Buildresult: linus-rand/x86_64-randconfig/x86_64-gcc4.6 built on Dec 10 2018, 14:09

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Status:	OK
Date/Time:	Dec 10 2018, 14:09
Duration:	0:02:48.973401
Builder:	ka4
Revision:	Linux 4.20-rc6 (`40e020c129cfc991e8ab4736d2665351ffd1468d)`
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 (352) arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x25: unreachable instruction arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] fs/9p/vfs_file.o: warning: objtool: v9fs_file_do_lock()+0x2c: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x2e: unreachable instruction fs/afs/callback.o: warning: objtool: afs_break_callbacks()+0x6a: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: __init_extra_mapping()+0x68: unreachable instruction fs/ceph/inode.o: warning: objtool: splice_dentry()+0x1a: unreachable instruction fs/afs/cell.o: warning: objtool: afs_manage_cells()+0xf8: unreachable instruction arch/x86/kvm/x86.c:1863:11: warning: 'v' may be used uninitialized in this function [-Wuninitialized] mm/vmscan.o: warning: objtool: __remove_mapping()+0x29: unreachable instruction fs/ceph/dir.o: warning: objtool: ceph_readdir()+0x522: unreachable instruction arch/x86/kernel/cpu/common.o: warning: objtool: cpu_init()+0x155: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x31: unreachable instruction fs/ceph/file.o: warning: objtool: ceph_aio_complete_req()+0x3e: unreachable instruction mm/shmem.o: warning: objtool: shmem_writepage()+0x25: unreachable instruction fs/ceph/locks.o: warning: objtool: ceph_lock_wait_for_completion()+0x26: unreachable instruction fs/afs/dynroot.c:126:6: warning: 'len' may be used uninitialized in this function [-Wuninitialized] fs/ceph/addr.o: warning: objtool: ceph_set_page_dirty()+0x65: unreachable instruction fs/afs/file.o: warning: objtool: afs_page_filler()+0x70: unreachable instruction crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x30: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0xe6: unreachable instruction fs/afs/flock.o: warning: objtool: afs_do_setlk()+0x1cc: unreachable instruction kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xeb: unreachable instruction crypto/asymmetric_keys/asym_tpm.o: warning: objtool: tpm_key_verify_signature()+0x34: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x233: unreachable instruction arch/x86/kvm/mmu.o: warning: objtool: __pte_list_remove()+0x24: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x68: unreachable instruction fs/afs/fsclient.o: warning: objtool: afs_deliver_fs_fetch_data()+0x1be: unreachable instruction fs/ceph/caps.o: warning: objtool: __mark_caps_flushing()+0x35: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x114: unreachable instruction crypto/async_tx/async_tx.o: warning: objtool: async_tx_submit()+0x37: unreachable instruction fs/ceph/mds_client.o: warning: objtool: insert_request()+0x1b: unreachable instruction crypto/async_tx/async_pq.o: warning: objtool: do_sync_gen_syndrome()+0x53: unreachable instruction mm/gup.o: warning: objtool: get_gate_page()+0xa0: unreachable instruction fs/afs/rotate.o: warning: objtool: afs_select_fileserver()+0x718: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x19c: unreachable instruction fs/afs/rxrpc.o: warning: objtool: afs_put_call()+0x6e: unreachable instruction crypto/api.o: warning: objtool: __crypto_alloc_tfm()+0x42: unreachable instruction mm/memory.o: warning: objtool: vmf_insert_pfn_prot()+0x2d: unreachable instruction fs/afs/server.o: warning: objtool: afs_manage_servers()+0x105: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x1d: unreachable instruction fs/btrfs/inode.o: warning: objtool: run_delalloc_nocow()+0x469: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x33: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0xe: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x1e4: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0xf: unreachable instruction fs/crypto/crypto.o: warning: objtool: fscrypt_do_page_crypto()+0x82: unreachable instruction fs/afs/vl_rotate.o: warning: objtool: afs_select_vlserver()+0x425: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x3a: unreachable instruction fs/afs/write.o: warning: objtool: afs_write_back_from_locked_page()+0x6c: unreachable instruction mm/vmalloc.o: warning: objtool: vb_free()+0x1e: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x20c: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x6e: unreachable instruction kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] fs/afs/yfsclient.o: warning: objtool: yfs_deliver_fs_fetch_data64()+0x19a: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x13: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: __set_extent_bit()+0xab: unreachable instruction kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0xe: unreachable instruction fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x3e: unreachable instruction arch/x86/kvm/svm.o: warning: objtool: svm_cache_reg()+0x19: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x2c: unreachable instruction mm/swapfile.o: warning: objtool: swap_count_continued.isra.51()+0x33: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x4ac: unreachable instruction mm/mmu_notifier.o: warning: objtool: do_mmu_notifier_register()+0x20: unreachable instruction arch/x86/kernel/e820.c:652:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] mm/ksm.c:1395:15: warning: 'found_rmap_hlist_len' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x2b: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: force_hpet_resume()+0x30: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_task_rt()+0x5c: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x1d: unreachable instruction mm/slub.o: warning: objtool: early_kmem_cache_node_alloc()+0x1d: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x25: unreachable instruction arch/x86/kernel/hw_breakpoint.c:366:18: warning: 'align' may be used uninitialized in this function [-Wuninitialized] mm/zsmalloc.o: warning: objtool: zs_map_object()+0x25: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0xfe: unreachable instruction fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x17a: unreachable instruction mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x29: unreachable instruction block/blk-core.o: warning: objtool: blk_dequeue_request()+0x1f: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0xa7: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x2a: unreachable instruction drivers/block/drbd/drbd_bitmap.o: warning: objtool: bm_realloc_pages()+0x27: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x2f: unreachable instruction fs/btrfs/relocation.o: warning: objtool: select_reloc_root()+0x49: unreachable instruction kernel/exit.o: warning: objtool: forget_original_parent()+0x88: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: btrfs_release_delayed_item()+0x2c: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_repair_page_from_good_copy()+0x2e: unreachable instruction drivers/block/drbd/drbd_receiver.o: warning: objtool: __drbd_alloc_pages.isra.51()+0x1d: unreachable instruction fs/btrfs/backref.o: warning: objtool: add_missing_keys()+0x38: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x2c: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.6()+0xb6: unreachable instruction fs/btrfs/send.o: warning: objtool: read_symlink()+0xbe: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x18: unreachable instruction fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x58: unreachable instruction fs/dlm/lock.o: warning: objtool: add_lkb()+0x62: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0x6f: unreachable instruction drivers/block/aoe/aoeblk.o: warning: objtool: aoedisk_add_debugfs()+0x47: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0x4c: unreachable instruction block/bounce.o: warning: objtool: init_emergency_isa_pool()+0x46: unreachable instruction block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x17: unreachable instruction drivers/block/aoe/aoedev.o: warning: objtool: freedev()+0x1a5: unreachable instruction block/mq-deadline.o: warning: objtool: dd_exit_queue()+0x17: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0xc: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0x88: unreachable instruction kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x25: unreachable instruction fs/ext4/bitmap.o: warning: objtool: ext4_chksum.isra.1()+0x14: unreachable instruction drivers/block/null_blk_main.o: warning: objtool: null_init_queue()+0x14: unreachable instruction drivers/char/tpm/tpm-sysfs.c:37:16: warning: 'tpm_buf.data' may be used uninitialized in this function [-Wuninitialized] fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x2a: unreachable instruction kernel/seccomp.o: warning: objtool: seccomp_attach_filter()+0x73: unreachable instruction fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0x4e: unreachable instruction fs/ext4/ialloc.o: warning: objtool: ext4_chksum.isra.30.constprop.31()+0x12: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0x44: unreachable instruction drivers/crypto/ccree/cc_buffer_mgr.o: warning: objtool: dma_map_sg_attrs.constprop.26()+0x2c: unreachable instruction fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x34: unreachable instruction crypto/drbg.o: warning: objtool: drbg_async_seed()+0x55: unreachable instruction lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] fs/ext4/inode.o: warning: objtool: ext4_da_page_release_reservation()+0x2f: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x28: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x271: unreachable instruction lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0xb: unreachable instruction drivers/dma-buf/reservation.c:211:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] fs/ext4/ioctl.o: warning: objtool: ext4_chksum.isra.23.constprop.24()+0x12: unreachable instruction fs/f2fs/inode.o: warning: objtool: f2fs_chksum()+0x1b: unreachable instruction net/9p/trans_virtio.o: warning: objtool: pack_sg_list_p.constprop.14()+0x25: unreachable instruction fs/ext4/mballoc.o: warning: objtool: ext4_mb_get_buddy_page_lock()+0x7c: unreachable instruction fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x23: unreachable instruction fs/f2fs/super.o: warning: objtool: __f2fs_crc32.isra.54()+0x14: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x46: unreachable instruction fs/ext4/namei.o: warning: objtool: dx_insert_block()+0x2d: unreachable instruction fs/f2fs/checkpoint.o: warning: objtool: f2fs_crc32()+0x16: unreachable instruction fs/ext4/page-io.o: warning: objtool: ext4_release_io_end()+0x17: unreachable instruction fs/gfs2/bmap.c:921:18: warning: 'height' may be used uninitialized in this function [-Wuninitialized] fs/gfs2/bmap.c:916:7: warning: 'len' may be used uninitialized in this function [-Wuninitialized] fs/fuse/dev.o: warning: objtool: fuse_copy_fill.part.32()+0x49: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_indirect_init()+0x3d: unreachable instruction fs/f2fs/node.c:264:17: warning: 'head' may be used uninitialized in this function [-Wuninitialized] fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x1e: unreachable instruction fs/f2fs/node.o: warning: objtool: f2fs_truncate_inode_blocks()+0x114: unreachable instruction fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x3b: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x26: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x52: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_chksum.isra.49()+0x14: unreachable instruction net/bluetooth/rfcomm/tty.o: warning: objtool: __rfcomm_dev_add()+0x1e3: unreachable instruction fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x24: unreachable instruction fs/ext4/xattr.o: warning: objtool: ext4_chksum.isra.17()+0x14: unreachable instruction net/bluetooth/af_bluetooth.o: warning: objtool: bt_sock_reclassify_lock()+0xb: unreachable instruction fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x57: unreachable instruction fs/jbd2/transaction.o: warning: objtool: __jbd2_journal_temp_unlink_buffer()+0x18: unreachable instruction fs/gfs2/aops.o: warning: objtool: gfs2_releasepage()+0x62: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_chksum.isra.24()+0x14: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_chksum.isra.3()+0x14: unreachable instruction fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x23: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x1d: unreachable instruction fs/gfs2/quota.o: warning: objtool: gfs2_write_buf_to_page()+0x74: unreachable instruction fs/jbd2/journal.o: warning: objtool: get_slab()+0x13: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_free_extlen()+0x79: unreachable instruction fs/jfs/jfs_xtree.o: warning: objtool: xtTruncate()+0x87: unreachable instruction fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x2c: unreachable instruction fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x512: unreachable instruction fs/jfs/jfs_metapage.o: warning: objtool: metapage_invalidatepage()+0x12: unreachable instruction lib/rhashtable.c:264:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] fs/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x142: unreachable instruction fs/jfs/jfs_txnmgr.o: warning: objtool: txUnlock()+0x84: unreachable instruction fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x29: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0x6d: unreachable instruction 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_trylock()+0x13: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x3e: unreachable instruction lib/list_debug.o: warning: objtool: __list_add_valid()+0x23: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0x2e: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x2e: unreachable instruction fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock.isra.30()+0x29: unreachable instruction lib/syscall.o: warning: objtool: collect_syscall()+0xf4: unreachable instruction lib/lru_cache.o: warning: objtool: __lc_find()+0xd: unreachable instruction fs/ocfs2/dlmfs/userdlm.o: warning: objtool: user_unlock_ast()+0x9b: unreachable instruction fs/ocfs2/cluster/heartbeat.o: warning: objtool: o2hb_register_callback()+0x1c: unreachable instruction fs/ocfs2/dlmfs/dlmfs.o: warning: objtool: dlmfs_get_inode()+0x90: unreachable instruction lib/oid_registry.o: warning: objtool: sprint_OID()+0xe: unreachable instruction fs/ocfs2/cluster/quorum.o: warning: objtool: o2quo_hb_up()+0x81: unreachable instruction net/ceph/messenger.o: warning: objtool: con_out_kvec_skip()+0x41: unreachable instruction fs/ocfs2/cluster/tcp.o: warning: objtool: o2net_set_nn_state()+0x70: unreachable instruction drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x18: unreachable instruction net/ceph/mon_client.o: warning: objtool: __open_session()+0x1c: unreachable instruction net/core/skbuff.o: warning: objtool: __skb_to_sgvec()+0x126: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x51: unreachable instruction fs/ocfs2/alloc.o: warning: objtool: ocfs2_adjust_adjacent_records()+0x26: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0x93: unreachable instruction net/core/gen_stats.c:161:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] net/ceph/osd_client.o: warning: objtool: _osd_req_op_init()+0x22: unreachable instruction fs/ocfs2/aops.o: warning: objtool: ocfs2_populate_write_desc()+0xe7: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x1b: unreachable instruction fs/ocfs2/buffer_head_io.o: warning: objtool: ocfs2_write_block()+0x1a: unreachable instruction lib/radix-tree.o: warning: objtool: radix_tree_insert()+0x21: unreachable instruction fs/ocfs2/dcache.o: warning: objtool: ocfs2_dentry_attach_lock()+0xb7: unreachable instruction fs/quota/dquot.o: warning: objtool: dqput()+0x56: unreachable instruction net/ceph/osdmap.o: warning: objtool: insert_choose_arg_map()+0x18: unreachable instruction net/core/flow_dissector.o: warning: objtool: skb_flow_dissector_init()+0x26: unreachable instruction fs/ocfs2/dir.o: warning: objtool: ocfs2_delete_entry_dx()+0x63: unreachable instruction fs/ocfs2/dlmglue.o: warning: objtool: ocfs2_build_lock_name()+0x16: unreachable instruction fs/ocfs2/extent_map.o: warning: objtool: ocfs2_read_virt_blocks()+0x56: unreachable instruction net/core/dev.c:3384:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] net/core/dev.o: warning: objtool: skb_checksum_help()+0x8c: unreachable instruction fs/ocfs2/file.o: warning: objtool: ocfs2_write_zero_page()+0x32: unreachable instruction net/dccp/input.o: warning: objtool: dccp_enqueue_skb()+0x32: unreachable instruction fs/ocfs2/inode.o: warning: objtool: ocfs2_clear_inode()+0x87: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x16: unreachable instruction fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0xe1: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xa3: unreachable instruction drivers/infiniband/core/rw.o: warning: objtool: ib_dma_map_sg.isra.16()+0x23: unreachable instruction fs/ocfs2/journal.o: warning: objtool: __ocfs2_journal_access()+0x3e: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x29: unreachable instruction fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x41: unreachable instruction drivers/gpu/drm/drm_atomic.c:412:38: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] net/core/rtnetlink.o: warning: objtool: rtnl_register_internal()+0x2b: unreachable instruction fs/ocfs2/namei.o: warning: objtool: ocfs2_rename()+0x1b4: unreachable instruction net/dccp/ccids/lib/tfrc_equation.o: warning: objtool: tfrc_calc_x()+0x1c: unreachable instruction fs/ocfs2/refcounttree.o: warning: objtool: ocfs2_refcount_cal_cow_clusters()+0x6b: unreachable instruction fs/ocfs2/reservations.o: warning: objtool: ocfs2_resv_insert()+0x37: unreachable instruction fs/ocfs2/move_extents.o: warning: objtool: ocfs2_defrag_extent()+0x85: unreachable instruction drivers/input/mouse/cyapa.c:717:27: warning: 'error' may be used uninitialized in this function [-Wuninitialized] fs/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x21: unreachable instruction fs/ocfs2/slot_map.o: warning: objtool: ocfs2_map_slot_buffers()+0x8f: unreachable instruction drivers/input/mouse/cyapa_gen3.c:927:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x38: unreachable instruction fs/ocfs2/suballoc.o: warning: objtool: ocfs2_relink_block_group()+0x4c: unreachable instruction fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x2c: unreachable instruction fs/ocfs2/super.o: warning: objtool: ocfs2_dismount_volume()+0x2b: unreachable instruction fs/ocfs2/sysfile.o: warning: objtool: get_local_system_inode()+0x1c: unreachable instruction fs/ocfs2/uptodate.o: warning: objtool: ocfs2_remove_metadata_array()+0x14: unreachable instruction drivers/infiniband/core/umem.o: warning: objtool: ib_umem_get()+0x279: unreachable instruction fs/ocfs2/xattr.o: warning: objtool: ocfs2_xattr_bucket_copy_data()+0x1f: unreachable instruction fs/ocfs2/stackglue.o: warning: objtool: ocfs2_stack_driver_put()+0x12: unreachable instruction drivers/infiniband/core/iwcm.o: warning: objtool: iwcm_deref_id()+0x1a: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0xfe: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x17: unreachable instruction fs/dcache.o: warning: objtool: d_instantiate_new()+0x15: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x11: unreachable instruction drivers/input/touchscreen/hideep.c:633:3: warning: 'error' may be used uninitialized in this function [-Wuninitialized] net/key/af_key.o: warning: objtool: pfkey_send_new_mapping()+0x15e: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x25: unreachable instruction net/l2tp/l2tp_core.o: warning: objtool: l2tp_session_queue_purge()+0x11: unreachable instruction net/ipv4/ip_output.o: warning: objtool: ip_do_fragment()+0x181: unreachable instruction net/ipv4/inet_connection_sock.o: warning: objtool: inet_child_forget()+0x91: unreachable instruction fs/splice.c:1388:29: warning: 'type' may be used uninitialized in this function [-Wuninitialized] fs/splice.c:1362:22: warning: 'type' may be used uninitialized in this function [-Wuninitialized] net/ipv4/tcp_output.o: warning: objtool: tcp_tso_should_defer()+0x60: unreachable instruction net/ipv4/tcp_input.o: warning: objtool: tcp_tso_acked()+0x17: unreachable instruction drivers/md/bcache/alloc.o: warning: objtool: bch_bucket_alloc()+0x1df: unreachable instruction drivers/md/bcache/bset.o: warning: objtool: make_bfloat()+0xd9: unreachable instruction fs/direct-io.o: warning: objtool: do_direct_IO()+0x1c5: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0xb3: unreachable instruction fs/buffer.o: warning: objtool: cont_expand_zero()+0xee: unreachable instruction drivers/md/bcache/btree.o: warning: objtool: do_btree_node_write()+0x5c: unreachable instruction fs/mpage.o: warning: objtool: __mpage_writepage()+0x96: unreachable instruction drivers/md/bcache/closure.o: warning: objtool: closure_put_after_sub()+0x10: unreachable instruction drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0x77: unreachable instruction drivers/md/bcache/extents.o: warning: objtool: bch_extent_insert_fixup()+0x38: unreachable instruction net/ipv4/tcp_fastopen.o: warning: objtool: tcp_fastopen_add_skb()+0xe8: unreachable instruction drivers/md/bcache/journal.o: warning: objtool: bch_journal_replay()+0x57: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x129: unreachable instruction drivers/md/bcache/request.o: warning: objtool: cache_lookup_fn()+0xe5: unreachable instruction fs/aio.o: warning: objtool: aio_nr_sub()+0x14: unreachable instruction fs/dax.o: warning: objtool: dax_unlock_entry()+0x15: unreachable instruction drivers/md/bcache/super.o: warning: objtool: cache_alloc()+0x9d: unreachable instruction fs/locks.o: warning: objtool: locks_free_lock()+0x18: unreachable instruction net/ncsi/ncsi-manage.c:626:5: warning: 'vid' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/util.o: warning: objtool: bch_bio_map()+0x26: unreachable instruction drivers/md/bcache/writeback.o: warning: objtool: read_dirty()+0x25: unreachable instruction net/netlink/genetlink.o: warning: objtool: genl_validate_assign_mc_groups()+0x74: unreachable instruction drivers/mfd/wm8994-core.o: warning: objtool: wm8994_device_init.isra.6()+0xbd: unreachable instruction fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.33()+0x2a: unreachable instruction drivers/md/raid5.o: warning: objtool: do_release_stripe()+0x27: unreachable instruction net/ipv4/ping.o: warning: objtool: ping_getfrag()+0x18: unreachable instruction drivers/md/raid5-cache.o: warning: objtool: r5c_flush_stripe()+0x1c: unreachable instruction drivers/md/raid5-ppl.o: warning: objtool: ppl_recover_entry()+0x30f: unreachable instruction net/mac80211/tx.c:2502:27: warning: 'chanctx_conf' may be used uninitialized in this