# git rev-parse -q --verify 880584176ed7875117a5ba76cf316cb60f7ad30b^{commit}
880584176ed7875117a5ba76cf316cb60f7ad30b
already have revision, skipping fetch
# git checkout -q -f -B kisskb 880584176ed7875117a5ba76cf316cb60f7ad30b
# git clean -qxdf
# < git log -1
# commit 880584176ed7875117a5ba76cf316cb60f7ad30b
# Merge: c734b42583bc 1c9b357ced0b
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Dec 1 11:36:32 2018 -0800
# 
#     Merge tag 'for-linus-20181201' of git://git.kernel.dk/linux-block
#     
#     Pull block layer fixes from Jens Axboe:
#     
#      - Single range elevator discard merge fix, that caused crashes (Ming)
#     
#      - Fix for a regression in O_DIRECT, where we could potentially lose the
#        error value (Maximilian Heyne)
#     
#      - NVMe pull request from Christoph, with little fixes all over the map
#        for NVMe.
#     
#     * tag 'for-linus-20181201' of git://git.kernel.dk/linux-block:
#       block: fix single range discard merge
#       nvme-rdma: fix double freeing of async event data
#       nvme: flush namespace scanning work just before removing namespaces
#       nvme: warn when finding multi-port subsystems without multipathing enabled
#       fs: fix lost error code in dio_complete
#       nvme-pci: fix surprise removal
#       nvme-fc: initialize nvme_req(rq)->ctrl after calling __nvme_fc_init_request()
#       nvme: Free ctrl device name on init failure
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < git log --format=%s --max-count=1 880584176ed7875117a5ba76cf316cb60f7ad30b
# < make -s -j 80 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  randconfig
KCONFIG_SEED=0xEDC5CEFA
# Added to kconfig CONFIG_STANDALONE=y
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n
# Added to kconfig CONFIG_GCC_PLUGINS=n
# Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n
# Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n
# Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n
# yes \n | make -s -j 80 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 80 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  
kernel/dma/mapping.o: warning: objtool: dma_common_get_sgtable()+0x56: unreachable instruction
/kisskb/src/arch/x86/net/bpf_jit_comp.c: In function 'bpf_int_jit_compile':
/kisskb/src/arch/x86/net/bpf_jit_comp.c:1178:19: warning: 'proglen' may be used uninitialized in this function [-Wuninitialized]
arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0xb: unreachable instruction
arch/x86/mm/init.o: warning: objtool: init_mem_mapping()+0x1d6: unreachable instruction
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
kernel/dma/direct.o: warning: objtool: dma_direct_map_sg()+0x2a: unreachable instruction
arch/x86/mm/init_64.o: warning: objtool: sync_global_pgds_l4()+0x63: unreachable instruction
arch/x86/mm/fault.o: warning: objtool: vmalloc_fault()+0x105: unreachable instruction
kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xa2: unreachable instruction
arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x20: unreachable instruction
arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x9a: unreachable instruction
arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0xf: unreachable instruction
arch/x86/mm/ioremap.o: warning: objtool: __early_set_fixmap()+0xa: unreachable instruction
/kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap':
/kisskb/src/arch/x86/kernel/e820.c:650:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized]
arch/x86/kernel/quirks.o: warning: objtool: force_hpet_resume()+0x28: unreachable instruction
arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x25: 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/alternative.o: warning: objtool: apply_paravirt()+0x21: unreachable instruction
/kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq':
/kisskb/src/arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized]
