Buildresult: linus-rand/x86_64-randconfig/x86_64-gcc4.6 built on Oct 13 2018, 20:36

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Status:	OK
Date/Time:	Oct 13 2018, 20:36
Duration:	0:01:31.256633
Builder:	ka2
Revision:	Merge tag 'for-linus-20181012' of git://git.kernel.dk/linux-block (`cafa017dc5df8abc38308fedae3f1bd7ff67802d)`
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 (257) 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/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xf6: unreachable instruction kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x13: unreachable instruction kernel/printk/printk.c:185:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x1b: unreachable instruction fs/cachefiles/bind.o: warning: objtool: cachefiles_daemon_bind()+0x43: unreachable instruction kernel/rcu/srcutree.c:129:33: warning: 'levelspread[<U2c80>]' may be used uninitialized in this function [-Wuninitialized] arch/x86/mm/init_64.o: warning: objtool: __init_extra_mapping()+0x80: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x25: unreachable instruction crypto/async_tx/async_tx.o: warning: objtool: async_tx_submit()+0x34: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x12: unreachable instruction fs/cachefiles/daemon.o: warning: objtool: cachefiles_daemon_release()+0x35: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x30: unreachable instruction arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/interface.o: warning: objtool: cachefiles_put_object()+0x3a: unreachable instruction crypto/async_tx/async_pq.o: warning: objtool: do_sync_gen_syndrome()+0x5e: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x67: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x20: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x2e: unreachable instruction kernel/rcu/tree.o: warning: objtool: rcu_init_geometry()+0x5e: unreachable instruction fs/cachefiles/key.o: warning: objtool: cachefiles_cook_key()+0x2a: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x6a: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x7a: unreachable instruction mm/gup.o: warning: objtool: get_gate_page()+0x8e: unreachable instruction fs/cachefiles/namei.o: warning: objtool: cachefiles_mark_object_active()+0xd0: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0x4a: unreachable instruction kernel/trace/ring_buffer_benchmark.o: warning: objtool: read_page()+0x8f: unreachable instruction mm/rmap.o: warning: objtool: hugepage_add_anon_rmap()+0x30: unreachable instruction fs/cachefiles/rdwr.o: warning: objtool: cachefiles_read_waiter()+0x3b: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x10: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x1b: unreachable instruction mm/vmalloc.o: warning: objtool: vb_free()+0x1d: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x7b: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0x1b: unreachable instruction kernel/sched/rt.o: warning: objtool: _pick_next_task_rt()+0x32: unreachable instruction kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x28: unreachable instruction fs/cachefiles/xattr.o: warning: objtool: cachefiles_check_object_type()+0x35: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x14: unreachable instruction mm/memory.o: warning: objtool: vm_insert_pfn_prot()+0x2e: unreachable instruction mm/zsmalloc.o: warning: objtool: zs_map_object()+0x24: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x31: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xc1: unreachable instruction mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x34: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0x73: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x1f: unreachable instruction fs/crypto/crypto.o: warning: objtool: fscrypt_do_page_crypto()+0x6b: unreachable instruction kernel/seccomp.o: warning: objtool: __secure_computing()+0x5a: unreachable instruction arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] mm/slub.o: warning: objtool: early_kmem_cache_node_alloc()+0x1f: unreachable instruction mm/hugetlb.o: warning: objtool: huge_pte_alloc()+0x9c: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x27: unreachable instruction 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/ftrace.o: warning: objtool: ftrace_modify_code.constprop.10()+0x4c: unreachable instruction kernel/trace/trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x74: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x51: unreachable instruction fs/ext4/bitmap.o: warning: objtool: ext4_inode_bitmap_csum_verify()+0x4c: unreachable instruction fs/exofs/ore.o: warning: objtool: _prepare_for_striping()+0x80: unreachable instruction fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x5d: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x21d: unreachable instruction fs/fscache/cookie.o: warning: objtool: __fscache_disable_cookie()+0xcd: unreachable instruction fs/exofs/ore_raid.o: warning: objtool: _sp2d_alloc()+0x2f: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x19: unreachable instruction fs/fuse/dev.o: warning: objtool: fuse_copy_fill.part.23()+0x48: unreachable instruction drivers/block/brd.o: warning: objtool: copy_to_brd()+0x2e: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x44: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x68: unreachable instruction