Buildresult: linus-rand/x86_64-randconfig/x86_64-gcc4.6 built on Oct 12 2018, 22:12

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Status:	OK
Date/Time:	Oct 12 2018, 22:12
Duration:	0:02:19.079584
Builder:	ka3
Revision:	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (`90ad18418c2d3db23ee827cdd74fed2ca9b70a18)`
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 (333) scripts/unifdef.c:453:28: warning: 'strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation] arch/x86/xen/enlighten.o: warning: objtool: xen_vcpu_restore()+0x89: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0xf: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x2e: unreachable instruction arch/x86/kvm/emulate.o: warning: objtool: writeback()+0x15b: unreachable instruction arch/x86/xen/multicalls.o: warning: objtool: xen_mc_flush()+0x46: unreachable instruction kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xec: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: find_css_set()+0x197: unreachable instruction arch/x86/kvm/x86.c:1780:11: warning: 'v' may be used uninitialized in this function [-Wuninitialized] crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x21: unreachable instruction arch/x86/kvm/mmu.o: warning: objtool: pte_list_remove()+0x1d: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x1d: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x13: unreachable instruction arch/x86/mm/fault.o: warning: objtool: vmalloc_fault()+0xf7: unreachable instruction kernel/cgroup/cgroup-v1.c:1256:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] arch/x86/mm/init_64.o: warning: objtool: sync_global_pgds()+0xf9: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x83: unreachable instruction arch/x86/xen/mmu.c:156:12: warning: 'i' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/cpu/common.o: warning: objtool: identify_secondary_cpu()+0x15: unreachable instruction kernel/printk/printk.c:185:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/hw_breakpoint.c:366:18: warning: 'align' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/quirks.o: warning: objtool: force_hpet_resume()+0x30: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x25: unreachable instruction arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x30: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x25: unreachable instruction kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x15: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x16: unreachable instruction mm/kasan/kasan_init.o: warning: objtool: kasan_remove_zero_shadow()+0x485: unreachable instruction kernel/power/suspend.o: warning: objtool: suspend_devices_and_enter()+0x33a: unreachable instruction arch/x86/kvm/vmx.o: warning: objtool: vmx_set_msr()+0x65e: unreachable instruction crypto/api.o: warning: objtool: __crypto_alloc_tfm()+0x42: unreachable instruction drivers/ata/libata-core.o: warning: objtool: ata_qc_issue()+0x135: unreachable instruction net/9p/trans_virtio.o: warning: objtool: pack_sg_list_p.constprop.6()+0x31: unreachable instruction arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] kernel/sched/core.o: warning: objtool: sched_cpu_dying()+0x50: unreachable instruction net/bluetooth/af_bluetooth.o: warning: objtool: bt_sock_reclassify_lock()+0x18: unreachable instruction block/blk-core.o: warning: objtool: __blk_put_request()+0xe4: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0x8c: unreachable instruction kernel/time/hrtimer.o: warning: objtool: hrtimers_dead_cpu()+0x25: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x33: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x2b: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x127: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x17: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x2f: unreachable instruction kernel/rcu/tree.o: warning: objtool: rcu_init()+0x1c9: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x1e: unreachable instruction arch/x86/kvm/svm.o: warning: objtool: svm_cache_reg()+0x19: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x6f: unreachable instruction fs/cachefiles/daemon.o: warning: objtool: cachefiles_daemon_release()+0x62: unreachable instruction arch/x86/mm/physaddr.o: warning: objtool: __phys_addr()+0x23: unreachable instruction fs/cachefiles/key.o: warning: objtool: cachefiles_cook_key()+0x58: unreachable instruction drivers/char/tpm/tpm-sysfs.c:37:16: warning: 'tpm_buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/char/tpm/tpm2-cmd.c:614:20: warning: 'blob_handle' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/bind.o: warning: objtool: cachefiles_daemon_bind()+0xa4: unreachable instruction mm/page_alloc.o: warning: objtool: __offline_isolated_pages()+0xd4: unreachable instruction fs/cachefiles/interface.o: warning: objtool: cachefiles_put_object()+0x2d: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0xaf: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x2b: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x27: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x58: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x22: unreachable instruction fs/cachefiles/namei.o: warning: objtool: cachefiles_delete_object()+0x76: unreachable instruction kernel/sched/rt.o: warning: objtool: dequeue_top_rt_rq()+0x19: unreachable instruction mm/truncate.o: warning: objtool: invalidate_inode_pages2_range()+0x14d: unreachable instruction drivers/clocksource/clps711x-timer.o: warning: objtool: clps711x_clksrc_init()+0x49: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x18: unreachable instruction kernel/params.o: warning: objtool: param_sysfs_init()+0x144: unreachable instruction fs/cachefiles/rdwr.o: warning: objtool: cachefiles_read_waiter()+0x48: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x2b: unreachable instruction net/ceph/messenger.o: warning: objtool: con_out_kvec_skip()+0x41: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0xaf: unreachable instruction drivers/dma-buf/reservation.c:211:7: warning: 'k' may be used uninitialized in this function [-Wuninitialized] kernel/cred.o: warning: objtool: __put_cred()+0x1b: unreachable instruction kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x32: unreachable instruction fs/cachefiles/xattr.o: warning: objtool: cachefiles_check_object_type()+0x38: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xc3: unreachable instruction net/core/skbuff.o: warning: objtool: pskb_expand_head()+0x2c: unreachable instruction net/ceph/osdmap.o: warning: objtool: crush_decode()+0xe25: unreachable instruction net/ceph/mon_client.o: warning: objtool: __open_session()+0x1d: unreachable instruction net/core/gen_stats.c:161:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x6a: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0xe7: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x212: unreachable instruction net/ceph/osd_client.o: warning: objtool: insert_request()+0x1b: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one()+0x8b: unreachable instruction mm/gup.o: warning: objtool: __get_user_pages()+0x177: unreachable instruction net/core/flow_dissector.o: warning: objtool: skb_flow_dissector_init()+0x35: unreachable instruction mm/memory.o: warning: objtool: remap_pfn_range()+0xa7: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x3d: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x1f: unreachable instruction lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] net/core/dev.c:3365:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/selftests/test-drm_mm.o: warning: objtool: __igt_reserve()+0x48: unreachable instruction drivers/base/devres.o: warning: objtool: release_nodes()+0xc0: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x115: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x2e: unreachable instruction mm/vmalloc.o: warning: objtool: alloc_vmap_area.isra.15()+0x29: unreachable instruction net/core/dev.o: warning: objtool: skb_checksum_help()+0x8c: unreachable instruction mm/memory_hotplug.o: warning: objtool: __remove_pages()+0x7e: unreachable instruction sound/core/pcm_iec958.c:80:9: warning: 'ws' may be used uninitialized in this function [-Wuninitialized] crypto/drbg.o: warning: objtool: drbg_async_seed()+0x46: unreachable instruction mm/migrate.o: warning: objtool: buffer_migrate_page()+0x39: unreachable instruction mm/mmu_notifier.o: warning: objtool: do_mmu_notifier_register()+0x38: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x1c5: unreachable instruction fs/btrfs/inode.o: warning: objtool: run_delalloc_nocow()+0x493: unreachable instruction drivers/hwspinlock/hwspinlock_core.o: warning: objtool: __hwspin_trylock()+0x1f: unreachable instruction mm/page_isolation.o: warning: objtool: start_isolate_page_range()+0x25: unreachable instruction mm/memcontrol.c:2350:5: warning: 'isolated' may be used uninitialized in this function [-Wuninitialized] mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x29: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x193: unreachable instruction mm/memcontrol.o: warning: objtool: mem_cgroup_reset()+0x6b: unreachable instruction kernel/audit_fsnotify.o: warning: objtool: audit_mark_handle_event()+0x28: unreachable instruction drivers/gpu/drm/drm_dp_mst_topology.c:364:23: warning: 'hdrlen' may be used uninitialized in this function [-Wuninitialized] block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x17: unreachable instruction fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x5c: unreachable instruction mm/zsmalloc.o: warning: objtool: zs_page_migrate()+0x12f: unreachable instruction lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] net/core/filter.o: warning: objtool: bpf_convert_filter()+0x6dc: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x271: unreachable instruction fs/freevxfs/vxfs_bmap.o: warning: objtool: vxfs_bmap1()+0x28b: unreachable instruction kernel/audit_watch.o: warning: objtool: audit_watch_handle_event()+0x2f: unreachable instruction fs/fscache/cookie.o: warning: objtool: fscache_alloc_object()+0x12e: unreachable instruction fs/gfs2/bmap.c:926:18: warning: 'height' may be used uninitialized in this function [-Wuninitialized] fs/gfs2/bmap.c:786:15: warning: 'len' may be used uninitialized in this function [-Wuninitialized] fs/gfs2/dir.o: warning: objtool: gfs2_dir_get_hash_table()+0x1f: unreachable instruction fs/fuse/dev.o: warning: objtool: fuse_copy_fill()+0x5b: unreachable instruction block/cfq-iosched.o: warning: objtool: cfq_should_idle()+0x2f: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x41: unreachable instruction fs/freevxfs/vxfs_olt.o: warning: objtool: vxfs_read_olt()+0x2a: unreachable instruction fs/dlm/lock.o: warning: objtool: add_lkb()+0x63: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_indirect_init()+0x3d: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x66: unreachable instruction mm/slub.o: warning: objtool: sysfs_slab_add()+0xe2: unreachable instruction fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x3a: unreachable instruction fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x28: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: __set_extent_bit()+0xd2: unreachable instruction block/bfq-iosched.c:4110:11: warning: 'bfqd' may be used uninitialized in this function [-Wuninitialized] lib/rhashtable.c:264:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x249: unreachable instruction fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x57: unreachable instruction fs/gfs2/aops.o: warning: objtool: gfs2_invalidatepage()+0x41: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepages_fill()+0x27d: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x1f: unreachable instruction fs/hfs/btree.o: warning: objtool: hfs_btree_open()+0xac: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x7a: unreachable instruction net/key/af_key.o: warning: objtool: pfkey_send_new_mapping()+0x161: unreachable instruction fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x3f: unreachable instruction drivers/infiniband/core/rw.o: warning: objtool: ib_dma_map_sg.isra.8()+0x3b: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0xf7: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0xb9: unreachable instruction net/ipv6/ip6_fib.o: warning: objtool: fib6_add()+0x684: unreachable instruction net/l2tp/l2tp_core.o: warning: objtool: l2tp_session_queue_purge()+0x11: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x5a: unreachable instruction net/ipv6/ip6_output.o: warning: objtool: ip6_fragment()+0x23f: unreachable instruction fs/hfsplus/xattr.o: warning: objtool: __hfsplus_setxattr()+0x35a: unreachable instruction lib/list_debug.o: warning: objtool: __list_add_valid()+0x23: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_rbm_find()+0x1b3: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x3e: unreachable instruction fs/gfs2/quota.o: warning: objtool: hlist_bl_add_head_rcu()+0x23: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_chksum.isra.13()+0x14: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_chksum.isra.2()+0x14: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x4ab: unreachable instruction drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/attrib.o: warning: objtool: ntfs_attr_find_in_attrdef()+0x15: unreachable instruction fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x23: unreachable instruction sound/soc/codecs/wm8978.c:814:5: warning: 'diff' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/collate.o: warning: objtool: ntfs_collate_ntofs_ulong()+0x45: unreachable instruction fs/jbd2/transaction.o: warning: objtool: jbd2_journal_file_inode()+0xcb: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: btrfs_release_delayed_item()+0x2c: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x1d: unreachable instruction fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0xa6: unreachable instruction fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x2f: unreachable instruction fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x29: unreachable instruction fs/btrfs/relocation.o: warning: objtool: select_reloc_root()+0x49: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_repair_page_from_good_copy()+0x2e: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0x49: unreachable instruction net/ipv4/ip_output.o: warning: objtool: ip_do_fragment()+0x1b4: unreachable instruction fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x1a3: unreachable instruction fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x43: unreachable instruction fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0x100: unreachable instruction fs/ntfs/index.o: warning: objtool: ntfs_index_lookup()+0x66: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x2d: unreachable instruction fs/ocfs2/cluster/heartbeat.o: warning: objtool: o2hb_queue_node_event()+0x3a: unreachable instruction fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x58: unreachable