Buildresult: linux-next-rand/x86_64-randconfig/x86_64-gcc4.6 built on Jul 23 2018, 21:41

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Status:	OK
Date/Time:	Jul 23 2018, 21:41
Duration:	0:01:29.900567
Builder:	ka4
Revision:	Add linux-next specific files for 20180723 (`6d93abaf4c5b2078e63aefb23792887357817498)`
Target:	linux-next-rand/x86_64-randconfig/x86_64-gcc4.6
Branch:	linux-next-rand
Compiler:	x86_64-gcc4.6 (x86_64-linux-gcc (GCC) 4.6.3)
Config:	randconfig (download)
Log:	Download original Possible warnings (317) kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x37: unreachable instruction kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] kernel/trace/ring_buffer_benchmark.o: warning: objtool: read_page()+0x85: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: __init_extra_mapping()+0xb3: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x48: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x48: unreachable instruction kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xd6: unreachable instruction fs/affs/file.o: warning: objtool: affs_get_extblock_slow()+0x67: unreachable instruction kernel/power/suspend.o: warning: objtool: suspend_enter()+0x135: unreachable instruction kernel/sched/core.o: warning: objtool: sched_cpu_dying()+0x6d: unreachable instruction arch/x86/kernel/apic/io_apic.c:1033:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x4f: unreachable instruction kernel/trace/trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x80: unreachable instruction mm/page_alloc.o: warning: objtool: deferred_init_memmap()+0xa4: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x54: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0xb2: unreachable instruction mm/shmem.o: warning: objtool: shmem_writepage()+0x41: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_pushable_task()+0x5d: unreachable instruction fs/cachefiles/bind.o: warning: objtool: cachefiles_daemon_bind()+0xca: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x56: unreachable instruction fs/cachefiles/daemon.o: warning: objtool: cachefiles_daemon_release()+0x87: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x31: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x4d: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x6c: unreachable instruction fs/cachefiles/interface.o: warning: objtool: cachefiles_put_object()+0x56: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x43: unreachable instruction fs/cachefiles/key.o: warning: objtool: cachefiles_cook_key()+0x77: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.13()+0xa3: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x43: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0xc2: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x43: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x8c: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x4c: unreachable instruction mm/gup.o: warning: objtool: get_gate_page()+0xd6: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x197: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x259: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x3f: unreachable instruction fs/cachefiles/namei.o: warning: objtool: cachefiles_mark_object_active()+0x112: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x3e: unreachable instruction mm/memory.o: warning: objtool: vm_insert_pfn_prot()+0x4a: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x82: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x3d: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x56: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x5c: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x5c: unreachable instruction mm/vmalloc.o: warning: objtool: vb_free()+0x40: unreachable instruction fs/cachefiles/rdwr.o: warning: objtool: cachefiles_read_waiter()+0x76: unreachable instruction kernel/trace/trace_syscalls.o: warning: objtool: syscall_get_arguments.constprop.20()+0x69: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x154: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0x118: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0x71: unreachable instruction mm/swap_state.c:135:6: warning: 'error' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/xattr.o: warning: objtool: cachefiles_check_object_type()+0x5c: unreachable instruction drivers/acpi/apei/erst.o: warning: objtool: erst_get_record_id_next()+0x4d: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x1f6: unreachable instruction block/blk-core.o: warning: objtool: blk_dequeue_request()+0x42: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x206: unreachable instruction fs/ext4/bitmap.o: warning: objtool: ext4_chksum.isra.1()+0x44: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0x142: unreachable instruction mm/swapfile.o: warning: objtool: swap_count_continued()+0x62: unreachable instruction mm/slab.o: warning: objtool: cache_alloc_refill()+0x7d: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x2c4: unreachable instruction mm/migrate.o: warning: objtool: buffer_migrate_page()+0x5e: unreachable instruction fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x41: unreachable instruction arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] drivers/ata/libata-core.o: warning: objtool: ata_sg_setup()+0x79: unreachable instruction fs/fscache/cookie.o: warning: objtool: fscache_hash_cookie()+0xbe: unreachable instruction arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x54: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0x37: unreachable instruction mm/khugepaged.o: warning: objtool: collapse_huge_page.isra.60()+0x212: unreachable instruction mm/huge_memory.o: warning: objtool: vmf_insert_pfn_pmd()+0x6f: unreachable instruction kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x46: unreachable instruction fs/btrfs/inode.o: warning: objtool: dio_read_error()+0x53: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x62: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xd2: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x6a: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x3b: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: __set_extent_bit()+0xf1: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0x9c: unreachable instruction fs/freevxfs/vxfs_olt.o: warning: objtool: vxfs_read_olt()+0x51: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x47: unreachable instruction arch/x86/kernel/hw_breakpoint.c:366:18: warning: 'align' may be used uninitialized in this function [-Wuninitialized] fs/fscache/object-list.o: warning: objtool: fscache_objlist_add()+0x5e: unreachable instruction fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x5d: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x52: unreachable instruction drivers/block/brd.o: warning: objtool: copy_to_brd()+0x53: unreachable instruction mm/page_isolation.o: warning: objtool: start_isolate_page_range()+0x47: unreachable instruction