drivers/ata/libata-core.o: warning: objtool: ata_sg_setup()+0x3f: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x128: unreachable instruction fs/ext4/extents_status.o: warning: objtool: __es_insert_extent()+0xfb: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0x92: unreachable instruction fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x2f: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x29: unreachable instruction fs/fscache/object-list.o: warning: objtool: fscache_objlist_add()+0x3a: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x198: unreachable instruction fs/exofs/inode.o: warning: objtool: writepage_strip()+0x33: unreachable instruction fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0x5e: unreachable instruction fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x2b: 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] crypto/drbg.o: warning: objtool: drbg_async_seed()+0x4d: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x1e: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x234: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_iomap_alloc.isra.24()+0x4d: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x28: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0xb8: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x45: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0x126: unreachable instruction fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x24: unreachable instruction fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x3f: unreachable instruction fs/ext4/ialloc.o: warning: objtool: __ext4_new_inode()+0x998: unreachable instruction fs/ext4/page-io.o: warning: objtool: ext4_release_io_end()+0x16: unreachable instruction fs/hfs/btree.o: warning: objtool: hfs_btree_open()+0x79: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x1fa: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x32: unreachable instruction fs/gfs2/dir.o: warning: objtool: dir_make_exhash()+0x75: unreachable instruction block/blk-core.o: warning: objtool: blk_dequeue_request()+0x1e: unreachable instruction fs/ext4/mballoc.o: warning: objtool: mb_find_buddy()+0x11: unreachable instruction fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x3d: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x29c: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x2a: unreachable instruction fs/ext4/xattr.o: warning: objtool: ext4_xattr_block_csum.isra.13()+0xf5: unreachable instruction fs/ext4/namei.o: warning: objtool: ext4_dx_csum()+0xa6: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x47: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_block_tag_csum_set()+0xe7: unreachable instruction fs/btrfs/inode.o: warning: objtool: __btrfs_del_delalloc_inode()+0xac: unreachable instruction fs/jbd2/transaction.o: warning: objtool: jbd2_journal_file_inode()+0x95: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x22: unreachable instruction fs/ext4/inode.o: warning: objtool: ext4_block_write_begin()+0x45: unreachable instruction fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x29: unreachable instruction fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x25: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_descriptor_block_csum_verify()+0x8a: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: end_bio_extent_buffer_writepage()+0x3d: unreachable instruction drivers/dma-buf/reservation.c:211:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] fs/jffs2/nodelist.o: warning: objtool: jffs2_link_node_ref()+0x18: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0x67: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x6b: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x4ad: unreachable instruction fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x56: unreachable instruction fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x3f: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x1a: unreachable instruction lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] drivers/hwtracing/intel_th/msu.o: warning: objtool: msc_buffer_win_alloc()+0x92: unreachable instruction fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x1b3: unreachable instruction fs/gfs2/aops.o: warning: objtool: gfs2_releasepage()+0x77: unreachable instruction sound/core/pcm_iec958.c:80:9: warning: 'ws' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/delayed-ref.o: warning: objtool: insert_delayed_ref()+0x26d: unreachable instruction fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x550: unreachable instruction fs/jffs2/readinode.o: warning: objtool: jffs2_get_inode_nodes()+0x262: unreachable instruction drivers/input/mouse/cyapa.c:717:27: warning: 'error' may be used uninitialized in this function [-Wuninitialized] fs/jbd2/journal.o: warning: objtool: get_slab()+0x23: unreachable instruction fs/jfs/jfs_xtree.o: warning: objtool: xtTruncate()+0x7a: unreachable instruction fs/gfs2/quota.o: warning: objtool: gfs2_write_buf_to_page()+0x79: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x244: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: __btrfs_remove_delayed_item()+0x28: unreachable instruction fs/btrfs/backref.o: warning: objtool: add_missing_keys()+0x41: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x35: unreachable instruction