instruction fs/jbd2/journal.o: warning: objtool: get_slab()+0x13: unreachable instruction drivers/infiniband/core/iwcm.o: warning: objtool: iwcm_deref_id()+0x2e: unreachable instruction fs/btrfs/backref.o: warning: objtool: find_parent_nodes()+0xe2: unreachable instruction fs/notify/mark.o: warning: objtool: fsnotify_add_mark_locked()+0x43: unreachable instruction net/ipv4/inet_connection_sock.o: warning: objtool: inet_child_forget()+0x9b: unreachable instruction fs/btrfs/send.o: warning: objtool: send_create_inode()+0x248: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0x70: unreachable instruction lib/oid_registry.o: warning: objtool: sprint_OID()+0xe: unreachable instruction net/netlink/genetlink.o: warning: objtool: genl_register_family()+0x1a3: unreachable instruction drivers/mailbox/bcm-pdc-mailbox.o: warning: objtool: dma_map_sg_attrs.constprop.11()+0x3b: unreachable instruction fs/ntfs/file.o: warning: objtool: ntfs_perform_write.isra.11()+0x336: unreachable instruction fs/ntfs/mft.o: warning: objtool: unmap_mft_record()+0x15: unreachable instruction net/rfkill/core.o: warning: objtool: rfkill_init_sw_state()+0x17: unreachable instruction fs/ntfs/inode.o: warning: objtool: ntfs_init_locked_inode()+0x5c: unreachable instruction net/packet/af_packet.o: warning: objtool: tpacket_rcv()+0x42e: unreachable instruction drivers/gpu/drm/drm_mm.o: warning: objtool: drm_mm_remove_node()+0x24: unreachable instruction net/rxrpc/af_rxrpc.o: warning: objtool: af_rxrpc_exit()+0xaf: unreachable instruction net/ipv4/tcp_input.o: warning: objtool: tcp_shifted_skb()+0x31: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x19: unreachable instruction fs/ntfs/sysctl.o: warning: objtool: ntfs_sysctl()+0x14: unreachable instruction net/sctp/sm_sideeffect.o: warning: objtool: sctp_do_sm()+0xe0: unreachable instruction fs/ntfs/bitmap.o: warning: objtool: __ntfs_bitmap_set_bits_in_run()+0x2a: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xb4: unreachable instruction fs/ntfs/lcnalloc.o: warning: objtool: ntfs_cluster_alloc()+0x7e: unreachable instruction fs/btrfs/check-integrity.o: warning: objtool: btrfsic_block_link_hashtable_lookup()+0x35: unreachable instruction fs/ntfs/runlist.o: warning: objtool: ntfs_are_rl_mergeable()+0xb: unreachable instruction net/rxrpc/call_accept.o: warning: objtool: rxrpc_new_incoming_call()+0x12a: unreachable instruction fs/ocfs2/cluster/quorum.o: warning: objtool: o2quo_clear_hold.constprop.1()+0x29: unreachable instruction fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock.isra.18()+0x2a: unreachable instruction lib/ioremap.o: warning: objtool: ioremap_page_range()+0x2f: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x20: unreachable instruction net/xfrm/xfrm_policy.o: warning: objtool: xfrm_policy_destroy()+0x15: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x23: unreachable instruction fs/ntfs/logfile.o: warning: objtool: ntfs_check_logfile()+0x4e8: unreachable instruction include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] lib/kobject.o: warning: objtool: kobject_add_internal()+0x158: unreachable instruction drivers/net/caif/caif_virtio.o: warning: objtool: cfv_netdev_open()+0xef: unreachable instruction drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0x43: unreachable instruction drivers/gpu/drm/drm_atomic.c:760:38: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] net/smc/smc_ib.o: warning: objtool: smc_ib_buf_map_sg()+0x31: unreachable instruction fs/ntfs/super.o: warning: objtool: load_system_files()+0x14d: unreachable instruction net/rxrpc/call_object.o: warning: objtool: rxrpc_prepare_call_for_retry()+0x9e: unreachable instruction net/rxrpc/conn_client.o: warning: objtool: rxrpc_put_client_conn()+0x57: unreachable instruction fs/ocfs2/cluster/tcp.o: warning: objtool: o2net_set_nn_state()+0x42: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x40: unreachable instruction fs/ocfs2/dlm/dlmdebug.o: warning: objtool: __dlm_print_one_lock_resource()+0x34: unreachable instruction fs/ocfs2/dlm/dlmdomain.o: warning: objtool: dlm_put()+0x37: unreachable instruction fs/ocfs2/dlmfs/userdlm.o: warning: objtool: user_unlock_ast()+0xaa: unreachable instruction net/ipv4/tcp_output.o: warning: objtool: __tcp_transmit_skb()+0x2c: unreachable instruction net/rxrpc/conn_object.o: warning: objtool: rxrpc_kill_connection()+0x42: unreachable instruction include/net/sock.h:1926:19: warning: 'sk' may be used uninitialized in this function [-Wuninitialized] fs/quota/dquot.o: warning: objtool: dqput()+0x76: unreachable instruction fs/ocfs2/dlm/dlmthread.o: warning: objtool: dlm_flush_asts()+0xb3: unreachable instruction fs/reiserfs/do_balan.o: warning: objtool: balance_leaf()+0x71: unreachable instruction fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0xd3: unreachable instruction fs/ocfs2/dlmfs/dlmfs.o: warning: objtool: dlmfs_get_inode()+0x90: unreachable instruction fs/ufs/balloc.o: warning: objtool: ufs_new_fragments()+0x99a: unreachable instruction net/ipv4/tcp_fastopen.o: warning: objtool: tcp_fastopen_add_skb()+0xec: unreachable instruction fs/ocfs2/dlm/dlmrecovery.o: warning: objtool: dlm_process_recovery_data()+0xb9: unreachable instruction fs/ocfs2/dlm/dlmmaster.o: warning: objtool: dlm_get_mle_inuse()+0x28: unreachable instruction fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x3d: unreachable instruction drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_probe()+0x188: unreachable instruction fs/ocfs2/dlm/dlmast.o: warning: objtool: __dlm_queue_ast()+0x1e: unreachable instruction drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c:311:34: warning: 'data' may be used uninitialized in this function [-Wuninitialized] drivers/mfd/wm8994-core.o: warning: objtool: wm8994_i2c_probe()+0x144: unreachable instruction fs/ufs/super.o: warning: objtool: ufs_show_options()+0x3e: unreachable instruction fs/ocfs2/dlm/dlmconvert.o: warning: objtool: dlm_convert_lock_handler()+0xe0: unreachable instruction fs/ocfs2/dlm/dlmlock.o: warning: objtool: dlm_lock_put()+0x31: unreachable instruction net/rxrpc/key.o: warning: objtool: rxrpc_read()+0x1ff: unreachable instruction fs/exec.o: warning: objtool: flush_old_exec()+0x1bf: unreachable instruction drivers/video/backlight/adp8860_bl.c:579:10: warning: 'ret_val' may be used uninitialized in this function [-Wuninitialized] fs/reiserfs/stree.o: warning: objtool: reiserfs_cut_from_item()+0x4c: unreachable instruction fs/ocfs2/dlm/dlmunlock.o: warning: objtool: dlmunlock_common()+0x7d: unreachable instruction drivers/net/ethernet/marvell/pxa168_eth.o: warning: objtool: pxa168_eth_probe()+0xa7: unreachable instruction fs/dcache.o: warning: objtool: hlist_bl_add_head_rcu()+0x23: unreachable instruction include/linux/spinlock.h:384:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] fs/namei.o: warning: objtool: unlazy_walk()+0x17: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x1da: unreachable instruction fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x3f: unreachable instruction drivers/staging/comedi/drivers/pcl818.c:337:6: warning: 'last_chan' may be used uninitialized in this function [-Wuninitialized] net/rxrpc/local_object.o: warning: objtool: rxrpc_local_processor()+0x12d: unreachable instruction drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x59: unreachable instruction net/tipc/socket.c:1704:27: warning: 'copy' may be used uninitialized in this function [-Wuninitialized] drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x5b: unreachable instruction fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x33: unreachable instruction fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] drivers/net/ethernet/broadcom/genet/bcmgenet.o: warning: objtool: bcmgenet_xmit()+0x276: unreachable instruction fs/ocfs2/alloc.o: warning: objtool: ocfs2_adjust_adjacent_records()+0x26: unreachable instruction net/rxrpc/recvmsg.o: warning: objtool: rxrpc_recvmsg_data.isra.5()+0x258: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0xf8: unreachable instruction fs/file.o: warning: objtool: expand_files()+0x108: unreachable instruction drivers/scsi/scsi_lib.o: warning: objtool: scsi_init_io()+0x10a: unreachable instruction net/rxrpc/peer_object.o: warning: objtool: rxrpc_init_peer()+0x176: unreachable instruction drivers/staging/comedi/drivers/dt282x.c:389:5: warning: 'divider' may be used uninitialized in this function [-Wuninitialized] drivers/staging/comedi/drivers/dt282x.c:394:16: warning: 'base' may be used uninitialized in this function [-Wuninitialized] fs/inode.o: warning: objtool: clear_inode()+0x25: unreachable instruction fs/splice.c:1358:22: warning: 'type' may be used uninitialized in this function [-Wuninitialized] drivers/xen/events/events_base.o: warning: objtool: pirq_from_irq()+0x10: unreachable instruction fs/ocfs2/aops.o: warning: objtool: ocfs2_figure_cluster_boundaries.isra.29()+0x32: unreachable instruction net/rxrpc/sendmsg.o: warning: objtool: rxrpc_send_data()+0x541: unreachable instruction fs/buffer.o: warning: objtool: end_buffer_async_read()+0x1a: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0x207: unreachable instruction fs/direct-io.o: warning: objtool: do_blockdev_direct_IO()+0x595: unreachable instruction fs/ocfs2/dcache.o: warning: objtool: ocfs2_dentry_attach_lock()+0xbd: unreachable instruction drivers/tty/serial/atmel_serial.o: warning: objtool: dma_map_sg_attrs.constprop.34()+0x23: unreachable instruction fs/ocfs2/buffer_head_io.o: warning: objtool: ocfs2_write_block()+0x21: unreachable instruction fs/mpage.o: warning: objtool: __mpage_writepage()+0x96: unreachable instruction drivers/spi/spi-ep93xx.o: warning: objtool: ep93xx_spi_dma_prepare()+0x213: unreachable instruction fs/ocfs2/dlmglue.o: warning: objtool: lockres_set_pending()+0x26: unreachable instruction drivers/staging/erofs/data.o: warning: objtool: erofs_get_meta_page()+0x76: unreachable instruction drivers/tty/serial/fsl_lpuart.o: warning: objtool: lpuart_resume()+0x1a7: unreachable instruction drivers/staging/erofs/namei.o: warning: objtool: erofs_namei()+0xf8: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_ioctl()+0x28b: unreachable instruction drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x39: unreachable instruction drivers/staging/erofs/utils.o: warning: objtool: erofs_allocpage()+0x6b: unreachable instruction drivers/staging/erofs/inode.o: warning: objtool: erofs_iget()+0xee: unreachable instruction fs/ocfs2/extent_map.o: warning: objtool: ocfs2_read_virt_blocks()+0x56: unreachable instruction fs/aio.o: warning: objtool: aio_nr_sub()+0x22: unreachable instruction fs/locks.o: warning: objtool: locks_free_lock()+0x1f: unreachable instruction fs/ocfs2/dir.o: warning: objtool: ocfs2_extend_dir()+0x71: unreachable instruction drivers/scsi/scsi_transport_iscsi.o: warning: objtool: iscsi_unregister_transport()+0x11: unreachable instruction drivers/xen/grant-table.o: warning: objtool: gnttab_map()+0x28: unreachable instruction fs/ocfs2/file.o: warning: objtool: ocfs2_extend_allocation()+0x100: unreachable instruction fs/ocfs2/journal.o: warning: objtool: ocfs2_replay_journal()+0x2c9: unreachable instruction fs/ocfs2/localalloc.o: warning: objtool: ocfs2_claim_local_alloc_bits()+0x3d: unreachable instruction fs/ocfs2/inode.o: warning: objtool: ocfs2_clear_inode()+0x87: unreachable instruction drivers/scsi/scsi_transport_fc.o: warning: objtool: fc_bsg_dispatch()+0x76: unreachable instruction drivers/target/target_core_user.c:662:29: warning: 'dbi' may be used uninitialized in this function [-Wuninitialized] drivers/net/tun.c:1794:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] drivers/net/tun.c:1504:34: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] fs/ocfs2/reservations.o: warning: objtool: ocfs2_resv_insert()+0x35: unreachable instruction fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.21()+0x2e: unreachable instruction drivers/net/tun.o: warning: objtool: tun_detach_all()+0x2d: unreachable instruction fs/ocfs2/suballoc.o: warning: objtool: ocfs2_block_group_search()+0x25: unreachable instruction fs/ocfs2/slot_map.o: warning: objtool: ocfs2_refresh_slot_info()+0x20: 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/sysfile.o: warning: objtool: ocfs2_get_system_file_inode()+0x36: unreachable instruction fs/ocfs2/super.o: warning: objtool: ocfs2_dismount_volume()+0x1c: unreachable instruction fs/ocfs2/stack_user.o: warning: objtool: ocfs2_control_write()+0x473: unreachable instruction fs/ocfs2/move_extents.o: warning: objtool: ocfs2_defrag_extent()+0x85: unreachable instruction fs/ocfs2/namei.o: warning: objtool: ocfs2_rename()+0x1a1: unreachable instruction fs/ocfs2/stack_o2cb.o: warning: objtool: o2cb_cluster_connect()+0x17: unreachable instruction net/ipv4/ping.o: warning: objtool: ping_getfrag()+0x21: unreachable instruction fs/ocfs2/filecheck.o: warning: objtool: ocfs2_filecheck_attr_store()+0x169: unreachable instruction fs/ocfs2/xattr.o: warning: objtool: ocfs2_xa_fill_value_buf()+0x25: unreachable instruction drivers/staging/speakup/varhandlers.o: warning: objtool: spk_get_var()+0xb: unreachable instruction fs/ocfs2/refcounttree.o: warning: objtool: ocfs2_refcount_cal_cow_clusters()+0x6b: unreachable instruction Full Log # git rev-parse -q --verify 90ad18418c2d3db23ee827cdd74fed2ca9b70a18^{commit} 90ad18418c2d3db23ee827cdd74fed2ca9b70a18 already have revision, skipping fetch # git checkout -q -f -B kisskb 90ad18418c2d3db23ee827cdd74fed2ca9b70a18 # git clean -qxdf # < git log -1 # commit 90ad18418c2d3db23ee827cdd74fed2ca9b70a18 # Merge: 0778a9f2dd92 6b9bab550cac # Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org> # Date: Fri Oct 12 09:01:59 2018 +0200 # # Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net # # David writes: # "Networking # # 1) RXRPC receive path fixes from David Howells. # # 2) Re-export __skb_recv_udp(), from Jiri Kosina. # # 3) Fix refcounting in u32 classificer, from Al Viro. # # 4) Userspace netlink ABI fixes from Eugene Syromiatnikov. # # 5) Don't double iounmap on rmmod in ena driver, from Arthur # Kiyanovski. # # 6) Fix devlink string attribute handling, we must pull a copy into a # kernel buffer if the lifetime extends past the netlink request. # From Moshe Shemesh. # # 7) Fix hangs in RDS, from Ka-Cheong Poon. # # 8) Fix recursive locking lockdep warnings in tipc, from Ying Xue. # # 9) Clear RX irq correctly in socionext, from Ilias Apalodimas. # # 10) bcm_sf2 fixes from Florian Fainelli." # # * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (38 commits) # net: dsa: bcm_sf2: Call setup during switch resume # net: dsa: bcm_sf2: Fix unbind ordering # net: phy: sfp: remove sfp_mutex's definition # r8169: set RX_MULTI_EN bit in RxConfig for 8168F-family chips # net: socionext: clear rx irq correctly # net/mlx4_core: Fix warnings during boot on driverinit param set failures # tipc: eliminate possible recursive locking detected by LOCKDEP # selftests: udpgso_bench.sh explicitly