function [-Wuninitialized] net/mac80211/tx.o: warning: objtool: ieee80211_monitor_start_xmit()+0x25: unreachable instruction net/mac80211/mlme.c:1513:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] drivers/md/dm.o: warning: objtool: dm_accept_partial_bio()+0xf: unreachable instruction drivers/misc/ad525x_dpot.o: warning: objtool: dpot_write_spi()+0x84: unreachable instruction drivers/md/dm-table.o: warning: objtool: dm_table_determine_type()+0x5f: unreachable instruction drivers/md/dm-stripe.o: warning: objtool: stripe_map()+0x2c: unreachable instruction drivers/md/dm-kcopyd.o: warning: objtool: dm_kcopyd_client_destroy()+0x6d: unreachable instruction net/netfilter/nf_conntrack_helper.o: warning: objtool: nf_conntrack_helper_register()+0x57: unreachable instruction net/netfilter/nf_conntrack_proto.o: warning: objtool: __nf_ct_l4proto_unregister_one()+0xc: unreachable instruction drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_build_cmd()+0x25: unreachable instruction drivers/md/dm-bufio.o: warning: objtool: __cache_size_refresh()+0x15: unreachable instruction net/openvswitch/datapath.o: warning: objtool: ovs_flow_cmd_new()+0x30a: unreachable instruction drivers/media/media-entity.o: warning: objtool: media_create_pad_link()+0x29: unreachable instruction net/openvswitch/flow_table.o: warning: objtool: ovs_flow_tbl_remove()+0x20: unreachable instruction net/rfkill/core.o: warning: objtool: rfkill_init_sw_state()+0x16: unreachable instruction net/rxrpc/af_rxrpc.o: warning: objtool: af_rxrpc_exit()+0x9d: unreachable instruction drivers/md/dm-region-hash.o: warning: objtool: dm_region_hash_destroy()+0x2a: unreachable instruction net/rxrpc/call_accept.o: warning: objtool: rxrpc_alloc_incoming_call()+0x79: unreachable instruction net/rds/info.o: warning: objtool: rds_info_register_func()+0x11: unreachable instruction drivers/mtd/nand/raw/nand_base.o: warning: objtool: nand_fill_oob()+0x6d: unreachable instruction net/rxrpc/conn_client.o: warning: objtool: rxrpc_cull_active_client_conns()+0xbb: unreachable instruction net/rxrpc/call_object.o: warning: objtool: rxrpc_prepare_call_for_retry()+0x7b: unreachable instruction net/rds/message.o: warning: objtool: rds_message_put()+0x3d: unreachable instruction drivers/mtd/nand/raw/nand_bbt.o: warning: objtool: verify_bbt_descr()+0x2c: unreachable instruction net/rxrpc/conn_object.o: warning: objtool: rxrpc_kill_connection()+0x33: unreachable instruction drivers/md/dm-writecache.o: warning: objtool: __writecache_endio_pmem()+0x93: unreachable instruction drivers/md/dm-integrity.o: warning: objtool: dm_integrity_map_continue()+0x19d: unreachable instruction net/rxrpc/key.o: warning: objtool: rxrpc_read()+0x1fd: unreachable instruction net/rxrpc/local_object.o: warning: objtool: rxrpc_local_destroyer()+0xe9: unreachable instruction net/rds/rdma.o: warning: objtool: __rds_rdma_map()+0x162: unreachable instruction net/rxrpc/peer_object.o: warning: objtool: rxrpc_init_peer()+0x41: unreachable instruction drivers/net/ethernet/mellanox/mlxsw/core.o: warning: objtool: __mlxsw_item_offset()+0x15: unreachable instruction net/rxrpc/recvmsg.o: warning: objtool: rxrpc_recvmsg_data.isra.11()+0x217: unreachable instruction drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.o: warning: objtool: __mlxsw_item_offset()+0x15: unreachable instruction net/rds/tcp_recv.o: warning: objtool: rds_tcp_cong_recv.isra.4()+0x45: unreachable instruction drivers/mtd/ubi/eba.c:1001:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized] drivers/net/ethernet/mellanox/mlxsw/core_hwmon.o: warning: objtool: __mlxsw_item_offset()+0x15: unreachable instruction net/rxrpc/sendmsg.o: warning: objtool: rxrpc_send_data()+0x269: unreachable instruction net/rxrpc/rxkad.o: warning: objtool: rxkad_locate_data()+0x40: unreachable instruction net/sctp/sm_sideeffect.o: warning: objtool: sctp_cmd_interpreter.isra.26()+0x7d: unreachable instruction drivers/mtd/mtdconcat.o: warning: objtool: concat_erase()+0x120: unreachable instruction drivers/net/ethernet/smsc/smsc911x.o: warning: objtool: smsc911x_drv_remove()+0x18: unreachable instruction drivers/net/wireless/ath/ath9k/init.o: warning: objtool: ath_descdma_setup()+0x70: unreachable instruction drivers/net/wan/hdlc_ppp.o: warning: objtool: ppp_cp_event()+0x60: unreachable instruction drivers/net/wireless/ath/ath9k/recv.o: warning: objtool: ath_edma_get_buffers()+0x5d: unreachable instruction drivers/platform/chrome/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x44: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0x10: unreachable instruction net/sched/sch_skbprio.o: warning: objtool: skbprio_enqueue()+0x192: unreachable instruction include/net/sock.h:1928:19: warning: 'sk' may be used uninitialized in this function [-Wuninitialized] net/sctp/input.o: warning: objtool: sctp_rcv()+0x1fc: unreachable instruction net/tipc/socket.c:1716:27: warning: 'copy' may be used uninitialized in this function [-Wuninitialized] net/wimax/id-table.o: warning: objtool: wimax_id_table_add()+0x2b: unreachable instruction net/wimax/op-msg.o: warning: objtool: wimax_msg_send()+0x42: unreachable instruction net/unix/garbage.o: warning: objtool: unix_inflight()+0x3e: unreachable instruction net/wimax/op-reset.o: warning: objtool: wimax_reset()+0x37: unreachable instruction net/wimax/op-state-get.o: warning: objtool: wimax_gnl_doit_state_get()+0x30: unreachable instruction net/wimax/op-rfkill.o: warning: objtool: __wimax_rf_toggle_radio()+0x3a: unreachable instruction net/wimax/stack.o: warning: objtool: wimax_gnl_re_state_change_send()+0x3f: unreachable instruction drivers/net/wireless/intersil/orinoco/main.o: warning: objtool: ndev_priv()+0xf: unreachable instruction drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_probe()+0x15e: unreachable instruction drivers/net/wireless/intersil/orinoco/wext.o: warning: objtool: ndev_priv()+0xf: unreachable instruction net/xfrm/xfrm_policy.o: warning: objtool: xfrm_policy_destroy()+0x15: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x121: unreachable instruction drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x48: unreachable instruction arch/x86/include/asm/irqflags.h:39:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] drivers/net/wireless/st/cw1200/bh.o: warning: objtool: cw1200_bh_tx_helper()+0xa3: unreachable instruction drivers/net/wireless/st/cw1200/wsm.o: warning: objtool: wsm_cmd_send()+0x68: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x5b: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0xf8: unreachable instruction drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x39: unreachable instruction drivers/tty/serial/fsl_lpuart.o: warning: objtool: dma_map_sg_attrs.constprop.36()+0x2c: unreachable instruction drivers/target/target_core_user.c:662:29: warning: 'dbi' may be used uninitialized in this function [-Wuninitialized] drivers/net/wireless/ti/wlcore/tx.o: warning: objtool: wlcore_lnk_dequeue_high_prio()+0x32: unreachable instruction Full Log # git rev-parse -q --verify 40e020c129cfc991e8ab4736d2665351ffd1468d^{commit} 40e020c129cfc991e8ab4736d2665351ffd1468d already have revision, skipping fetch # git checkout -q -f -B kisskb 40e020c129cfc991e8ab4736d2665351ffd1468d # git clean -qxdf # < git log -1 # commit 40e020c129cfc991e8ab4736d2665351ffd1468d # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Sun Dec 9 15:31:00 2018 -0800 # # Linux 4.20-rc6 # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 40e020c129cfc991e8ab4736d2665351ffd1468d # < make -s -j 10 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=0xBB40FF5E # 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 