drivers/input/mouse/cyapa_gen3.c:927:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x2c: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_setup_recheck_block()+0x166: unreachable instruction fs/jffs2/gc.o: warning: objtool: jffs2_garbage_collect_pass()+0x1a8: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_alloc_extent()+0x4a: unreachable instruction lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x2a: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_group_desc_csum()+0x119: unreachable instruction fs/btrfs/relocation.o: warning: objtool: create_reloc_root()+0x41: unreachable instruction drivers/ide/ide-io.o: warning: objtool: start_request()+0x1c: unreachable instruction fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x59: unreachable instruction fs/jffs2/debug.o: warning: objtool: __jffs2_dbg_acct_sanity_check_nolock()+0x8d: unreachable instruction fs/btrfs/send.o: warning: objtool: read_symlink()+0xd8: unreachable instruction fs/jffs2/wbuf.o: warning: objtool: jffs2_incore_replace_raw.isra.5()+0x19: unreachable instruction fs/jffs2/xattr.o: warning: objtool: save_xattr_datum()+0x38: unreachable instruction fs/jfs/jfs_metapage.o: warning: objtool: metapage_invalidatepage()+0x14: unreachable instruction fs/btrfs/check-integrity.o: warning: objtool: btrfsic_block_link_hashtable_lookup()+0x36: unreachable instruction drivers/ide/ide-probe.o: warning: objtool: ide_unregister()+0x18: unreachable instruction fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0x7a: unreachable instruction drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x203: unreachable instruction lib/rhashtable.c:264:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/attrib.o: warning: objtool: ntfs_attr_lookup()+0x1e: unreachable instruction fs/ntfs/collate.o: warning: objtool: ntfs_collate()+0x1f: can't find jump dest instruction at .text+0xc8 fs/jfs/jfs_txnmgr.o: warning: objtool: LogSyncRelease()+0x38: unreachable instruction fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x32: unreachable instruction lib/list_debug.o: warning: objtool: __list_add_valid()+0x20: unreachable instruction fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0x8c: unreachable instruction fs/orangefs/orangefs-mod.o: warning: objtool: orangefs_exit()+0x5a: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x38: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.4()+0xf6: unreachable instruction fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x46: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0x92: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0x3e: unreachable instruction fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x19: unreachable instruction fs/ntfs/index.o: warning: objtool: ntfs_index_lookup()+0x49: unreachable instruction include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] drivers/ide/ide-disk.o: warning: objtool: ide_do_rw_disk()+0x1d: unreachable instruction drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_build_cmd()+0x26: unreachable instruction drivers/gpu/drm/ttm/ttm_tt.o: warning: objtool: ttm_tt_swapout()+0x25: unreachable instruction fs/ntfs/inode.o: warning: objtool: ntfs_destroy_extent_inode()+0x15: unreachable instruction drivers/mtd/chips/cfi_cmdset_0020.o: warning: objtool: do_write_buffer()+0x42a: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0x8d: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x21: unreachable instruction drivers/gpu/drm/ttm/ttm_bo.o: warning: objtool: ttm_bo_release_list()+0x2a: unreachable instruction fs/quota/dquot.o: warning: objtool: dqput()+0x66: unreachable instruction drivers/mtd/chips/cfi_cmdset_0002.o: warning: objtool: do_panic_write_oneword()+0x77: unreachable instruction drivers/misc/ad525x_dpot.o: warning: objtool: dpot_write_spi()+0x88: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x19: unreachable instruction fs/ntfs/runlist.o: warning: objtool: ntfs_runlists_merge()+0x316: unreachable instruction fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0xd4: unreachable instruction drivers/ide/ide-tape.o: warning: objtool: idetape_do_request()+0x2f: unreachable instruction drivers/mtd/chips/cfi_cmdset_0001.o: warning: objtool: inval_cache_and_wait_for_operation()+0x162: unreachable instruction drivers/mfd/wm8994-core.o: warning: objtool: wm8994_device_init.isra.11()+0xc1: unreachable instruction fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock()+0x38: unreachable instruction fs/ntfs/super.o: warning: objtool: ntfs_fill_super()+0x166: unreachable instruction block/mq-deadline.o: warning: objtool: __dd_dispatch_request()+0x96: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x3f: unreachable instruction fs/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x41: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x30: unreachable instruction fs/reiserfs/namei.o: warning: objtool: linear_search_in_dir_item()+0x92: unreachable instruction drivers/mmc/host/mtk-sd.o: warning: objtool: msdc_drv_probe()+0x2cf: unreachable instruction block/bfq-iosched.c:4110:11: warning: 'bfqd' may be used uninitialized in this function [-Wuninitialized] fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x43: unreachable instruction drivers/platform/chrome/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x48: unreachable instruction drivers/platform/chrome/cros_ec_spi.o: warning: objtool: cros_ec_spi_receive_packet()+0x1b: unreachable instruction drivers/gpu/drm/virtio/virtgpu_vq.o: warning: objtool: virtio_gpu_get_vbuf.isra.3()+0x3f: unreachable instruction fs/ufs/balloc.o: warning: objtool: ufs_change_blocknr()+0x5a: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0x15: unreachable instruction drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_probe()+0x172: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x185: unreachable instruction fs/ufs/super.o: warning: objtool: ufs_show_options()+0x3a: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x18: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x25: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x5d: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x5d: unreachable instruction fs/dcache.o: warning: objtool: d_instantiate_new()+0x1a: unreachable instruction fs/seq_file.o: warning: objtool: seq_escape()+0x20: unreachable instruction drivers/mtd/lpddr/qinfo_probe.o: warning: objtool: lpddr_info_query()+0x115: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x121: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0x9b: unreachable instruction drivers/uio/uio_pruss.o: warning: objtool: pruss_probe()+0x11b: unreachable instruction drivers/mtd/maps/nettel.o: warning: objtool: nettel_init()+0x549: can't find jump dest instruction at .init.text+0x54d drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x47: unreachable instruction fs/splice.c:1358:22: warning: 'type' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/lpddr/lpddr_cmds.o: warning: objtool: wait_for_ready()+0x97: unreachable instruction drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x4c: unreachable instruction drivers/scsi/scsi_lib.o: warning: objtool: scsi_init_io()+0x109: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0xbd: unreachable instruction fs/mpage.o: warning: objtool: __mpage_writepage()+0x8b: unreachable instruction drivers/spi/spidev.c:478:10: warning: 'n_ioc' may be used uninitialized in this function [-Wuninitialized] fs/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x2c: unreachable instruction fs/direct-io.o: warning: objtool: do_direct_IO()+0x1ed: unreachable instruction fs/buffer.o: warning: objtool: cont_expand_zero()+0x150: unreachable instruction fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x3d: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x19c: unreachable instruction fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x3c: unreachable instruction drivers/gpu/drm/drm_mm.o: warning: objtool: drm_mm_remove_node()+0x26: unreachable instruction fs/aio.o: warning: objtool: aio_nr_sub()+0x20: unreachable instruction drivers/mtd/nand/raw/nand_bbt.o: warning: objtool: verify_bbt_descr()+0x2d: unreachable instruction fs/locks.o: warning: objtool: locks_free_lock()+0x18: unreachable instruction drivers/video/backlight/adp8860_bl.c:579:10: warning: 'ret_val' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x17: unreachable instruction fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.26()+0x3f: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xa2: unreachable instruction drivers/mtd/nand/raw/nand_base.o: warning: objtool: nand_fill_oob()+0x79: unreachable instruction drivers/mtd/ubi/eba.c:1001:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/drm_atomic.c:760:38: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] drivers/staging/comedi/drivers/dt282x.c:389:5: warning: 'divider' may be used uninitialized in this function [-Wuninitialized] drivers/staging/comedi/drivers/dt282x.c:394:16: warning: 'base' may be used uninitialized in this function [-Wuninitialized] drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x41: unreachable instruction drivers/mtd/mtdconcat.o: warning: objtool: concat_erase()+0x122: unreachable instruction drivers/video/fbdev/ocfb.o: warning: objtool: ocfb_probe()+0x173: unreachable instruction drivers/staging/erofs/inode.o: warning: objtool: fill_inline_data()+0x2f: unreachable instruction drivers/staging/erofs/data.c:209:15: warning: 'last_block' may be used uninitialized in this function [-Wuninitialized] drivers/staging/erofs/data.o: warning: objtool: erofs_map_blocks_flatmode()+0x87: unreachable instruction drivers/staging/erofs/namei.o: warning: objtool: erofs_lookup()+0x23: unreachable instruction drivers/staging/erofs/utils.o: warning: objtool: erofs_allocpage()+0x6d: unreachable instruction drivers/staging/erofs/xattr.o: warning: objtool: inline_xattr_iter_begin()+0x40: unreachable instruction drivers/staging/speakup/varhandlers.o: warning: objtool: spk_get_var()+0xc: unreachable instruction Full Log # git rev-parse -q --verify cafa017dc5df8abc38308fedae3f1bd7ff67802d^{commit} cafa017dc5df8abc38308fedae3f1bd7ff67802d already have revision, skipping fetch # git checkout -q -f -B kisskb cafa017dc5df8abc38308fedae3f1bd7ff67802d # git clean -qxdf # < git log -1 # commit cafa017dc5df8abc38308fedae3f1bd7ff67802d # Merge: ed66c252d9169 5e65a20341e02 # Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org> # Date: Sat Oct 13 09:07:23 2018 +0200 # # Merge tag 'for-linus-20181012' of git://git.kernel.dk/linux-block # # Jens writes: # "block fix for 4.19-rc # # Just a single fix that should go in, fixing a regression introduced # in the