======================================
| [ 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