====================================== | [ 39.332847][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 39.333030][ C0] | [ 39.333107][ C0] | [ 39.333107][ C0] stack backtrace: [ 39.333619][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 39.334052][ C0] Call Trace: [ 39.334166][ C0] [ 39.334245][ C0] dump_stack_lvl (lib/dump_stack.c:117) [ 39.334414][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 39.334606][ C0] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 39.334861][ C0] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 39.335054][ C0] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 39.335206][ C0] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 39.335352][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 39.335594][ C0] mark_lock_irq (kernel/locking/lockdep.c:4244) [ 39.335741][ C0] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) [ 39.335891][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 39.336039][ C0] ? save_trace (kernel/locking/lockdep.c:586) [ 39.336373][ C0] mark_lock (kernel/locking/lockdep.c:4678) [ 39.336488][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 39.336642][ C0] mark_usage (kernel/locking/lockdep.c:4567) [ 39.336766][ C0] __lock_acquire (kernel/locking/lockdep.c:5091) [ 39.336918][ C0] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 39.337168][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 39.337319][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 39.337462][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 39.337618][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 39.337872][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 39.338024][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 39.338176][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 39.338320][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 39.338574][ C0] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) [ 39.338749][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 39.338901][ C0] addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 39.339053][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 39.339309][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 39.339467][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 39.339635][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 39.339798][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 39.339947][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 39.340195][ C0] call_timer_fn (kernel/time/timer.c:1793) [ 39.340348][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 39.340500][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 39.340653][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) [ 39.340814][ C0] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 39.340964][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 39.341123][ C0] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) [ 39.341278][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 39.341531][ C0] ? __pfx___run_timers (kernel/time/timer.c:2389) [ 39.341681][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:115 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) [ 39.341839][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 39.341997][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 39.342244][ C0] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) [ 39.342402][ C0] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) [ 39.342557][ C0] __do_softirq (kernel/softirq.c:554) [ 39.342705][ C0] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) [ 39.342825][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 39.343065][ C0] [ 39.343141][ C0] [ 39.343223][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 39.343412][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 39.343613][ C0] Code: 10 e8 21 49 9b fd 48 89 ef e8 59 b9 9b fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 05 bf 2f 59 <74> 0e 5b 5d c3 cc cc cc cc e8 4f b3 be fd eb dc 0f 1f 44 00 00 5b All code ======== 0: 10 e8 adc %ch,%al 2: 21 49 9b and %ecx,-0x65(%rcx) 5: fd std 6: 48 89 ef mov %rbp,%rdi 9: e8 59 b9 9b fd call 0xfffffffffd9bb967 e: 81 e3 00 02 00 00 and $0x200,%ebx 14: 75 1d jne 0x33 16: 9c pushf 17: 58 pop %rax 18: f6 c4 02 test $0x2,%ah 1b: 75 29 jne 0x46 1d: 48 85 db test %rbx,%rbx 20: 74 01 je 0x23 22: fb sti 23: 65 ff 0d 05 bf 2f 59 decl %gs:0x592fbf05(%rip) # 0x592fbf2f 2a:* 74 0e je 0x3a <-- trapping instruction 2c: 5b pop %rbx 2d: 5d pop %rbp 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: e8 4f b3 be fd call 0xfffffffffdbeb387 38: eb dc jmp 0x16 3a: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 3f: 5b pop %rbx Code starting with the faulting instruction =========================================== 0: 74 0e je 0x10 2: 5b pop %rbx 3: 5d pop %rbp 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: e8 4f b3 be fd call 0xfffffffffdbeb35d e: eb dc jmp 0xffffffffffffffec 10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 15: 5b pop %rbx [ 39.344281][ C0] RSP: 0018:ffffc9000070fb88 EFLAGS: 00000286 [ 39.344570][ C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff53e5955 [ 39.344802][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa6d40911 [ 39.345043][ C0] RBP: ffff88800104f440 R08: 0000000000000001 R09: fffffbfff53e38a9 [ 39.345366][ C0] R10: ffffffffa9f1c54f R11: 0000000000000008 R12: ffff888007441a48 [ 39.345593][ C0] R13: 0000000000000000 R14: ffffc9000070fbd8 R15: ffff888003d1edc8 [ 39.345834][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 39.346114][ C0] qlist_free_all (mm/kasan/quarantine.c:174) [ 39.346272][ C0] kasan_quarantine_reduce (./include/linux/srcu.h:285 mm/kasan/quarantine.c:287) [ 39.346433][ C0] __kasan_slab_alloc (mm/kasan/common.c:322) [ 39.346585][ C0] kmem_cache_alloc (./include/linux/kasan.h:201 mm/slub.c:3798 mm/slub.c:3845 mm/slub.c:3852) [ 39.346835][ C0] __alloc_object (mm/kmemleak.c:466 mm/kmemleak.c:645) [ 39.346991][ C0] __create_object (mm/kmemleak.c:750) [ 39.347149][ C0] kmem_cache_alloc_lru (./include/linux/kmemleak.h:42 mm/slub.c:3802 mm/slub.c:3845 mm/slub.c:3864) [ 39.347303][ C0] ? __d_lookup (./include/linux/rcupdate.h:810 fs/dcache.c:2328) [ 39.347555][ C0] __d_alloc (fs/dcache.c:1624) [ 39.347675][ C0] d_alloc (fs/dcache.c:1704) [ 39.347798][ C0] lookup_one_qstr_excl (fs/namei.c:1603) [ 39.347955][ C0] ? mnt_want_write (fs/namespace.c:410) [ 39.348117][ C0] do_unlinkat (fs/namei.c:4390) [ 39.348466][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 39.348618][ C0] ? __pfx_do_unlinkat (fs/namei.c:4367) [ 39.348774][ C0] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209) [ 39.348935][ C0] ? getname_flags (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 fs/namei.c:190) [ 39.349180][ C0] __x64_sys_unlink (fs/namei.c:4448) [ 39.349333][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 39.349480][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 39.349668][ C0] RIP: 0033:0x7fcf93bcdb7b [ 39.349829][ C0] Code: f0 ff ff 73 01 c3 48 8b 0d 82 a2 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 a2 1b 00 f7 d8 64 89 01 48 All code ======== 0: f0 ff lock (bad) 2: ff 73 01 push 0x1(%rbx) 5: c3 ret 6: 48 8b 0d 82 a2 1b 00 mov 0x1ba282(%rip),%rcx # 0x1ba28f d: f7 d8 neg %eax f: 64 89 01 mov %eax,%fs:(%rcx) 12: 48 83 c8 ff or $0xffffffffffffffff,%rax 16: c3 ret 17: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 1e: 00 1f: f3 0f 1e fa endbr64 23: b8 57 00 00 00 mov $0x57,%eax 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 55 a2 1b 00 mov 0x1ba255(%rip),%rcx # 0x1ba28f 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 55 a2 1b 00 mov 0x1ba255(%rip),%rcx # 0x1ba265 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 39.350365][ C0] RSP: 002b:00007fffde239298 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 39.350683][ C0] RAX: ffffffffffffffda RBX: 00005623a1afa2c0 RCX: 00007fcf93bcdb7b [ 39.350927][ C0] RDX: 0000000000000031 RSI: 00005623a1afa2c0 RDI: 000056239c4ad4bc [ 39.351151][ C0] RBP: 00007fffde239340 R08: 0000000000012b94 R09: 00007fcf94180080 [ 39.351474][ C0] R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000001 Finger prints: dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage