Buildresult: linus-rand/x86_64-randconfig/x86_64-gcc4.6 built on Jul 9 2018, 13:52

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Status:	OK
Date/Time:	Jul 9 2018, 13:52
Duration:	0:03:23.663640
Builder:	ka3
Revision:	Linux 4.18-rc4 (`1e4b044d22517cae7047c99038abb444423243ca)`
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 (372) arch/x86/entry/vdso/vma.o: warning: objtool: vgetcpu_cpu_init()+0x44: unreachable instruction arch/x86/mm/init.o: warning: objtool: probe_page_size_mask()+0x13a: unreachable instruction init/main.o: warning: objtool: do_one_initcall()+0x15b: unreachable instruction arch/x86/kernel/apic/apic.o: warning: objtool: native_apic_icr_write()+0x1a: unreachable instruction arch/x86/events/core.o: warning: objtool: refresh_pce()+0x67: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: ident_pmd_init()+0x7f: unreachable instruction arch/x86/kernel/apic/ipi.o: warning: objtool: default_send_IPI_single_phys()+0x19: unreachable instruction arch/x86/mm/fault.o: warning: objtool: vmalloc_fault()+0x69: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets()+0x7d: unreachable instruction kernel/dma/mapping.o: warning: objtool: dma_common_get_sgtable()+0x5b: unreachable instruction arch/x86/mm/ioremap.o: warning: objtool: early_ioremap_init()+0x136: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x25: unreachable instruction kernel/dma/direct.o: warning: objtool: dma_direct_map_sg()+0x25: unreachable instruction arch/x86/mm/extable.o: warning: objtool: early_fixup_exception()+0x5a: unreachable instruction arch/x86/entry/common.o: warning: objtool: do_syscall_64()+0x20: unreachable instruction arch/x86/kernel/apic/io_apic.c:1033:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] kernel/irq/handle.o: warning: objtool: __handle_irq_event_percpu()+0x12c: unreachable instruction arch/x86/mm/pat.o: warning: objtool: pat_bsp_init()+0x2f: unreachable instruction arch/x86/mm/pageattr.o: warning: objtool: __cpa_flush_all()+0x21: unreachable instruction arch/x86/kernel/apic/io_apic.o: warning: objtool: mp_irqdomain_alloc()+0x187: unreachable instruction kernel/irq/spurious.o: warning: objtool: poll_spurious_irqs()+0x50: unreachable instruction kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xb3: unreachable instruction arch/x86/kernel/apic/apic_flat_64.o: warning: objtool: _flat_send_IPI_mask()+0x16: unreachable instruction arch/x86/mm/pgtable.o: warning: objtool: pud_set_huge()+0xa4: unreachable instruction arch/x86/mm/physaddr.o: warning: objtool: __phys_addr()+0x24: unreachable instruction kernel/events/core.o: warning: objtool: perf_lock_task_context()+0x25: unreachable instruction arch/x86/mm/tlb.o: warning: objtool: do_flush_tlb_all()+0x1d: unreachable instruction arch/x86/kernel/cpu/mtrr/generic.o: warning: objtool: prepare_set()+0x1e: unreachable instruction kernel/locking/lockdep.o: warning: objtool: lock_is_held_type()+0x23: unreachable instruction kernel/locking/spinlock.o: warning: objtool: _raw_spin_lock_irqsave()+0x17: unreachable instruction kernel/bpf/percpu_freelist.o: warning: objtool: pcpu_freelist_populate()+0x4b: unreachable instruction kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] kernel/printk/printk.o: warning: objtool: devkmsg_poll()+0x3b: unreachable instruction arch/x86/kernel/fpu/init.o: warning: objtool: fpu__init_cpu_generic()+0x12: unreachable instruction mm/filemap.o: warning: objtool: filemap_fault()+0x14c: unreachable instruction arch/x86/kernel/cpu/common.o: warning: objtool: detect_null_seg_behavior()+0x52: unreachable instruction kernel/events/uprobes.o: warning: objtool: __replace_page()+0x17a: unreachable instruction arch/x86/mm/pti.o: warning: objtool: pti_user_pagetable_walk_p4d()+0xcf: unreachable instruction kernel/locking/rwsem-xadd.o: warning: objtool: rwsem_wake()+0x38: unreachable instruction arch/x86/kernel/cpu/aperfmperf.o: warning: objtool: aperfmperf_snapshot_khz()+0x28: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x23: unreachable instruction arch/x86/kernel/fpu/xstate.o: warning: objtool: fpu__init_cpu_xstate()+0x64: unreachable instruction kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x14: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x74: unreachable instruction kernel/rcu/srcutree.o: warning: objtool: srcu_might_be_idle()+0x17: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x30: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x56: unreachable instruction mm/page-writeback.o: warning: objtool: __test_set_page_writeback()+0x1d5: unreachable instruction kernel/trace/trace_clock.o: warning: objtool: trace_clock_global()+0x11: unreachable instruction mm/page_alloc.o: warning: objtool: drain_pages_zone()+0x1b: unreachable instruction arch/x86/kernel/cpu/centaur.o: warning: objtool: init_c3()+0x10a: unreachable instruction kernel/time/timer.o: warning: objtool: del_timer_sync()+0x18: unreachable instruction kernel/sched/core.o: warning: objtool: migrate_tasks()+0x10b: unreachable instruction kernel/rcu/tree.o: warning: objtool: rcu_migrate_callbacks()+0x48: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x216: unreachable instruction fs/crypto/crypto.o: warning: objtool: fscrypt_do_page_crypto()+0x6e: unreachable instruction kernel/time/hrtimer.o: warning: objtool: hrtimers_dead_cpu()+0x1d: unreachable instruction mm/swap.o: warning: objtool: lru_lazyfree_fn()+0x229: unreachable instruction arch/x86/kernel/cpu/mshyperv.o: warning: objtool: ms_hyperv_init_platform()+0x30a: unreachable instruction kernel/sched/clock.o: warning: objtool: sched_clock_idle_wakeup_event()+0x1f: unreachable instruction kernel/trace/ring_buffer.o: warning: objtool: rb_get_reader_page()+0x16: unreachable instruction kernel/time/timekeeping.o: warning: objtool: ktime_mono_to_any()+0x22: unreachable instruction arch/x86/kernel/process_64.o: warning: objtool: __show_regs()+0x123: unreachable instruction kernel/sched/cputime.o: warning: objtool: thread_group_cputime()+0x85: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: convert_extent_item_v0()+0x52: unreachable instruction kernel/sched/idle.o: warning: objtool: cpuidle_idle_call()+0x68: unreachable instruction arch/x86/xen/enlighten.o: warning: objtool: xen_vcpu_restore()+0x8c: unreachable instruction mm/shmem.o: warning: objtool: shmem_init()+0x18: unreachable instruction kernel/trace/trace.o: warning: objtool: tracing_cpumask_write()+0x60: unreachable instruction kernel/time/clocksource.o: warning: objtool: clocksource_watchdog()+0x70: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x32: unreachable instruction arch/x86/xen/multicalls.o: warning: objtool: xen_mc_flush()+0x2e: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x10: unreachable instruction arch/x86/xen/mmu.c:156:12: warning: 'i' may be used uninitialized in this function [-Wuninitialized] arch/x86/xen/mmu.o: warning: objtool: xen_flush_tlb_all()+0x1b: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x11f: unreachable instruction mm/vmstat.c:89:5: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x23: unreachable instruction kernel/sched/fair.o: warning: objtool: active_load_balance_cpu_stop()+0xb9: unreachable instruction crypto/api.o: warning: objtool: __crypto_alloc_tfm()+0x42: unreachable instruction arch/x86/xen/grant-table.o: warning: objtool: arch_gnttab_unmap()+0x4d: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_pushable_task()+0x3d: unreachable instruction kernel/fork.o: warning: objtool: account_kernel_stack()+0x71: unreachable instruction arch/x86/xen/suspend.o: warning: objtool: xen_vcpu_notify_suspend()+0x32: unreachable instruction kernel/trace/trace_functions.o: warning: objtool: function_stack_trace_call()+0x2e: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x28: unreachable instruction arch/x86/kernel/ioport.o: warning: objtool: ksys_ioperm()+0xec: unreachable instruction arch/x86/kernel/dumpstack.o: warning: objtool: oops_begin()+0x19: unreachable instruction kernel/time/clockevents.o: warning: objtool: clockevents_update_freq()+0x1f: unreachable instruction arch/x86/xen/setup.o: warning: objtool: xen_del_extra_mem()+0x32: unreachable