# git rev-parse -q --verify 247373b5dd685fd307d2ea7fd0e58353486e4ad4^{commit} 247373b5dd685fd307d2ea7fd0e58353486e4ad4 already have revision, skipping fetch # git checkout -q -f -B kisskb 247373b5dd685fd307d2ea7fd0e58353486e4ad4 # git clean -qxdf # < git log -1 # commit 247373b5dd685fd307d2ea7fd0e58353486e4ad4 # Merge: 8be673735e51 02e425668f5c # Author: Greg Kroah-Hartman # Date: Fri Oct 5 15:40:57 2018 -0700 # # Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip # # Ingo writes: # "x86 fixes: # # Misc fixes: # # - fix various vDSO bugs: asm constraints and retpolines # - add vDSO test units to make sure they never re-appear # - fix UV platform TSC initialization bug # - fix build warning on Clang" # # * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: # x86/vdso: Fix vDSO syscall fallback asm constraint regression # x86/cpu/amd: Remove unnecessary parentheses # x86/vdso: Only enable vDSO retpolines when enabled and supported # x86/tsc: Fix UV TSC initialization # x86/platform/uv: Provide is_early_uv_system() # selftests/x86: Add clock_gettime() tests to test_vdso # x86/vdso: Fix asm constraints on vDSO syscall fallbacks # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 247373b5dd685fd307d2ea7fd0e58353486e4ad4 # < 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=0x25F940ED # 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- kernel/dma/mapping.o: warning: objtool: dma_common_get_sgtable()+0x75: unreachable instruction mm/filemap.o: warning: objtool: wake_up_page_bit()+0xf7: unreachable instruction security/keys/encrypted-keys/encrypted.o: warning: objtool: sg_set_page()+0xf: unreachable instruction arch/x86/mm/fault.o: warning: objtool: vmalloc_fault()+0x101: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0xf: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: sync_global_pgds()+0x10e: unreachable instruction crypto/api.o: warning: objtool: __crypto_alloc_tfm()+0x42: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x26: unreachable instruction mm/readahead.o: warning: objtool: __do_page_cache_readahead()+0x159: unreachable instruction mm/truncate.o: warning: objtool: truncate_cleanup_page()+0x6b: unreachable instruction mm/page-writeback.o: warning: objtool: __set_page_dirty_no_writeback()+0x2d: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: find_css_set()+0x18d: unreachable instruction /kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq': /kisskb/src/arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0xe: unreachable instruction kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xec: unreachable instruction mm/swap.o: warning: objtool: __page_cache_release()+0x8e: unreachable instruction kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x15: unreachable instruction kernel/power/suspend.o: warning: objtool: suspend_devices_and_enter()+0x30f: unreachable instruction crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x21: unreachable instruction fs/affs/file.o: warning: objtool: affs_get_extblock()+0x4c: unreachable instruction mm/util.o: warning: objtool: page_mapping()+0x35: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x2e: unreachable instruction mm/shmem.o: warning: objtool: shmem_radix_tree_replace()+0x1a: unreachable instruction mm/page_alloc.o: warning: objtool: set_page_refcounted()+0x1a: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x7b: unreachable instruction mm/vmscan.o: warning: objtool: move_active_pages_to_lru()+0x8b: unreachable instruction /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:185:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x13: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: force_hpet_resume()+0x30: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one()+0x74: unreachable instruction mm/workingset.o: warning: objtool: workingset_eviction()+0x50: unreachable instruction arch/x86/kernel/cpu/common.o: warning: objtool: cpu_init()+0x113: unreachable instruction mm/debug.o: warning: objtool: __dump_page()+0x95: unreachable instruction fs/affs/symlink.o: warning: objtool: affs_symlink_readpage()+0x237: 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/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x69: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x33: unreachable instruction mm/compaction.o: warning: objtool: isolate_migratepages_block()+0x2ac: unreachable instruction arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x2a: 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: text_poke()+0x25: unreachable instruction mm/gup.o: warning: objtool: page_cache_add_speculative()+0x18: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x1e: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x52: unreachable instruction mm/mprotect.o: warning: objtool: change_protection()+0x59: unreachable instruction mm/mlock.o: warning: objtool: __munlock_isolate_lru_page()+0x35: unreachable instruction mm/page_vma_mapped.o: warning: objtool: page_vma_mapped_walk()+0x92: unreachable instruction mm/pagewalk.o: warning: objtool: walk_page_vma()+0x24: unreachable instruction mm/mmap.o: warning: objtool: __vma_adjust()+0x3bb: unreachable instruction fs/befs/linuxvfs.o: warning: objtool: befs_symlink_readpage()+0xbc: unreachable instruction mm/memory.o: warning: objtool: __do_fault()+0x5c: unreachable instruction mm/vmalloc.o: warning: objtool: alloc_vmap_area.isra.26()+0x28: unreachable instruction mm/rmap.o: warning: objtool: page_referenced_one()+0xaf: unreachable instruction mm/page_io.o: warning: objtool: swap_set_page_dirty()+0x49: can't find jump dest instruction at .text+0xc43 fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x3d: unreachable instruction mm/madvise.o: warning: objtool: madvise_free_pte_range()+0x182: unreachable instruction fs/crypto/crypto.o: warning: objtool: sg_set_page()+0xf: unreachable instruction mm/swap_state.o: warning: objtool: __add_to_swap_cache()+0x39: unreachable instruction crypto/rsa-pkcs1pad.o: warning: objtool: pkcs1pad_sg_set_buf()+0x3c: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x127: unreachable instruction kernel/params.o: warning: objtool: param_sysfs_init()+0x144: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x1d: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0x76: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x18: unreachable instruction mm/page_isolation.o: warning: objtool: start_isolate_page_range()+0x25: unreachable instruction mm/hugetlb_cgroup.o: warning: objtool: hugetlb_cgroup_migrate()+0x2f: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0xc: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_task_rt()+0x5e: unreachable instruction mm/swapfile.o: warning: objtool: inc_cluster_info_page()+0x3b: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xbf: unreachable instruction mm/migrate.o: warning: objtool: page_hstate()+0x24: unreachable instruction block/blk-core.o: warning: objtool: __blk_put_request()+0xe6: unreachable instruction kernel/sched/deadline.o: warning: objtool: enqueue_task_dl()+0x53: unreachable instruction mm/slub.o: warning: objtool: __free_slab()+0xa7: unreachable instruction mm/zsmalloc.o: warning: objtool: create_page_chain()+0x42: unreachable instruction mm/hugetlb.o: warning: objtool: prep_compound_gigantic_page()+0x6b: unreachable instruction mm/page_idle.o: warning: objtool: page_idle_clear_pte_refs_one()+0x7b: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x2f: unreachable instruction crypto/testmgr.o: warning: objtool: sg_set_buf()+0x22: unreachable instruction mm/usercopy.o: warning: objtool: __check_object_size()+0xc6: unreachable instruction mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x33: unreachable instruction mm/memfd.o: warning: objtool: page_mapcount()+0x35: unreachable instruction fs/crypto/bio.o: warning: objtool: __fscrypt_decrypt_bio()+0x67: unreachable instruction kernel/kexec_core.o: warning: objtool: kimage_free_pages()+0x61: unreachable instruction /kisskb/src/mm/memcontrol.c: In function 'commit_charge': /kisskb/src/mm/memcontrol.c:2350:5: warning: 'isolated' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memcontrol.c:2364:6: note: 'isolated' was declared here crypto/ccm.o: warning: objtool: sg_set_buf()+0x22: unreachable instruction mm/memcontrol.o: warning: objtool: mem_cgroup_reset()+0x6b: unreachable instruction crypto/gcm.o: warning: objtool: sg_set_buf()+0x22: unreachable instruction block/blk-merge.o: warning: objtool: sg_set_page()+0xf: unreachable instruction fs/efs/symlink.o: warning: objtool: efs_symlink_readpage()+0x11e: unreachable instruction block/partition-generic.o: warning: objtool: read_dev_sector()+0x4a: unreachable instruction fs/dlm/lock.o: warning: objtool: add_lkb()+0x63: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0xb0: unreachable instruction fs/ext2/dir.o: warning: objtool: ext2_get_page()+0x68: unreachable instruction crypto/drbg.o: warning: objtool: drbg_seed()+0x96: unreachable instruction block/mq-deadline.o: warning: objtool: dd_dispatch_request()+0xa0: unreachable instruction block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x17: unreachable instruction block/blk-integrity.o: warning: objtool: blk_rq_map_integrity_sg()+0xe6: unreachable instruction fs/ext4/bitmap.o: warning: objtool: ext4_chksum()+0x1b: unreachable instruction crypto/algif_hash.o: warning: objtool: hash_sendpage()+0x5f: unreachable instruction block/blk-cgroup.o: warning: objtool: blkcg_print_stat()+0x55: unreachable instruction drivers/base/devres.o: warning: objtool: release_nodes()+0xc9: unreachable instruction crypto/af_alg.o: warning: objtool: sg_assign_page.isra.17()+0xf: 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/freevxfs/vxfs_bmap.o: warning: objtool: vxfs_bmap1()+0x286: unreachable instruction fs/f2fs/dir.o: warning: objtool: f2fs_delete_entry()+0x17d: unreachable instruction fs/ext4/extents_status.o: warning: objtool: ext4_es_find_delayed_extent_range()+0x21: unreachable instruction fs/f2fs/inode.o: warning: objtool: f2fs_chksum()+0x1b: 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/f2fs/inline.o: warning: objtool: clear_inline_node()+0x22: unreachable instruction fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0x52: unreachable instruction fs/freevxfs/vxfs_olt.o: warning: objtool: vxfs_read_olt()+0x2a: unreachable instruction /kisskb/src/fs/f2fs/node.c: In function '__set_nat_cache_dirty': /kisskb/src/fs/f2fs/node.c:265:17: warning: 'head' may be used uninitialized in this function [-Wuninitialized] fs/f2fs/gc.o: warning: objtool: set_cold_data()+0x22: unreachable instruction fs/f2fs/checkpoint.o: warning: objtool: f2fs_set_meta_page_dirty()+0x2c: unreachable instruction fs/f2fs/file.o: warning: objtool: f2fs_vm_page_mkwrite()+0x18d: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x271: unreachable instruction fs/f2fs/recovery.o: warning: objtool: f2fs_put_page()+0x4a: unreachable instruction fs/f2fs/super.o: warning: objtool: f2fs_put_page.constprop.42()+0x46: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0x41: unreachable instruction fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x23: unreachable instruction fs/ext4/ialloc.o: warning: objtool: ext4_chksum.constprop.23()+0x19: unreachable instruction fs/f2fs/node.o: warning: objtool: f2fs_set_node_page_dirty()+0x2c: unreachable instruction fs/f2fs/data.o: warning: objtool: __read_end_io()+0x3f: unreachable instruction fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x34: unreachable instruction fs/hugetlbfs/inode.o: warning: objtool: remove_huge_page()+0x2d: unreachable instruction fs/ext4/move_extent.o: warning: objtool: ext4_move_extents()+0x5ed: unreachable instruction fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x2a: unreachable instruction fs/ext4/readpage.o: warning: objtool: mpage_end_io()+0x5f: unreachable instruction fs/ext4/page-io.o: warning: objtool: ext4_finish_bio()+0x8b: unreachable instruction fs/isofs/rock.o: warning: objtool: rock_ridge_symlink_readpage()+0x32b: unreachable instruction fs/jbd2/transaction.o: warning: objtool: __jbd2_journal_temp_unlink_buffer()+0x17: unreachable instruction fs/ext4/resize.o: warning: objtool: ext4_flex_group_add()+0x4a: unreachable instruction fs/f2fs/segment.o: warning: objtool: f2fs_put_page()+0x3b: unreachable instruction fs/isofs/compress.o: warning: objtool: zisofs_readpage()+0x155: unreachable instruction fs/ext4/namei.o: warning: objtool: dx_insert_block()+0x2d: unreachable instruction lib/scatterlist.o: warning: objtool: sg_set_page()+0xf: unreachable instruction fs/ext4/mballoc.o: warning: objtool: mb_find_buddy()+0x10: unreachable instruction fs/jffs2/file.o: warning: objtool: jffs2_write_end()+0x80: unreachable instruction lib/kfifo.o: warning: objtool: sg_set_page()+0xf: unreachable instruction fs/ext4/inode.o: warning: objtool: __ext4_journalled_invalidatepage()+0x48: unreachable instruction fs/ext4/xattr.o: warning: objtool: ext4_chksum()+0x1b: unreachable instruction fs/hfs/btree.o: warning: objtool: hfs_btree_open()+0x90: unreachable instruction /kisskb/src/lib/rhashtable.c: In function 'rht_deferred_worker': /kisskb/src/lib/rhashtable.c:264:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c:229:28: note: 'next' was declared here lib/list_debug.o: warning: objtool: __list_add_valid()+0x23: unreachable instruction fs/jffs2/nodelist.o: warning: objtool: jffs2_link_node_ref()+0x1a: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_chksum()+0x1b: unreachable instruction lib/btree.o: warning: objtool: find_level()+0x75: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x3e: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_chksum()+0x1b: unreachable instruction lib/syscall.o: warning: objtool: collect_syscall()+0xf4: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0x4f: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_chksum()+0x1b: unreachable instruction fs/hfsplus/xattr.o: warning: objtool: __hfsplus_setxattr()+0x320: unreachable instruction net/core/sock.o: warning: objtool: sk_alloc_sg()+0x10a: unreachable instruction fs/jffs2/readinode.o: warning: objtool: check_tn_node()+0x2e: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x2a: unreachable instruction lib/dynamic_debug.o: warning: objtool: __dynamic_pr_debug()+0x22: unreachable instruction fs/jfs/namei.o: warning: objtool: jfs_rename()+0x31c: unreachable instruction fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x23: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x1b: unreachable instruction fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0x78: unreachable instruction lib/ioremap.o: warning: objtool: ioremap_page_range()+0x41: unreachable instruction lib/kobject.o: warning: objtool: kobject_add_internal()+0x1ac: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x1d: unreachable instruction net/ceph/messenger.o: warning: objtool: ceph_msg_data_next()+0x43: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x20: unreachable instruction fs/jffs2/gc.o: warning: objtool: jffs2_garbage_collect_pass()+0x181: unreachable instruction fs/ntfs/attrib.o: warning: objtool: ntfs_attr_lookup()+0x3b: unreachable instruction fs/notify/inotify/inotify_user.o: warning: objtool: inotify_idr_find_locked()+0x14: unreachable instruction net/ceph/mon_client.o: warning: objtool: __open_session()+0x24: unreachable instruction net/ceph/crypto.o: warning: objtool: ceph_aes_crypt.isra.5()+0x1dc: unreachable instruction fs/ntfs/collate.o: warning: objtool: ntfs_collate_ntofs_ulong()+0xb: unreachable instruction net/dccp/input.o: warning: objtool: dccp_enqueue_skb()+0x32: unreachable instruction fs/jbd2/journal.o: warning: objtool: get_slab()+0x13: unreachable instruction fs/jfs/jfs_xtree.o: warning: objtool: xtUpdate()+0x7b7: unreachable instruction fs/jffs2/debug.o: warning: objtool: __jffs2_dbg_acct_sanity_check_nolock()+0x98: unreachable instruction fs/ocfs2/cluster/heartbeat.o: warning: objtool: o2hb_queue_node_event()+0x10: unreachable instruction fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0x85: unreachable instruction fs/jffs2/xattr.o: warning: objtool: save_xattr_datum()+0x39: unreachable instruction net/ceph/osdmap.o: warning: objtool: crush_decode()+0x10ff: unreachable instruction fs/ocfs2/cluster/quorum.o: warning: objtool: o2quo_clear_hold.constprop.4()+0x18: unreachable instruction net/ceph/osd_client.o: warning: objtool: insert_request()+0x1b: unreachable instruction fs/jffs2/summary.o: warning: objtool: jffs2_sum_add_kvec()+0x162: unreachable instruction net/core/skbuff.o: warning: objtool: sg_set_page()+0xf: unreachable instruction net/l2tp/l2tp_core.o: warning: objtool: l2tp_session_queue_purge()+0x11: unreachable instruction fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x505: 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/quota/dquot.o: warning: objtool: dqput()+0x63: unreachable instruction /kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic': /kisskb/src/net/core/gen_stats.c:161:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x43: unreachable instruction fs/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x3a: unreachable instruction fs/notify/mark.o: warning: objtool: fsnotify_add_mark_locked()+0x36: unreachable instruction /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_unseal_trusted': /kisskb/src/drivers/char/tpm/tpm2-cmd.c:614:20: warning: 'blob_handle' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:665:6: note: 'blob_handle' was declared here fs/ntfs/index.o: warning: objtool: ntfs_index_ctx_put()+0x77: unreachable instruction fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0xd3: unreachable instruction fs/ocfs2/cluster/tcp.o: warning: objtool: o2net_set_nn_state()+0x35: unreachable instruction fs/orangefs/inode.o: warning: objtool: orangefs_invalidatepage()+0x3e: unreachable instruction fs/jfs/jfs_dmap.o: warning: objtool: dbFindBits()+0x39: unreachable instruction fs/ntfs/inode.o: warning: objtool: ntfs_init_locked_inode()+0x56: unreachable instruction drivers/crypto/ccree/cc_buffer_mgr.o: warning: objtool: dma_map_sg_attrs.constprop.14()+0x28: unreachable instruction fs/ntfs/mft.o: warning: objtool: map_mft_record()+0x43: unreachable instruction fs/ocfs2/dlmfs/userdlm.o: warning: objtool: user_unlock_ast()+0x74: unreachable instruction net/dccp/ccids/lib/tfrc_equation.o: warning: objtool: tfrc_calc_x()+0x1c: unreachable instruction fs/jfs/jfs_dtree.o: warning: objtool: add_index()+0x5d: unreachable instruction fs/jfs/jfs_metapage.o: warning: objtool: metapage_write_end_io()+0x25: unreachable instruction fs/orangefs/orangefs-mod.o: warning: objtool: orangefs_exit()+0x5d: unreachable instruction fs/reiserfs/do_balan.o: warning: objtool: balance_leaf()+0x71: unreachable instruction net/ipv6/ip6_output.o: warning: objtool: __ip6_append_data.isra.37()+0x602: unreachable instruction fs/udf/file.o: warning: objtool: udf_adinicb_writepage()+0x45: unreachable instruction fs/ntfs/runlist.o: warning: objtool: ntfs_are_rl_mergeable()+0xb: unreachable instruction fs/ufs/balloc.o: warning: objtool: ufs_new_fragments()+0x7aa: unreachable instruction net/core/flow_dissector.o: warning: objtool: skb_flow_dissector_init()+0x26: unreachable instruction fs/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x32c: unreachable instruction fs/jfs/jfs_txnmgr.o: warning: objtool: txUnlock()+0xc5: unreachable instruction fs/ntfs/super.o: warning: objtool: ntfs_fill_super()+0x16d: unreachable instruction fs/ocfs2/dlmfs/dlmfs.o: warning: objtool: dlmfs_get_inode()+0x90: unreachable instruction fs/squashfs/file.o: warning: objtool: squashfs_fill_page()+0x7c: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x2b: unreachable instruction fs/udf/inode.o: warning: objtool: udf_expand_file_adinicb()+0x126: unreachable instruction fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x3f: unreachable instruction fs/udf/symlink.o: warning: objtool: udf_symlink_filler()+0x223: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0xb: unreachable instruction net/ipv4/ip_output.o: warning: objtool: ip_do_fragment()+0x184: unreachable instruction fs/reiserfs/file.o: warning: objtool: reiserfs_commit_page()+0xcd: unreachable instruction fs/reiserfs/inode.o: warning: objtool: reiserfs_releasepage()+0x3c: unreachable instruction fs/orangefs/orangefs-bufmap.o: warning: objtool: orangefs_bufmap_initialize()+0x1ee: unreachable instruction fs/ufs/dir.o: warning: objtool: ufs_get_page()+0x55: unreachable instruction /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_fence': /kisskb/src/drivers/dma-buf/reservation.c:211:7: warning: 'k' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c:161:17: note: 'k' was declared here /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] fs/squashfs/symlink.o: warning: objtool: squashfs_symlink_readpage()+0x1e4: unreachable instruction /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3343:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] fs/ufs/inode.o: warning: objtool: ufs_setattr()+0x116: unreachable instruction net/ipv4/inet_connection_sock.o: warning: objtool: inet_child_forget()+0x99: unreachable instruction fs/pipe.o: warning: objtool: anon_pipe_buf_steal()+0x52: unreachable instruction net/unix/garbage.o: warning: objtool: unix_inflight()+0x50: unreachable instruction fs/ufs/util.o: warning: objtool: ufs_get_locked_page()+0xfe: unreachable instruction fs/exec.o: warning: objtool: flush_old_exec()+0x1f5: unreachable instruction net/sctp/sm_sideeffect.o: warning: objtool: sctp_do_sm()+0x199: unreachable instruction fs/ocfs2/alloc.o: warning: objtool: ocfs2_adjust_adjacent_records()+0x26: unreachable instruction net/wimax/id-table.o: warning: objtool: wimax_id_table_add()+0x1c: unreachable instruction net/core/dev.o: warning: objtool: gro_pull_from_frag0()+0x2b: unreachable instruction net/netlink/genetlink.o: warning: objtool: genl_register_family()+0x1a3: unreachable instruction fs/ufs/super.o: warning: objtool: ufs_show_options()+0x3d: unreachable instruction net/rds/connection.o: warning: objtool: rds_conn_destroy()+0x119: unreachable instruction fs/reiserfs/stree.o: warning: objtool: reiserfs_cut_from_item()+0x4c: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x17: unreachable instruction net/wimax/op-msg.o: warning: objtool: wimax_msg_send()+0x4b: unreachable instruction net/ipv6/ip6_fib.o: warning: objtool: fib6_add()+0x635: unreachable instruction /kisskb/src/net/ncsi/ncsi-manage.c: In function 'ncsi_configure_channel': /kisskb/src/net/ncsi/ncsi-manage.c:625:19: warning: 'vid' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/ncsi/ncsi-manage.c:587:6: note: 'vid' was declared here net/rds/info.o: warning: objtool: rds_info_register_func()+0x17: unreachable instruction fs/dcache.o: warning: objtool: hlist_bl_add_head_rcu()+0x23: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x25: unreachable instruction net/ipv4/tcp_output.o: warning: objtool: __pskb_trim_head()+0x35: unreachable instruction fs/file.o: warning: objtool: expand_files()+0x111: unreachable instruction net/rds/message.o: warning: objtool: sg_set_page()+0xf: unreachable instruction net/wimax/op-reset.o: warning: objtool: wimax_reset()+0x40: unreachable instruction fs/ocfs2/aops.o: warning: objtool: ocfs2_figure_cluster_boundaries()+0x44: unreachable instruction fs/reiserfs/xattr.o: warning: objtool: delete_one_xattr()+0x46: unreachable instruction fs/libfs.o: warning: objtool: simple_write_end()+0x6e: unreachable instruction net/ipv4/tcp_input.o: warning: objtool: tcp_shifted_skb()+0x31: unreachable instruction net/wimax/op-rfkill.o: warning: objtool: __wimax_rf_toggle_radio()+0x43: 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] fs/fs-writeback.o: warning: objtool: inode_switch_wbs_work_fn()+0xf0: unreachable instruction fs/reiserfs/journal.o: warning: objtool: release_buffer_page()+0x5d: unreachable instruction net/xfrm/xfrm_policy.o: warning: objtool: xfrm_policy_destroy()+0x15: unreachable instruction fs/ocfs2/buffer_head_io.o: warning: objtool: ocfs2_write_block()+0x21: unreachable instruction net/mac80211/aead_api.o: warning: objtool: sg_set_buf()+0x21: unreachable instruction net/wimax/op-state-get.o: warning: objtool: wimax_gnl_doit_state_get()+0x21: unreachable instruction /kisskb/src/drivers/fsi/fsi-master-ast-cf.c: In function 'dump_ucode_trace': /kisskb/src/drivers/fsi/fsi-master-ast-cf.c:459:5: warning: 'p' may be used uninitialized in this function [-Wuninitialized] net/core/filter.o: warning: objtool: bpf_msg_pull_data()+0x191: unreachable instruction net/ipv4/tcp_fastopen.o: warning: objtool: tcp_fastopen_add_skb()+0xe8: unreachable instruction fs/mpage.o: warning: objtool: clean_buffers()+0x1d: unreachable instruction fs/direct-io.o: warning: objtool: do_blockdev_direct_IO()+0x59b: unreachable instruction fs/ocfs2/dcache.o: warning: objtool: ocfs2_dentry_attach_lock()+0xbd: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0x219: unreachable instruction net/wimax/stack.o: warning: objtool: wimax_gnl_re_state_change_send()+0x30: unreachable instruction fs/buffer.o: warning: objtool: drop_buffers()+0x25: unreachable instruction net/rds/send.o: warning: objtool: rds_send_sndbuf_remove()+0x15: 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] fs/userfaultfd.o: warning: objtool: userfaultfd_ioctl()+0x2c5: unreachable instruction drivers/hwspinlock/hwspinlock_core.o: warning: objtool: __hwspin_trylock()+0x1b: unreachable instruction fs/mbcache.o: warning: objtool: mb_cache_entry_create()+0x11f: unreachable instruction fs/aio.o: warning: objtool: aio_migratepage()+0xcc: unreachable instruction drivers/crypto/atmel-aes.o: warning: objtool: dma_map_sg_attrs.constprop.25()+0x3b: unreachable instruction fs/ocfs2/dlmglue.o: warning: objtool: ocfs2_build_lock_name()+0x11: unreachable instruction drivers/crypto/qce/sha.o: warning: objtool: qce_ahash_update()+0x15b: unreachable instruction fs/iomap.o: warning: objtool: iomap_set_range_uptodate()+0xab: unreachable instruction fs/ocfs2/dir.o: warning: objtool: ocfs2_extend_dir()+0x71: unreachable instruction drivers/crypto/qce/ablkcipher.o: warning: objtool: dma_map_sg_attrs.constprop.7()+0x3b: unreachable instruction /kisskb/src/net/tipc/socket.c: In function 'tipc_recvmsg': /kisskb/src/net/tipc/socket.c:1694:27: warning: 'copy' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/sctp/output.c: In function 'sctp_packet_config': /kisskb/src/include/net/sock.h:1926:19: warning: 'sk' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/sctp/output.c:94:15: note: 'sk' was declared here net/ipv6/ah6.o: warning: objtool: sg_set_buf()+0x22: unreachable instruction fs/ocfs2/extent_map.o: warning: objtool: ocfs2_read_virt_blocks()+0x56: unreachable instruction net/ipv4/ping.o: warning: objtool: ping_getfrag()+0x21: unreachable instruction drivers/crypto/atmel-tdes.o: warning: objtool: dma_map_sg_attrs.constprop.29()+0x23: unreachable instruction drivers/crypto/img-hash.o: warning: objtool: img_hash_dma_task()+0x3d: unreachable instruction fs/ocfs2/file.o: warning: objtool: ocfs2_extend_allocation()+0x100: unreachable instruction net/rds/page.o: warning: objtool: sg_set_page()+0xf: unreachable instruction net/ipv4/ah4.o: warning: objtool: sg_set_buf()+0x22: unreachable instruction net/rds/rdma.o: warning: objtool: sg_set_page()+0xf: unreachable instruction net/ipv4/esp4.o: warning: objtool: esp_ssg_unref()+0x69: unreachable instruction fs/ocfs2/inode.o: warning: objtool: ocfs2_clear_inode()+0x87: unreachable instruction fs/ocfs2/localalloc.o: warning: objtool: ocfs2_claim_local_alloc_bits()+0x3d: unreachable instruction drivers/crypto/s5p-sss.o: warning: objtool: sg_set_page()+0xf: unreachable instruction fs/ocfs2/journal.o: warning: objtool: __ocfs2_journal_access()+0x3e: unreachable instruction fs/ocfs2/reservations.o: warning: objtool: ocfs2_resv_insert()+0x24: unreachable instruction net/xfrm/xfrm_ipcomp.o: warning: objtool: ipcomp_input()+0x5e: unreachable instruction net/rds/ib_cm.o: warning: objtool: rds_ib_cm_handle_connect()+0x2c5: unreachable instruction fs/ocfs2/move_extents.o: warning: objtool: ocfs2_move_extent()+0xbe: unreachable instruction