blk-wbt code." # # * tag 'for-linus-20181012' of git://git.kernel.dk/linux-block: # blk-wbt: wake up all when we scale up, not down # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 cafa017dc5df8abc38308fedae3f1bd7ff67802d # < make -s -j 48 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=0xABE34F08 # 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 48 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 48 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- scripts/Makefile.kasan:17: Cannot use CONFIG_KASAN: -fsanitize=kernel-address is not supported by compiler scripts/Makefile.kasan:17: Cannot use CONFIG_KASAN: -fsanitize=kernel-address is not supported by compiler /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/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xf6: unreachable instruction kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x13: 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] kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x1b: unreachable instruction fs/cachefiles/bind.o: warning: objtool: cachefiles_daemon_bind()+0x43: unreachable instruction /kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_nodes': /kisskb/src/kernel/rcu/srcutree.c:129:33: warning: 'levelspread[<U2c80>]' may be used uninitialized in this function [-Wuninitialized] arch/x86/mm/init_64.o: warning: objtool: __init_extra_mapping()+0x80: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x25: unreachable instruction crypto/async_tx/async_tx.o: warning: objtool: async_tx_submit()+0x34: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x12: unreachable instruction fs/cachefiles/daemon.o: warning: objtool: cachefiles_daemon_release()+0x35: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x30: 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] fs/cachefiles/interface.o: warning: objtool: cachefiles_put_object()+0x3a: unreachable instruction crypto/async_tx/async_pq.o: warning: objtool: do_sync_gen_syndrome()+0x5e: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x67: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x20: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x2e: unreachable instruction kernel/rcu/tree.o: warning: objtool: rcu_init_geometry()+0x5e: unreachable instruction fs/cachefiles/key.o: warning: objtool: cachefiles_cook_key()+0x2a: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x6a: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x7a: unreachable instruction mm/gup.o: warning: objtool: get_gate_page()+0x8e: unreachable instruction fs/cachefiles/namei.o: warning: objtool: cachefiles_mark_object_active()+0xd0: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0x4a: unreachable instruction kernel/trace/ring_buffer_benchmark.o: warning: objtool: read_page()+0x8f: unreachable instruction mm/rmap.o: warning: objtool: hugepage_add_anon_rmap()+0x30: unreachable instruction fs/cachefiles/rdwr.o: warning: objtool: cachefiles_read_waiter()+0x3b: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x10: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x1b: unreachable instruction mm/vmalloc.o: warning: objtool: vb_free()+0x1d: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x7b: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0x1b: unreachable instruction kernel/sched/rt.o: warning: objtool: _pick_next_task_rt()+0x32: unreachable instruction kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x28: unreachable instruction fs/cachefiles/xattr.o: warning: objtool: cachefiles_check_object_type()+0x35: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x14: unreachable instruction mm/memory.o: warning: objtool: vm_insert_pfn_prot()+0x2e: unreachable instruction mm/zsmalloc.o: warning: objtool: zs_map_object()+0x24: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x31: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xc1: unreachable instruction mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x34: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0x73: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x1f: unreachable instruction fs/crypto/crypto.o: warning: objtool: fscrypt_do_page_crypto()+0x6b: unreachable instruction kernel/seccomp.o: warning: objtool: __secure_computing()+0x5a: 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] mm/slub.o: warning: objtool: early_kmem_cache_node_alloc()+0x1f: unreachable instruction mm/hugetlb.o: warning: objtool: huge_pte_alloc()+0x9c: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x27: 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] arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x30: unreachable instruction arch/x86/kernel/ftrace.o: warning: objtool: ftrace_modify_code.constprop.10()+0x4c: unreachable instruction kernel/trace/trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x74: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x51: unreachable instruction fs/ext4/bitmap.o: warning: objtool: ext4_inode_bitmap_csum_verify()+0x4c: unreachable instruction fs/exofs/ore.o: warning: objtool: _prepare_for_striping()+0x80: unreachable instruction fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x5d: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x21d: unreachable instruction fs/fscache/cookie.o: warning: objtool: __fscache_disable_cookie()+0xcd: unreachable instruction fs/exofs/ore_raid.o: warning: objtool: _sp2d_alloc()+0x2f: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x19: unreachable instruction fs/fuse/dev.o: warning: objtool: fuse_copy_fill.part.23()+0x48: unreachable instruction drivers/block/brd.o: warning: objtool: copy_to_brd()+0x2e: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x44: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x68: unreachable instruction drivers/ata/libata-core.o: warning: objtool: ata_sg_setup()+0x3f: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x128: unreachable instruction fs/ext4/extents_status.o: warning: objtool: __es_insert_extent()+0xfb: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0x92: unreachable instruction fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x2f: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x29: unreachable instruction fs/fscache/object-list.o: warning: objtool: fscache_objlist_add()+0x3a: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x198: unreachable instruction fs/exofs/inode.o: warning: objtool: writepage_strip()+0x33: unreachable instruction fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0x5e: unreachable instruction fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x2b: 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] crypto/drbg.o: warning: objtool: drbg_async_seed()+0x4d: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x1e: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x234: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_iomap_alloc.isra.24()+0x4d: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x28: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0xb8: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x45: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0x126: unreachable instruction fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x24: unreachable instruction fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x3f: unreachable instruction fs/ext4/ialloc.o: warning: objtool: __ext4_new_inode()+0x998: unreachable instruction fs/ext4/page-io.o: warning: objtool: ext4_release_io_end()+0x16: unreachable instruction fs/hfs/btree.o: warning: objtool: hfs_btree_open()+0x79: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x1fa: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x32: unreachable instruction fs/gfs2/dir.o: warning: objtool: dir_make_exhash()+0x75: unreachable instruction block/blk-core.o: warning: objtool: blk_dequeue_request()+0x1e: unreachable instruction fs/ext4/mballoc.o: warning: objtool: mb_find_buddy()+0x11: unreachable instruction fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x3d: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x29c: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x2a: unreachable instruction fs/ext4/xattr.o: warning: objtool: ext4_xattr_block_csum.isra.13()+0xf5: unreachable instruction fs/ext4/namei.o: warning: objtool: ext4_dx_csum()+0xa6: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x47: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_block_tag_csum_set()+0xe7: unreachable instruction fs/btrfs/inode.o: warning: objtool: __btrfs_del_delalloc_inode()+0xac: unreachable instruction fs/jbd2/transaction.o: warning: objtool: jbd2_journal_file_inode()+0x95: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x22: unreachable instruction fs/ext4/inode.o: warning: objtool: ext4_block_write_begin()+0x45: unreachable instruction fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x29: unreachable instruction fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x25: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_descriptor_block_csum_verify()+0x8a: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: end_bio_extent_buffer_writepage()+0x3d: 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/jffs2/nodelist.o: warning: objtool: jffs2_link_node_ref()+0x18: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0x67: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x6b: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x4ad: unreachable instruction fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x56: unreachable instruction fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x3f: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x1a: 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] drivers/hwtracing/intel_th/msu.o: warning: objtool: msc_buffer_win_alloc()+0x92: unreachable instruction fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x1b3: unreachable instruction fs/gfs2/aops.o: warning: objtool: gfs2_releasepage()+0x77: unreachable instruction /kisskb/src/sound/core/pcm_iec958.c: In function 'create_iec958_consumer': /kisskb/src/sound/core/pcm_iec958.c:80:9: warning: 'ws' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/delayed-ref.o: warning: objtool: insert_delayed_ref()+0x26d: unreachable instruction fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x550: unreachable instruction fs/jffs2/readinode.o: warning: objtool: jffs2_get_inode_nodes()+0x262: 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/jbd2/journal.o: warning: objtool: get_slab()+0x23: unreachable instruction fs/jfs/jfs_xtree.o: warning: objtool: xtTruncate()+0x7a: unreachable instruction fs/gfs2/quota.o: warning: objtool: gfs2_write_buf_to_page()+0x79: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x244: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: __btrfs_remove_delayed_item()+0x28: unreachable instruction fs/btrfs/backref.o: warning: objtool: add_missing_keys()+0x41: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x35: 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] fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x2c: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_setup_recheck_block()+0x166: unreachable instruction fs/jffs2/gc.o: warning: objtool: jffs2_garbage_collect_pass()+0x1a8: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_alloc_extent()+0x4a: unreachable instruction /kisskb/src/lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x2a: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_group_desc_csum()+0x119: unreachable instruction fs/btrfs/relocation.o: warning: objtool: create_reloc_root()+0x41: unreachable instruction drivers/ide/ide-io.o: warning: objtool: start_request()+0x1c: unreachable instruction fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x59: unreachable instruction fs/jffs2/debug.o: warning: objtool: __jffs2_dbg_acct_sanity_check_nolock()+0x8d: unreachable instruction fs/btrfs/send.o: warning: objtool: read_symlink()+0xd8: unreachable instruction fs/jffs2/wbuf.o: warning: objtool: jffs2_incore_replace_raw.isra.5()+0x19: unreachable instruction fs/jffs2/xattr.o: warning: objtool: save_xattr_datum()+0x38: unreachable instruction fs/jfs/jfs_metapage.o: warning: objtool: metapage_invalidatepage()+0x14: unreachable instruction fs/btrfs/check-integrity.o: warning: objtool: btrfsic_block_link_hashtable_lookup()+0x36: unreachable instruction drivers/ide/ide-probe.o: warning: objtool: ide_unregister()+0x18: unreachable instruction fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0x7a: 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] fs/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x203: 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/ntfs/attrib.o: warning: objtool: ntfs_attr_lookup()+0x1e: unreachable instruction fs/ntfs/collate.o: warning: objtool: ntfs_collate()+0x1f: can't find jump dest instruction at .text+0xc8 fs/jfs/jfs_txnmgr.o: warning: objtool: LogSyncRelease()+0x38: unreachable instruction fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x32: unreachable instruction lib/list_debug.o: warning: objtool: __list_add_valid()+0x20: unreachable instruction fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0x8c: unreachable instruction fs/orangefs/orangefs-mod.o: warning: objtool: orangefs_exit()+0x5a: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x38: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.4()+0xf6: unreachable instruction fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x46: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0x92: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0x3e: unreachable instruction fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x19: unreachable instruction fs/ntfs/index.o: warning: objtool: ntfs_index_lookup()+0x49: 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 drivers/ide/ide-disk.o: warning: objtool: ide_do_rw_disk()+0x1d: unreachable instruction drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_build_cmd()+0x26: unreachable instruction drivers/gpu/drm/ttm/ttm_tt.o: warning: objtool: ttm_tt_swapout()+0x25: unreachable instruction fs/ntfs/inode.o: warning: objtool: ntfs_destroy_extent_inode()+0x15: unreachable instruction drivers/mtd/chips/cfi_cmdset_0020.o: warning: objtool: do_write_buffer()+0x42a: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0x8d: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x21: unreachable instruction drivers/gpu/drm/ttm/ttm_bo.o: warning: objtool: ttm_bo_release_list()+0x2a: unreachable instruction fs/quota/dquot.o: warning: objtool: dqput()+0x66: unreachable instruction drivers/mtd/chips/cfi_cmdset_0002.o: warning: objtool: do_panic_write_oneword()+0x77: unreachable instruction drivers/misc/ad525x_dpot.o: warning: objtool: dpot_write_spi()+0x88: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x19: unreachable instruction fs/ntfs/runlist.o: warning: objtool: ntfs_runlists_merge()+0x316: unreachable instruction fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0xd4: unreachable instruction drivers/ide/ide-tape.o: warning: objtool: idetape_do_request()+0x2f: unreachable instruction drivers/mtd/chips/cfi_cmdset_0001.o: warning: objtool: inval_cache_and_wait_for_operation()+0x162: unreachable instruction drivers/mfd/wm8994-core.o: warning: objtool: wm8994_device_init.isra.11()+0xc1: unreachable instruction fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock()+0x38: unreachable instruction fs/ntfs/super.o: warning: objtool: ntfs_fill_super()+0x166: unreachable instruction block/mq-deadline.o: warning: objtool: __dd_dispatch_request()+0x96: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x3f: unreachable instruction fs/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x41: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x30: unreachable instruction fs/reiserfs/namei.o: warning: objtool: linear_search_in_dir_item()+0x92: unreachable instruction drivers/mmc/host/mtk-sd.o: warning: objtool: msdc_drv_probe()+0x2cf: 