'drm_sched_job_recovery': /kisskb/src/drivers/gpu/drm/scheduler/gpu_scheduler.c:689:20: warning: 'guilty_context' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/ttm/ttm_tt.o: warning: objtool: ttm_tt_swapout()+0x23: unreachable instruction fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock.isra.22()+0x2a: unreachable instruction fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0x78: unreachable instruction drivers/ide/ide-disk.o: warning: objtool: ide_do_rw_disk()+0x20: unreachable instruction net/key/af_key.o: warning: objtool: pfkey_send_new_mapping()+0x15b: unreachable instruction /kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic': /kisskb/src/net/core/gen_stats.c:161:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] net/core/skbuff.o: warning: objtool: pskb_expand_head()+0x2c: unreachable instruction /kisskb/src/drivers/gpu/drm/i915/i915_irq.c: In function 'gen11_irq_handler': /kisskb/src/drivers/gpu/drm/i915/i915_irq.c:3120:10: warning: 'gu_misc_iir' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/i915/i915_irq.c:3131:6: note: 'gu_misc_iir' was declared here drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0x86: unreachable instruction net/decnet/dn_rules.o: warning: objtool: dn_fib_rules_init()+0x28: unreachable instruction fs/ocfs2/cluster/heartbeat.o: warning: objtool: o2hb_queue_node_event()+0x3a: unreachable instruction fs/ntfs/collate.o: warning: objtool: ntfs_collate_ntofs_ulong()+0xb: unreachable instruction drivers/gpu/drm/ttm/ttm_bo.o: warning: objtool: ttm_bo_release_list()+0x2b: unreachable instruction fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0x4f: unreachable instruction fs/ntfs/attrib.o: warning: objtool: ntfs_attr_find_in_attrdef()+0x12: unreachable instruction drivers/media/common/videobuf2/videobuf2-dma-contig.o: warning: objtool: dma_map_sg_attrs()+0x30: unreachable instruction fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0x81: unreachable instruction fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x43: unreachable instruction fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x18: unreachable instruction drivers/i2c/busses/i2c-stm32.o: warning: objtool: stm32_i2c_prep_dma_xfer()+0x83: unreachable instruction drivers/mfd/wm8994-core.o: warning: objtool: wm8994_device_init.isra.11()+0xbe: 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/ntfs/index.o: warning: objtool: ntfs_index_lookup()+0x45: unreachable instruction drivers/nvme/host/pci.o: warning: objtool: dma_map_sg_attrs()+0x30: unreachable instruction fs/ntfs/file.o: warning: objtool: ntfs_attr_extend_initialized()+0x37: unreachable instruction /kisskb/src/drivers/input/mouse/cyapa.c: In function 'cyapa_irq': /kisskb/src/drivers/input/mouse/cyapa.c:717:27: warning: 'error' may be used uninitialized in this function [-Wuninitialized] fs/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x42: unreachable instruction fs/quota/dquot.o: warning: objtool: dqput()+0x64: unreachable instruction fs/ntfs/inode.o: warning: objtool: ntfs_destroy_extent_inode()+0x15: unreachable instruction net/core/flow_dissector.o: warning: objtool: skb_flow_dissector_init()+0x34: unreachable instruction fs/ext4/ialloc.o: warning: objtool: ext4_chksum.isra.22.constprop.24()+0x12: unreachable instruction drivers/gpu/drm/udl/udl_dmabuf.o: warning: objtool: udl_map_dma_buf()+0x1bb: unreachable instruction fs/ocfs2/cluster/quorum.o: warning: objtool: o2quo_hb_up()+0x8d: unreachable instruction fs/ntfs/mft.o: warning: objtool: ntfs_mft_bitmap_extend_allocation_nolock()+0x40f: unreachable instruction /kisskb/src/drivers/input/mouse/cyapa_gen3.c: In function 'cyapa_gen3_set_power_mode': /kisskb/src/drivers/input/mouse/cyapa_gen3.c:927:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.o: warning: objtool: vmw_query_bo_switch_commit()+0x21: unreachable instruction fs/ntfs/bitmap.o: warning: objtool: __ntfs_bitmap_set_bits_in_run()+0x2a: unreachable instruction fs/ntfs/runlist.o: warning: objtool: ntfs_are_rl_mergeable()+0xb: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x2e: unreachable instruction fs/ntfs/lcnalloc.o: warning: objtool: ntfs_cluster_alloc()+0x33: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0x44: unreachable instruction drivers/gpu/drm/virtio/virtgpu_vq.o: warning: objtool: virtio_gpu_get_vbuf.isra.3()+0x42: unreachable instruction fs/ntfs/super.o: warning: objtool: check_mft_mirror()+0x2e: unreachable instruction fs/ntfs/logfile.o: warning: objtool: ntfs_check_and_load_restart_page()+0x64: unreachable instruction drivers/platform/chrome/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x46: unreachable instruction fs/ocfs2/cluster/tcp.o: warning: objtool: o2net_set_nn_state()+0x42: 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] fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x3d: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0x16: unreachable instruction drivers/platform/chrome/cros_ec_spi.o: warning: objtool: cros_ec_spi_receive_packet()+0x1f: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x4f: unreachable instruction net/core/dev.o: warning: objtool: skb_checksum_help()+0x8c: unreachable instruction fs/ocfs2/dlmfs/userdlm.o: warning: objtool: user_unlock_ast()+0xab: unreachable instruction fs/ext4/inode.o: warning: objtool: mpage_release_unused_pages()+0xbe: unreachable instruction fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x3c: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_drv.o: warning: objtool: vmw_master_set()+0x49: unreachable instruction fs/ocfs2/dlmfs/dlmfs.o: warning: objtool: dlmfs_get_inode()+0x93: unreachable instruction net/netlink/genetlink.o: warning: objtool: genl_validate_assign_mc_groups()+0x74: unreachable instruction /kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery': /kisskb/src/drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/platform/x86/dell-laptop.c: In function 'kbd_led_level_get': /kisskb/src/drivers/platform/x86/dell-laptop.c:1980:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/exec.o: warning: objtool: de_thread()+0x16a: unreachable instruction fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x23: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x17: unreachable instruction fs/dcache.o: warning: objtool: d_instantiate_new()+0x19: unreachable instruction /kisskb/src/drivers/pwm/pwm-atmel-hlcdc.c: In function 'atmel_hlcdc_pwm_apply': /kisskb/src/drivers/pwm/pwm-atmel-hlcdc.c:78:56: warning: 'clk_period_ns' may be used uninitialized in this function [-Wuninitialized] fs/ext4/mballoc.o: warning: objtool: mb_find_buddy()+0x10: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x21: unreachable instruction fs/ocfs2/alloc.o: warning: objtool: ocfs2_adjust_adjacent_records()+0x26: unreachable instruction fs/ocfs2/aops.o: warning: objtool: ocfs2_populate_write_desc()+0xe7: unreachable instruction net/rfkill/core.o: warning: objtool: rfkill_init_sw_state()+0x18: unreachable instruction drivers/pinctrl/uniphier/pinctrl-uniphier-core.o: warning: objtool: uniphier_pctl_pin_dbg_show()+0x4b: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x49: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x3e: unreachable instruction fs/ocfs2/dcache.o: warning: objtool: ocfs2_dentry_attach_lock()+0xb7: unreachable instruction fs/ocfs2/buffer_head_io.o: warning: objtool: ocfs2_write_block()+0x1f: unreachable instruction fs/ext4/page-io.o: warning: objtool: ext4_release_io_end()+0x18: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x16: unreachable instruction /kisskb/src/fs/splice.c: In function '__do_sys_vmsplice': /kisskb/src/fs/splice.c:1358:22: warning: 'type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ocfs2/dlmglue.c:99:30: warning: 'lockdep_keys' defined but not used [-Wunused-variable] fs/ext4/namei.o: warning: objtool: dx_insert_block()+0x2d: unreachable instruction fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x3b: unreachable instruction drivers/media/i2c/smiapp/smiapp-core.o: warning: objtool: smiapp_get_crop_compose()+0x82: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xb1: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'drm_atomic_connector_check': /kisskb/src/drivers/gpu/drm/drm_atomic.c:760:38: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] fs/mpage.o: warning: objtool: __mpage_writepage()+0x96: unreachable instruction fs/direct-io.o: warning: objtool: do_direct_IO()+0x1b7: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0xc2: unreachable instruction fs/ocfs2/extent_map.o: warning: objtool: ocfs2_read_virt_blocks()+0x56: unreachable instruction