requires bash # selftests: rtnetlink.sh explicitly requires bash. # qmi_wwan: Added support for Gemalto's Cinterion ALASxx WWAN interface # tipc: queue socket protocol error messages into socket receive buffer # tipc: set link tolerance correctly in broadcast link # net: ipv4: don't let PMTU updates increase route MTU # net: ipv4: update fnhe_pmtu when first hop's MTU changes # net/ipv6: stop leaking percpu memory in fib6 info # rds: RDS (tcp) hangs on sendto() to unresponding address # net: make skb_partial_csum_set() more robust against overflows # devlink: Add helper function for safely copy string param # devlink: Fix param cmode driverinit for string type # devlink: Fix param set handling for string type # ... # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 90ad18418c2d3db23ee827cdd74fed2ca9b70a18 # < make -s -j 80 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- randconfig KCONFIG_SEED=0x1B7A72A4 # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n # Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n # Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n # yes \n \| make -s -j 80 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 80 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- /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(); } ^~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/xen/enlighten.o: warning: objtool: xen_vcpu_restore()+0x89: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0xf: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x2e: unreachable instruction arch/x86/kvm/emulate.o: warning: objtool: writeback()+0x15b: unreachable instruction arch/x86/xen/multicalls.o: warning: objtool: xen_mc_flush()+0x46: unreachable instruction kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xec: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: find_css_set()+0x197: unreachable instruction /kisskb/src/arch/x86/kvm/x86.c: In function 'vgettsc': /kisskb/src/arch/x86/kvm/x86.c:1780:11: warning: 'v' may be used uninitialized in this function [-Wuninitialized] crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x21: unreachable instruction arch/x86/kvm/mmu.o: warning: objtool: pte_list_remove()+0x1d: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x1d: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x13: unreachable instruction arch/x86/mm/fault.o: warning: objtool: vmalloc_fault()+0xf7: unreachable instruction /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1256:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] arch/x86/mm/init_64.o: warning: objtool: sync_global_pgds()+0xf9: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x83: unreachable instruction /kisskb/src/arch/x86/xen/mmu.c: In function 'do_remap_pfn.isra.7': /kisskb/src/arch/x86/xen/mmu.c:156:12: warning: 'i' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/cpu/common.o: warning: objtool: identify_secondary_cpu()+0x15: 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] /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] /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] arch/x86/kernel/quirks.o: warning: objtool: force_hpet_resume()+0x30: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x25: unreachable instruction arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x30: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x25: unreachable instruction kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x15: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x16: unreachable instruction mm/kasan/kasan_init.o: warning: objtool: kasan_remove_zero_shadow()+0x485: unreachable instruction kernel/power/suspend.o: warning: objtool: suspend_devices_and_enter()+0x33a: unreachable instruction arch/x86/kvm/vmx.o: warning: objtool: vmx_set_msr()+0x65e: unreachable instruction crypto/api.o: warning: objtool: __crypto_alloc_tfm()+0x42: unreachable instruction drivers/ata/libata-core.o: warning: objtool: ata_qc_issue()+0x135: unreachable instruction net/9p/trans_virtio.o: warning: objtool: pack_sg_list_p.constprop.6()+0x31: 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/sched/core.o: warning: objtool: sched_cpu_dying()+0x50: unreachable instruction net/bluetooth/af_bluetooth.o: warning: objtool: bt_sock_reclassify_lock()+0x18: unreachable instruction block/blk-core.o: warning: objtool: __blk_put_request()+0xe4: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0x8c: unreachable instruction kernel/time/hrtimer.o: warning: objtool: hrtimers_dead_cpu()+0x25: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x33: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x2b: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x127: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x17: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x2f: unreachable instruction kernel/rcu/tree.o: warning: objtool: rcu_init()+0x1c9: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x1e: unreachable instruction arch/x86/kvm/svm.o: warning: objtool: svm_cache_reg()+0x19: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x6f: unreachable instruction fs/cachefiles/daemon.o: warning: objtool: cachefiles_daemon_release()+0x62: unreachable instruction arch/x86/mm/physaddr.o: warning: objtool: __phys_addr()+0x23: unreachable instruction fs/cachefiles/key.o: warning: objtool: cachefiles_cook_key()+0x58: 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] /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/cachefiles/bind.o: warning: objtool: cachefiles_daemon_bind()+0xa4: unreachable instruction mm/page_alloc.o: warning: objtool: __offline_isolated_pages()+0xd4: unreachable instruction fs/cachefiles/interface.o: warning: objtool: cachefiles_put_object()+0x2d: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0xaf: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x2b: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x27: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x58: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x22: unreachable instruction fs/cachefiles/namei.o: warning: objtool: cachefiles_delete_object()+0x76: unreachable instruction kernel/sched/rt.o: warning: objtool: dequeue_top_rt_rq()+0x19: unreachable instruction mm/truncate.o: warning: objtool: invalidate_inode_pages2_range()+0x14d: unreachable instruction drivers/clocksource/clps711x-timer.o: warning: objtool: clps711x_clksrc_init()+0x49: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x18: unreachable instruction kernel/params.o: warning: objtool: param_sysfs_init()+0x144: unreachable instruction fs/cachefiles/rdwr.o: warning: objtool: cachefiles_read_waiter()+0x48: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x2b: unreachable instruction net/ceph/messenger.o: warning: objtool: con_out_kvec_skip()+0x41: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0xaf: 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 kernel/cred.o: warning: objtool: __put_cred()+0x1b: unreachable instruction kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x32: unreachable instruction fs/cachefiles/xattr.o: warning: objtool: cachefiles_check_object_type()+0x38: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xc3: unreachable instruction net/core/skbuff.o: warning: objtool: pskb_expand_head()+0x2c: unreachable instruction net/ceph/osdmap.o: warning: objtool: crush_decode()+0xe25: unreachable instruction net/ceph/mon_client.o: warning: objtool: __open_session()+0x1d: 