arch/x86/mm/physaddr.o: warning: objtool: __phys_addr()+0x40: unreachable instruction
kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0xf: unreachable instruction
crypto/api.o: warning: objtool: __crypto_alloc_tfm()+0x3d: unreachable instruction
mm/shmem.o: warning: objtool: shmem_writepage()+0x42: unreachable instruction
kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x16: unreachable instruction
arch/x86/kernel/machine_kexec_64.o: warning: objtool: arch_kexec_kernel_image_load()+0x45: unsupported stack register modification
mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.11()+0x76: unreachable instruction
mm/vmscan.o: warning: objtool: __remove_mapping()+0x49: unreachable instruction
arch/x86/kernel/cpu/common.o: warning: objtool: cpu_init()+0x1dc: unreachable instruction
arch/x86/mm/pageattr.o: warning: objtool: __cpa_flush_all()+0x1c: unreachable instruction
arch/x86/mm/tlb.o: warning: objtool: do_flush_tlb_all()+0x18: unreachable instruction
block/bio.o: warning: objtool: bio_split()+0x16: unreachable instruction
ipc/sem.o: warning: objtool: find_alloc_undo()+0x251: unreachable instruction
mm/gup.o: warning: objtool: get_user_pages_locked()+0x3b: unreachable instruction
crypto/scatterwalk.o: warning: objtool: scatterwalk_ffwd()+0x50: unreachable instruction
/kisskb/src/ipc/shm.c: In function 'ksys_shmdt':
/kisskb/src/ipc/shm.c:1686:59: warning: 'file' may be used uninitialized in this function [-Wuninitialized]
crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x2c: unreachable instruction
kernel/exit.o: warning: objtool: release_task()+0x90: unreachable instruction
mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x4c: unreachable instruction
fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x6f: unreachable instruction
block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x2d: unreachable instruction
security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x2b: unreachable instruction
crypto/rsa-pkcs1pad.o: warning: objtool: pkcs1pad_sg_set_buf()+0x35: unreachable instruction
block/elevator.o: warning: objtool: __elv_add_request()+0x20a: unreachable instruction
fs/crypto/crypto.o: warning: objtool: fscrypt_do_page_crypto()+0x5e: unreachable instruction
block/blk-merge.o: warning: objtool: __blk_bios_map_sg()+0x19f: unreachable instruction
kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0x45: unreachable instruction
kernel/sched/rt.o: warning: objtool: _pick_next_task_rt()+0x2d: unreachable instruction
kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xf1: unreachable instruction
kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x15: unreachable instruction
mm/vmalloc.o: warning: objtool: vb_free()+0x18: unreachable instruction
mm/memory.o: warning: objtool: vmf_insert_pfn_prot()+0x29: unreachable instruction
kernel/cred.o: warning: objtool: __put_cred()+0x8: unreachable instruction
mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x19: unreachable instruction
crypto/ccm.o: warning: objtool: crypto_rfc4309_crypt()+0x15b: unreachable instruction
kernel/workqueue.o: warning: objtool: workqueue_init_early()+0x89: unreachable instruction
mm/mmu_notifier.o: warning: objtool: mmu_notifier_unregister()+0x13: unreachable instruction
block/blk-core.o: warning: objtool: blk_dequeue_request()+0x19: unreachable instruction
kernel/kexec_file.o: warning: objtool: arch_kexec_kernel_image_load()+0x1d: unsupported stack register modification
block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x13: unreachable instruction
kernel/audit_watch.o: warning: objtool: audit_watch_handle_event()+0x21: unreachable instruction
mm/swapfile.o: warning: objtool: swap_count_continued()+0x35: unreachable instruction
kernel/audit_fsnotify.o: warning: objtool: audit_mark_handle_event()+0x22: unreachable instruction
mm/migrate.o: warning: objtool: buffer_migrate_page()+0x3c: unreachable instruction
crypto/drbg.o: warning: objtool: drbg_async_seed()+0x48: unreachable instruction
crypto/testmgr.o: warning: objtool: test_akcipher_one()+0x1c8: unreachable instruction
crypto/af_alg.o: warning: objtool: af_alg_pull_tsgl()+0x70: unreachable instruction
mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x28: unreachable instruction
crypto/chacha20poly1305.o: warning: objtool: poly_tail()+0x52: unreachable instruction
mm/zsmalloc.o: warning: objtool: zs_page_migrate()+0x1c1: unreachable instruction
kernel/module.o: warning: objtool: frob_ro_after_init()+0x10: unreachable instruction
mm/slab.o: warning: objtool: cache_free_debugcheck()+0x5f: unreachable instruction
block/mq-deadline.o: warning: objtool: __dd_dispatch_request()+0x9a: unreachable instruction
drivers/ata/libata-core.o: warning: objtool: ata_qc_issue()+0x15f: unreachable instruction
kernel/seccomp.o: warning: objtool: seccomp_set_mode_strict()+0x32: unreachable instruction
fs/ext4/bitmap.o: warning: objtool: ext4_inode_bitmap_csum_verify()+0x8c: unreachable instruction
fs/f2fs/inline.o: warning: objtool: f2fs_convert_inline_page()+0x2ec: unreachable instruction
block/cfq-iosched.o: warning: objtool: cfq_should_idle()+0x2b: unreachable instruction
/kisskb/src/block/bfq-iosched.c: In function 'bfq_exit_icq_bfqq':
/kisskb/src/block/bfq-iosched.c:4190:11: warning: 'bfqd' may be used uninitialized in this function [-Wuninitialized]
arch/x86/power/hibernate.o: warning: objtool: relocate_restore_code()+0x1a8: unreachable instruction
fs/f2fs/inode.o: warning: objtool: f2fs_inode_chksum()+0x14d: unreachable instruction
fs/ext4/extents_status.o: warning: objtool: __es_insert_extent()+0xf6: unreachable instruction
fs/f2fs/xattr.o: warning: objtool: __f2fs_setxattr()+0x683: unreachable instruction
fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0xe1: unreachable instruction
drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x24: unreachable instruction
drivers/block/brd.o: warning: objtool: brd_insert_page()+0x9a: unreachable instruction
fs/f2fs/recovery.o: warning: objtool: check_index_in_prev_nodes()+0x48: unreachable instruction
fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0x77: unreachable instruction
fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x2e: unreachable instruction
fs/fuse/dev.o: warning: objtool: fuse_copy_fill()+0x55: unreachable instruction
fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x24: unreachable instruction
fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x1f: unreachable instruction
fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x63: unreachable instruction
crypto/tcrypt.o: warning: objtool: sg_init_aead()+0x138: unreachable instruction
fs/f2fs/file.o: warning: objtool: fill_zero()+0xd0: unreachable instruction
fs/f2fs/node.o: warning: objtool: __move_free_nid()+0x19: unreachable instruction
fs/f2fs/checkpoint.o: warning: objtool: commit_checkpoint()+0xa9: unreachable instruction
drivers/block/xen-blkback/blkback.o: warning: objtool: free_persistent_gnts()+0x92: unreachable instruction
fs/jbd2/recovery.o: warning: objtool: jbd2_descriptor_block_csum_verify()+0xa6: unreachable instruction
drivers/block/xen-blkback/xenbus.o: warning: objtool: xen_blkif_disconnect()+0x174: unreachable instruction
drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0x9a: unreachable instruction
fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x53: unreachable instruction
fs/jbd2/commit.o: warning: objtool: jbd2_block_tag_csum_set()+0x10e: unreachable instruction
drivers/block/aoe/aoeblk.o: warning: objtool: aoedisk_add_debugfs()+0x44: unreachable instruction
fs/ext4/ialloc.o: warning: objtool: __ext4_new_inode()+0xcf0: unreachable instruction
fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x20: unreachable instruction
fs/ext4/ioctl.o: warning: objtool: reset_inode_seed()+0xbf: unreachable instruction
lib/scatterlist.o: warning: objtool: __sg_alloc_table_from_pages()+0x16e: unreachable instruction
fs/jbd2/transaction.o: warning: objtool: jbd2_journal_file_inode()+0x99: unreachable instruction
fs/ext4/page-io.o: warning: objtool: ext4_finish_bio()+0xc2: 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/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x34: unreachable instruction
lib/kfifo.o: warning: objtool: setup_sgl_buf()+0x13d: unreachable instruction
lib/list_debug.o: warning: objtool: __list_del_entry_valid()+0x3d: unreachable instruction
fs/f2fs/data.o: warning: objtool: __submit_merged_bio()+0x1fd: unreachable instruction
fs/f2fs/segment.o: warning: objtool: __check_sit_bitmap()+0x51: unreachable instruction
fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x15: unreachable instruction
fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x26: unreachable instruction
drivers/block/null_blk_main.o: warning: objtool: null_init_queue()+0x10: unreachable instruction
lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x38: unreachable instruction
lib/genalloc.o: warning: objtool: gen_pool_free()+0x69: unreachable instruction
lib/syscall.o: warning: objtool: collect_syscall()+0x1c8: unreachable instruction
net/8021q/vlan.o: warning: objtool: unregister_vlan_dev()+0x48: unreachable instruction
fs/f2fs/super.o: warning: objtool: sanity_check_raw_super()+0x68: unreachable instruction
fs/ext4/xattr.o: warning: objtool: ext4_xattr_block_csum()+0xf2: unreachable instruction
fs/ext4/namei.o: warning: objtool: ext4_dirent_csum()+0x23: unreachable instruction
drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_vunmap()+0x38: unreachable instruction
fs/ext4/inode.o: warning: objtool: ext4_inode_csum()+0x1a8: unreachable instruction
fs/jbd2/journal.o: warning: objtool: get_slab()+0x21: 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]
drivers/block/aoe/aoedev.o: warning: objtool: freedev()+0x1c6: unreachable instruction
fs/ext4/mballoc.o: warning: objtool: mb_find_buddy()+0xc: unreachable instruction
fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x49c: 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/dma/dw/core.o: warning: objtool: dwc_free_chan_resources()+0x32: unreachable instruction
lib/kobject.o: warning: objtool: create_dir()+0x90: unreachable instruction
drivers/dma/mediatek/mtk-hsdma.o: warning: objtool: mtk_hsdma_alloc_pchan()+0x50: unreachable instruction
drivers/base/devres.o: warning: objtool: remove_nodes.isra.3()+0xf1: unreachable instruction
lib/plist.o: warning: objtool: plist_requeue()+0x21: unreachable instruction
fs/jfs/jfs_xtree.o: warning: objtool: xtTruncate()+0x54: unreachable instruction
lib/radix-tree.o: warning: objtool: radix_tree_tag_set()+0x30: 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]
drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0xe: unreachable instruction
fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0x8a: unreachable instruction
lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x244: unreachable instruction
drivers/dma/sh/shdma-base.o: warning: objtool: __ld_cleanup()+0x7c: unreachable instruction
fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x17: unreachable instruction
/kisskb/src/fs/proc/inode.c: In function 'proc_reg_open':
/kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c:341:21: note: 'pdeo' was declared here
fs/notify/inotify/inotify_user.o: warning: objtool: inotify_idr_find_locked()+0x10: unreachable instruction
fs/ntfs/collate.o: warning: objtool: ntfs_collate()+0x27: can't find jump dest instruction at .text+0x10b
fs/ntfs/attrib.o: warning: objtool: ntfs_attr_find_in_attrdef()+0x1b: unreachable instruction
fs/jfs/jfs_metapage.o: warning: objtool: metapage_invalidatepage()+0x15: unreachable instruction
fs/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x157: unreachable instruction
fs/jfs/jfs_txnmgr.o: warning: objtool: LogSyncRelease()+0x1c: unreachable instruction
/kisskb/src/drivers/hwspinlock/hwspinlock_core.c: In function 'of_hwspin_lock_get_id':
/kisskb/src/drivers/hwspinlock/hwspinlock_core.c:328:6: warning: 'id' may be used uninitialized in this function [-Wuninitialized]
drivers/hwspinlock/hwspinlock_core.o: warning: objtool: __hwspin_unlock()+0x13: unreachable instruction
fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0x9c: unreachable instruction
net/bluetooth/af_bluetooth.o: warning: objtool: bt_sock_reclassify_lock()+0x10: unreachable instruction
fs/ext4/super.o: warning: objtool: ext4_superblock_csum()+0x19: unreachable instruction
kernel/trace/trace_syscalls.o: warning: objtool: ftrace_syscall_enter()+0x169: unreachable instruction
fs/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x34: 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:938:23: warning: 'high_mem_addr' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/dma/sh/rcar-dmac.c:937:23: warning: 'high_dev_addr' may be used uninitialized in this function [-Wuninitialized]
drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x35: unreachable instruction
fs/ntfs/index.o: warning: objtool: ntfs_index_lookup()+0x44: unreachable instruction
drivers/dma/sh/rcar-dmac.o: warning: objtool: rcar_dmac_map_slave_addr()+0x8f: unreachable instruction
drivers/ide/ide-io.o: warning: objtool: start_request()+0x17: unreachable instruction
fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0x101: unreachable instruction
fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x41: unreachable instruction
drivers/hwtracing/intel_th/msu.o: warning: objtool: msc_buffer_win_alloc()+0x91: unreachable instruction
drivers/dma/ep93xx_dma.o: warning: objtool: ep93xx_dma_free_chan_resources()+0x2d: unreachable instruction
fs/ntfs/file.o: warning: objtool: ntfs_attr_extend_initialized()+0x36: unreachable instruction
drivers/ide/ide-probe.o: warning: objtool: ide_unregister()+0x13: unreachable instruction
fs/quota/dquot.o: warning: objtool: dqput()+0x2f: unreachable instruction
fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x4a: unreachable instruction
fs/ntfs/inode.o: warning: objtool: ntfs_init_locked_inode()+0x6d: unreachable instruction
drivers/dma/mxs-dma.o: warning: objtool: mxs_dma_alloc_chan_resources()+0x3b: unreachable instruction
fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x3b: unreachable instruction
drivers/memstick/core/mspro_block.o: warning: objtool: h_mspro_block_transfer_data()+0x162: unreachable instruction
fs/ntfs/mft.o: warning: objtool: ntfs_mft_bitmap_extend_allocation_nolock()+0x635: unreachable instruction
drivers/dma/timb_dma.o: warning: objtool: td_free_chan_resources()+0x2d: unreachable instruction
drivers/net/caif/caif_spi.o: warning: objtool: cfspi_init()+0xe4: unreachable instruction
fs/reiserfs/namei.o: warning: objtool: linear_search_in_dir_item()+0xb6: unreachable instruction
drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_merge_status()+0x32: unreachable instruction
fs/ntfs/super.o: warning: objtool: check_mft_mirror()+0x2d: unreachable instruction
fs/ntfs/runlist.o: warning: objtool: ntfs_runlists_merge()+0x4a9: unreachable instruction
fs/ntfs/logfile.o: warning: objtool: ntfs_check_and_load_restart_page()+0x7c: unreachable instruction
fs/ntfs/lcnalloc.o: warning: objtool: ntfs_cluster_alloc()+0x36: unreachable instruction
fs/proc/array.o: warning: objtool: proc_task_name()+0x3a: unreachable instruction
fs/ntfs/bitmap.o: warning: objtool: __ntfs_bitmap_set_bits_in_run()+0x28: unreachable instruction
fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0x104: 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/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x58: unreachable instruction
net/core/skbuff.o: warning: objtool: skb_pull_rcsum()+0x14: unreachable instruction