net/xfrm/xfrm_policy.o: warning: objtool: xfrm_policy_destroy()+0x15: unreachable instruction fs/buffer.o: warning: objtool: cont_expand_zero()+0xef: unreachable instruction fs/ocfs2/dlmglue.o: warning: objtool: ocfs2_build_lock_name()+0x16: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_fifo.o: warning: objtool: vmw_local_fifo_commit()+0x55: unreachable instruction fs/ocfs2/dir.o: warning: objtool: ocfs2_delete_entry_dx()+0x56: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x20f: unreachable instruction fs/ext4/xattr.o: warning: objtool: ext4_chksum.isra.11()+0x14: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x151: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_chksum.isra.35()+0x14: unreachable instruction fs/aio.o: warning: objtool: aio_nr_sub()+0x23: unreachable instruction fs/locks.o: warning: objtool: locks_free_lock()+0x18: unreachable instruction /kisskb/src/drivers/spi/spidev.c: In function 'spidev_ioctl': /kisskb/src/drivers/spi/spidev.c:478:10: warning: 'n_ioc' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0x43: unreachable instruction fs/ocfs2/inode.o: warning: objtool: ocfs2_clear_inode()+0x87: unreachable instruction fs/ocfs2/file.o: warning: objtool: ocfs2_write_zero_page()+0x32: unreachable instruction drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x48: unreachable instruction fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.28()+0x2e: unreachable instruction drivers/mmc/host/sdhci.o: warning: objtool: sdhci_prepare_data()+0x6d: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x5b: unreachable instruction drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_add_parent_port()+0x39: 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] drivers/gpu/drm/vmwgfx/vmwgfx_overlay.o: warning: objtool: vmw_overlay_update_stream()+0xc4: unreachable instruction fs/ocfs2/journal.o: warning: objtool: __ocfs2_journal_access()+0x3e: unreachable instruction drivers/uwb/i1480/dfu/usb.o: warning: objtool: i1480_usb_read()+0x25: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0xf8: unreachable instruction fs/ocfs2/reservations.o: warning: objtool: ocfs2_resv_insert()+0x35: unreachable instruction drivers/net/ethernet/atheros/atlx/atl1.o: warning: objtool: atl1_tx_map.isra.25()+0x6c: unreachable instruction fs/ocfs2/move_extents.o: warning: objtool: ocfs2_defrag_extent()+0x85: unreachable instruction /kisskb/src/drivers/video/backlight/adp8860_bl.c: In function 'adp8860_bl_ambient_light_level_show': /kisskb/src/drivers/video/backlight/adp8860_bl.c:579:10: warning: 'ret_val' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/namei.o: warning: objtool: ocfs2_rename()+0x1b4: unreachable instruction fs/ocfs2/slot_map.o: warning: objtool: ocfs2_map_slot_buffers()+0x8f: unreachable instruction drivers/gpu/drm/i915/intel_runtime_pm.o: warning: objtool: chv_phy_powergate_lanes()+0x4d: unreachable instruction drivers/mmc/host/cavium.o: warning: objtool: dma_map_sg_attrs.constprop.14()+0x3b: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_mob.o: warning: objtool: vmw_mob_pt_setup()+0x2b: unreachable instruction fs/ocfs2/refcounttree.o: warning: objtool: ocfs2_remove_refcount_extent()+0x5c: unreachable instruction fs/ocfs2/sysfile.o: warning: objtool: get_local_system_inode()+0x1e: unreachable instruction fs/ocfs2/uptodate.o: warning: objtool: ocfs2_remove_metadata_array()+0x14: unreachable instruction fs/ocfs2/super.o: warning: objtool: ocfs2_dismount_volume()+0x2b: unreachable instruction fs/ocfs2/suballoc.o: warning: objtool: ocfs2_relink_block_group()+0x4c: unreachable instruction fs/ocfs2/stackglue.o: warning: objtool: ocfs2_stack_driver_put()+0x1e: unreachable instruction /kisskb/src/drivers/tty/serial/serial_core.c: In function 'uart_write': /kisskb/src/include/linux/spinlock.h:384:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/serial_core.c:567:16: note: 'flags' was declared here drivers/uwb/est.o: warning: objtool: uwb_est_get_size()+0xa2: unreachable instruction drivers/mtd/mtdconcat.o: warning: objtool: concat_erase()+0x138: unreachable instruction drivers/tty/serial/imx.o: warning: objtool: dma_map_sg_attrs.constprop.23()+0x28: 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] drivers/uwb/lc-dev.o: warning: objtool: uwb_dev_add()+0x1a: unreachable instruction