instruction kernel/trace/trace_sched_wakeup.o: warning: objtool: wakeup_reset()+0x16: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0xe2: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x6a: unreachable instruction kernel/time/tick-common.o: warning: objtool: tick_setup_periodic()+0x46: unreachable instruction arch/x86/kernel/ldt.o: warning: objtool: map_ldt_struct()+0x14e: unreachable instruction drivers/android/binder.o: warning: objtool: binder_enqueue_work_ilocked()+0xc: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x1b: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x14: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x23f: unreachable instruction kernel/time/tick-oneshot.o: warning: objtool: tick_oneshot_mode_active()+0x14: unreachable instruction arch/x86/xen/suspend_pv.o: warning: objtool: xen_pv_pre_suspend()+0x1f8: unreachable instruction drivers/android/binder_alloc.o: warning: objtool: binder_delete_free_buffer()+0x1e: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x30: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x1ba: unreachable instruction crypto/scatterwalk.o: warning: objtool: scatterwalk_ffwd()+0x55: unreachable instruction arch/x86/xen/p2m.o: warning: objtool: alloc_p2m_pmd()+0x49: unreachable instruction mm/compaction.o: warning: objtool: compact_trylock_irqsave()+0x27: unreachable instruction drivers/auxdisplay/panel.o: warning: objtool: panel_scan_timer()+0x24: unreachable instruction arch/x86/xen/enlighten_pv.o: warning: objtool: xen_set_ldt()+0x24: unreachable instruction kernel/trace/trace_syscalls.o: warning: objtool: ftrace_syscall_enter()+0xa1: unreachable instruction block/blk-core.o: warning: objtool: blk_dequeue_request()+0x17: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.9()+0x93: unreachable instruction mm/workingset.o: warning: objtool: scan_shadow_nodes()+0x15: unreachable instruction fs/btrfs/inode.o: warning: objtool: __btrfs_del_delalloc_inode()+0xab: unreachable instruction arch/x86/xen/mmu_pv.o: warning: objtool: xen_exchange_memory()+0x66: unreachable instruction arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x2a: unreachable instruction mm/gup.o: warning: objtool: gup_pte_range()+0x32: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x28: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x222: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x1e: unreachable instruction arch/x86/xen/smp_pv.o: warning: objtool: stop_self()+0x28: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: optimize_nops()+0x35: unreachable instruction block/blk-softirq.o: warning: objtool: blk_softirq_cpu_dead()+0x14: unreachable instruction arch/x86/kernel/hw_breakpoint.c:361:20: warning: 'align' may be used uninitialized in this function [-Wuninitialized] block/blk-merge.o: warning: objtool: __blk_bios_map_sg()+0x1ae: unreachable instruction arch/x86/kernel/hw_breakpoint.o: warning: objtool: hw_breakpoint_handler()+0x42: unreachable instruction mm/memory.o: warning: objtool: wp_page_copy()+0x4c: unreachable instruction arch/x86/kernel/tsc.o: warning: objtool: native_calibrate_cpu()+0xe7: unreachable instruction mm/mincore.o: warning: objtool: mincore_pte_range()+0x1cf: unreachable instruction crypto/rsa-pkcs1pad.o: warning: objtool: pkcs1pad_sg_set_buf()+0x3a: unreachable instruction kernel/trace/trace_benchmark.o: warning: objtool: trace_do_benchmark()+0x27: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0xae: unreachable instruction kernel/trace/ring_buffer_benchmark.o: warning: objtool: read_page()+0x7f: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x2e1: unreachable instruction kernel/panic.o: warning: objtool: panic()+0x3d: unreachable instruction arch/x86/kernel/process.o: warning: objtool: enable_TSC()+0x28: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x1e: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0x95: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x82: unreachable instruction crypto/testmgr.o: warning: objtool: test_akcipher_one()+0x19b: unreachable instruction mm/mprotect.o: warning: objtool: change_pte_range()+0x114: unreachable instruction arch/x86/kernel/step.o: warning: objtool: set_task_blockstep()+0x1b: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: end_bio_extent_buffer_writepage()+0x3d: unreachable instruction fs/ext4/bitmap.o: warning: objtool: ext4_inode_bitmap_csum_verify()+0x4c: unreachable instruction kernel/softirq.o: warning: objtool: __local_bh_disable_ip()+0x25: unreachable instruction mm/mremap.o: warning: objtool: get_old_pmd.isra.12()+0x6b: unreachable instruction fs/btrfs/volumes.o: warning: objtool: btrfs_check_raid_min_devices()+0x25: unreachable instruction fs/fscache/cache.o: warning: objtool: fscache_withdraw_cache()+0xb5: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x21: unreachable instruction arch/x86/kernel/reboot.o: warning: objtool: crash_nmi_callback()+0x30: unreachable instruction fs/fscache/cookie.o: warning: objtool: __fscache_disable_cookie()+0xbd: unreachable instruction mm/page_vma_mapped.o: warning: objtool: page_vma_mapped_walk()+0x146: unreachable instruction fs/f2fs/file.o: warning: objtool: fill_zero()+0xb5: unreachable instruction mm/pagewalk.o: warning: objtool: walk_pmd_range()+0x2b: unreachable instruction arch/x86/kernel/smp.o: warning: objtool: smp_stop_nmi_callback()+0x3b: unreachable instruction mm/pgtable-generic.o: warning: objtool: pgd_clear_bad()+0x18: unreachable instruction fs/f2fs/inode.o: warning: objtool: f2fs_inode_chksum()+0x144: unreachable instruction arch/x86/kernel/smpboot.o: warning: objtool: start_secondary()+0x1f: unreachable instruction arch/x86/kernel/tsc_sync.o: warning: objtool: tsc_verify_tsc_adjust()+0x74: unreachable instruction mm/rmap.o: warning: objtool: mm_find_pmd()+0x48: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x550: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x3e: unreachable instruction kernel/user.o: warning: objtool: free_uid()+0x21: unreachable instruction block/badblocks.o: warning: objtool: badblocks_check()+0x59: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.3()+0xa7: unreachable instruction fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x2b: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x3c: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x4b: unreachable instruction mm/vmalloc.o: warning: objtool: pcpu_get_vm_areas()+0x65: unreachable instruction arch/x86/kernel/machine_kexec_64.o: warning: objtool: init_transition_pgtable()+0xc6: unreachable instruction fs/ext4/extents_status.o: warning: objtool: __es_insert_extent()+0xfb: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x10: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_uncache_page()+0x59: unreachable instruction arch/x86/kernel/crash.o: warning: objtool: kdump_nmi_callback()+0x7b: unreachable instruction fs/f2fs/super.o: warning: objtool: f2fs_fill_super()+0x13e: unreachable instruction fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0x5f: unreachable instruction mm/madvise.o: warning: objtool: madvise_free_pte_range()+0x1d0: unreachable instruction fs/f2fs/inline.o: warning: objtool: f2fs_convert_inline_page()+0x93: unreachable instruction arch/x86/kernel/hpet.o: warning: objtool: read_hpet()+0x43: unreachable instruction block/cfq-iosched.o: warning: objtool: cfq_should_idle()+0x30: unreachable instruction fs/f2fs/checkpoint.o: warning: objtool: commit_checkpoint()+0x84: unreachable instruction mm/dmapool.o: warning: objtool: pool_free_page()+0x55: unreachable instruction block/mq-deadline.o: warning: objtool: __dd_dispatch_request()+0x92: unreachable instruction arch/x86/kernel/paravirt.o: warning: objtool: native_flush_tlb_global()+0x30: unreachable instruction fs/ext4/ialloc.o: warning: objtool: __ext4_new_inode()+0x8b9: unreachable instruction kernel/workqueue.o: warning: objtool: work_busy()+0x1f: unreachable instruction crypto/gcm.o: warning: objtool: crypto_rfc4106_crypt()+0x15f: unreachable instruction mm/hugetlb.o: warning: objtool: huge_pmd_unshare()+0x50: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0xc9: unreachable instruction