fs/ocfs2/slot_map.o: warning: objtool: ocfs2_refresh_slot_info()+0x20: 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/ocfs2/sysfile.o: warning: objtool: ocfs2_get_system_file_inode()+0x36: unreachable instruction fs/ocfs2/uptodate.o: warning: objtool: ocfs2_remove_block_from_cache()+0x5e: unreachable instruction fs/ocfs2/stackglue.o: warning: objtool: ocfs2_stack_driver_put()+0x1e: unreachable instruction fs/ocfs2/stack_user.o: warning: objtool: ocfs2_control_write()+0x454: unreachable instruction drivers/ide/ide-io.o: warning: objtool: do_ide_request()+0x1de: unreachable instruction fs/ocfs2/namei.o: warning: objtool: ocfs2_rename()+0x1a1: unreachable instruction fs/ocfs2/filecheck.o: warning: objtool: ocfs2_filecheck_attr_store()+0x147: unreachable instruction net/rds/ib_send.o: warning: objtool: ib_dma_map_sg()+0x3b: unreachable instruction fs/ocfs2/suballoc.o: warning: objtool: ocfs2_block_group_search()+0x25: unreachable instruction fs/ocfs2/super.o: warning: objtool: ocfs2_dismount_volume()+0x1c: unreachable instruction fs/ocfs2/refcounttree.o: warning: objtool: ocfs2_remove_refcount_extent()+0x5c: unreachable instruction net/rds/ib_rdma.o: warning: objtool: rds_ib_add_conn()+0x39: unreachable instruction net/mac80211/aes_gmac.o: warning: objtool: sg_set_buf()+0x21: unreachable instruction drivers/i2c/busses/i2c-stm32.o: warning: objtool: stm32_i2c_prep_dma_xfer()+0x83: unreachable instruction drivers/ide/ide-probe.o: warning: objtool: ide_host_remove()+0x24: unreachable instruction fs/ocfs2/xattr.o: warning: objtool: ocfs2_xattr_bucket_copy_data()+0x1f: unreachable instruction /kisskb/src/net/mac80211/tx.c: In function 'ieee80211_build_hdr': /kisskb/src/net/mac80211/tx.c:2477:27: warning: 'chanctx_conf' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_rx_mgmt_beacon': /kisskb/src/net/mac80211/mlme.c:1511:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c:1468:6: note: 'pwr_level_cisco' was declared here net/mac80211/tx.o: warning: objtool: ieee80211_monitor_start_xmit()+0x28: unreachable instruction drivers/infiniband/core/rw.o: warning: objtool: ib_dma_map_sg()+0x3b: unreachable instruction /kisskb/src/drivers/mfd/tc3589x.c: In function 'tc3589x_probe': /kisskb/src/drivers/mfd/tc3589x.c:390:2: warning: 'version' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/adc/sc27xx_adc.c: In function 'sc27xx_adc_read_raw': /kisskb/src/drivers/iio/adc/sc27xx_adc.c:285:8: warning: 'tmp' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_build_cmd()+0x25: unreachable instruction drivers/mfd/wm8994-core.o: warning: objtool: wm8994_i2c_probe()+0x2db: unreachable instruction drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_attach()+0x9d: unreachable instruction drivers/infiniband/core/iwcm.o: warning: objtool: iwcm_deref_id()+0x1a: unreachable instruction /kisskb/src/drivers/input/touchscreen/hideep.c: In function 'hideep_update_fw': /kisskb/src/drivers/input/touchscreen/hideep.c:633:3: warning: 'error' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/touchscreen/hideep.c:605:6: note: 'error' was declared here drivers/infiniband/ulp/iser/iser_memory.o: warning: objtool: iser_dma_map_task_data()+0x5f: unreachable instruction /kisskb/src/drivers/iio/temperature/mlx90632.c: In function 'mlx90632_read_raw': /kisskb/src/drivers/iio/temperature/mlx90632.c:472:39: warning: 'object_old_raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/temperature/mlx90632.c:429:56: note: 'object_old_raw' was declared here /kisskb/src/drivers/iio/temperature/mlx90632.c:472:39: warning: 'object_new_raw' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/temperature/mlx90632.c:429:40: note: 'object_new_raw' was declared here drivers/mtd/mtdconcat.o: warning: objtool: concat_erase()+0x120: unreachable instruction /kisskb/src/drivers/platform/x86/dell-laptop.c: In function 'kbd_led_level_get': /kisskb/src/drivers/platform/x86/dell-laptop.c:1980:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/infiniband/ulp/srpt/ib_srpt.o: warning: objtool: srpt_queue_response()+0x2a: unreachable instruction drivers/mtd/nand/raw/nand_bbt.o: warning: objtool: verify_bbt_descr()+0x2c: unreachable instruction drivers/mtd/nand/raw/tango_nand.o: warning: objtool: do_dma()+0x72: unreachable instruction drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_sg_init()+0x6d: unreachable instruction drivers/scsi/fcoe/fcoe_transport.o: warning: objtool: fcoe_get_paged_crc_eof()+0x70: unreachable instruction drivers/mtd/nand/raw/nand_base.o: warning: objtool: nand_fill_oob()+0x6d: unreachable instruction /kisskb/src/drivers/mtd/ubi/eba.c: In function 'try_write_vid_and_data': /kisskb/src/drivers/mtd/ubi/eba.c:1001:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized] drivers/mtd/nand/raw/sunxi_nand.o: warning: objtool: sunxi_nfc_dma_op_prepare()+0x69: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x5b: unreachable instruction drivers/scsi/libfc/fc_libfc.o: warning: objtool: fc_fc4_conf_lport_params()+0xb: unreachable instruction drivers/tty/serial/8250/8250_core.o: warning: objtool: univ8250_release_irq()+0x6d: unreachable instruction drivers/target/tcm_fc/tfc_io.o: warning: objtool: ft_queue_data_in()+0x64: unreachable instruction drivers/scsi/device_handler/scsi_dh_alua.o: warning: objtool: alua_rtpg_work()+0x52b: unreachable instruction In file included from /kisskb/src/drivers/rtc/rtc-da9052.c:21:0: /kisskb/src/include/linux/mfd/da9052/da9052.h: In function 'da9052_group_read': /kisskb/src/include/linux/mfd/da9052/da9052.h:157:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0xf8: unreachable instruction drivers/video/fbdev/core/fb_defio.o: warning: objtool: fb_deferred_io_fault()+0x61: unreachable instruction drivers/scsi/libfc/fc_fcp.o: warning: objtool: fc_fcp_recv()+0x517: unreachable instruction drivers/vhost/vhost.o: warning: objtool: log_write()+0x67: unreachable instruction drivers/target/iscsi/iscsi_target.o: warning: objtool: sg_set_buf()+0x22: unreachable instruction drivers/uwb/est.o: warning: objtool: uwb_est_find_size()+0x10b: unreachable instruction drivers/staging/erofs/inode.o: warning: objtool: erofs_iget()+0x123: unreachable instruction drivers/staging/erofs/data.o: warning: objtool: read_endio()+0x32: unreachable instruction drivers/staging/erofs/namei.o: warning: objtool: erofs_namei()+0xf7: unreachable instruction drivers/uwb/lc-dev.o: warning: objtool: uwb_dev_add()+0x1b: unreachable instruction drivers/staging/erofs/utils.o: warning: objtool: erofs_allocpage()+0x6b: unreachable instruction drivers/staging/erofs/unzip_vle_lz4.o: warning: objtool: z_erofs_vle_unzip_fast_percpu()+0xfc: unreachable instruction drivers/staging/erofs/unzip_lz4.o: warning: objtool: z_erofs_unzip_lz4()+0x2b8: unreachable instruction drivers/staging/erofs/xattr.o: warning: objtool: inline_xattr_iter_begin()+0x3d: unreachable instruction drivers/target/target_core_sbc.o: warning: objtool: sg_set_page()+0xf: unreachable instruction drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_add_parent_port()+0x3c: unreachable instruction drivers/staging/erofs/unzip_vle.o: warning: objtool: vle_get_logical_extent_head()+0xe3: 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/video/fbdev/omap2/omapfb/dss/dss.o: warning: objtool: dss_select_dsi_clk_source()+0x20: unreachable instruction drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x59: unreachable instruction drivers/target/target_core_rd.o: warning: objtool: rd_allocate_sgl_table.isra.12()+0x113: unreachable instruction drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x39: unreachable instruction /kisskb/src/drivers/target/target_core_user.c: In function 'scatter_data_area': /kisskb/src/drivers/target/target_core_user.c:662:29: warning: 'dbi' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/target/target_core_user.c:676:9: note: 'dbi' was declared here drivers/scsi/scsi_lib.o: warning: objtool: scsi_init_io()+0x10a: 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:1318:2: warning: 'drv' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/imx.o: warning: objtool: sg_set_buf()+0x22: unreachable instruction drivers/scsi/virtio_scsi.o: warning: objtool: virtscsi_queuecommand()+0x37: unreachable instruction drivers/tty/serial/mxs-auart.o: warning: objtool: dma_map_sg_attrs.constprop.26()+0x36: unreachable instruction drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.o: warning: objtool: vchiq_prepare_bulk_data()+0x45: unreachable instruction drivers/staging/speakup/varhandlers.o: warning: objtool: spk_get_var()+0xb: unreachable instruction drivers/scsi/libiscsi_tcp.o: warning: objtool: iscsi_tcp_segment_map.part.9()+0x1e: unreachable instruction drivers/scsi/scsi_transport_fc.o: warning: objtool: fc_bsg_dispatch()+0x76: unreachable instruction drivers/video/fbdev/omap2/omapfb/dss/dispc.o: warning: objtool: DISPC_CONV_COEF_OFFSET()+0x11: unreachable instruction drivers/scsi/libiscsi.o: warning: objtool: __iscsi_conn_send_pdu()+0xe1: unreachable instruction drivers/scsi/scsi_transport_iscsi.o: warning: objtool: iscsi_unregister_transport()+0x11: unreachable instruction drivers/scsi/osst.o: warning: objtool: sg_set_page.constprop.18()+0xf: unreachable instruction /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(); } ^~~~~~~~~~~~~~~~~~~~~~~~~~~ Completed OK # rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64 # Build took: 0:01:47.235895