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] fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x43: unreachable instruction drivers/platform/chrome/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x48: unreachable instruction drivers/platform/chrome/cros_ec_spi.o: warning: objtool: cros_ec_spi_receive_packet()+0x1b: unreachable instruction drivers/gpu/drm/virtio/virtgpu_vq.o: warning: objtool: virtio_gpu_get_vbuf.isra.3()+0x3f: unreachable instruction fs/ufs/balloc.o: warning: objtool: ufs_change_blocknr()+0x5a: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0x15: unreachable instruction drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_probe()+0x172: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x185: unreachable instruction fs/ufs/super.o: warning: objtool: ufs_show_options()+0x3a: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x18: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x25: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x5d: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x5d: unreachable instruction fs/dcache.o: warning: objtool: d_instantiate_new()+0x1a: unreachable instruction fs/seq_file.o: warning: objtool: seq_escape()+0x20: unreachable instruction drivers/mtd/lpddr/qinfo_probe.o: warning: objtool: lpddr_info_query()+0x115: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x121: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0x9b: unreachable instruction drivers/uio/uio_pruss.o: warning: objtool: pruss_probe()+0x11b: unreachable instruction drivers/mtd/maps/nettel.o: warning: objtool: nettel_init()+0x549: can't find jump dest instruction at .init.text+0x54d drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x47: unreachable instruction /kisskb/src/fs/splice.c: In function '__se_sys_vmsplice': /kisskb/src/fs/splice.c:1358:22: warning: 'type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/splice.c:1351:6: note: 'type' was declared here drivers/mtd/lpddr/lpddr_cmds.o: warning: objtool: wait_for_ready()+0x97: unreachable instruction drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x4c: unreachable instruction drivers/scsi/scsi_lib.o: warning: objtool: scsi_init_io()+0x109: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0xbd: unreachable instruction fs/mpage.o: warning: objtool: __mpage_writepage()+0x8b: 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] fs/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x2c: unreachable instruction fs/direct-io.o: warning: objtool: do_direct_IO()+0x1ed: unreachable instruction fs/buffer.o: warning: objtool: cont_expand_zero()+0x150: unreachable instruction fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x3d: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x19c: unreachable instruction fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x3c: unreachable instruction drivers/gpu/drm/drm_mm.o: warning: objtool: drm_mm_remove_node()+0x26: unreachable instruction fs/aio.o: warning: objtool: aio_nr_sub()+0x20: unreachable instruction drivers/mtd/nand/raw/nand_bbt.o: warning: objtool: verify_bbt_descr()+0x2d: unreachable instruction fs/locks.o: warning: objtool: locks_free_lock()+0x18: 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] drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x17: unreachable instruction fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.26()+0x3f: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xa2: unreachable instruction drivers/mtd/nand/raw/nand_base.o: warning: objtool: nand_fill_oob()+0x79: unreachable instruction /kisskb/src/drivers/mtd/ubi/eba.c: In function 'try_write_vid_and_data': /kisskb/src/drivers/mtd/ubi/eba.c:1001:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/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] /kisskb/src/drivers/staging/comedi/drivers/dt282x.c: In function 'dt282x_ns_to_timer': /kisskb/src/drivers/staging/comedi/drivers/dt282x.c:389:5: warning: 'divider' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/dt282x.c:394:16: warning: 'base' may be used uninitialized in this function [-Wuninitialized] drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x41: unreachable instruction drivers/mtd/mtdconcat.o: warning: objtool: concat_erase()+0x122: unreachable instruction drivers/video/fbdev/ocfb.o: warning: objtool: ocfb_probe()+0x173: unreachable instruction drivers/staging/erofs/inode.o: warning: objtool: fill_inline_data()+0x2f: unreachable instruction /kisskb/src/drivers/staging/erofs/data.c: In function 'erofs_raw_access_readpages': /kisskb/src/drivers/staging/erofs/data.c:209:15: warning: 'last_block' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/erofs/data.c:342:14: note: 'last_block' was declared here drivers/staging/erofs/data.o: warning: objtool: erofs_map_blocks_flatmode()+0x87: unreachable instruction drivers/staging/erofs/namei.o: warning: objtool: erofs_lookup()+0x23: unreachable instruction drivers/staging/erofs/utils.o: warning: objtool: erofs_allocpage()+0x6d: unreachable instruction drivers/staging/erofs/xattr.o: warning: objtool: inline_xattr_iter_begin()+0x40: unreachable instruction drivers/staging/speakup/varhandlers.o: warning: objtool: spk_get_var()+0xc: unreachable instruction Completed OK # rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64 # Build took: 0:01:31.256633

© Michael Ellerman 2006-2018.