fs/ext4/extents_status.o: warning: objtool: ext4_es_find_delayed_extent_range()+0x46: unreachable instruction drivers/acpi/osl.o: warning: objtool: acpi_os_initialize1()+0x98: unreachable instruction fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x5b: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x59: 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/ext4/fsync.o: warning: objtool: ext4_sync_file()+0xa4: unreachable instruction fs/fuse/dev.o: warning: objtool: fuse_copy_fill.part.24()+0x6e: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_indirect_init()+0x6b: unreachable instruction drivers/block/pktcdvd.o: warning: objtool: pkt_rbtree_find()+0x44: unreachable instruction mm/zsmalloc.o: warning: objtool: zs_page_migrate()+0x13c: unreachable instruction drivers/block/skd_main.o: warning: objtool: skd_preop_sg_list()+0xd2: unreachable instruction drivers/block/sx8.o: warning: objtool: carm_rq_fn()+0x10d: unreachable instruction fs/ext4/ialloc.o: warning: objtool: ext4_chksum.isra.28.constprop.30()+0x3f: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0xd4: unreachable instruction fs/hfs/btree.o: warning: objtool: hfs_btree_open()+0xa4: unreachable instruction fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x4b: unreachable instruction fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x86: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x41: unreachable instruction drivers/block/DAC960.o: warning: objtool: pci_map_sg()+0x54: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x6c5: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0xcc: unreachable instruction drivers/block/null_blk.o: warning: objtool: null_init_queue()+0x3a: unreachable instruction mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x4e: unreachable instruction fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x46: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x5b: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x78: unreachable instruction fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x6f: unreachable instruction fs/gfs2/aops.o: warning: objtool: gfs2_invalidatepage()+0x67: unreachable instruction drivers/clk/bcm/clk-kona.o: warning: objtool: __sel_commit()+0x47: unreachable instruction fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x50: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x61: unreachable instruction drivers/char/agp/intel-gtt.o: warning: objtool: intel_gtt_map_memory()+0x79: unreachable instruction fs/gfs2/quota.o: warning: objtool: gfs2_write_buf_to_page()+0xa2: unreachable instruction fs/ext4/inode.o: warning: objtool: mpage_prepare_extent_to_map()+0x1c1: unreachable instruction fs/ext4/mballoc.o: warning: objtool: mb_find_order_for_block()+0x47: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_chksum.isra.9()+0x44: unreachable instruction fs/jbd2/transaction.o: warning: objtool: __jbd2_journal_temp_unlink_buffer()+0x40: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_free_extlen()+0x97: unreachable instruction kernel/audit_watch.o: warning: objtool: audit_watch_handle_event()+0x61: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_chksum.isra.3()+0x44: unreachable instruction fs/ext4/page-io.o: warning: objtool: ext4_release_io_end()+0x39: unreachable instruction fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x4f: unreachable instruction net/bluetooth/af_bluetooth.o: warning: objtool: bt_sock_reclassify_lock()+0x33: unreachable instruction fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x1dd: unreachable instruction kernel/audit_fsnotify.o: warning: objtool: audit_mark_handle_event()+0x61: unreachable instruction include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x4d: unreachable instruction fs/ext4/namei.o: warning: objtool: dx_insert_block()+0x53: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.3()+0xe5: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x3f: unreachable instruction lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] fs/jfs/jfs_xtree.o: warning: objtool: xtTruncate()+0x8c: unreachable instruction kernel/seccomp.o: warning: objtool: seccomp_attach_filter()+0x55: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x70: unreachable instruction drivers/char/tpm/tpm-sysfs.c:37:16: warning: 'tpm_buf.data' may be used uninitialized in this function [-Wuninitialized] fs/notify/inotify/inotify_user.o: warning: objtool: inotify_idr_find_locked()+0x3f: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: __btrfs_remove_delayed_item()+0x4d: unreachable instruction fs/hfsplus/xattr.o: warning: objtool: hfsplus_create_attributes_file()+0x6d: unreachable instruction fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x519: unreachable instruction fs/btrfs/relocation.o: warning: objtool: record_reloc_root_in_trans()+0x5f: unreachable instruction fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x61: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_repair_page_from_good_copy()+0x5c: unreachable instruction fs/jbd2/journal.o: warning: objtool: get_slab()+0x38: unreachable instruction fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0x12c: unreachable instruction block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x3c: unreachable instruction fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x49: unreachable instruction block/mq-deadline.o: warning: objtool: __dd_dispatch_request()+0x9a: unreachable instruction fs/orangefs/orangefs-mod.o: warning: objtool: orangefs_exit()+0x6e: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x28e: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0xa0: unreachable instruction fs/btrfs/backref.o: warning: objtool: add_missing_keys()+0x66: unreachable instruction block/cfq-iosched.o: warning: objtool: cfq_should_idle()+0x61: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x4f: unreachable instruction lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] block/bfq-iosched.c:4084:11: warning: 'bfqd' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x5d: unreachable instruction fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x59: unreachable instruction fs/jfs/jfs_metapage.o: warning: objtool: metapage_invalidatepage()+0x40: unreachable instruction fs/ext4/xattr.o: warning: objtool: ext4_chksum.isra.20()+0x44: unreachable instruction fs/ufs/balloc.o: warning: objtool: ufs_change_blocknr()+0x84: unreachable instruction fs/btrfs/send.o: warning: objtool: read_symlink()+0xea: unreachable instruction fs/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x164: unreachable instruction fs/jfs/jfs_txnmgr.o: warning: objtool: LogSyncRelease()+0x36: unreachable instruction drivers/crypto/ccree/cc_buffer_mgr.o: warning: objtool: dma_map_sg_attrs.constprop.14()+0x4f: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_chksum.isra.123()+0x44: unreachable instruction fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock()+0x5c: unreachable instruction fs/ufs/super.o: warning: objtool: ufs_show_options()+0x66: unreachable instruction drivers/crypto/mediatek/mtk-aes.o: warning: objtool: dma_map_sg_attrs.constprop.22()+0x4f: unreachable instruction fs/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x68: unreachable instruction drivers/crypto/inside-secure/safexcel_cipher.o: warning: objtool: dma_map_sg_attrs.constprop.9()+0x5f: unreachable instruction drivers/crypto/qce/sha.o: warning: objtool: dma_map_sg_attrs.constprop.8()+0x5f: unreachable instruction drivers/crypto/atmel-aes.o: warning: objtool: dma_map_sg_attrs.constprop.23()+0x5f: unreachable instruction drivers/crypto/qce/ablkcipher.o: warning: objtool: dma_map_sg_attrs.constprop.5()+0x5f: unreachable instruction drivers/dma/dw/core.o: warning: objtool: dwc_free_chan_resources()+0xb0: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release.part.13()+0x3c: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x4e: unreachable instruction include/linux/string.h:345:2: warning: 'key' may be used uninitialized in this function [-Wuninitialized] drivers/crypto/atmel-sha.c:1812:2: warning: 'keylen' may be used uninitialized in this function [-Wuninitialized] drivers/crypto/atmel-tdes.o: warning: objtool: dma_map_sg_attrs.constprop.21()+0x45: unreachable instruction drivers/dma-buf/reservation.c:211:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x38: unreachable instruction fs/super.o: warning: objtool: vfs_get_super()+0x2f: unreachable instruction include/linux/seqlock.h:205:9: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] drivers/dma/ioat/dma.o: warning: objtool: __cleanup()+0x1e3: unreachable instruction drivers/crypto/s5p-sss.o: warning: objtool: dma_map_sg_attrs.constprop.26()+0x5f: unreachable instruction drivers/crypto/picoxcell_crypto.o: warning: objtool: dma_map_sg_attrs.constprop.21()+0x5f: unreachable instruction drivers/dma/sh/shdma-base.o: warning: objtool: __ld_cleanup()+0xa2: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x1f7: unreachable instruction net/core/skbuff.o: warning: objtool: __skb_to_sgvec()+0x223: unreachable instruction crypto/drbg.o: warning: objtool: drbg_seed()+0xd6: unreachable instruction drivers/dma/sh/rcar-dmac.c:951:23: warning: 'high_mem_addr' may be used uninitialized in this function [-Wuninitialized] drivers/dma/sh/rcar-dmac.c:950:23: warning: 'high_dev_addr' may be used uninitialized in this function [-Wuninitialized] drivers/dma/sh/rcar-dmac.o: warning: objtool: rcar_dmac_realloc_hwdesc.isra.21()+0x98: unreachable instruction net/core/flow_dissector.o: warning: objtool: skb_flow_dissector_init()+0x65: unreachable instruction drivers/dma/sh/usb-dmac.o: warning: objtool: usb_dmac_isr_transfer_end()+0x41: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x3c: unreachable instruction fs/dcache.o: warning: objtool: hlist_bl_add_head_rcu()+0x49: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x44: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x7c: unreachable instruction fs/splice.c:1384:29: warning: 'type' may be used uninitialized in this function [-Wuninitialized] fs/splice.c:1358:22: warning: 'type' may be used uninitialized in this function [-Wuninitialized] net/netlink/genetlink.o: warning: objtool: genl_validate_assign_mc_groups()+0x118: unreachable instruction net/core/dev.c:3334:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] drivers/dma/mv_xor.o: warning: objtool: mv_xor_prep_dma_xor()+0x73: unreachable instruction drivers/dma/pch_dma.o: warning: objtool: pd_free_chan_resources()+0x4c: unreachable instruction net/wimax/id-table.o: warning: objtool: wimax_id_table_add()+0x4d: unreachable instruction net/rfkill/core.o: warning: objtool: rfkill_init_sw_state()+0x3a: unreachable instruction net/wimax/op-reset.o: warning: objtool: wimax_reset()+0x5e: unreachable instruction net/wimax/op-msg.o: warning: objtool: wimax_msg_send()+0x6b: unreachable instruction net/sched/sch_generic.o: warning: objtool: dev_trans_start()+0x15: unreachable instruction net/core/dev.o: warning: objtool: skb_checksum_help()+0xda: unreachable instruction net/wimax/op-rfkill.o: warning: objtool: __wimax_rf_toggle_radio()+0x60: unreachable instruction drivers/dma/timb_dma.o: warning: objtool: __td_start_next()+0x3e: unreachable instruction net/wimax/op-state-get.o: warning: objtool: wimax_gnl_doit_state_get()+0x52: unreachable instruction net/wimax/stack.o: warning: objtool: wimax_gnl_re_state_change_send()+0x61: unreachable instruction fs/direct-io.o: warning: objtool: do_direct_IO()+0x1e3: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0x116: unreachable instruction fs/mpage.o: warning: objtool: __mpage_writepage()+0xc8: unreachable instruction fs/buffer.o: warning: objtool: cont_expand_zero()+0x110: unreachable instruction drivers/ide/ide-io.o: warning: objtool: start_request()+0x3d: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x57: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x187: unreachable instruction drivers/ide/ide-probe.o: warning: objtool: ide_unregister()+0x3c: unreachable instruction drivers/iommu/io-pgtable-arm-v7s.c:468:2: warning: 'cptep' may be used uninitialized in this function [-Wuninitialized] lib/rhashtable.c:265:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] fs/aio.o: warning: objtool: aio_migratepage()+0xa0: unreachable instruction fs/locks.o: warning: objtool: locks_free_lock()+0x3b: unreachable instruction drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] lib/list_debug.o: warning: objtool: __list_add_valid()+0x50: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x73: unreachable instruction fs/mbcache.o: warning: objtool: mb_cache_entry_create()+0x138: unreachable instruction drivers/lightnvm/pblk-core.o: warning: objtool: pblk_map_invalidate()+0x5c: unreachable instruction net/mac80211/tx.c:2473:27: warning: 'chanctx_conf' may be used uninitialized in this function [-Wuninitialized] lib/genalloc.o: warning: objtool: gen_pool_free()+0x66: unreachable instruction drivers/lightnvm/pblk-read.o: warning: objtool: pblk_read_from_cache()+0x53: unreachable instruction net/mac80211/tx.o: warning: objtool: ieee80211_monitor_start_xmit()+0x47: unreachable instruction lib/syscall.o: warning: objtool: collect_syscall()+0x1d6: unreachable instruction lib/dynamic_debug.o: warning: objtool: __dynamic_pr_debug()+0x59: unreachable instruction net/mac80211/mlme.c:1448:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.31()+0x54: unreachable instruction drivers/ide/ide-tape.o: warning: objtool: idetape_do_request()+0x53: unreachable instruction drivers/media/common/saa7146/saa7146_core.o: warning: objtool: saa7146_pgtable_build_single()+0x3c: unreachable instruction drivers/media/common/saa7146/saa7146_fops.o: warning: objtool: saa7146_buffer_queue()+0x45: unreachable instruction drivers/md/bcache/bset.o: warning: objtool: make_bfloat()+0xfd: unreachable instruction