crypto/ccm.o: warning: objtool: crypto_rfc4309_crypt()+0x160: unreachable instruction fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x34: unreachable instruction fs/f2fs/data.o: warning: objtool: __submit_merged_bio()+0x1da: unreachable instruction mm/sparse-vmemmap.o: warning: objtool: vmemmap_pte_populate()+0x1a: unreachable instruction drivers/char/random.o: warning: objtool: crng_slow_load()+0x1b: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0x50: unreachable instruction fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x196: unreachable instruction block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x19: unreachable instruction mm/ksm.c:1395:15: warning: 'found_rmap_hlist_len' may be used uninitialized in this function [-Wuninitialized] fs/f2fs/node.o: warning: objtool: __move_free_nid()+0x13: unreachable instruction mm/ksm.o: warning: objtool: write_protect_page()+0x65: unreachable instruction fs/btrfs/delayed-ref.o: warning: objtool: insert_delayed_ref()+0x24a: unreachable instruction mm/slab.o: warning: objtool: check_irq_off()+0x11: unreachable instruction block/bfq-iosched.c:4018:11: warning: 'bfqd' may be used uninitialized in this function [-Wuninitialized] fs/ext4/inode.o: warning: objtool: ext4_block_write_begin()+0x42: unreachable instruction drivers/char/virtio_console.o: warning: objtool: free_buf()+0x34: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0xe: unreachable instruction arch/x86/power/cpu.o: warning: objtool: fix_processor_context()+0xdc: unreachable instruction fs/f2fs/segment.o: warning: objtool: update_sit_entry()+0xab: unreachable instruction fs/btrfs/relocation.o: warning: objtool: create_reloc_root()+0x41: unreachable instruction fs/ext4/mballoc.o: warning: objtool: mb_find_buddy()+0x11: unreachable instruction mm/migrate.o: warning: objtool: buffer_migrate_page()+0x41: unreachable instruction fs/f2fs/recovery.o: warning: objtool: do_recover_data()+0x19e: unreachable instruction fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x24: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xb3: unreachable instruction mm/khugepaged.o: warning: objtool: __collapse_huge_page_copy.isra.37()+0x15e: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: __btrfs_remove_delayed_item()+0x28: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_iomap_alloc.isra.22()+0x49: unreachable instruction fs/gfs2/dir.o: warning: objtool: dir_make_exhash()+0x75: unreachable instruction mm/huge_memory.o: warning: objtool: __split_huge_zero_page_pmd()+0xda: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x40: unreachable instruction fs/f2fs/sysfs.c:519:12: warning: 'segment_info_seq_show' defined but not used [-Wunused-function] fs/f2fs/sysfs.c:546:12: warning: 'segment_bits_seq_show' defined but not used [-Wunused-function] fs/f2fs/sysfs.c:570:12: warning: 'iostat_info_seq_show' defined but not used [-Wunused-function] fs/btrfs/scrub.o: warning: objtool: scrub_setup_recheck_block()+0x156: unreachable instruction fs/ext4/namei.o: warning: objtool: ext4_dx_csum()+0xa6: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x61: unreachable instruction fs/ext4/page-io.o: warning: objtool: ext4_finish_bio()+0x9a: unreachable instruction mm/memcontrol.o: warning: objtool: mem_cgroup_reset()+0x6d: unreachable instruction fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x23: unreachable instruction crypto/drbg.o: warning: objtool: drbg_async_seed()+0x4b: unreachable instruction fs/btrfs/backref.o: warning: objtool: add_inline_refs()+0x61: unreachable instruction kernel/smp.o: warning: objtool: generic_exec_single()+0x3e: unreachable instruction fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x57: unreachable instruction fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x3d: unreachable instruction fs/jbd2/transaction.o: warning: objtool: jbd2_journal_file_inode()+0x9b: unreachable instruction fs/gfs2/aops.o: warning: objtool: gfs2_invalidatepage()+0x47: unreachable instruction mm/zsmalloc.o: warning: objtool: zs_page_migrate()+0x16e: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_block_tag_csum_set()+0xf6: unreachable instruction kernel/module.o: warning: objtool: frob_ro_after_init()+0x16: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x30: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_descriptor_block_csum_verify()+0x8a: unreachable instruction fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x25: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x1a: unreachable instruction mm/userfaultfd.o: warning: objtool: mm_alloc_pmd()+0x6b: unreachable instruction fs/btrfs/send.o: warning: objtool: read_symlink()+0xdc: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_superblock_csum()+0x1e: unreachable instruction crypto/chacha20poly1305.o: warning: objtool: poly_tail()+0x5e: unreachable instruction fs/gfs2/quota.o: warning: objtool: gfs2_write_buf_to_page()+0x7f: unreachable instruction fs/jbd2/journal.o: warning: objtool: get_slab()+0x23: unreachable instruction fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x5e: unreachable instruction fs/ext4/xattr.o: warning: objtool: ext4_xattr_inode_hash()+0x1d: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_debug_show()+0xff: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_alloc_extent()+0x4a: unreachable instruction kernel/stop_machine.o: warning: objtool: multi_cpu_stop()+0x24: unreachable instruction drivers/dma-buf/reservation.c:210:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] drivers/dma-buf/reservation.o: warning: objtool: reservation_object_test_signaled_rcu()+0x4e: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x13: unreachable instruction fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x2d: unreachable instruction kernel/irq_work.o: warning: objtool: irq_work_run_list()+0x13: unreachable instruction lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] drivers/firmware/dcdbas.o: warning: objtool: smi_data_buf_free()+0x55: unreachable instruction fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0xd5: unreachable instruction fs/notify/mark.o: warning: objtool: fsnotify_add_mark_locked()+0x24: unreachable instruction crypto/tcrypt.o: warning: objtool: sg_init_aead()+0x13d: unreachable instruction drivers/firmware/dell_rbu.o: warning: objtool: img_update_free()+0x57: unreachable instruction fs/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x3c: unreachable instruction lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x244: unreachable instruction fs/reiserfs/namei.o: warning: objtool: linear_search_in_dir_item()+0x93: unreachable instruction fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x43: unreachable instruction drivers/gpu/drm/i2c/tda998x_drv.o: warning: objtool: tda998x_cec_calibration()+0x4b: unreachable instruction fs/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x1e: unreachable instruction drivers/hwspinlock/hwspinlock_core.o: warning: objtool: __hwspin_unlock()+0x18: unreachable instruction fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x32: unreachable instruction drivers/gpu/drm/ttm/ttm_tt.o: warning: objtool: ttm_tt_swapout()+0x25: unreachable instruction fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x40: unreachable instruction drivers/gpu/drm/ttm/ttm_bo.o: warning: objtool: ttm_bo_release_list()+0x24: unreachable instruction lib/random32.o: warning: objtool: __prandom_reseed()+0x13: unreachable instruction drivers/hwtracing/intel_th/msu.o: warning: objtool: msc_buffer_win_free()+0xda: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x30: unreachable instruction drivers/gpu/drm/virtio/virtgpu_vq.o: warning: objtool: virtio_gpu_get_vbuf.isra.4()+0x43: unreachable instruction drivers/gpu/drm/ttm/ttm_page_alloc_dma.o: warning: objtool: __ttm_dma_free_page()+0x4b: unreachable instruction lib/scatterlist.o: warning: objtool: __sg_alloc_table_from_pages()+0x108: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x1d8: unreachable instruction fs/namei.o: warning: objtool: __follow_mount_rcu()+0xa4: unreachable instruction lib/kfifo.o: warning: objtool: setup_sgl_buf()+0x12a: unreachable instruction drivers/ide/ide-io.o: warning: objtool: start_request()+0x1c: unreachable instruction drivers/ide/ide-iops.o: warning: objtool: __ide_wait_stat()+0x5f: unreachable instruction drivers/ide/ide-probe.o: warning: objtool: ide_unregister()+0x19: unreachable instruction lib/rhashtable.c:269:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] fs/dcache.o: warning: objtool: d_walk()+0x49: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x26: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_measure_speed()+0x3c: unreachable instruction drivers/hid/hid-rmi.o: warning: objtool: rmi_input_event()+0x3c: unreachable instruction drivers/ide/ide-io-std.o: warning: objtool: ide_output_data()+0x60: unreachable instruction drivers/input/joystick/a3d.o: warning: objtool: a3d_read_packet()+0x3d: unreachable instruction drivers/input/joystick/gamecon.o: warning: objtool: gc_psx_read_packet()+0x5a: unreachable instruction drivers/input/joystick/sidewinder.o: warning: objtool: sw_init_digital()+0x3f: unreachable instruction drivers/input/joystick/tmdc.o: warning: objtool: tmdc_read_packet()+0x69: unreachable instruction drivers/ide/ide-disk.o: warning: objtool: ide_do_rw_disk()+0x1d: unreachable instruction drivers/input/joystick/cobra.o: warning: objtool: cobra_read_packet()+0x67: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x38: unreachable instruction lib/debugobjects.o: warning: objtool: free_obj_work()+0x1a: unreachable instruction drivers/ide/ide-floppy_ioctl.o: warning: objtool: ide_floppy_get_format_progress()+0x87: unreachable instruction drivers/input/joystick/gf2k.o: warning: objtool: gf2k_trigger_seq()+0x23: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x81: unreachable instruction drivers/input/joystick/grip.o: warning: objtool: grip_gpp_read_packet()+0x33: unreachable instruction drivers/input/joystick/joydump.o: warning: objtool: joydump_connect()+0x154: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0x63: unreachable instruction fs/namespace.o: warning: objtool: path_is_mountpoint()+0x4e: unreachable instruction fs/seq_file.o: warning: objtool: seq_dentry()+0x21: unreachable instruction lib/oid_registry.o: warning: objtool: sprint_OID()+0xb: unreachable instruction lib/dump_stack.o: warning: objtool: dump_stack()+0x12: unreachable instruction drivers/gpu/drm/drm_pci.o: warning: objtool: __drm_legacy_pci_free()+0x8e: unreachable instruction lib/flex_proportions.o: warning: objtool: fprop_new_period()+0x19: unreachable instruction lib/idr.o: warning: objtool: ida_simple_get()+0x1a: unreachable instruction lib/ioremap.o: warning: objtool: ioremap_pte_range()+0x4a: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0x8d: unreachable instruction fs/d_path.o: warning: objtool: get_fs_root_rcu()+0x23: unreachable instruction drivers/memstick/core/ms_block.o: warning: objtool: msb_read_page()+0x57: unreachable instruction drivers/memstick/core/mspro_block.o: warning: objtool: h_mspro_block_transfer_data()+0x166: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x1d: unreachable instruction lib/radix-tree.o: warning: objtool: radix_tree_tag_set()+0x38: unreachable instruction lib/ratelimit.o: warning: objtool: ___ratelimit()+0x21: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_item_unref()+0x32: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xb6: unreachable instruction fs/buffer.o: warning: objtool: buffer_check_dirty_writeback()+0x23: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0xc1: unreachable instruction drivers/pci/endpoint/pci-epf-core.o: warning: objtool: pci_epf_free_space()+0x66: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0x11: unreachable instruction fs/xfs/xfs_aops.o: warning: objtool: xfs_finish_page_writeback()+0x29: unreachable instruction drivers/mfd/ezx-pcap.o: warning: objtool: pcap_isr_work()+0x9b: unreachable instruction fs/mpage.o: warning: objtool: __mpage_writepage()+0x8a: unreachable instruction fs/direct-io.o: warning: objtool: do_direct_IO()+0x1dd: unreachable instruction drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_count_and_time()+0x4b: unreachable instruction drivers/gpu/drm/drm_gem_cma_helper.o: warning: objtool: drm_gem_cma_free_object()+0x5a: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x187: unreachable instruction fs/dax.o: warning: objtool: dax_mapping_entry_mkclean()+0xbc: unreachable instruction drivers/remoteproc/remoteproc_core.o: warning: objtool: rproc_handle_carveout()+0x9c: unreachable instruction drivers/mfd/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x48: unreachable instruction drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_remove()+0xba: unreachable instruction drivers/mfd/cros_ec_spi.o: warning: objtool: cros_ec_spi_receive_packet()+0x1b: unreachable instruction fs/locks.o: warning: objtool: locks_free_lock()+0x1e: unreachable instruction drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_ex_discover_expander()+0xf9: unreachable instruction drivers/slimbus/messaging.c:126:14: warning: 'tid' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/scsi_lib.o: warning: objtool: scsi_kmap_atomic_sg()+0x26: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x180: unreachable instruction drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x57: unreachable instruction drivers/staging/speakup/fakekey.o: warning: objtool: speakup_fake_down_arrow()+0x12: unreachable instruction drivers/staging/speakup/main.o: warning: objtool: speakup_bs()+0x2d: unreachable instruction drivers/scsi/xen-scsifront.o: warning: objtool: map_data_for_request()+0x1c1: unreachable instruction drivers/tty/serial/fsl_lpuart.o: warning: objtool: lpuart_resume()+0x1c6: unreachable instruction drivers/target/target_core_tmr.o: warning: objtool: __target_check_io_state()+0x25: unreachable instruction drivers/staging/speakup/varhandlers.o: warning: objtool: spk_get_var()+0xc: unreachable instruction drivers/scsi/virtio_scsi.o: warning: objtool: virtscsi_queuecommand()+0x32: unreachable instruction drivers/target/target_core_transport.o: warning: objtool: __transport_check_aborted_status()+0x18: unreachable instruction drivers/target/target_core_sbc.o: warning: objtool: compare_and_write_callback()+0x13a: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x5e: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: vring_free_queue()+0x45: unreachable instruction drivers/target/target_core_rd.o: warning: objtool: rd_allocate_sgl_table.isra.4()+0x10e: unreachable instruction drivers/xen/events/events_base.o: warning: objtool: __xen_evtchn_do_upcall()+0x48: unreachable instruction drivers/xen/events/events_2l.o: warning: objtool: evtchn_2l_unmask()+0x2a: unreachable instruction drivers/xen/events/events_fifo.o: warning: objtool: evtchn_fifo_unmask()+0x25: unreachable instruction drivers/video/fbdev/ocfb.o: warning: objtool: ocfb_remove()+0x6e: unreachable instruction drivers/target/target_core_pscsi.o: warning: objtool: pscsi_map_sg()+0x5b: unreachable instruction drivers/w1/w1_io.o: warning: objtool: w1_reset_bus()+0x23: unreachable instruction drivers/xen/grant-table.o: warning: objtool: gnttab_map()+0x28: unreachable instruction drivers/xen/manage.o: warning: objtool: xen_suspend()+0x1a: unreachable instruction drivers/xen/balloon.o: warning: objtool: decrease_reservation()+0x177: unreachable instruction drivers/xen/swiotlb-xen.o: warning: objtool: xen_swiotlb_map_sg_attrs()+0x30: unreachable instruction drivers/xen/privcmd.o: warning: objtool: remap_pfn_fn()+0x3e: unreachable instruction Full Log # git rev-parse -q --verify 1e4b044d22517cae7047c99038abb444423243ca^{commit} 1e4b044d22517cae7047c99038abb444423243ca already have revision, skipping fetch # git checkout -q -f -B kisskb 1e4b044d22517cae7047c99038abb444423243ca # git clean -qxdf # < git log -1 # commit 1e4b044d22517cae7047c99038abb444423243ca # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Sun Jul 8 16:34:02 2018 -0700 # # Linux 4.18-rc4 # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 1e4b044d22517cae7047c99038abb444423243ca # < 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=0x2B880F48 # 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 yes: write error # 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/entry/vdso/vma.o: warning: objtool: vgetcpu_cpu_init()+0x44: unreachable instruction arch/x86/mm/init.o: warning: objtool: probe_page_size_mask()+0x13a: unreachable instruction init/main.o: warning: objtool: do_one_initcall()+0x15b: unreachable instruction arch/x86/kernel/apic/apic.o: warning: objtool: native_apic_icr_write()+0x1a: unreachable instruction arch/x86/events/core.o: warning: objtool: refresh_pce()+0x67: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: ident_pmd_init()+0x7f: unreachable instruction arch/x86/kernel/apic/ipi.o: warning: objtool: default_send_IPI_single_phys()+0x19: unreachable instruction arch/x86/mm/fault.o: warning: objtool: vmalloc_fault()+0x69: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets()+0x7d: unreachable instruction kernel/dma/mapping.o: warning: objtool: dma_common_get_sgtable()+0x5b: unreachable instruction arch/x86/mm/ioremap.o: warning: objtool: early_ioremap_init()+0x136: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x25: unreachable instruction kernel/dma/direct.o: warning: objtool: dma_direct_map_sg()+0x25: unreachable instruction arch/x86/mm/extable.o: warning: objtool: early_fixup_exception()+0x5a: unreachable instruction arch/x86/entry/common.o: warning: objtool: do_syscall_64()+0x20: 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:1033:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] kernel/irq/handle.o: warning: objtool: __handle_irq_event_percpu()+0x12c: unreachable instruction arch/x86/mm/pat.o: warning: objtool: pat_bsp_init()+0x2f: unreachable instruction arch/x86/mm/pageattr.o: warning: objtool: __cpa_flush_all()+0x21: unreachable instruction arch/x86/kernel/apic/io_apic.o: warning: objtool: mp_irqdomain_alloc()+0x187: unreachable instruction kernel/irq/spurious.o: warning: objtool: poll_spurious_irqs()+0x50: unreachable instruction kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xb3: unreachable instruction arch/x86/kernel/apic/apic_flat_64.o: warning: objtool: _flat_send_IPI_mask()+0x16: unreachable instruction arch/x86/mm/pgtable.o: warning: objtool: pud_set_huge()+0xa4: unreachable instruction arch/x86/mm/physaddr.o: warning: objtool: __phys_addr()+0x24: unreachable instruction kernel/events/core.o: warning: objtool: perf_lock_task_context()+0x25: unreachable instruction arch/x86/mm/tlb.o: warning: objtool: do_flush_tlb_all()+0x1d: unreachable instruction arch/x86/kernel/cpu/mtrr/generic.o: warning: objtool: prepare_set()+0x1e: unreachable instruction kernel/locking/lockdep.o: warning: objtool: lock_is_held_type()+0x23: unreachable instruction kernel/locking/spinlock.o: warning: objtool: _raw_spin_lock_irqsave()+0x17: unreachable instruction kernel/bpf/percpu_freelist.o: warning: objtool: pcpu_freelist_populate()+0x4b: unreachable instruction /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] kernel/printk/printk.o: warning: objtool: devkmsg_poll()+0x3b: unreachable instruction arch/x86/kernel/fpu/init.o: warning: objtool: fpu__init_cpu_generic()+0x12: unreachable instruction mm/filemap.o: warning: objtool: filemap_fault()+0x14c: unreachable instruction arch/x86/kernel/cpu/common.o: warning: objtool: detect_null_seg_behavior()+0x52: unreachable instruction kernel/events/uprobes.o: warning: objtool: __replace_page()+0x17a: unreachable instruction arch/x86/mm/pti.o: warning: objtool: pti_user_pagetable_walk_p4d()+0xcf: unreachable instruction kernel/locking/rwsem-xadd.o: warning: objtool: rwsem_wake()+0x38: unreachable instruction arch/x86/kernel/cpu/aperfmperf.o: warning: objtool: aperfmperf_snapshot_khz()+0x28: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x23: unreachable instruction arch/x86/kernel/fpu/xstate.o: warning: objtool: fpu__init_cpu_xstate()+0x64: unreachable instruction kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x14: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x74: unreachable instruction kernel/rcu/srcutree.o: warning: objtool: srcu_might_be_idle()+0x17: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x30: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x56: unreachable instruction mm/page-writeback.o: warning: objtool: __test_set_page_writeback()+0x1d5: unreachable instruction kernel/trace/trace_clock.o: warning: objtool: trace_clock_global()+0x11: unreachable instruction mm/page_alloc.o: warning: objtool: drain_pages_zone()+0x1b: unreachable instruction arch/x86/kernel/cpu/centaur.o: warning: objtool: init_c3()+0x10a: unreachable instruction kernel/time/timer.o: warning: objtool: del_timer_sync()+0x18: unreachable instruction kernel/sched/core.o: warning: objtool: migrate_tasks()+0x10b: unreachable instruction kernel/rcu/tree.o: warning: objtool: rcu_migrate_callbacks()+0x48: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x216: unreachable instruction fs/crypto/crypto.o: warning: objtool: fscrypt_do_page_crypto()+0x6e: unreachable instruction kernel/time/hrtimer.o: warning: objtool: hrtimers_dead_cpu()+0x1d: unreachable instruction mm/swap.o: warning: objtool: lru_lazyfree_fn()+0x229: unreachable instruction arch/x86/kernel/cpu/mshyperv.o: warning: objtool: ms_hyperv_init_platform()+0x30a: unreachable instruction kernel/sched/clock.o: warning: objtool: sched_clock_idle_wakeup_event()+0x1f: unreachable instruction kernel/trace/ring_buffer.o: warning: objtool: rb_get_reader_page()+0x16: unreachable instruction kernel/time/timekeeping.o: warning: objtool: ktime_mono_to_any()+0x22: unreachable instruction arch/x86/kernel/process_64.o: warning: objtool: __show_regs()+0x123: unreachable instruction kernel/sched/cputime.o: warning: objtool: thread_group_cputime()+0x85: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: convert_extent_item_v0()+0x52: unreachable instruction kernel/sched/idle.o: warning: objtool: cpuidle_idle_call()+0x68: unreachable instruction arch/x86/xen/enlighten.o: warning: objtool: xen_vcpu_restore()+0x8c: unreachable instruction mm/shmem.o: warning: objtool: shmem_init()+0x18: unreachable instruction kernel/trace/trace.o: warning: objtool: tracing_cpumask_write()+0x60: unreachable instruction kernel/time/clocksource.o: warning: objtool: clocksource_watchdog()+0x70: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x32: unreachable instruction arch/x86/xen/multicalls.o: warning: objtool: xen_mc_flush()+0x2e: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x10: unreachable instruction /kisskb/src/arch/x86/xen/mmu.c: In function 'do_remap_pfn.isra.4': /kisskb/src/arch/x86/xen/mmu.c:156:12: warning: 'i' may be used uninitialized in this function [-Wuninitialized] arch/x86/xen/mmu.o: warning: objtool: xen_flush_tlb_all()+0x1b: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x11f: unreachable instruction /kisskb/src/mm/vmstat.c: In function 'sysctl_vm_numa_stat_handler': /kisskb/src/mm/vmstat.c:89:5: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x23: unreachable instruction kernel/sched/fair.o: warning: objtool: active_load_balance_cpu_stop()+0xb9: unreachable instruction crypto/api.o: warning: objtool: __crypto_alloc_tfm()+0x42: unreachable instruction arch/x86/xen/grant-table.o: warning: objtool: arch_gnttab_unmap()+0x4d: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_pushable_task()+0x3d: unreachable instruction kernel/fork.o: warning: objtool: account_kernel_stack()+0x71: unreachable instruction arch/x86/xen/suspend.o: warning: objtool: xen_vcpu_notify_suspend()+0x32: unreachable instruction kernel/trace/trace_functions.o: warning: objtool: function_stack_trace_call()+0x2e: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x28: unreachable instruction arch/x86/kernel/ioport.o: warning: objtool: ksys_ioperm()+0xec: unreachable instruction arch/x86/kernel/dumpstack.o: warning: objtool: oops_begin()+0x19: unreachable instruction kernel/time/clockevents.o: warning: objtool: clockevents_update_freq()+0x1f: unreachable instruction arch/x86/xen/setup.o: warning: objtool: xen_del_extra_mem()+0x32: unreachable instruction kernel/trace/trace_sched_wakeup.o: warning: objtool: wakeup_reset()+0x16: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0xe2: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x6a: unreachable instruction kernel/time/tick-common.o: warning: objtool: tick_setup_periodic()+0x46: unreachable instruction arch/x86/kernel/ldt.o: warning: objtool: map_ldt_struct()+0x14e: unreachable instruction drivers/android/binder.o: warning: objtool: binder_enqueue_work_ilocked()+0xc: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x1b: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x14: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x23f: unreachable instruction kernel/time/tick-oneshot.o: warning: objtool: tick_oneshot_mode_active()+0x14: unreachable instruction arch/x86/xen/suspend_pv.o: warning: objtool: xen_pv_pre_suspend()+0x1f8: unreachable instruction drivers/android/binder_alloc.o: warning: objtool: binder_delete_free_buffer()+0x1e: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x30: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x1ba: unreachable instruction crypto/scatterwalk.o: warning: objtool: scatterwalk_ffwd()+0x55: unreachable instruction arch/x86/xen/p2m.o: warning: objtool: alloc_p2m_pmd()+0x49: unreachable instruction mm/compaction.o: warning: objtool: compact_trylock_irqsave()+0x27: unreachable instruction drivers/auxdisplay/panel.o: warning: objtool: panel_scan_timer()+0x24: unreachable instruction arch/x86/xen/enlighten_pv.o: warning: objtool: xen_set_ldt()+0x24: unreachable instruction kernel/trace/trace_syscalls.o: warning: objtool: ftrace_syscall_enter()+0xa1: unreachable instruction block/blk-core.o: warning: objtool: blk_dequeue_request()+0x17: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.9()+0x93: unreachable instruction mm/workingset.o: warning: objtool: scan_shadow_nodes()+0x15: unreachable instruction fs/btrfs/inode.o: warning: objtool: __btrfs_del_delalloc_inode()+0xab: unreachable instruction arch/x86/xen/mmu_pv.o: warning: objtool: xen_exchange_memory()+0x66: unreachable instruction /kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x2a: unreachable instruction mm/gup.o: warning: objtool: gup_pte_range()+0x32: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x28: unreachable instruction fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x222: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x1e: unreachable instruction arch/x86/xen/smp_pv.o: warning: objtool: stop_self()+0x28: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: optimize_nops()+0x35: unreachable instruction block/blk-softirq.o: warning: objtool: blk_softirq_cpu_dead()+0x14: unreachable instruction /kisskb/src/arch/x86/kernel/hw_breakpoint.c: In function 'arch_validate_hwbkpt_settings': /kisskb/src/arch/x86/kernel/hw_breakpoint.c:361:20: warning: 'align' may be used uninitialized in this function [-Wuninitialized] block/blk-merge.o: warning: objtool: __blk_bios_map_sg()+0x1ae: unreachable instruction arch/x86/kernel/hw_breakpoint.o: warning: objtool: hw_breakpoint_handler()+0x42: unreachable instruction mm/memory.o: warning: objtool: wp_page_copy()+0x4c: unreachable instruction arch/x86/kernel/tsc.o: warning: objtool: native_calibrate_cpu()+0xe7: unreachable instruction mm/mincore.o: warning: objtool: mincore_pte_range()+0x1cf: unreachable instruction crypto/rsa-pkcs1pad.o: warning: objtool: pkcs1pad_sg_set_buf()+0x3a: unreachable instruction kernel/trace/trace_benchmark.o: warning: objtool: trace_do_benchmark()+0x27: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0xae: unreachable instruction kernel/trace/ring_buffer_benchmark.o: warning: objtool: read_page()+0x7f: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x2e1: unreachable instruction kernel/panic.o: warning: objtool: panic()+0x3d: unreachable instruction arch/x86/kernel/process.o: warning: objtool: enable_TSC()+0x28: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x1e: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0x95: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x82: unreachable instruction crypto/testmgr.o: warning: objtool: test_akcipher_one()+0x19b: unreachable instruction mm/mprotect.o: warning: objtool: change_pte_range()+0x114: unreachable instruction arch/x86/kernel/step.o: warning: objtool: set_task_blockstep()+0x1b: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: end_bio_extent_buffer_writepage()+0x3d: unreachable instruction fs/ext4/bitmap.o: warning: objtool: ext4_inode_bitmap_csum_verify()+0x4c: unreachable instruction kernel/softirq.o: warning: objtool: __local_bh_disable_ip()+0x25: unreachable instruction mm/mremap.o: warning: objtool: get_old_pmd.isra.12()+0x6b: unreachable instruction fs/btrfs/volumes.o: warning: objtool: btrfs_check_raid_min_devices()+0x25: unreachable instruction fs/fscache/cache.o: warning: objtool: fscache_withdraw_cache()+0xb5: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x21: unreachable instruction arch/x86/kernel/reboot.o: warning: objtool: crash_nmi_callback()+0x30: unreachable instruction fs/fscache/cookie.o: warning: objtool: __fscache_disable_cookie()+0xbd: unreachable instruction mm/page_vma_mapped.o: warning: objtool: page_vma_mapped_walk()+0x146: unreachable instruction fs/f2fs/file.o: warning: objtool: fill_zero()+0xb5: unreachable instruction mm/pagewalk.o: warning: objtool: walk_pmd_range()+0x2b: unreachable instruction arch/x86/kernel/smp.o: warning: objtool: smp_stop_nmi_callback()+0x3b: unreachable instruction mm/pgtable-generic.o: warning: objtool: pgd_clear_bad()+0x18: unreachable instruction fs/f2fs/inode.o: warning: objtool: f2fs_inode_chksum()+0x144: unreachable instruction arch/x86/kernel/smpboot.o: warning: objtool: start_secondary()+0x1f: unreachable instruction arch/x86/kernel/tsc_sync.o: warning: objtool: tsc_verify_tsc_adjust()+0x74: unreachable instruction mm/rmap.o: warning: objtool: mm_find_pmd()+0x48: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x550: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x3e: unreachable instruction kernel/user.o: warning: objtool: free_uid()+0x21: unreachable instruction block/badblocks.o: warning: objtool: badblocks_check()+0x59: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.3()+0xa7: unreachable instruction fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x2b: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x3c: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x4b: unreachable instruction mm/vmalloc.o: warning: objtool: pcpu_get_vm_areas()+0x65: unreachable instruction arch/x86/kernel/machine_kexec_64.o: warning: objtool: init_transition_pgtable()+0xc6: unreachable instruction fs/ext4/extents_status.o: warning: objtool: __es_insert_extent()+0xfb: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x10: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_uncache_page()+0x59: unreachable instruction arch/x86/kernel/crash.o: warning: objtool: kdump_nmi_callback()+0x7b: unreachable instruction fs/f2fs/super.o: warning: objtool: f2fs_fill_super()+0x13e: unreachable instruction fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0x5f: unreachable instruction mm/madvise.o: warning: objtool: madvise_free_pte_range()+0x1d0: unreachable instruction fs/f2fs/inline.o: warning: objtool: f2fs_convert_inline_page()+0x93: unreachable instruction arch/x86/kernel/hpet.o: warning: objtool: read_hpet()+0x43: unreachable instruction block/cfq-iosched.o: warning: objtool: cfq_should_idle()+0x30: unreachable instruction fs/f2fs/checkpoint.o: warning: objtool: commit_checkpoint()+0x84: unreachable instruction mm/dmapool.o: warning: objtool: pool_free_page()+0x55: unreachable instruction block/mq-deadline.o: warning: objtool: __dd_dispatch_request()+0x92: unreachable instruction arch/x86/kernel/paravirt.o: warning: objtool: native_flush_tlb_global()+0x30: unreachable instruction fs/ext4/ialloc.o: warning: objtool: __ext4_new_inode()+0x8b9: unreachable instruction kernel/workqueue.o: warning: objtool: work_busy()+0x1f: unreachable instruction crypto/gcm.o: warning: objtool: crypto_rfc4106_crypt()+0x15f: unreachable instruction mm/hugetlb.o: warning: objtool: huge_pmd_unshare()+0x50: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0xc9: unreachable instruction crypto/ccm.o: warning: objtool: crypto_rfc4309_crypt()+0x160: unreachable instruction fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x34: unreachable instruction fs/f2fs/data.o: warning: objtool: __submit_merged_bio()+0x1da: unreachable instruction mm/sparse-vmemmap.o: warning: objtool: vmemmap_pte_populate()+0x1a: unreachable instruction drivers/char/random.o: warning: objtool: crng_slow_load()+0x1b: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0x50: unreachable instruction fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x196: unreachable instruction block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x19: unreachable instruction /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] fs/f2fs/node.o: warning: objtool: __move_free_nid()+0x13: unreachable instruction mm/ksm.o: warning: objtool: write_protect_page()+0x65: unreachable instruction fs/btrfs/delayed-ref.o: warning: objtool: insert_delayed_ref()+0x24a: unreachable instruction mm/slab.o: warning: objtool: check_irq_off()+0x11: unreachable instruction /kisskb/src/block/bfq-iosched.c: In function 'bfq_exit_icq_bfqq': /kisskb/src/block/bfq-iosched.c:4018:11: warning: 'bfqd' may be used uninitialized in this function [-Wuninitialized] fs/ext4/inode.o: warning: objtool: ext4_block_write_begin()+0x42: unreachable instruction drivers/char/virtio_console.o: warning: objtool: free_buf()+0x34: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0xe: unreachable instruction arch/x86/power/cpu.o: warning: objtool: fix_processor_context()+0xdc: unreachable instruction fs/f2fs/segment.o: warning: objtool: update_sit_entry()+0xab: unreachable instruction fs/btrfs/relocation.o: warning: objtool: create_reloc_root()+0x41: unreachable instruction fs/ext4/mballoc.o: warning: objtool: mb_find_buddy()+0x11: unreachable instruction mm/migrate.o: warning: objtool: buffer_migrate_page()+0x41: unreachable instruction fs/f2fs/recovery.o: warning: objtool: do_recover_data()+0x19e: unreachable instruction fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x24: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xb3: unreachable instruction mm/khugepaged.o: warning: objtool: __collapse_huge_page_copy.isra.37()+0x15e: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: __btrfs_remove_delayed_item()+0x28: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_iomap_alloc.isra.22()+0x49: unreachable instruction fs/gfs2/dir.o: warning: objtool: dir_make_exhash()+0x75: unreachable instruction mm/huge_memory.o: warning: objtool: __split_huge_zero_page_pmd()+0xda: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x40: unreachable instruction /kisskb/src/fs/f2fs/sysfs.c:519:12: warning: 'segment_info_seq_show' defined but not used [-Wunused-function] /kisskb/src/fs/f2fs/sysfs.c:546:12: warning: 'segment_bits_seq_show' defined but not used [-Wunused-function] /kisskb/src/fs/f2fs/sysfs.c:570:12: warning: 'iostat_info_seq_show' defined but not used [-Wunused-function] fs/btrfs/scrub.o: warning: objtool: scrub_setup_recheck_block()+0x156: unreachable instruction fs/ext4/namei.o: warning: objtool: ext4_dx_csum()+0xa6: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x61: unreachable instruction fs/ext4/page-io.o: warning: objtool: ext4_finish_bio()+0x9a: unreachable instruction mm/memcontrol.o: warning: objtool: mem_cgroup_reset()+0x6d: unreachable instruction fs/gfs2/lops.o: warning: objtool: gfs2_unpin()+0x23: unreachable instruction crypto/drbg.o: warning: objtool: drbg_async_seed()+0x4b: unreachable instruction fs/btrfs/backref.o: warning: objtool: add_inline_refs()+0x61: unreachable instruction kernel/smp.o: warning: objtool: generic_exec_single()+0x3e: unreachable instruction fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x57: unreachable instruction fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x3d: unreachable instruction fs/jbd2/transaction.o: warning: objtool: jbd2_journal_file_inode()+0x9b: unreachable instruction fs/gfs2/aops.o: warning: objtool: gfs2_invalidatepage()+0x47: unreachable instruction mm/zsmalloc.o: warning: objtool: zs_page_migrate()+0x16e: unreachable instruction fs/jbd2/commit.o: warning: objtool: jbd2_block_tag_csum_set()+0xf6: unreachable instruction kernel/module.o: warning: objtool: frob_ro_after_init()+0x16: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x30: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_descriptor_block_csum_verify()+0x8a: unreachable instruction fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x25: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x1a: unreachable instruction mm/userfaultfd.o: warning: objtool: mm_alloc_pmd()+0x6b: unreachable instruction fs/btrfs/send.o: warning: objtool: read_symlink()+0xdc: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_superblock_csum()+0x1e: unreachable instruction crypto/chacha20poly1305.o: warning: objtool: poly_tail()+0x5e: unreachable instruction fs/gfs2/quota.o: warning: objtool: gfs2_write_buf_to_page()+0x7f: unreachable instruction fs/jbd2/journal.o: warning: objtool: get_slab()+0x23: unreachable instruction fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x5e: unreachable instruction fs/ext4/xattr.o: warning: objtool: ext4_xattr_inode_hash()+0x1d: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_debug_show()+0xff: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_alloc_extent()+0x4a: unreachable instruction kernel/stop_machine.o: warning: objtool: multi_cpu_stop()+0x24: unreachable instruction /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_replace': /kisskb/src/drivers/dma-buf/reservation.c:210:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] drivers/dma-buf/reservation.o: warning: objtool: reservation_object_test_signaled_rcu()+0x4e: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x13: unreachable instruction fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x2d: unreachable instruction kernel/irq_work.o: warning: objtool: irq_work_run_list()+0x13: unreachable instruction /kisskb/src/lib/mpi/mpicoder.c: In function 'mpi_read_raw_from_sgl': /kisskb/src/lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] drivers/firmware/dcdbas.o: warning: objtool: smi_data_buf_free()+0x55: unreachable instruction fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0xd5: unreachable instruction fs/notify/mark.o: warning: objtool: fsnotify_add_mark_locked()+0x24: unreachable instruction crypto/tcrypt.o: warning: objtool: sg_init_aead()+0x13d: unreachable instruction drivers/firmware/dell_rbu.o: warning: objtool: img_update_free()+0x57: unreachable instruction fs/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x3c: unreachable instruction /kisskb/src/lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x244: unreachable instruction fs/reiserfs/namei.o: warning: objtool: linear_search_in_dir_item()+0x93: unreachable instruction fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x43: unreachable instruction drivers/gpu/drm/i2c/tda998x_drv.o: warning: objtool: tda998x_cec_calibration()+0x4b: unreachable instruction fs/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x1e: unreachable instruction drivers/hwspinlock/hwspinlock_core.o: warning: objtool: __hwspin_unlock()+0x18: unreachable instruction fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x32: unreachable instruction drivers/gpu/drm/ttm/ttm_tt.o: warning: objtool: ttm_tt_swapout()+0x25: unreachable instruction fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x40: unreachable instruction drivers/gpu/drm/ttm/ttm_bo.o: warning: objtool: ttm_bo_release_list()+0x24: unreachable instruction lib/random32.o: warning: objtool: __prandom_reseed()+0x13: unreachable instruction drivers/hwtracing/intel_th/msu.o: warning: objtool: msc_buffer_win_free()+0xda: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x30: unreachable instruction drivers/gpu/drm/virtio/virtgpu_vq.o: warning: objtool: virtio_gpu_get_vbuf.isra.4()+0x43: unreachable instruction drivers/gpu/drm/ttm/ttm_page_alloc_dma.o: warning: objtool: __ttm_dma_free_page()+0x4b: unreachable