fs/ocfs2/xattr.o: warning: objtool: ocfs2_xattr_bucket_copy_data()+0x26: unreachable instruction drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x39: unreachable instruction drivers/scsi/scsi_lib.o: warning: objtool: scsi_init_io()+0x10a: unreachable instruction drivers/tty/serial/atmel_serial.o: warning: objtool: dma_map_sg_attrs.constprop.39()+0x23: unreachable instruction /kisskb/src/drivers/target/target_core_user.c: In function 'scatter_data_area': /kisskb/src/drivers/target/target_core_user.c:662:29: warning: 'dbi' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/target/target_core_user.c:676:9: note: 'dbi' was declared here drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x59: unreachable instruction drivers/tty/serial/mxs-auart.o: warning: objtool: dma_map_sg_attrs.constprop.22()+0x36: unreachable instruction drivers/tty/serial/fsl_lpuart.o: warning: objtool: dma_map_sg_attrs.constprop.22()+0x28: unreachable instruction drivers/spi/spi-ep93xx.o: warning: objtool: ep93xx_spi_dma_prepare()+0x26b: unreachable instruction drivers/misc/tifm_core.o: warning: objtool: tifm_map_sg()+0x3c: unreachable instruction /kisskb/src/drivers/iio/proximity/isl29501.c: In function 'isl29501_register_write': /kisskb/src/drivers/iio/proximity/isl29501.c:253:34: warning: 'msb' may be used uninitialized in this function [-Wuninitialized] drivers/net/usb/smsc75xx.o: warning: objtool: smsc75xx_write_eeprom()+0x24: unreachable instruction drivers/net/wan/hdlc_ppp.o: warning: objtool: ppp_cp_event()+0x60: unreachable instruction /kisskb/src/drivers/net/ethernet/freescale/fec_ptp.c: In function 'fec_ptp_adjfreq': /kisskb/src/drivers/net/ethernet/freescale/fec_ptp.c:340:50: warning: 'corr_period' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/freescale/fec_ptp.c:333:11: warning: 'corr_inc' may be used uninitialized in this function [-Wuninitialized] drivers/net/usb/smsc95xx.o: warning: objtool: smsc95xx_write_eeprom()+0x24: unreachable instruction drivers/media/media-entity.o: warning: objtool: media_create_pad_link()+0x29: unreachable instruction drivers/net/ethernet/freescale/gianfar.o: warning: objtool: gfar_start_xmit()+0x298: unreachable instruction drivers/net/ethernet/chelsio/cxgb4vf/sge.o: warning: objtool: alloc_ring()+0x38: unreachable instruction drivers/gpu/drm/i915/i915_gem_dmabuf.o: warning: objtool: i915_gem_map_dma_buf()+0x114: unreachable instruction drivers/net/ethernet/intel/fm10k/fm10k_netdev.o: warning: objtool: fm10k_xmit_frame()+0x17f: unreachable instruction drivers/usb/wusbcore/dev-sysfs.o: warning: objtool: wusbhc_get_by_usb_dev()+0x46: unreachable instruction drivers/usb/wusbcore/devconnect.o: warning: objtool: wusb_dev_add_ncb()+0x74: unreachable instruction drivers/video/fbdev/omap2/omapfb/dss/dss.o: warning: objtool: dss_select_dsi_clk_source()+0x20: unreachable instruction drivers/net/ethernet/smsc/smsc9420.o: warning: objtool: smsc9420_isr()+0x15: unreachable instruction /kisskb/src/drivers/net/ethernet/realtek/r8169.c: In function 'rtl_set_coalesce': /kisskb/src/drivers/net/ethernet/realtek/r8169.c:2025:13: warning: 'cp01' may be used uninitialized in this function [-Wuninitialized] drivers/video/fbdev/cyber2000fb.o: warning: objtool: cyber2000fb_set_par()+0x8d: unreachable instruction drivers/net/ethernet/tehuti/tehuti.o: warning: objtool: __bdx_tx_db_ptr_next()+0x10: unreachable instruction drivers/video/fbdev/omap2/omapfb/dss/dispc.o: warning: objtool: DISPC_CONV_COEF_OFFSET()+0x11: unreachable instruction drivers/net/ethernet/sfc/falcon/falcon.o: warning: objtool: falcon_monitor()+0x2c: unreachable instruction drivers/net/ethernet/sun/niu.o: warning: objtool: niu_start_xmit()+0xd9: unreachable instruction drivers/net/ethernet/intel/e1000e/netdev.o: warning: objtool: e1000_xmit_frame()+0xf9: unreachable instruction drivers/gpu/drm/i915/intel_ddi.o: warning: objtool: intel_ddi_enable_transcoder_func()+0x6d: unreachable instruction drivers/net/ethernet/intel/igbvf/netdev.o: warning: objtool: igbvf_xmit_frame_ring_adv()+0x19e: unreachable instruction drivers/gpu/drm/i915/intel_display.o: warning: objtool: intel_crtc_init()+0x1b0: unreachable instruction Completed OK # rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64 # Build took: 0:02:37.336583

© Michael Ellerman 2006-2018.