lib/oid_registry.o: warning: objtool: sprint_OID()+0x3b: unreachable instruction drivers/media/common/saa7146/saa7146_hlp.o: warning: objtool: calculate_video_dma_grab_planar()+0x84: unreachable instruction drivers/md/dm.o: warning: objtool: dm_accept_partial_bio()+0x3f: unreachable instruction drivers/input/touchscreen/hideep.c:633:3: warning: 'error' may be used uninitialized in this function [-Wuninitialized] drivers/md/dm-table.o: warning: objtool: dm_table_determine_type()+0x84: unreachable instruction drivers/md/bcache/closure.o: warning: objtool: closure_put_after_sub()+0x38: unreachable instruction drivers/md/bcache/btree.o: warning: objtool: do_btree_node_write()+0x7a: unreachable instruction drivers/mfd/arizona-core.c:1422:6: warning: 'n_subdevs' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/extents.o: warning: objtool: bch_extent_insert_fixup()+0x5a: unreachable instruction drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0xb3: unreachable instruction drivers/md/bcache/journal.o: warning: objtool: bch_journal_replay()+0x87: unreachable instruction drivers/media/pci/saa7134/saa7134-core.o: warning: objtool: saa7134_buffer_next()+0x40: unreachable instruction drivers/media/common/videobuf2/videobuf2-dma-sg.o: warning: objtool: dma_map_sg_attrs()+0x53: unreachable instruction drivers/media/pci/saa7164/saa7164-core.o: warning: objtool: saa7164_irq_ts()+0x2d: unreachable instruction drivers/nvme/host/pci.o: warning: objtool: dma_map_sg_attrs()+0x53: unreachable instruction drivers/md/bcache/request.o: warning: objtool: cache_lookup_fn()+0x136: unreachable instruction lib/idr.o: warning: objtool: ida_simple_get()+0x3e: unreachable instruction drivers/media/pci/saa7164/saa7164-buffer.o: warning: objtool: saa7164_buffer_cfg_port()+0x211: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x37: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0xb9: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x47: unreachable instruction drivers/md/bcache/super.o: warning: objtool: cache_alloc()+0xaa: unreachable instruction drivers/md/bcache/util.o: warning: objtool: bch_bio_map()+0x48: unreachable instruction drivers/misc/ad525x_dpot.o: warning: objtool: dpot_write_spi()+0x89: unreachable instruction drivers/media/pci/ttpci/av7110.o: warning: objtool: dvb_get_stc()+0x4c: unreachable instruction drivers/md/bcache/writeback.o: warning: objtool: read_dirty()+0x47: unreachable instruction drivers/md/dm-stripe.o: warning: objtool: stripe_map()+0x55: unreachable instruction drivers/pinctrl/intel/pinctrl-cherryview.c:1644:29: warning: 'irq_base' may be used uninitialized in this function [-Wuninitialized] drivers/misc/tifm_core.o: warning: objtool: tifm_map_sg()+0x65: unreachable instruction drivers/md/dm-kcopyd.o: warning: objtool: dm_kcopyd_client_destroy()+0x94: unreachable instruction drivers/md/dm-bufio.o: warning: objtool: __cache_size_refresh()+0x36: unreachable instruction drivers/pinctrl/uniphier/pinctrl-uniphier-core.o: warning: objtool: uniphier_pctl_pin_dbg_show()+0x50: unreachable instruction drivers/net/virtio_net.o: warning: objtool: mergeable_rx_buffer_size_show()+0x58: unreachable instruction drivers/md/dm-region-hash.o: warning: objtool: dm_region_hash_destroy()+0x53: unreachable instruction drivers/pwm/pwm-atmel-hlcdc.c:78:56: warning: 'clk_period_ns' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x87: unreachable instruction drivers/rapidio/devices/rio_mport_cdev.o: warning: objtool: rio_dma_transfer.isra.23()+0x38d: unreachable instruction drivers/media/media-entity.o: warning: objtool: media_create_pad_link()+0x55: unreachable instruction drivers/md/dm-zoned-target.c:217:8: warning: 'rzone' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/scsi_lib.o: warning: objtool: scsi_init_io()+0x1b4: unreachable instruction drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_add_parent_port()+0x56: unreachable instruction drivers/md/dm-integrity.o: warning: objtool: do_journal_write()+0x136: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x154: unreachable instruction drivers/md/dm-zoned-metadata.c:1310:14: warning: 'dmap' may be used uninitialized in this function [-Wuninitialized] drivers/md/dm-writecache.o: warning: objtool: __writecache_endio_ssd()+0xc2: unreachable instruction drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] drivers/spi/spi-ep93xx.o: warning: objtool: ep93xx_spi_dma_prepare()+0x332: unreachable instruction drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x6b: unreachable instruction include/linux/spinlock.h:384:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] drivers/media/v4l2-core/videobuf-core.o: warning: objtool: videobuf_status.isra.4()+0x60: unreachable instruction drivers/media/v4l2-core/videobuf-dma-sg.o: warning: objtool: __videobuf_to_vaddr()+0x37: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x88: unreachable instruction drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x5b: unreachable instruction drivers/tty/serial/8250/8250_exar.c:380:31: warning: unused variable 'board' [-Wunused-variable] drivers/scsi/scsi_transport_iscsi.o: warning: objtool: iscsi_unregister_transport()+0x33: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0x11b: unreachable instruction drivers/uwb/est.o: warning: objtool: uwb_est_get_size()+0xa7: unreachable instruction drivers/uwb/lc-dev.o: warning: objtool: uwb_dev_add()+0x3d: unreachable instruction drivers/video/fbdev/omap2/omapfb/dss/dss.o: warning: objtool: dss_select_dsi_clk_source()+0x4f: unreachable instruction drivers/tty/serial/qcom_geni_serial.c:1313:22: warning: 'drv' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/imx.o: warning: objtool: dma_map_sg_attrs.constprop.21()+0x4f: unreachable instruction drivers/tty/serial/atmel_serial.o: warning: objtool: dma_map_sg_attrs.constprop.41()+0x45: unreachable instruction drivers/tty/serial/mxs-auart.o: warning: objtool: dma_map_sg_attrs.constprop.22()+0x54: unreachable instruction drivers/video/fbdev/cyber2000fb.o: warning: objtool: cyber2000fb_set_par()+0x94: unreachable instruction drivers/video/fbdev/omap2/omapfb/dss/dispc.o: warning: objtool: DISPC_CONV_COEF_OFFSET()+0x11: unreachable instruction Full Log # git rev-parse -q --verify 6d93abaf4c5b2078e63aefb23792887357817498^{commit} 6d93abaf4c5b2078e63aefb23792887357817498 already have revision, skipping fetch # git checkout -q -f -B kisskb 6d93abaf4c5b2078e63aefb23792887357817498 # git clean -qxdf # < git log -1 # commit 6d93abaf4c5b2078e63aefb23792887357817498 # Author: Stephen Rothwell <sfr@canb.auug.org.au> # Date: Mon Jul 23 19:57:48 2018 +1000 # # Add linux-next specific files for 20180723 # # Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 6d93abaf4c5b2078e63aefb23792887357817498 # < make -s -j 40 ARCH=x86_64 O=/kisskb/build/linux-next-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=0xDDF1DC00 # 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 