10 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 10 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- arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x25: 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/9p/vfs_file.o: warning: objtool: v9fs_file_do_lock()+0x2c: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x2e: unreachable instruction fs/afs/callback.o: warning: objtool: afs_break_callbacks()+0x6a: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: __init_extra_mapping()+0x68: unreachable instruction fs/ceph/inode.o: warning: objtool: splice_dentry()+0x1a: unreachable instruction fs/afs/cell.o: warning: objtool: afs_manage_cells()+0xf8: unreachable instruction /kisskb/src/arch/x86/kvm/x86.c: In function 'vgettsc': /kisskb/src/arch/x86/kvm/x86.c:1863:11: warning: 'v' may be used uninitialized in this function [-Wuninitialized] mm/vmscan.o: warning: objtool: __remove_mapping()+0x29: unreachable instruction fs/ceph/dir.o: warning: objtool: ceph_readdir()+0x522: unreachable instruction arch/x86/kernel/cpu/common.o: warning: objtool: cpu_init()+0x155: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x31: unreachable instruction fs/ceph/file.o: warning: objtool: ceph_aio_complete_req()+0x3e: unreachable instruction mm/shmem.o: warning: objtool: shmem_writepage()+0x25: unreachable instruction fs/ceph/locks.o: warning: objtool: ceph_lock_wait_for_completion()+0x26: unreachable instruction /kisskb/src/fs/afs/dynroot.c: In function 'afs_lookup_atcell': /kisskb/src/fs/afs/dynroot.c:126:6: warning: 'len' may be used uninitialized in this function [-Wuninitialized] fs/ceph/addr.o: warning: objtool: ceph_set_page_dirty()+0x65: unreachable instruction fs/afs/file.o: warning: objtool: afs_page_filler()+0x70: unreachable instruction crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x30: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0xe6: unreachable instruction fs/afs/flock.o: warning: objtool: afs_do_setlk()+0x1cc: unreachable instruction kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xeb: unreachable instruction crypto/asymmetric_keys/asym_tpm.o: warning: objtool: tpm_key_verify_signature()+0x34: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x233: unreachable instruction arch/x86/kvm/mmu.o: warning: objtool: __pte_list_remove()+0x24: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x68: unreachable instruction fs/afs/fsclient.o: warning: objtool: afs_deliver_fs_fetch_data()+0x1be: unreachable instruction fs/ceph/caps.o: warning: objtool: __mark_caps_flushing()+0x35: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x114: unreachable instruction crypto/async_tx/async_tx.o: warning: objtool: async_tx_submit()+0x37: unreachable instruction fs/ceph/mds_client.o: warning: objtool: insert_request()+0x1b: unreachable instruction crypto/async_tx/async_pq.o: warning: objtool: do_sync_gen_syndrome()+0x53: unreachable instruction mm/gup.o: warning: objtool: get_gate_page()+0xa0: unreachable instruction fs/afs/rotate.o: warning: objtool: afs_select_fileserver()+0x718: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x19c: unreachable instruction fs/afs/rxrpc.o: warning: objtool: afs_put_call()+0x6e: unreachable instruction crypto/api.o: warning: objtool: __crypto_alloc_tfm()+0x42: unreachable instruction mm/memory.o: warning: objtool: vmf_insert_pfn_prot()+0x2d: unreachable instruction fs/afs/server.o: warning: objtool: afs_manage_servers()+0x105: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x1d: unreachable instruction fs/btrfs/inode.o: warning: objtool: run_delalloc_nocow()+0x469: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x33: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0xe: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x1e4: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0xf: unreachable instruction fs/crypto/crypto.o: warning: objtool: fscrypt_do_page_crypto()+0x82: unreachable instruction fs/afs/vl_rotate.o: warning: objtool: afs_select_vlserver()+0x425: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x3a: unreachable instruction fs/afs/write.o: warning: objtool: afs_write_back_from_locked_page()+0x6c: unreachable instruction mm/vmalloc.o: warning: objtool: vb_free()+0x1e: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x20c: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x6e: 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] fs/afs/yfsclient.o: warning: objtool: yfs_deliver_fs_fetch_data64()+0x19a: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x13: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: __set_extent_bit()+0xab: unreachable instruction kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0xe: unreachable instruction fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x3e: unreachable instruction arch/x86/kvm/svm.o: warning: objtool: svm_cache_reg()+0x19: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x2c: unreachable instruction mm/swapfile.o: warning: objtool: swap_count_continued.isra.51()+0x33: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x4ac: unreachable instruction mm/mmu_notifier.o: warning: objtool: do_mmu_notifier_register()+0x20: unreachable instruction /kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:652:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/ksm.c: In function 'stable_node_dup': /kisskb/src/mm/ksm.c:1395:15: warning: 'found_rmap_hlist_len' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x2b: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: force_hpet_resume()+0x30: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_task_rt()+0x5c: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x1d: unreachable instruction mm/slub.o: warning: objtool: early_kmem_cache_node_alloc()+0x1d: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+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] mm/zsmalloc.o: warning: objtool: zs_map_object()+0x25: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0xfe: unreachable instruction fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x17a: unreachable instruction mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x29: unreachable instruction block/blk-core.o: warning: objtool: blk_dequeue_request()+0x1f: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0xa7: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x2a: unreachable instruction drivers/block/drbd/drbd_bitmap.o: warning: objtool: bm_realloc_pages()+0x27: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x2f: unreachable instruction fs/btrfs/relocation.o: warning: objtool: select_reloc_root()+0x49: unreachable instruction kernel/exit.o: warning: objtool: forget_original_parent()+0x88: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: btrfs_release_delayed_item()+0x2c: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_repair_page_from_good_copy()+0x2e: unreachable instruction drivers/block/drbd/drbd_receiver.o: warning: objtool: __drbd_alloc_pages.isra.51()+0x1d: unreachable instruction fs/btrfs/backref.o: warning: objtool: add_missing_keys()+0x38: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x2c: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.6()+0xb6: unreachable instruction fs/btrfs/send.o: warning: objtool: read_symlink()+0xbe: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x18: unreachable instruction fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x58: unreachable instruction fs/dlm/lock.o: warning: objtool: add_lkb()+0x62: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0x6f: unreachable instruction drivers/block/aoe/aoeblk.o: warning: objtool: aoedisk_add_debugfs()+0x47: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0x4c: unreachable instruction block/bounce.o: warning: objtool: init_emergency_isa_pool()+0x46: unreachable instruction block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x17: unreachable instruction drivers/block/aoe/aoedev.o: warning: objtool: freedev()+0x1a5: unreachable instruction block/mq-deadline.o: warning: objtool: dd_exit_queue()+0x17: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0xc: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0x88: unreachable instruction kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x25: unreachable instruction fs/ext4/bitmap.o: warning: objtool: ext4_chksum.isra.1()+0x14: unreachable instruction drivers/block/null_blk_main.o: warning: objtool: null_init_queue()+0x14: 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/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x2a: unreachable instruction kernel/seccomp.o: warning: objtool: seccomp_attach_filter()+0x73: unreachable instruction fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0x4e: unreachable instruction fs/ext4/ialloc.o: warning: objtool: ext4_chksum.isra.30.constprop.31()+0x12: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0x44: unreachable instruction drivers/crypto/ccree/cc_buffer_mgr.o: warning: objtool: dma_map_sg_attrs.constprop.26()+0x2c: unreachable instruction fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x34: unreachable instruction crypto/drbg.o: warning: objtool: drbg_async_seed()+0x55: 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/ext4/inode.o: warning: objtool: ext4_da_page_release_reservation()+0x2f: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x28: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x271: unreachable instruction /kisskb/src/lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0xb: 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/ext4/ioctl.o: warning: objtool: ext4_chksum.isra.23.constprop.24()+0x12: unreachable instruction fs/f2fs/inode.o: warning: objtool: f2fs_chksum()+0x1b: unreachable instruction net/9p/trans_virtio.o: warning: objtool: pack_sg_list_p.constprop.14()+0x25: unreachable instruction fs/ext4/mballoc.o: warning: objtool: ext4_mb_get_buddy_page_lock()+0x7c: unreachable instruction fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x23: unreachable instruction fs/f2fs/super.o: warning: objtool: __f2fs_crc32.isra.54()+0x14: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x46: unreachable instruction fs/ext4/namei.o: warning: objtool: dx_insert_block()+0x2d: unreachable instruction fs/f2fs/checkpoint.o: warning: objtool: f2fs_crc32()+0x16: unreachable instruction fs/ext4/page-io.o: warning: objtool: ext4_release_io_end()+0x17: unreachable instruction /kisskb/src/fs/gfs2/bmap.c: In function 'gfs2_iomap_get': /kisskb/src/fs/gfs2/bmap.c:921:18: warning: 'height' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/gfs2/bmap.c:916:7: warning: 'len' may be used uninitialized in this function [-Wuninitialized] fs/fuse/dev.o: warning: objtool: fuse_copy_fill.part.32()+0x49: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_indirect_init()+0x3d: unreachable instruction /kisskb/src/fs/f2fs/node.c: In function '__set_nat_cache_dirty': /kisskb/src/fs/f2fs/node.c:264:17: warning: 'head' may be used uninitialized in this function [-Wuninitialized] fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x1e: unreachable instruction fs/f2fs/node.o: warning: objtool: f2fs_truncate_inode_blocks()+0x114: unreachable instruction fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x3b: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x26: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x52: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_chksum.isra.49()+0x14: unreachable instruction net/bluetooth/rfcomm/tty.o: warning: objtool: __rfcomm_dev_add()+0x1e3: unreachable instruction fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x24: unreachable instruction fs/ext4/xattr.o: warning: objtool: ext4_chksum.isra.17()+0x14: unreachable instruction net/bluetooth/af_bluetooth.o: warning: objtool: bt_sock_reclassify_lock()+0xb: unreachable instruction fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x57: unreachable instruction fs/jbd2/transaction.o: warning: objtool: __jbd2_journal_temp_unlink_buffer()+0x18: unreachable instruction fs/gfs2/aops.o: warning: objtool: gfs2_releasepage()+0x62: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_chksum.isra.24()+0x14: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_chksum.isra.3()+0x14: unreachable instruction fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x23: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x1d: unreachable instruction fs/gfs2/quota.o: warning: objtool: gfs2_write_buf_to_page()+0x74: unreachable instruction fs/jbd2/journal.o: warning: objtool: get_slab()+0x13: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_free_extlen()+0x79: unreachable instruction fs/jfs/jfs_xtree.o: warning: objtool: xtTruncate()+0x87: unreachable instruction fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x2c: unreachable instruction fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x512: unreachable instruction fs/jfs/jfs_metapage.o: warning: objtool: metapage_invalidatepage()+0x12: 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/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x142: unreachable instruction fs/jfs/jfs_txnmgr.o: warning: objtool: txUnlock()+0x84: unreachable instruction fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x29: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0x6d: 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_trylock()+0x13: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x3e: unreachable instruction lib/list_debug.o: warning: objtool: __list_add_valid()+0x23: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0x2e: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x2e: unreachable instruction fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock.isra.30()+0x29: unreachable instruction lib/syscall.o: warning: objtool: collect_syscall()+0xf4: unreachable instruction lib/lru_cache.o: warning: objtool: __lc_find()+0xd: unreachable instruction fs/ocfs2/dlmfs/userdlm.o: warning: objtool: user_unlock_ast()+0x9b: unreachable instruction fs/ocfs2/cluster/heartbeat.o: warning: objtool: o2hb_register_callback()+0x1c: unreachable instruction fs/ocfs2/dlmfs/dlmfs.o: warning: objtool: dlmfs_get_inode()+0x90: unreachable instruction lib/oid_registry.o: warning: objtool: sprint_OID()+0xe: unreachable instruction fs/ocfs2/cluster/quorum.o: warning: objtool: o2quo_hb_up()+0x81: unreachable instruction net/ceph/messenger.o: warning: objtool: con_out_kvec_skip()+0x41: unreachable instruction fs/ocfs2/cluster/tcp.o: warning: objtool: o2net_set_nn_state()+0x70: unreachable instruction /kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery': /kisskb/src/drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/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/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x18: unreachable instruction net/ceph/mon_client.o: warning: objtool: __open_session()+0x1c: unreachable instruction net/core/skbuff.o: warning: objtool: __skb_to_sgvec()+0x126: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x51: unreachable instruction fs/ocfs2/alloc.o: warning: objtool: ocfs2_adjust_adjacent_records()+0x26: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0x93: unreachable instruction /kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic': /kisskb/src/net/core/gen_stats.c:161:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] net/ceph/osd_client.o: warning: objtool: _osd_req_op_init()+0x22: unreachable instruction fs/ocfs2/aops.o: warning: objtool: ocfs2_populate_write_desc()+0xe7: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x1b: unreachable instruction fs/ocfs2/buffer_head_io.o: warning: objtool: ocfs2_write_block()+0x1a: unreachable instruction lib/radix-tree.o: warning: objtool: radix_tree_insert()+0x21: unreachable instruction fs/ocfs2/dcache.o: warning: objtool: ocfs2_dentry_attach_lock()+0xb7: unreachable instruction fs/quota/dquot.o: warning: objtool: dqput()+0x56: unreachable instruction net/ceph/osdmap.o: warning: objtool: insert_choose_arg_map()+0x18: unreachable instruction net/core/flow_dissector.o: warning: objtool: skb_flow_dissector_init()+0x26: unreachable instruction fs/ocfs2/dir.o: warning: objtool: ocfs2_delete_entry_dx()+0x63: unreachable instruction fs/ocfs2/dlmglue.o: warning: objtool: ocfs2_build_lock_name()+0x16: unreachable instruction fs/ocfs2/extent_map.o: warning: objtool: ocfs2_read_virt_blocks()+0x56: unreachable instruction /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3384:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] net/core/dev.o: warning: objtool: skb_checksum_help()+0x8c: unreachable instruction fs/ocfs2/file.o: warning: objtool: ocfs2_write_zero_page()+0x32: unreachable instruction net/dccp/input.o: warning: objtool: dccp_enqueue_skb()+0x32: unreachable instruction fs/ocfs2/inode.o: warning: objtool: ocfs2_clear_inode()+0x87: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x16: unreachable instruction fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0xe1: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xa3: unreachable instruction drivers/infiniband/core/rw.o: warning: objtool: ib_dma_map_sg.isra.16()+0x23: unreachable instruction fs/ocfs2/journal.o: warning: objtool: __ocfs2_journal_access()+0x3e: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x29: unreachable instruction fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x41: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'drm_atomic_connector_check': /kisskb/src/drivers/gpu/drm/drm_atomic.c:412:38: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] net/core/rtnetlink.o: warning: objtool: rtnl_register_internal()+0x2b: unreachable instruction fs/ocfs2/namei.o: warning: objtool: ocfs2_rename()+0x1b4: unreachable instruction net/dccp/ccids/lib/tfrc_equation.o: warning: objtool: tfrc_calc_x()+0x1c: unreachable instruction fs/ocfs2/refcounttree.o: warning: objtool: ocfs2_refcount_cal_cow_clusters()+0x6b: unreachable instruction fs/ocfs2/reservations.o: warning: objtool: ocfs2_resv_insert()+0x37: unreachable instruction fs/ocfs2/move_extents.o: warning: objtool: ocfs2_defrag_extent()+0x85: 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/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x21: unreachable instruction fs/ocfs2/slot_map.o: warning: objtool: ocfs2_map_slot_buffers()+0x8f: 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/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x38: unreachable instruction fs/ocfs2/suballoc.o: warning: objtool: ocfs2_relink_block_group()+0x4c: unreachable instruction fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x2c: unreachable instruction fs/ocfs2/super.o: warning: objtool: ocfs2_dismount_volume()+0x2b: unreachable instruction fs/ocfs2/sysfile.o: warning: objtool: get_local_system_inode()+0x1c: unreachable instruction fs/ocfs2/uptodate.o: warning: objtool: ocfs2_remove_metadata_array()+0x14: unreachable instruction drivers/infiniband/core/umem.o: warning: objtool: ib_umem_get()+0x279: unreachable instruction fs/ocfs2/xattr.o: warning: objtool: ocfs2_xattr_bucket_copy_data()+0x1f: unreachable instruction fs/ocfs2/stackglue.o: warning: objtool: ocfs2_stack_driver_put()+0x12: unreachable instruction drivers/infiniband/core/iwcm.o: warning: objtool: iwcm_deref_id()+0x1a: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0xfe: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x17: unreachable instruction fs/dcache.o: warning: objtool: d_instantiate_new()+0x15: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x11: unreachable instruction /kisskb/src/drivers/input/touchscreen/hideep.c: In function 'hideep_update_firmware': /kisskb/src/drivers/input/touchscreen/hideep.c:633:3: warning: 'error' may be used uninitialized in this function [-Wuninitialized] net/key/af_key.o: warning: objtool: pfkey_send_new_mapping()+0x15e: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x25: unreachable instruction net/l2tp/l2tp_core.o: warning: objtool: l2tp_session_queue_purge()+0x11: unreachable instruction net/ipv4/ip_output.o: warning: objtool: ip_do_fragment()+0x181: unreachable instruction net/ipv4/inet_connection_sock.o: warning: objtool: inet_child_forget()+0x91: unreachable instruction /kisskb/src/fs/splice.c: In function '__do_compat_sys_vmsplice': /kisskb/src/fs/splice.c:1388:29: 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:1362:22: warning: 'type' may be used uninitialized in this function [-Wuninitialized] net/ipv4/tcp_output.o: warning: objtool: tcp_tso_should_defer()+0x60: unreachable instruction net/ipv4/tcp_input.o: warning: objtool: tcp_tso_acked()+0x17: unreachable instruction drivers/md/bcache/alloc.o: warning: objtool: bch_bucket_alloc()+0x1df: unreachable instruction drivers/md/bcache/bset.o: warning: objtool: make_bfloat()+0xd9: unreachable instruction fs/direct-io.o: warning: objtool: do_direct_IO()+0x1c5: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0xb3: unreachable instruction fs/buffer.o: warning: objtool: cont_expand_zero()+0xee: unreachable instruction drivers/md/bcache/btree.o: warning: objtool: do_btree_node_write()+0x5c: unreachable instruction fs/mpage.o: warning: objtool: __mpage_writepage()+0x96: unreachable instruction drivers/md/bcache/closure.o: warning: objtool: closure_put_after_sub()+0x10: unreachable instruction drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0x77: unreachable instruction drivers/md/bcache/extents.o: warning: objtool: bch_extent_insert_fixup()+0x38: unreachable instruction net/ipv4/tcp_fastopen.o: warning: objtool: tcp_fastopen_add_skb()+0xe8: unreachable instruction drivers/md/bcache/journal.o: warning: objtool: bch_journal_replay()+0x57: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x129: unreachable instruction drivers/md/bcache/request.o: warning: objtool: cache_lookup_fn()+0xe5: unreachable instruction fs/aio.o: warning: objtool: aio_nr_sub()+0x14: unreachable instruction fs/dax.o: warning: objtool: dax_unlock_entry()+0x15: unreachable instruction drivers/md/bcache/super.o: warning: objtool: cache_alloc()+0x9d: unreachable instruction fs/locks.o: warning: objtool: locks_free_lock()+0x18: unreachable instruction /kisskb/src/net/ncsi/ncsi-manage.c: In function 'set_one_vid': /kisskb/src/net/ncsi/ncsi-manage.c:626:5: warning: 'vid' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/util.o: warning: objtool: bch_bio_map()+0x26: unreachable instruction drivers/md/bcache/writeback.o: warning: objtool: read_dirty()+0x25: unreachable instruction net/netlink/genetlink.o: warning: objtool: genl_validate_assign_mc_groups()+0x74: unreachable instruction drivers/mfd/wm8994-core.o: warning: objtool: wm8994_device_init.isra.6()+0xbd: unreachable instruction fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.33()+0x2a: unreachable instruction drivers/md/raid5.o: warning: objtool: do_release_stripe()+0x27: unreachable instruction net/ipv4/ping.o: warning: objtool: ping_getfrag()+0x18: unreachable instruction drivers/md/raid5-cache.o: warning: objtool: r5c_flush_stripe()+0x1c: unreachable instruction drivers/md/raid5-ppl.o: warning: objtool: ppl_recover_entry()+0x30f: unreachable instruction /kisskb/src/net/mac80211/tx.c: In function 'ieee80211_build_hdr': /kisskb/src/net/mac80211/tx.c:2502:27: warning: 'chanctx_conf' may be used uninitialized in this function [-Wuninitialized] net/mac80211/tx.o: warning: objtool: ieee80211_monitor_start_xmit()+0x25: unreachable instruction /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_handle_pwr_constr.isra.37': /kisskb/src/net/mac80211/mlme.c:1513:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] drivers/md/dm.o: warning: objtool: dm_accept_partial_bio()+0xf: unreachable instruction drivers/misc/ad525x_dpot.o: warning: objtool: dpot_write_spi()+0x84: unreachable instruction drivers/md/dm-table.o: warning: objtool: dm_table_determine_type()+0x5f: unreachable instruction drivers/md/dm-stripe.o: warning: objtool: stripe_map()+0x2c: unreachable instruction drivers/md/dm-kcopyd.o: warning: objtool: dm_kcopyd_client_destroy()+0x6d: unreachable instruction net/netfilter/nf_conntrack_helper.o: warning: objtool: nf_conntrack_helper_register()+0x57: unreachable instruction net/netfilter/nf_conntrack_proto.o: warning: objtool: __nf_ct_l4proto_unregister_one()+0xc: unreachable instruction drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_build_cmd()+0x25: unreachable instruction drivers/md/dm-bufio.o: warning: objtool: __cache_size_refresh()+0x15: unreachable instruction net/openvswitch/datapath.o: warning: objtool: ovs_flow_cmd_new()+0x30a: unreachable instruction drivers/media/media-entity.o: warning: objtool: media_create_pad_link()+0x29: unreachable instruction net/openvswitch/flow_table.o: warning: objtool: ovs_flow_tbl_remove()+0x20: unreachable instruction net/rfkill/core.o: warning: objtool: rfkill_init_sw_state()+0x16: unreachable instruction net/rxrpc/af_rxrpc.o: warning: objtool: af_rxrpc_exit()+0x9d: unreachable instruction drivers/md/dm-region-hash.o: warning: objtool: dm_region_hash_destroy()+0x2a: unreachable instruction net/rxrpc/call_accept.o: warning: objtool: rxrpc_alloc_incoming_call()+0x79: unreachable instruction net/rds/info.o: warning: objtool: rds_info_register_func()+0x11: unreachable instruction drivers/mtd/nand/raw/nand_base.o: warning: objtool: nand_fill_oob()+0x6d: unreachable instruction net/rxrpc/conn_client.o: warning: objtool: rxrpc_cull_active_client_conns()+0xbb: unreachable instruction net/rxrpc/call_object.o: warning: objtool: rxrpc_prepare_call_for_retry()+0x7b: unreachable instruction net/rds/message.o: warning: objtool: rds_message_put()+0x3d: unreachable instruction drivers/mtd/nand/raw/nand_bbt.o: warning: objtool: verify_bbt_descr()+0x2c: unreachable instruction net/rxrpc/conn_object.o: warning: objtool: rxrpc_kill_connection()+0x33: unreachable instruction drivers/md/dm-writecache.o: warning: objtool: __writecache_endio_pmem()+0x93: unreachable instruction drivers/md/dm-integrity.o: warning: objtool: dm_integrity_map_continue()+0x19d: unreachable instruction net/rxrpc/key.o: warning: objtool: rxrpc_read()+0x1fd: unreachable instruction net/rxrpc/local_object.o: warning: objtool: rxrpc_local_destroyer()+0xe9: unreachable instruction net/rds/rdma.o: warning: objtool: __rds_rdma_map()+0x162: unreachable instruction net/rxrpc/peer_object.o: warning: objtool: rxrpc_init_peer()+0x41: unreachable instruction drivers/net/ethernet/mellanox/mlxsw/core.o: warning: objtool: __mlxsw_item_offset()+0x15: unreachable instruction net/rxrpc/recvmsg.o: warning: objtool: rxrpc_recvmsg_data.isra.11()+0x217: unreachable instruction drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_keys.o: warning: objtool: __mlxsw_item_offset()+0x15: unreachable instruction net/rds/tcp_recv.o: warning: objtool: rds_tcp_cong_recv.isra.4()+0x45: 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/net/ethernet/mellanox/mlxsw/core_hwmon.o: warning: objtool: __mlxsw_item_offset()+0x15: unreachable instruction net/rxrpc/sendmsg.o: warning: objtool: rxrpc_send_data()+0x269: unreachable instruction net/rxrpc/rxkad.o: warning: objtool: rxkad_locate_data()+0x40: unreachable instruction net/sctp/sm_sideeffect.o: warning: objtool: sctp_cmd_interpreter.isra.26()+0x7d: unreachable instruction drivers/mtd/mtdconcat.o: warning: objtool: concat_erase()+0x120: unreachable instruction drivers/net/ethernet/smsc/smsc911x.o: warning: objtool: smsc911x_drv_remove()+0x18: unreachable instruction drivers/net/wireless/ath/ath9k/init.o: warning: objtool: ath_descdma_setup()+0x70: unreachable instruction drivers/net/wan/hdlc_ppp.o: warning: objtool: ppp_cp_event()+0x60: unreachable instruction drivers/net/wireless/ath/ath9k/recv.o: warning: objtool: ath_edma_get_buffers()+0x5d: unreachable instruction drivers/platform/chrome/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x44: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0x10: unreachable instruction net/sched/sch_skbprio.o: warning: objtool: skbprio_enqueue()+0x192: unreachable instruction /kisskb/src/net/sctp/output.c: In function 'sctp_packet_config': /kisskb/src/include/net/sock.h:1928:19: warning: 'sk' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/sctp/output.c:94:15: note: 'sk' was declared here net/sctp/input.o: warning: objtool: sctp_rcv()+0x1fc: unreachable instruction /kisskb/src/net/tipc/socket.c: In function 'tipc_recvmsg': /kisskb/src/net/tipc/socket.c:1716:27: warning: 'copy' may be used uninitialized in this function [-Wuninitialized] net/wimax/id-table.o: warning: objtool: wimax_id_table_add()+0x2b: unreachable instruction net/wimax/op-msg.o: warning: objtool: wimax_msg_send()+0x42: unreachable instruction net/unix/garbage.o: warning: objtool: unix_inflight()+0x3e: unreachable instruction net/wimax/op-reset.o: warning: objtool: wimax_reset()+0x37: unreachable instruction net/wimax/op-state-get.o: warning: objtool: wimax_gnl_doit_state_get()+0x30: unreachable instruction net/wimax/op-rfkill.o: warning: objtool: __wimax_rf_toggle_radio()+0x3a: unreachable instruction net/wimax/stack.o: warning: objtool: wimax_gnl_re_state_change_send()+0x3f: unreachable instruction drivers/net/wireless/intersil/orinoco/main.o: warning: objtool: ndev_priv()+0xf: unreachable instruction drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_probe()+0x15e: unreachable instruction drivers/net/wireless/intersil/orinoco/wext.o: warning: objtool: ndev_priv()+0xf: unreachable instruction net/xfrm/xfrm_policy.o: warning: objtool: xfrm_policy_destroy()+0x15: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x121: unreachable instruction drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x48: unreachable instruction /kisskb/src/drivers/tty/serial/serial_core.c: In function 'uart_write': /kisskb/src/arch/x86/include/asm/irqflags.h:39:2: 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/net/wireless/st/cw1200/bh.o: warning: objtool: cw1200_bh_tx_helper()+0xa3: unreachable instruction drivers/net/wireless/st/cw1200/wsm.o: warning: objtool: wsm_cmd_send()+0x68: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x5b: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0xf8: unreachable instruction drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x39: unreachable instruction drivers/tty/serial/fsl_lpuart.o: warning: objtool: dma_map_sg_attrs.constprop.36()+0x2c: 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/net/wireless/ti/wlcore/tx.o: warning: objtool: wlcore_lnk_dequeue_high_prio()+0x32: unreachable instruction Completed OK # rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64 # Build took: 0:02:48.973401

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