drivers/mmc/core/sdio_ops.o: warning: objtool: mmc_io_rw_extended()+0x1c9: unreachable instruction
fs/exec.o: warning: objtool: de_thread()+0x38e: unreachable instruction
net/decnet/dn_rules.o: warning: objtool: dn_fib_rules_init()+0x3f: unreachable instruction
fs/namei.o: warning: objtool: follow_down()+0x26: unreachable instruction
fs/file.o: warning: objtool: expand_fdtable()+0x86: unreachable instruction
net/key/af_key.o: warning: objtool: pfkey_send_new_mapping()+0x157: unreachable instruction
fs/dcache.o: warning: objtool: __d_rehash()+0x82: unreachable instruction
fs/inode.o: warning: objtool: clear_inode()+0x21: unreachable instruction
fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock()+0x34: unreachable instruction
fs/seq_file.o: warning: objtool: seq_dentry()+0x20: unreachable instruction
net/rfkill/core.o: warning: objtool: rfkill_init_sw_state()+0x11: unreachable instruction
drivers/i2c/busses/i2c-stm32.o: warning: objtool: stm32_i2c_prep_dma_xfer()+0x7e: 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/mmc/host/sdhci.o: warning: objtool: sdhci_setup_host()+0x1cf: unreachable instruction
drivers/ide/ide-disk.o: warning: objtool: ide_do_rw_disk()+0x1c: unreachable instruction
net/wimax/op-rfkill.o: warning: objtool: __wimax_rf_toggle_radio()+0x3e: unreachable instruction
fs/buffer.o: warning: objtool: buffer_check_dirty_writeback()+0x48: unreachable instruction
net/unix/garbage.o: warning: objtool: unix_inflight()+0x4d: unreachable instruction
fs/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x19: unreachable instruction
net/wimax/id-table.o: warning: objtool: wimax_id_table_add()+0x13: unreachable instruction
net/wimax/op-msg.o: warning: objtool: wimax_msg_send()+0x39: unreachable instruction
net/wimax/op-reset.o: warning: objtool: wimax_reset()+0x3b: unreachable instruction
net/wimax/op-state-get.o: warning: objtool: wimax_gnl_doit_state_get()+0x12: unreachable instruction
fs/direct-io.o: warning: objtool: do_direct_IO()+0x1e3: unreachable instruction
fs/block_dev.o: warning: objtool: blkdev_get()+0xe8: unreachable instruction
net/netlink/genetlink.o: warning: objtool: genl_validate_assign_mc_groups()+0xa9: unreachable instruction
fs/mpage.o: warning: objtool: __mpage_writepage()+0x86: unreachable instruction
drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_sg_init()+0x66: unreachable instruction
drivers/remoteproc/remoteproc_core.o: warning: objtool: rproc_alloc_carveout()+0x40: unreachable instruction
drivers/misc/ad525x_dpot.o: warning: objtool: dpot_write_spi()+0x8c: unreachable instruction
drivers/mmc/host/mtk-sd.o: warning: objtool: msdc_drv_probe()+0x3eb: unreachable instruction
drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0xc: unreachable instruction
net/wimax/stack.o: warning: objtool: wimax_dev_add()+0x27: unreachable instruction
net/core/flow_dissector.o: warning: objtool: skb_flow_dissector_init()+0x22: unreachable instruction
/kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list':
/kisskb/src/net/core/dev.c:3379:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized]
drivers/platform/chrome/cros_ec_spi.o: warning: objtool: cros_ec_spi_receive_packet()+0x16: unreachable instruction
drivers/net/ppp/ppp_mppe.o: warning: objtool: setup_sg()+0x1b: unreachable instruction
drivers/platform/chrome/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x43: unreachable instruction
fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x28: unreachable instruction
drivers/net/usb/smsc75xx.o: warning: objtool: smsc75xx_write_eeprom()+0x20: unreachable instruction
fs/dax.o: warning: objtool: dax_unlock_entry()+0x12: unreachable instruction
net/core/dev.o: warning: objtool: rollback_registered_many()+0x25: unreachable instruction
drivers/mmc/host/renesas_sdhi_sys_dmac.o: warning: objtool: renesas_sdhi_sys_dmac_start_dma_tx()+0xc8: unreachable instruction
drivers/mtd/mtdconcat.o: warning: objtool: concat_erase()+0x11d: unreachable instruction
drivers/scsi/device_handler/scsi_dh_alua.o: warning: objtool: alua_rtpg()+0x468: unreachable instruction
drivers/net/wimax/i2400m/op-rfkill.o: warning: objtool: i2400m_op_rfkill_sw_toggle()+0x2a: unreachable instruction
net/xfrm/xfrm_policy.o: warning: objtool: xfrm_create_dummy_bundle()+0x88: unreachable instruction
drivers/net/usb/usbnet.o: warning: objtool: build_dma_sg()+0x99: unreachable instruction
drivers/net/wimax/i2400m/fw.o: warning: objtool: i2400m_bcf_hdr_find()+0x2c: unreachable instruction
fs/aio.o: warning: objtool: aio_migratepage()+0xad: unreachable instruction
drivers/ide/ide-tape.o: warning: objtool: idetape_do_request()+0x2a: unreachable instruction
drivers/mmc/host/uniphier-sd.o: warning: objtool: uniphier_sd_external_dma_start()+0x72: unreachable instruction
drivers/mmc/host/sh_mmcif.o: warning: objtool: sh_mmcif_next_block()+0x26: unreachable instruction
fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x201: unreachable instruction
drivers/net/ppp/pppoe.o: warning: objtool: pppoe_flush_dev()+0x10b: unreachable instruction
drivers/net/wimax/i2400m/control.o: warning: objtool: i2400m_report_tlv_system_state.isra.5()+0x24: unreachable instruction
drivers/net/wimax/i2400m/driver.o: warning: objtool: __i2400m_dev_stop()+0x1f: unreachable instruction
net/core/filter.o: warning: objtool: bpf_msg_pull_data()+0x2a1: unreachable instruction
drivers/net/usb/smsc95xx.o: warning: objtool: smsc95xx_write_eeprom()+0x20: unreachable instruction
drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x17b: unreachable instruction
drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x4b: unreachable instruction
/kisskb/src/drivers/staging/comedi/drivers/pcl818.c: In function 'pcl818_ai_cmd':
/kisskb/src/drivers/staging/comedi/drivers/pcl818.c:337:6: warning: 'last_chan' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/staging/comedi/drivers/pcl818.c:347:15: note: 'last_chan' was declared here
drivers/uio/uio_pruss.o: warning: objtool: pruss_probe()+0x115: unreachable instruction
drivers/vhost/vringh.o: warning: objtool: vringh_getdesc_user()+0x197: unreachable instruction
net/core/rtnetlink.o: warning: objtool: rtnl_unregister()+0x10: unreachable instruction
drivers/mmc/host/omap_hsmmc.o: warning: objtool: omap_hsmmc_request()+0x15: unreachable instruction
drivers/net/wimax/i2400m/netdev.o: warning: objtool: i2400m_netdev_setup()+0x10: unreachable instruction
drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x58: unreachable instruction
drivers/net/xen-netback/netback.o: warning: objtool: xenvif_handle_frag_list()+0x84: unreachable instruction
drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_ex_discover_expander()+0xd2: unreachable instruction
drivers/xen/events/events_base.o: warning: objtool: pirq_from_irq()+0xd: unreachable instruction
drivers/net/wimax/i2400m/tx.o: warning: objtool: i2400m_tx_msg_sent()+0x23: unreachable instruction
fs/locks.o: warning: objtool: locks_free_lock()+0x19: unreachable instruction
drivers/net/wimax/i2400m/rx.o: warning: objtool: __i2400m_roq_queue()+0x32: unreachable instruction
drivers/uwb/i1480/dfu/usb.o: warning: objtool: i1480_usb_read()+0x22: unreachable instruction
/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/virtio/virtio_ring.o: warning: objtool: vring_map_one_sg()+0x67: unreachable instruction
drivers/net/xen-netfront.o: warning: objtool: xennet_tx_buf_gc()+0x2f: unreachable instruction
drivers/net/xen-netback/xenbus.o: warning: objtool: set_backend_state()+0x67: unreachable instruction
fs/mbcache.o: warning: objtool: mb_cache_entry_delete()+0x97: unreachable instruction
drivers/net/wimax/i2400m/usb-rx.o: warning: objtool: i2400mu_rx_size_grow()+0x35: unreachable instruction
fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.22()+0x4f: unreachable instruction
/kisskb/src/drivers/net/xen-netback/hash.c: In function 'xenvif_find_hash':
/kisskb/src/drivers/net/xen-netback/hash.c:118:6: warning: 'val' may be used uninitialized in this function [-Wuninitialized]
drivers/target/iscsi/iscsi_target.o: warning: objtool: iscsit_do_crypto_hash_buf()+0x8b: unreachable instruction
drivers/spi/spi-ep93xx.o: warning: objtool: ep93xx_spi_dma_prepare()+0x19f: unreachable instruction
drivers/scsi/osst.o: warning: objtool: enlarge_buffer()+0x102: unreachable instruction
drivers/net/wimax/i2400m/usb-fw.o: warning: objtool: i2400mu_bus_bm_cmd_send()+0x30: unreachable instruction
drivers/net/wimax/i2400m/usb-tx.o: warning: objtool: i2400mu_tx()+0x2e: unreachable instruction
drivers/net/wimax/i2400m/usb-notif.o: warning: objtool: i2400mu_notification_grok()+0x2a: unreachable instruction
drivers/spi/spi-pic32-sqi.o: warning: objtool: ring_desc_ring_alloc()+0x39: unreachable instruction
drivers/net/wimax/i2400m/usb.o: warning: objtool: i2400mu_reset_resume()+0x1e: unreachable instruction
drivers/net/xen-netback/interface.o: warning: objtool: xenvif_connect_data()+0x21: unreachable instruction
drivers/uwb/est.o: warning: objtool: uwb_est_get_size.isra.0()+0x3b: unreachable instruction
drivers/usb/dwc3/gadget.o: warning: objtool: dwc3_gadget_init()+0x15c: unreachable instruction
drivers/staging/most/dim2/dim2.o: warning: objtool: service_done_flag()+0x2b: unreachable instruction
drivers/xen/grant-table.o: warning: objtool: gnttab_map()+0x23: unreachable instruction
drivers/uwb/lc-dev.o: warning: objtool: uwb_dev_add()+0x18: unreachable instruction
drivers/video/fbdev/ocfb.o: warning: objtool: ocfb_probe()+0x175: unreachable instruction
drivers/target/target_core_transport.o: warning: objtool: transport_kmap_data_sg()+0x23: unreachable instruction
drivers/usb/core/hcd.o: warning: objtool: usb_hcd_map_urb_for_dma()+0x25c: unreachable instruction
drivers/spi/spi-fsl-dspi.o: warning: objtool: dspi_request_dma()+0x129: unreachable instruction
drivers/target/target_core_sbc.o: warning: objtool: compare_and_write_callback()+0x119: unreachable instruction
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.o: warning: objtool: cleanup_pagelistinfo()+0x41: unreachable instruction
drivers/xen/privcmd.o: warning: objtool: mmap_batch_fn()+0x6: unreachable instruction
drivers/xen/swiotlb-xen.o: warning: objtool: xen_swiotlb_map_sg_attrs()+0x2b: unreachable instruction
drivers/usb/host/xhci-mem.o: warning: objtool: scratchpad_alloc()+0x1f4: unreachable instruction
drivers/xen/xen-scsiback.o: warning: objtool: scsiback_fast_flush_area()+0x132: unreachable instruction
drivers/usb/misc/usbtest.o: warning: objtool: alloc_sglist()+0xe6: unreachable instruction
drivers/target/target_core_rd.o: warning: objtool: rd_allocate_sgl_table.isra.4()+0x10b: unreachable instruction
drivers/usb/core/devio.o: warning: objtool: proc_do_submiturb()+0x6a8: unreachable instruction
drivers/usb/wusbcore/dev-sysfs.o: warning: objtool: wusb_ck_store()+0x98: unreachable instruction
drivers/usb/wusbcore/crypto.o: warning: objtool: wusb_ccm_mac()+0x209: unreachable instruction
drivers/usb/wusbcore/devconnect.o: warning: objtool: wusb_dev_add_ncb()+0x3b: unreachable instruction
drivers/spi/spi-tegra20-slink.o: warning: objtool: tegra_slink_init_dma_param()+0x8e: unreachable instruction
drivers/target/target_core_pscsi.o: warning: objtool: pscsi_map_sg()+0x56: unreachable instruction
/kisskb/src/drivers/target/target_core_user.c: In function 'scatter_data_area':
/kisskb/src/drivers/target/target_core_user.c:662:29: warning: 'dbi' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/target/target_core_user.c:676:9: note: 'dbi' was declared here
drivers/usb/gadget/udc/mv_udc_core.o: warning: objtool: mv_udc_probe()+0x216: unreachable instruction
Completed OK
# rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64
# Build took: 0:02:25.825619