40 ARCH=x86_64 O=/kisskb/build/linux-next-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 yes: write error # make -s -j 40 ARCH=x86_64 O=/kisskb/build/linux-next-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x37: unreachable instruction /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] kernel/trace/ring_buffer_benchmark.o: warning: objtool: read_page()+0x85: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: __init_extra_mapping()+0xb3: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x48: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x48: unreachable instruction kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xd6: unreachable instruction fs/affs/file.o: warning: objtool: affs_get_extblock_slow()+0x67: unreachable instruction kernel/power/suspend.o: warning: objtool: suspend_enter()+0x135: unreachable instruction kernel/sched/core.o: warning: objtool: sched_cpu_dying()+0x6d: 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:1033:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x4f: unreachable instruction kernel/trace/trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x80: unreachable instruction mm/page_alloc.o: warning: objtool: deferred_init_memmap()+0xa4: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x54: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0xb2: unreachable instruction mm/shmem.o: warning: objtool: shmem_writepage()+0x41: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_pushable_task()+0x5d: unreachable instruction fs/cachefiles/bind.o: warning: objtool: cachefiles_daemon_bind()+0xca: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x56: unreachable instruction fs/cachefiles/daemon.o: warning: objtool: cachefiles_daemon_release()+0x87: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x31: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x4d: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x6c: unreachable instruction fs/cachefiles/interface.o: warning: objtool: cachefiles_put_object()+0x56: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x43: unreachable instruction fs/cachefiles/key.o: warning: objtool: cachefiles_cook_key()+0x77: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.13()+0xa3: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x43: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0xc2: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x43: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x8c: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x4c: unreachable instruction mm/gup.o: warning: objtool: get_gate_page()+0xd6: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x197: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x259: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x3f: unreachable instruction fs/cachefiles/namei.o: warning: objtool: cachefiles_mark_object_active()+0x112: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x3e: unreachable instruction mm/memory.o: warning: objtool: vm_insert_pfn_prot()+0x4a: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x82: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x3d: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x56: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x5c: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x5c: unreachable instruction mm/vmalloc.o: warning: objtool: vb_free()+0x40: unreachable instruction fs/cachefiles/rdwr.o: warning: objtool: cachefiles_read_waiter()+0x76: unreachable instruction kernel/trace/trace_syscalls.o: warning: objtool: syscall_get_arguments.constprop.20()+0x69: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x154: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0x118: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0x71: unreachable instruction /kisskb/src/mm/swap_state.c: In function '__add_to_swap_cache': /kisskb/src/mm/swap_state.c:135:6: warning: 'error' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/xattr.o: warning: objtool: cachefiles_check_object_type()+0x5c: unreachable instruction drivers/acpi/apei/erst.o: warning: objtool: erst_get_record_id_next()+0x4d: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x1f6: unreachable instruction block/blk-core.o: warning: objtool: blk_dequeue_request()+0x42: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x206: unreachable instruction fs/ext4/bitmap.o: warning: objtool: ext4_chksum.isra.1()+0x44: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0x142: unreachable instruction mm/swapfile.o: warning: objtool: swap_count_continued()+0x62: unreachable instruction mm/slab.o: warning: objtool: cache_alloc_refill()+0x7d: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x2c4: unreachable instruction mm/migrate.o: warning: objtool: buffer_migrate_page()+0x5e: unreachable instruction fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x41: 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] drivers/ata/libata-core.o: warning: objtool: ata_sg_setup()+0x79: unreachable instruction fs/fscache/cookie.o: warning: objtool: fscache_hash_cookie()+0xbe: unreachable instruction arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x54: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0x37: unreachable instruction mm/khugepaged.o: warning: objtool: collapse_huge_page.isra.60()+0x212: unreachable instruction mm/huge_memory.o: warning: objtool: vmf_insert_pfn_pmd()+0x6f: unreachable instruction kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x46: unreachable instruction fs/btrfs/inode.o: warning: objtool: dio_read_error()+0x53: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x62: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xd2: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x6a: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x3b: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: __set_extent_bit()+0xf1: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0x9c: unreachable instruction fs/freevxfs/vxfs_olt.o: warning: objtool: vxfs_read_olt()+0x51: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x47: unreachable instruction /kisskb/src/arch/x86/kernel/hw_breakpoint.c: In function 'hw_breakpoint_arch_parse': /kisskb/src/arch/x86/kernel/hw_breakpoint.c:366:18: warning: 'align' may be used uninitialized in this function [-Wuninitialized] fs/fscache/object-list.o: warning: objtool: fscache_objlist_add()+0x5e: unreachable instruction fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x5d: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x52: unreachable instruction drivers/block/brd.o: warning: objtool: copy_to_brd()+0x53: unreachable instruction mm/page_isolation.o: warning: objtool: start_isolate_page_range()+0x47: unreachable instruction fs/ext4/extents_status.o: warning: objtool: ext4_es_find_delayed_extent_range()+0x46: unreachable instruction drivers/acpi/osl.o: warning: objtool: acpi_os_initialize1()+0x98: unreachable instruction fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x5b: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x59: 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/ext4/fsync.o: warning: objtool: ext4_sync_file()+0xa4: unreachable instruction fs/fuse/dev.o: warning: objtool: fuse_copy_fill.part.24()+0x6e: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_indirect_init()+0x6b: unreachable instruction drivers/block/pktcdvd.o: warning: objtool: pkt_rbtree_find()+0x44: unreachable instruction mm/zsmalloc.o: warning: objtool: zs_page_migrate()+0x13c: unreachable instruction drivers/block/skd_main.o: warning: objtool: skd_preop_sg_list()+0xd2: unreachable instruction drivers/block/sx8.o: warning: objtool: carm_rq_fn()+0x10d: unreachable instruction fs/ext4/ialloc.o: warning: objtool: ext4_chksum.isra.28.constprop.30()+0x3f: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0xd4: unreachable instruction fs/hfs/btree.o: warning: objtool: hfs_btree_open()+0xa4: unreachable instruction fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x4b: unreachable instruction fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x86: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x41: unreachable instruction drivers/block/DAC960.o: warning: objtool: pci_map_sg()+0x54: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x6c5: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0xcc: unreachable instruction drivers/block/null_blk.o: warning: objtool: null_init_queue()+0x3a: unreachable instruction mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x4e: unreachable instruction fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x46: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x5b: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x78: unreachable instruction fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x6f: unreachable instruction fs/gfs2/aops.o: warning: objtool: gfs2_invalidatepage()+0x67: unreachable instruction drivers/clk/bcm/clk-kona.o: warning: objtool: __sel_commit()+0x47: unreachable instruction fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x50: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x61: unreachable instruction drivers/char/agp/intel-gtt.o: warning: objtool: intel_gtt_map_memory()+0x79: unreachable instruction fs/gfs2/quota.o: warning: objtool: gfs2_write_buf_to_page()+0xa2: unreachable instruction fs/ext4/inode.o: warning: objtool: mpage_prepare_extent_to_map()+0x1c1: unreachable instruction fs/ext4/mballoc.o: warning: objtool: mb_find_order_for_block()+0x47: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_chksum.isra.9()+0x44: unreachable instruction fs/jbd2/transaction.o: warning: objtool: __jbd2_journal_temp_unlink_buffer()+0x40: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_free_extlen()+0x97: unreachable instruction kernel/audit_watch.o: warning: objtool: audit_watch_handle_event()+0x61: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_chksum.isra.3()+0x44: unreachable instruction fs/ext4/page-io.o: warning: objtool: ext4_release_io_end()+0x39: unreachable instruction fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x4f: unreachable instruction net/bluetooth/af_bluetooth.o: warning: objtool: bt_sock_reclassify_lock()+0x33: unreachable instruction fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x1dd: unreachable instruction kernel/audit_fsnotify.o: warning: objtool: audit_mark_handle_event()+0x61: 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:340:21: note: 'pdeo' was declared here fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x4d: unreachable instruction fs/ext4/namei.o: warning: objtool: dx_insert_block()+0x53: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.3()+0xe5: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x3f: 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] fs/jfs/jfs_xtree.o: warning: objtool: xtTruncate()+0x8c: unreachable instruction kernel/seccomp.o: warning: objtool: seccomp_attach_filter()+0x55: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x70: 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] fs/notify/inotify/inotify_user.o: warning: objtool: inotify_idr_find_locked()+0x3f: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: __btrfs_remove_delayed_item()+0x4d: unreachable instruction fs/hfsplus/xattr.o: warning: objtool: hfsplus_create_attributes_file()+0x6d: unreachable instruction fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x519: unreachable instruction fs/btrfs/relocation.o: warning: objtool: record_reloc_root_in_trans()+0x5f: unreachable instruction fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x61: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_repair_page_from_good_copy()+0x5c: unreachable instruction fs/jbd2/journal.o: warning: objtool: get_slab()+0x38: unreachable instruction fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0x12c: unreachable instruction block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x3c: unreachable instruction fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x49: unreachable instruction block/mq-deadline.o: warning: objtool: __dd_dispatch_request()+0x9a: unreachable instruction fs/orangefs/orangefs-mod.o: warning: objtool: orangefs_exit()+0x6e: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x28e: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0xa0: unreachable instruction fs/btrfs/backref.o: warning: objtool: add_missing_keys()+0x66: unreachable instruction block/cfq-iosched.o: warning: objtool: cfq_should_idle()+0x61: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x4f: unreachable instruction /kisskb/src/lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] /kisskb/src/block/bfq-iosched.c: In function 'bfq_exit_icq_bfqq': /kisskb/src/block/bfq-iosched.c:4084:11: warning: 'bfqd' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x5d: unreachable instruction fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x59: unreachable instruction fs/jfs/jfs_metapage.o: warning: objtool: metapage_invalidatepage()+0x40: unreachable instruction fs/ext4/xattr.o: warning: objtool: ext4_chksum.isra.20()+0x44: unreachable instruction fs/ufs/balloc.o: warning: objtool: ufs_change_blocknr()+0x84: unreachable instruction fs/btrfs/send.o: warning: objtool: read_symlink()+0xea: unreachable instruction fs/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x164: unreachable instruction fs/jfs/jfs_txnmgr.o: warning: objtool: LogSyncRelease()+0x36: unreachable instruction drivers/crypto/ccree/cc_buffer_mgr.o: warning: objtool: dma_map_sg_attrs.constprop.14()+0x4f: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_chksum.isra.123()+0x44: unreachable instruction fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock()+0x5c: unreachable instruction fs/ufs/super.o: warning: objtool: ufs_show_options()+0x66: unreachable instruction drivers/crypto/mediatek/mtk-aes.o: warning: objtool: dma_map_sg_attrs.constprop.22()+0x4f: unreachable instruction fs/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x68: unreachable instruction drivers/crypto/inside-secure/safexcel_cipher.o: warning: objtool: dma_map_sg_attrs.constprop.9()+0x5f: unreachable instruction drivers/crypto/qce/sha.o: warning: objtool: dma_map_sg_attrs.constprop.8()+0x5f: unreachable instruction drivers/crypto/atmel-aes.o: warning: objtool: dma_map_sg_attrs.constprop.23()+0x5f: unreachable instruction drivers/crypto/qce/ablkcipher.o: warning: objtool: dma_map_sg_attrs.constprop.5()+0x5f: unreachable instruction drivers/dma/dw/core.o: warning: objtool: dwc_free_chan_resources()+0xb0: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release.part.13()+0x3c: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x4e: unreachable instruction /kisskb/src/drivers/crypto/atmel-sha.c: In function 'atmel_sha_hmac_setup': /kisskb/src/include/linux/string.h:345:2: warning: 'key' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/crypto/atmel-sha.c:1761:12: note: 'key' was declared here /kisskb/src/drivers/crypto/atmel-sha.c:1812:2: warning: 'keylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/crypto/atmel-sha.c:1760:15: note: 'keylen' was declared here drivers/crypto/atmel-tdes.o: warning: objtool: dma_map_sg_attrs.constprop.21()+0x45: 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/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x38: unreachable instruction fs/super.o: warning: objtool: vfs_get_super()+0x2f: 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 drivers/dma/ioat/dma.o: warning: objtool: __cleanup()+0x1e3: unreachable instruction drivers/crypto/s5p-sss.o: warning: objtool: dma_map_sg_attrs.constprop.26()+0x5f: unreachable instruction drivers/crypto/picoxcell_crypto.o: warning: objtool: dma_map_sg_attrs.constprop.21()+0x5f: unreachable instruction drivers/dma/sh/shdma-base.o: warning: objtool: __ld_cleanup()+0xa2: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x1f7: unreachable instruction net/core/skbuff.o: warning: objtool: __skb_to_sgvec()+0x223: unreachable instruction crypto/drbg.o: warning: objtool: drbg_seed()+0xd6: unreachable instruction /kisskb/src/drivers/dma/sh/rcar-dmac.c: In function 'rcar_dmac_chan_prep_sg': /kisskb/src/drivers/dma/sh/rcar-dmac.c:951:23: warning: 'high_mem_addr' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma/sh/rcar-dmac.c:950:23: warning: 'high_dev_addr' may be used uninitialized in this function [-Wuninitialized] drivers/dma/sh/rcar-dmac.o: warning: objtool: rcar_dmac_realloc_hwdesc.isra.21()+0x98: unreachable instruction net/core/flow_dissector.o: warning: objtool: skb_flow_dissector_init()+0x65: unreachable instruction drivers/dma/sh/usb-dmac.o: warning: objtool: usb_dmac_isr_transfer_end()+0x41: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x3c: unreachable instruction fs/dcache.o: warning: objtool: hlist_bl_add_head_rcu()+0x49: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x44: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x7c: unreachable instruction /kisskb/src/fs/splice.c: In function '__do_compat_sys_vmsplice': /kisskb/src/fs/splice.c:1384:29: warning: 'type' may be used uninitialized in this function [-Wuninitialized] /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] net/netlink/genetlink.o: warning: objtool: genl_validate_assign_mc_groups()+0x118: unreachable instruction /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3334:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] drivers/dma/mv_xor.o: warning: objtool: mv_xor_prep_dma_xor()+0x73: unreachable instruction drivers/dma/pch_dma.o: warning: objtool: pd_free_chan_resources()+0x4c: unreachable instruction net/wimax/id-table.o: warning: objtool: wimax_id_table_add()+0x4d: unreachable instruction net/rfkill/core.o: warning: objtool: rfkill_init_sw_state()+0x3a: unreachable instruction net/wimax/op-reset.o: warning: objtool: wimax_reset()+0x5e: unreachable instruction net/wimax/op-msg.o: warning: objtool: wimax_msg_send()+0x6b: unreachable instruction net/sched/sch_generic.o: warning: objtool: dev_trans_start()+0x15: unreachable instruction net/core/dev.o: warning: objtool: skb_checksum_help()+0xda: unreachable instruction net/wimax/op-rfkill.o: warning: objtool: __wimax_rf_toggle_radio()+0x60: unreachable instruction drivers/dma/timb_dma.o: warning: objtool: __td_start_next()+0x3e: unreachable instruction net/wimax/op-state-get.o: warning: objtool: wimax_gnl_doit_state_get()+0x52: unreachable instruction net/wimax/stack.o: warning: objtool: wimax_gnl_re_state_change_send()+0x61: unreachable instruction fs/direct-io.o: warning: objtool: do_direct_IO()+0x1e3: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0x116: unreachable instruction fs/mpage.o: warning: objtool: __mpage_writepage()+0xc8: unreachable instruction fs/buffer.o: warning: objtool: cont_expand_zero()+0x110: unreachable instruction drivers/ide/ide-io.o: warning: objtool: start_request()+0x3d: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x57: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x187: unreachable instruction drivers/ide/ide-probe.o: warning: objtool: ide_unregister()+0x3c: unreachable instruction /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c: In function '__arm_v7s_map': /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c:468:2: warning: 'cptep' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c: In function 'rhashtable_rehash_one': /kisskb/src/lib/rhashtable.c:265:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] fs/aio.o: warning: objtool: aio_migratepage()+0xa0: unreachable instruction fs/locks.o: warning: objtool: locks_free_lock()+0x3b: 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] lib/list_debug.o: warning: objtool: __list_add_valid()+0x50: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x73: unreachable instruction fs/mbcache.o: warning: objtool: mb_cache_entry_create()+0x138: unreachable instruction drivers/lightnvm/pblk-core.o: warning: objtool: pblk_map_invalidate()+0x5c: unreachable instruction /kisskb/src/net/mac80211/tx.c: In function 'ieee80211_build_hdr': /kisskb/src/net/mac80211/tx.c:2473:27: warning: 'chanctx_conf' may be used uninitialized in this function [-Wuninitialized] lib/genalloc.o: warning: objtool: gen_pool_free()+0x66: unreachable instruction drivers/lightnvm/pblk-read.o: warning: objtool: pblk_read_from_cache()+0x53: unreachable instruction net/mac80211/tx.o: warning: objtool: ieee80211_monitor_start_xmit()+0x47: unreachable instruction lib/syscall.o: warning: objtool: collect_syscall()+0x1d6: unreachable instruction lib/dynamic_debug.o: warning: objtool: __dynamic_pr_debug()+0x59: unreachable instruction /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_handle_pwr_constr.isra.21': /kisskb/src/net/mac80211/mlme.c:1448:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.31()+0x54: unreachable instruction drivers/ide/ide-tape.o: warning: objtool: idetape_do_request()+0x53: unreachable instruction drivers/media/common/saa7146/saa7146_core.o: warning: objtool: saa7146_pgtable_build_single()+0x3c: unreachable instruction drivers/media/common/saa7146/saa7146_fops.o: warning: objtool: saa7146_buffer_queue()+0x45: unreachable instruction drivers/md/bcache/bset.o: warning: objtool: make_bfloat()+0xfd: unreachable instruction lib/oid_registry.o: warning: objtool: sprint_OID()+0x3b: unreachable instruction drivers/media/common/saa7146/saa7146_hlp.o: warning: objtool: calculate_video_dma_grab_planar()+0x84: unreachable instruction drivers/md/dm.o: warning: objtool: dm_accept_partial_bio()+0x3f: unreachable instruction /kisskb/src/drivers/input/touchscreen/hideep.c: In function 'hideep_update_firmware': /kisskb/src/drivers/input/touchscreen/hideep.c:633:3: warning: 'error' may be used uninitialized in this function [-Wuninitialized] drivers/md/dm-table.o: warning: objtool: dm_table_determine_type()+0x84: unreachable instruction drivers/md/bcache/closure.o: warning: objtool: closure_put_after_sub()+0x38: unreachable instruction drivers/md/bcache/btree.o: warning: objtool: do_btree_node_write()+0x7a: unreachable instruction /kisskb/src/drivers/mfd/arizona-core.c: In function 'arizona_dev_init': /kisskb/src/drivers/mfd/arizona-core.c:1422:6: warning: 'n_subdevs' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/extents.o: warning: objtool: bch_extent_insert_fixup()+0x5a: unreachable instruction drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0xb3: unreachable instruction drivers/md/bcache/journal.o: warning: objtool: bch_journal_replay()+0x87: unreachable instruction drivers/media/pci/saa7134/saa7134-core.o: warning: objtool: saa7134_buffer_next()+0x40: unreachable instruction drivers/media/common/videobuf2/videobuf2-dma-sg.o: warning: objtool: dma_map_sg_attrs()+0x53: unreachable instruction drivers/media/pci/saa7164/saa7164-core.o: warning: objtool: saa7164_irq_ts()+0x2d: unreachable instruction drivers/nvme/host/pci.o: warning: objtool: dma_map_sg_attrs()+0x53: unreachable instruction drivers/md/bcache/request.o: warning: objtool: cache_lookup_fn()+0x136: unreachable instruction lib/idr.o: warning: objtool: ida_simple_get()+0x3e: unreachable instruction drivers/media/pci/saa7164/saa7164-buffer.o: warning: objtool: saa7164_buffer_cfg_port()+0x211: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x37: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0xb9: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x47: unreachable instruction drivers/md/bcache/super.o: warning: objtool: cache_alloc()+0xaa: unreachable instruction drivers/md/bcache/util.o: warning: objtool: bch_bio_map()+0x48: unreachable instruction drivers/misc/ad525x_dpot.o: warning: objtool: dpot_write_spi()+0x89: unreachable instruction drivers/media/pci/ttpci/av7110.o: warning: objtool: dvb_get_stc()+0x4c: unreachable instruction drivers/md/bcache/writeback.o: warning: objtool: read_dirty()+0x47: unreachable instruction drivers/md/dm-stripe.o: warning: objtool: stripe_map()+0x55: unreachable instruction /kisskb/src/drivers/pinctrl/intel/pinctrl-cherryview.c: In function 'chv_gpio_probe': /kisskb/src/drivers/pinctrl/intel/pinctrl-cherryview.c:1644:29: warning: 'irq_base' may be used uninitialized in this function [-Wuninitialized] drivers/misc/tifm_core.o: warning: objtool: tifm_map_sg()+0x65: unreachable instruction drivers/md/dm-kcopyd.o: warning: objtool: dm_kcopyd_client_destroy()+0x94: unreachable instruction drivers/md/dm-bufio.o: warning: objtool: __cache_size_refresh()+0x36: unreachable instruction drivers/pinctrl/uniphier/pinctrl-uniphier-core.o: warning: objtool: uniphier_pctl_pin_dbg_show()+0x50: unreachable instruction drivers/net/virtio_net.o: warning: objtool: mergeable_rx_buffer_size_show()+0x58: unreachable instruction drivers/md/dm-region-hash.o: warning: objtool: dm_region_hash_destroy()+0x53: 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] drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x87: unreachable instruction drivers/rapidio/devices/rio_mport_cdev.o: warning: objtool: rio_dma_transfer.isra.23()+0x38d: unreachable instruction drivers/media/media-entity.o: warning: objtool: media_create_pad_link()+0x55: 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/scsi/scsi_lib.o: warning: objtool: scsi_init_io()+0x1b4: unreachable instruction drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_add_parent_port()+0x56: unreachable instruction drivers/md/dm-integrity.o: warning: objtool: do_journal_write()+0x136: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x154: 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/md/dm-writecache.o: warning: objtool: __writecache_endio_ssd()+0xc2: 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] drivers/spi/spi-ep93xx.o: warning: objtool: ep93xx_spi_dma_prepare()+0x332: unreachable instruction drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x6b: 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/media/v4l2-core/videobuf-core.o: warning: objtool: videobuf_status.isra.4()+0x60: unreachable instruction drivers/media/v4l2-core/videobuf-dma-sg.o: warning: objtool: __videobuf_to_vaddr()+0x37: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x88: unreachable instruction drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x5b: unreachable instruction /kisskb/src/drivers/tty/serial/8250/8250_exar.c: In function 'pci_xr17v35x_setup': /kisskb/src/drivers/tty/serial/8250/8250_exar.c:380:31: warning: unused variable 'board' [-Wunused-variable] drivers/scsi/scsi_transport_iscsi.o: warning: objtool: iscsi_unregister_transport()+0x33: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0x11b: unreachable instruction drivers/uwb/est.o: warning: objtool: uwb_est_get_size()+0xa7: unreachable instruction drivers/uwb/lc-dev.o: warning: objtool: uwb_dev_add()+0x3d: unreachable instruction drivers/video/fbdev/omap2/omapfb/dss/dss.o: warning: objtool: dss_select_dsi_clk_source()+0x4f: unreachable instruction /kisskb/src/drivers/tty/serial/qcom_geni_serial.c: In function 'qcom_geni_serial_probe': /kisskb/src/drivers/tty/serial/qcom_geni_serial.c:1313:22: warning: 'drv' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/imx.o: warning: objtool: dma_map_sg_attrs.constprop.21()+0x4f: unreachable instruction drivers/tty/serial/atmel_serial.o: warning: objtool: dma_map_sg_attrs.constprop.41()+0x45: unreachable instruction drivers/tty/serial/mxs-auart.o: warning: objtool: dma_map_sg_attrs.constprop.22()+0x54: unreachable instruction drivers/video/fbdev/cyber2000fb.o: warning: objtool: cyber2000fb_set_par()+0x94: unreachable instruction drivers/video/fbdev/omap2/omapfb/dss/dispc.o: warning: objtool: DISPC_CONV_COEF_OFFSET()+0x11: unreachable instruction Completed OK # rm -rf /kisskb/build/linux-next-rand_x86_64-randconfig_x86_64 # Build took: 0:01:29.900567

© Michael Ellerman 2006-2018.