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] mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x6a: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0xe7: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x212: unreachable instruction net/ceph/osd_client.o: warning: objtool: insert_request()+0x1b: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one()+0x8b: unreachable instruction mm/gup.o: warning: objtool: __get_user_pages()+0x177: unreachable instruction net/core/flow_dissector.o: warning: objtool: skb_flow_dissector_init()+0x35: unreachable instruction mm/memory.o: warning: objtool: remap_pfn_range()+0xa7: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x3d: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x1f: 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] /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3365:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/selftests/test-drm_mm.o: warning: objtool: __igt_reserve()+0x48: unreachable instruction drivers/base/devres.o: warning: objtool: release_nodes()+0xc0: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x115: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x2e: unreachable instruction mm/vmalloc.o: warning: objtool: alloc_vmap_area.isra.15()+0x29: unreachable instruction net/core/dev.o: warning: objtool: skb_checksum_help()+0x8c: unreachable instruction mm/memory_hotplug.o: warning: objtool: __remove_pages()+0x7e: unreachable instruction /kisskb/src/sound/core/pcm_iec958.c: In function 'create_iec958_consumer': /kisskb/src/sound/core/pcm_iec958.c:80:9: warning: 'ws' may be used uninitialized in this function [-Wuninitialized] crypto/drbg.o: warning: objtool: drbg_async_seed()+0x46: unreachable instruction mm/migrate.o: warning: objtool: buffer_migrate_page()+0x39: unreachable instruction mm/mmu_notifier.o: warning: objtool: do_mmu_notifier_register()+0x38: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x1c5: unreachable instruction fs/btrfs/inode.o: warning: objtool: run_delalloc_nocow()+0x493: unreachable instruction drivers/hwspinlock/hwspinlock_core.o: warning: objtool: __hwspin_trylock()+0x1f: unreachable instruction mm/page_isolation.o: warning: objtool: start_isolate_page_range()+0x25: unreachable instruction /kisskb/src/mm/memcontrol.c: In function 'mem_cgroup_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 mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x29: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x193: unreachable instruction mm/memcontrol.o: warning: objtool: mem_cgroup_reset()+0x6b: unreachable instruction kernel/audit_fsnotify.o: warning: objtool: audit_mark_handle_event()+0x28: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_msg_build': /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c:364:23: warning: 'hdrlen' may be used uninitialized in this function [-Wuninitialized] block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x17: unreachable instruction fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x5c: unreachable instruction mm/zsmalloc.o: warning: objtool: zs_page_migrate()+0x12f: unreachable instruction /kisskb/src/lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] net/core/filter.o: warning: objtool: bpf_convert_filter()+0x6dc: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x271: unreachable instruction fs/freevxfs/vxfs_bmap.o: warning: objtool: vxfs_bmap1()+0x28b: unreachable instruction kernel/audit_watch.o: warning: objtool: audit_watch_handle_event()+0x2f: unreachable instruction fs/fscache/cookie.o: warning: objtool: fscache_alloc_object()+0x12e: unreachable instruction /kisskb/src/fs/gfs2/bmap.c: In function 'gfs2_iomap_get': /kisskb/src/fs/gfs2/bmap.c:926:18: warning: 'height' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/gfs2/bmap.c:786:15: warning: 'len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/gfs2/bmap.c:817:6: note: 'len' was declared here fs/gfs2/dir.o: warning: objtool: gfs2_dir_get_hash_table()+0x1f: unreachable instruction fs/fuse/dev.o: warning: objtool: fuse_copy_fill()+0x5b: unreachable instruction block/cfq-iosched.o: warning: objtool: cfq_should_idle()+0x2f: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x41: unreachable instruction fs/freevxfs/vxfs_olt.o: warning: objtool: vxfs_read_olt()+0x2a: unreachable instruction fs/dlm/lock.o: warning: objtool: add_lkb()+0x63: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_indirect_init()+0x3d: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x66: unreachable instruction mm/slub.o: warning: objtool: sysfs_slab_add()+0xe2: unreachable instruction fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x3a: unreachable instruction fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x28: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: __set_extent_bit()+0xd2: 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] /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 fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x249: unreachable instruction fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x57: unreachable instruction fs/gfs2/aops.o: warning: objtool: gfs2_invalidatepage()+0x41: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepages_fill()+0x27d: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x1f: unreachable instruction fs/hfs/btree.o: warning: objtool: hfs_btree_open()+0xac: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x7a: unreachable instruction net/key/af_key.o: warning: objtool: pfkey_send_new_mapping()+0x161: unreachable instruction fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x3f: unreachable instruction drivers/infiniband/core/rw.o: warning: objtool: ib_dma_map_sg.isra.8()+0x3b: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0xf7: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0xb9: unreachable instruction net/ipv6/ip6_fib.o: warning: objtool: fib6_add()+0x684: unreachable instruction net/l2tp/l2tp_core.o: warning: objtool: l2tp_session_queue_purge()+0x11: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x5a: unreachable instruction net/ipv6/ip6_output.o: warning: objtool: ip6_fragment()+0x23f: unreachable instruction fs/hfsplus/xattr.o: warning: objtool: __hfsplus_setxattr()+0x35a: unreachable instruction lib/list_debug.o: warning: objtool: __list_add_valid()+0x23: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_rbm_find()+0x1b3: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x3e: unreachable instruction fs/gfs2/quota.o: warning: objtool: hlist_bl_add_head_rcu()+0x23: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_chksum.isra.13()+0x14: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_chksum.isra.2()+0x14: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x4ab: 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/ntfs/attrib.o: warning: objtool: ntfs_attr_find_in_attrdef()+0x15: unreachable instruction fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x23: unreachable instruction /kisskb/src/sound/soc/codecs/wm8978.c: In function 'wm8978_hw_params': /kisskb/src/sound/soc/codecs/wm8978.c:814:5: warning: 'diff' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/collate.o: warning: objtool: ntfs_collate_ntofs_ulong()+0x45: unreachable instruction fs/jbd2/transaction.o: warning: objtool: jbd2_journal_file_inode()+0xcb: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: btrfs_release_delayed_item()+0x2c: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x1d: unreachable instruction fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0xa6: unreachable instruction fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x2f: unreachable instruction fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x29: unreachable instruction fs/btrfs/relocation.o: warning: objtool: select_reloc_root()+0x49: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_repair_page_from_good_copy()+0x2e: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0x49: unreachable instruction net/ipv4/ip_output.o: warning: objtool: ip_do_fragment()+0x1b4: unreachable instruction fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x1a3: unreachable instruction fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x43: unreachable instruction fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0x100: unreachable instruction fs/ntfs/index.o: warning: objtool: ntfs_index_lookup()+0x66: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x2d: unreachable instruction fs/ocfs2/cluster/heartbeat.o: warning: objtool: o2hb_queue_node_event()+0x3a: unreachable instruction fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x58: unreachable instruction fs/jbd2/journal.o: warning: objtool: get_slab()+0x13: unreachable instruction drivers/infiniband/core/iwcm.o: warning: objtool: iwcm_deref_id()+0x2e: unreachable instruction fs/btrfs/backref.o: warning: objtool: find_parent_nodes()+0xe2: unreachable instruction fs/notify/mark.o: warning: objtool: fsnotify_add_mark_locked()+0x43: unreachable instruction net/ipv4/inet_connection_sock.o: warning: objtool: inet_child_forget()+0x9b: unreachable instruction fs/btrfs/send.o: warning: objtool: send_create_inode()+0x248: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0x70: unreachable instruction lib/oid_registry.o: warning: objtool: sprint_OID()+0xe: unreachable instruction net/netlink/genetlink.o: warning: objtool: genl_register_family()+0x1a3: unreachable instruction drivers/mailbox/bcm-pdc-mailbox.o: warning: objtool: dma_map_sg_attrs.constprop.11()+0x3b: unreachable instruction fs/ntfs/file.o: warning: objtool: ntfs_perform_write.isra.11()+0x336: unreachable instruction fs/ntfs/mft.o: warning: objtool: unmap_mft_record()+0x15: unreachable instruction net/rfkill/core.o: warning: objtool: rfkill_init_sw_state()+0x17: unreachable instruction fs/ntfs/inode.o: warning: objtool: ntfs_init_locked_inode()+0x5c: unreachable instruction net/packet/af_packet.o: warning: objtool: tpacket_rcv()+0x42e: unreachable instruction drivers/gpu/drm/drm_mm.o: warning: objtool: drm_mm_remove_node()+0x24: unreachable instruction net/rxrpc/af_rxrpc.o: warning: objtool: af_rxrpc_exit()+0xaf: unreachable instruction net/ipv4/tcp_input.o: warning: objtool: tcp_shifted_skb()+0x31: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x19: unreachable instruction fs/ntfs/sysctl.o: warning: objtool: ntfs_sysctl()+0x14: unreachable instruction net/sctp/sm_sideeffect.o: warning: objtool: sctp_do_sm()+0xe0: unreachable instruction fs/ntfs/bitmap.o: warning: objtool: __ntfs_bitmap_set_bits_in_run()+0x2a: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xb4: unreachable instruction fs/ntfs/lcnalloc.o: warning: objtool: ntfs_cluster_alloc()+0x7e: unreachable instruction fs/btrfs/check-integrity.o: warning: objtool: btrfsic_block_link_hashtable_lookup()+0x35: unreachable instruction fs/ntfs/runlist.o: warning: objtool: ntfs_are_rl_mergeable()+0xb: unreachable instruction net/rxrpc/call_accept.o: warning: objtool: rxrpc_new_incoming_call()+0x12a: unreachable instruction fs/ocfs2/cluster/quorum.o: warning: objtool: o2quo_clear_hold.constprop.1()+0x29: unreachable instruction fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock.isra.18()+0x2a: unreachable instruction lib/ioremap.o: warning: objtool: ioremap_page_range()+0x2f: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x20: unreachable instruction net/xfrm/xfrm_policy.o: warning: objtool: xfrm_policy_destroy()+0x15: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x23: unreachable instruction fs/ntfs/logfile.o: warning: objtool: ntfs_check_logfile()+0x4e8: unreachable instruction /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:341:21: note: 'pdeo' was declared here lib/kobject.o: warning: objtool: kobject_add_internal()+0x158: unreachable instruction drivers/net/caif/caif_virtio.o: warning: objtool: cfv_netdev_open()+0xef: unreachable instruction drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0x43: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'drm_atomic_check_only': /kisskb/src/drivers/gpu/drm/drm_atomic.c:760:38: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic.c:744:25: note: 'crtc_state' was declared here net/smc/smc_ib.o: warning: objtool: smc_ib_buf_map_sg()+0x31: unreachable instruction fs/ntfs/super.o: warning: objtool: load_system_files()+0x14d: unreachable instruction net/rxrpc/call_object.o: warning: objtool: rxrpc_prepare_call_for_retry()+0x9e: unreachable instruction net/rxrpc/conn_client.o: warning: objtool: rxrpc_put_client_conn()+0x57: unreachable instruction fs/ocfs2/cluster/tcp.o: warning: objtool: o2net_set_nn_state()+0x42: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x40: unreachable instruction fs/ocfs2/dlm/dlmdebug.o: warning: objtool: __dlm_print_one_lock_resource()+0x34: unreachable instruction fs/ocfs2/dlm/dlmdomain.o: warning: objtool: dlm_put()+0x37: unreachable instruction fs/ocfs2/dlmfs/userdlm.o: warning: objtool: user_unlock_ast()+0xaa: unreachable instruction net/ipv4/tcp_output.o: warning: objtool: __tcp_transmit_skb()+0x2c: unreachable instruction net/rxrpc/conn_object.o: warning: objtool: rxrpc_kill_connection()+0x42: unreachable instruction /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 fs/quota/dquot.o: warning: objtool: dqput()+0x76: unreachable instruction fs/ocfs2/dlm/dlmthread.o: warning: objtool: dlm_flush_asts()+0xb3: unreachable instruction fs/reiserfs/do_balan.o: warning: objtool: balance_leaf()+0x71: unreachable instruction fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0xd3: unreachable instruction fs/ocfs2/dlmfs/dlmfs.o: warning: objtool: dlmfs_get_inode()+0x90: unreachable instruction fs/ufs/balloc.o: warning: objtool: ufs_new_fragments()+0x99a: unreachable instruction net/ipv4/tcp_fastopen.o: warning: objtool: tcp_fastopen_add_skb()+0xec: unreachable instruction fs/ocfs2/dlm/dlmrecovery.o: warning: objtool: dlm_process_recovery_data()+0xb9: unreachable instruction fs/ocfs2/dlm/dlmmaster.o: warning: objtool: dlm_get_mle_inuse()+0x28: unreachable instruction fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x3d: unreachable instruction drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_probe()+0x188: unreachable instruction fs/ocfs2/dlm/dlmast.o: warning: objtool: __dlm_queue_ast()+0x1e: unreachable instruction /kisskb/src/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c: In function 'xgene_sgmac_init': /kisskb/src/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c:311:34: warning: 'data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c:300:6: note: 'data' was declared here drivers/mfd/wm8994-core.o: warning: objtool: wm8994_i2c_probe()+0x144: unreachable instruction fs/ufs/super.o: warning: objtool: ufs_show_options()+0x3e: unreachable instruction fs/ocfs2/dlm/dlmconvert.o: warning: objtool: dlm_convert_lock_handler()+0xe0: unreachable instruction fs/ocfs2/dlm/dlmlock.o: warning: objtool: dlm_lock_put()+0x31: unreachable instruction net/rxrpc/key.o: warning: objtool: rxrpc_read()+0x1ff: unreachable instruction fs/exec.o: warning: objtool: flush_old_exec()+0x1bf: unreachable instruction /kisskb/src/drivers/video/backlight/adp8860_bl.c: In function 'adp8860_bl_ambient_light_level_show': /kisskb/src/drivers/video/backlight/adp8860_bl.c:579:10: warning: 'ret_val' may be used uninitialized in this function [-Wuninitialized] fs/reiserfs/stree.o: warning: objtool: reiserfs_cut_from_item()+0x4c: unreachable instruction fs/ocfs2/dlm/dlmunlock.o: warning: objtool: dlmunlock_common()+0x7d: unreachable instruction drivers/net/ethernet/marvell/pxa168_eth.o: warning: objtool: pxa168_eth_probe()+0xa7: unreachable instruction fs/dcache.o: warning: objtool: hlist_bl_add_head_rcu()+0x23: 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 fs/namei.o: warning: objtool: unlazy_walk()+0x17: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x1da: unreachable instruction fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x3f: unreachable instruction /kisskb/src/drivers/staging/comedi/drivers/pcl818.c: In function 'pcl818_ai_cmd': /kisskb/src/drivers/staging/comedi/drivers/pcl818.c:337:6: warning: 'last_chan' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/pcl818.c:347:15: note: 'last_chan' was declared here net/rxrpc/local_object.o: warning: objtool: rxrpc_local_processor()+0x12d: unreachable instruction drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x59: unreachable instruction /kisskb/src/net/tipc/socket.c: In function 'tipc_recvmsg': /kisskb/src/net/tipc/socket.c:1704:27: warning: 'copy' may be used uninitialized in this function [-Wuninitialized] drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x5b: unreachable instruction fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x33: unreachable instruction /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] drivers/net/ethernet/broadcom/genet/bcmgenet.o: warning: objtool: bcmgenet_xmit()+0x276: unreachable instruction fs/ocfs2/alloc.o: warning: objtool: ocfs2_adjust_adjacent_records()+0x26: unreachable instruction net/rxrpc/recvmsg.o: warning: objtool: rxrpc_recvmsg_data.isra.5()+0x258: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0xf8: unreachable instruction fs/file.o: warning: objtool: expand_files()+0x108: unreachable instruction drivers/scsi/scsi_lib.o: warning: objtool: scsi_init_io()+0x10a: unreachable instruction net/rxrpc/peer_object.o: warning: objtool: rxrpc_init_peer()+0x176: unreachable instruction /kisskb/src/drivers/staging/comedi/drivers/dt282x.c: In function 'dt282x_ns_to_timer': /kisskb/src/drivers/staging/comedi/drivers/dt282x.c:389:5: warning: 'divider' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/staging/comedi/drivers/dt282x.c:394:16: warning: 'base' may be used uninitialized in this function [-Wuninitialized] fs/inode.o: warning: objtool: clear_inode()+0x25: unreachable instruction /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] drivers/xen/events/events_base.o: warning: objtool: pirq_from_irq()+0x10: unreachable instruction fs/ocfs2/aops.o: warning: objtool: ocfs2_figure_cluster_boundaries.isra.29()+0x32: unreachable instruction net/rxrpc/sendmsg.o: warning: objtool: rxrpc_send_data()+0x541: unreachable instruction fs/buffer.o: warning: objtool: end_buffer_async_read()+0x1a: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0x207: unreachable instruction fs/direct-io.o: warning: objtool: do_blockdev_direct_IO()+0x595: unreachable instruction fs/ocfs2/dcache.o: warning: objtool: ocfs2_dentry_attach_lock()+0xbd: unreachable instruction drivers/tty/serial/atmel_serial.o: warning: objtool: dma_map_sg_attrs.constprop.34()+0x23: unreachable instruction fs/ocfs2/buffer_head_io.o: warning: objtool: ocfs2_write_block()+0x21: unreachable instruction fs/mpage.o: warning: objtool: __mpage_writepage()+0x96: unreachable instruction drivers/spi/spi-ep93xx.o: warning: objtool: ep93xx_spi_dma_prepare()+0x213: unreachable instruction fs/ocfs2/dlmglue.o: warning: objtool: lockres_set_pending()+0x26: unreachable instruction drivers/staging/erofs/data.o: warning: objtool: erofs_get_meta_page()+0x76: unreachable instruction drivers/tty/serial/fsl_lpuart.o: warning: objtool: lpuart_resume()+0x1a7: unreachable instruction drivers/staging/erofs/namei.o: warning: objtool: erofs_namei()+0xf8: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_ioctl()+0x28b: unreachable instruction drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x39: unreachable instruction drivers/staging/erofs/utils.o: warning: objtool: erofs_allocpage()+0x6b: unreachable instruction drivers/staging/erofs/inode.o: warning: objtool: erofs_iget()+0xee: unreachable instruction fs/ocfs2/extent_map.o: warning: objtool: ocfs2_read_virt_blocks()+0x56: unreachable instruction fs/aio.o: warning: objtool: aio_nr_sub()+0x22: unreachable instruction fs/locks.o: warning: objtool: locks_free_lock()+0x1f: unreachable instruction fs/ocfs2/dir.o: warning: objtool: ocfs2_extend_dir()+0x71: unreachable instruction drivers/scsi/scsi_transport_iscsi.o: warning: objtool: iscsi_unregister_transport()+0x11: unreachable instruction drivers/xen/grant-table.o: warning: objtool: gnttab_map()+0x28: unreachable instruction fs/ocfs2/file.o: warning: objtool: ocfs2_extend_allocation()+0x100: unreachable instruction fs/ocfs2/journal.o: warning: objtool: ocfs2_replay_journal()+0x2c9: unreachable instruction fs/ocfs2/localalloc.o: warning: objtool: ocfs2_claim_local_alloc_bits()+0x3d: unreachable instruction fs/ocfs2/inode.o: warning: objtool: ocfs2_clear_inode()+0x87: unreachable instruction drivers/scsi/scsi_transport_fc.o: warning: objtool: fc_bsg_dispatch()+0x76: 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 /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1794:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1504:34: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1704:46: note: 'linear' was declared here fs/ocfs2/reservations.o: warning: objtool: ocfs2_resv_insert()+0x35: unreachable instruction fs/iomap.o: warning: objtool: iomap_read_inline_data.isra.21()+0x2e: unreachable instruction drivers/net/tun.o: warning: objtool: tun_detach_all()+0x2d: unreachable instruction fs/ocfs2/suballoc.o: warning: objtool: ocfs2_block_group_search()+0x25: unreachable instruction fs/ocfs2/slot_map.o: warning: objtool: ocfs2_refresh_slot_info()+0x20: 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/sysfile.o: warning: objtool: ocfs2_get_system_file_inode()+0x36: unreachable instruction fs/ocfs2/super.o: warning: objtool: ocfs2_dismount_volume()+0x1c: unreachable instruction fs/ocfs2/stack_user.o: warning: objtool: ocfs2_control_write()+0x473: unreachable instruction fs/ocfs2/move_extents.o: warning: objtool: ocfs2_defrag_extent()+0x85: unreachable instruction fs/ocfs2/namei.o: warning: objtool: ocfs2_rename()+0x1a1: unreachable instruction fs/ocfs2/stack_o2cb.o: warning: objtool: o2cb_cluster_connect()+0x17: unreachable instruction net/ipv4/ping.o: warning: objtool: ping_getfrag()+0x21: unreachable instruction fs/ocfs2/filecheck.o: warning: objtool: ocfs2_filecheck_attr_store()+0x169: unreachable instruction fs/ocfs2/xattr.o: warning: objtool: ocfs2_xa_fill_value_buf()+0x25: unreachable instruction drivers/staging/speakup/varhandlers.o: warning: objtool: spk_get_var()+0xb: unreachable instruction fs/ocfs2/refcounttree.o: warning: objtool: ocfs2_refcount_cal_cow_clusters()+0x6b: unreachable instruction Completed OK # rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64 # Build took: 0:02:19.079584

© Michael Ellerman 2006-2018.