instruction lib/scatterlist.o: warning: objtool: __sg_alloc_table_from_pages()+0x108: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x1d8: unreachable instruction fs/namei.o: warning: objtool: __follow_mount_rcu()+0xa4: unreachable instruction lib/kfifo.o: warning: objtool: setup_sgl_buf()+0x12a: unreachable instruction drivers/ide/ide-io.o: warning: objtool: start_request()+0x1c: unreachable instruction drivers/ide/ide-iops.o: warning: objtool: __ide_wait_stat()+0x5f: unreachable instruction drivers/ide/ide-probe.o: warning: objtool: ide_unregister()+0x19: unreachable instruction /kisskb/src/lib/rhashtable.c: In function 'rhashtable_rehash_one': /kisskb/src/lib/rhashtable.c:269:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] fs/dcache.o: warning: objtool: d_walk()+0x49: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x26: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_measure_speed()+0x3c: unreachable instruction drivers/hid/hid-rmi.o: warning: objtool: rmi_input_event()+0x3c: unreachable instruction drivers/ide/ide-io-std.o: warning: objtool: ide_output_data()+0x60: unreachable instruction drivers/input/joystick/a3d.o: warning: objtool: a3d_read_packet()+0x3d: unreachable instruction drivers/input/joystick/gamecon.o: warning: objtool: gc_psx_read_packet()+0x5a: unreachable instruction drivers/input/joystick/sidewinder.o: warning: objtool: sw_init_digital()+0x3f: unreachable instruction drivers/input/joystick/tmdc.o: warning: objtool: tmdc_read_packet()+0x69: unreachable instruction drivers/ide/ide-disk.o: warning: objtool: ide_do_rw_disk()+0x1d: unreachable instruction drivers/input/joystick/cobra.o: warning: objtool: cobra_read_packet()+0x67: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x38: unreachable instruction lib/debugobjects.o: warning: objtool: free_obj_work()+0x1a: unreachable instruction drivers/ide/ide-floppy_ioctl.o: warning: objtool: ide_floppy_get_format_progress()+0x87: unreachable instruction drivers/input/joystick/gf2k.o: warning: objtool: gf2k_trigger_seq()+0x23: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x81: unreachable instruction drivers/input/joystick/grip.o: warning: objtool: grip_gpp_read_packet()+0x33: unreachable instruction drivers/input/joystick/joydump.o: warning: objtool: joydump_connect()+0x154: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0x63: unreachable instruction fs/namespace.o: warning: objtool: path_is_mountpoint()+0x4e: unreachable instruction fs/seq_file.o: warning: objtool: seq_dentry()+0x21: unreachable instruction lib/oid_registry.o: warning: objtool: sprint_OID()+0xb: unreachable instruction lib/dump_stack.o: warning: objtool: dump_stack()+0x12: unreachable instruction drivers/gpu/drm/drm_pci.o: warning: objtool: __drm_legacy_pci_free()+0x8e: unreachable instruction lib/flex_proportions.o: warning: objtool: fprop_new_period()+0x19: unreachable instruction lib/idr.o: warning: objtool: ida_simple_get()+0x1a: unreachable instruction lib/ioremap.o: warning: objtool: ioremap_pte_range()+0x4a: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0x8d: unreachable instruction fs/d_path.o: warning: objtool: get_fs_root_rcu()+0x23: unreachable instruction drivers/memstick/core/ms_block.o: warning: objtool: msb_read_page()+0x57: unreachable instruction drivers/memstick/core/mspro_block.o: warning: objtool: h_mspro_block_transfer_data()+0x166: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x1d: unreachable instruction lib/radix-tree.o: warning: objtool: radix_tree_tag_set()+0x38: unreachable instruction lib/ratelimit.o: warning: objtool: ___ratelimit()+0x21: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_item_unref()+0x32: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xb6: unreachable instruction fs/buffer.o: warning: objtool: buffer_check_dirty_writeback()+0x23: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0xc1: unreachable instruction drivers/pci/endpoint/pci-epf-core.o: warning: objtool: pci_epf_free_space()+0x66: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0x11: unreachable instruction fs/xfs/xfs_aops.o: warning: objtool: xfs_finish_page_writeback()+0x29: unreachable instruction drivers/mfd/ezx-pcap.o: warning: objtool: pcap_isr_work()+0x9b: unreachable instruction fs/mpage.o: warning: objtool: __mpage_writepage()+0x8a: unreachable instruction fs/direct-io.o: warning: objtool: do_direct_IO()+0x1dd: unreachable instruction drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_count_and_time()+0x4b: unreachable instruction drivers/gpu/drm/drm_gem_cma_helper.o: warning: objtool: drm_gem_cma_free_object()+0x5a: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x187: unreachable instruction fs/dax.o: warning: objtool: dax_mapping_entry_mkclean()+0xbc: unreachable instruction drivers/remoteproc/remoteproc_core.o: warning: objtool: rproc_handle_carveout()+0x9c: unreachable instruction drivers/mfd/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x48: unreachable instruction drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_remove()+0xba: unreachable instruction drivers/mfd/cros_ec_spi.o: warning: objtool: cros_ec_spi_receive_packet()+0x1b: unreachable instruction fs/locks.o: warning: objtool: locks_free_lock()+0x1e: unreachable instruction drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_ex_discover_expander()+0xf9: unreachable instruction /kisskb/src/drivers/slimbus/messaging.c: In function 'slim_do_transfer': /kisskb/src/drivers/slimbus/messaging.c:126:14: warning: 'tid' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/scsi_lib.o: warning: objtool: scsi_kmap_atomic_sg()+0x26: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x180: unreachable instruction drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x57: unreachable instruction drivers/staging/speakup/fakekey.o: warning: objtool: speakup_fake_down_arrow()+0x12: unreachable instruction drivers/staging/speakup/main.o: warning: objtool: speakup_bs()+0x2d: unreachable instruction drivers/scsi/xen-scsifront.o: warning: objtool: map_data_for_request()+0x1c1: unreachable instruction drivers/tty/serial/fsl_lpuart.o: warning: objtool: lpuart_resume()+0x1c6: unreachable instruction drivers/target/target_core_tmr.o: warning: objtool: __target_check_io_state()+0x25: unreachable instruction drivers/staging/speakup/varhandlers.o: warning: objtool: spk_get_var()+0xc: unreachable instruction drivers/scsi/virtio_scsi.o: warning: objtool: virtscsi_queuecommand()+0x32: unreachable instruction drivers/target/target_core_transport.o: warning: objtool: __transport_check_aborted_status()+0x18: unreachable instruction drivers/target/target_core_sbc.o: warning: objtool: compare_and_write_callback()+0x13a: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x5e: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: vring_free_queue()+0x45: unreachable instruction drivers/target/target_core_rd.o: warning: objtool: rd_allocate_sgl_table.isra.4()+0x10e: unreachable instruction drivers/xen/events/events_base.o: warning: objtool: __xen_evtchn_do_upcall()+0x48: unreachable instruction drivers/xen/events/events_2l.o: warning: objtool: evtchn_2l_unmask()+0x2a: unreachable instruction drivers/xen/events/events_fifo.o: warning: objtool: evtchn_fifo_unmask()+0x25: unreachable instruction drivers/video/fbdev/ocfb.o: warning: objtool: ocfb_remove()+0x6e: unreachable instruction drivers/target/target_core_pscsi.o: warning: objtool: pscsi_map_sg()+0x5b: unreachable instruction drivers/w1/w1_io.o: warning: objtool: w1_reset_bus()+0x23: unreachable instruction drivers/xen/grant-table.o: warning: objtool: gnttab_map()+0x28: unreachable instruction drivers/xen/manage.o: warning: objtool: xen_suspend()+0x1a: unreachable instruction drivers/xen/balloon.o: warning: objtool: decrease_reservation()+0x177: unreachable instruction drivers/xen/swiotlb-xen.o: warning: objtool: xen_swiotlb_map_sg_attrs()+0x30: unreachable instruction drivers/xen/privcmd.o: warning: objtool: remap_pfn_fn()+0x3e: unreachable instruction Completed OK # rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64 # Build took: 0:03:23.663640

© Michael Ellerman 2006-2018.