====================================== | [ 37.484613][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 37.484922][ C1] | [ 37.485050][ C1] | [ 37.485050][ C1] stack backtrace: [ 37.485737][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 37.486287][ C1] Call Trace: [ 37.486475][ C1] [ 37.486604][ C1] dump_stack_lvl (lib/dump_stack.c:117) [ 37.486859][ C1] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 37.487176][ C1] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 37.487433][ C1] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 37.487748][ C1] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 37.487997][ C1] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 37.488248][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 37.488500][ C1] mark_lock_irq (kernel/locking/lockdep.c:4244) [ 37.488758][ C1] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) [ 37.489008][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 37.489264][ C1] ? save_trace (kernel/locking/lockdep.c:586) [ 37.489522][ C1] mark_lock (kernel/locking/lockdep.c:4678) [ 37.489717][ C1] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 37.489968][ C1] mark_usage (kernel/locking/lockdep.c:4567) [ 37.490161][ C1] __lock_acquire (kernel/locking/lockdep.c:5091) [ 37.490415][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 37.490673][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 37.490929][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 37.491180][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 37.491437][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 37.491688][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 37.491945][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 37.492202][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 37.492453][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 37.492708][ C1] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) [ 37.492959][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 37.493208][ C1] addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 37.493461][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 37.493716][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 37.493977][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 37.494250][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 37.494511][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 37.494773][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 37.495019][ C1] call_timer_fn (kernel/time/timer.c:1793) [ 37.495272][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 37.495520][ C1] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 37.495776][ C1] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) [ 37.496024][ C1] ? 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) [ 37.496274][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 37.496526][ C1] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) [ 37.496775][ C1] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 37.497029][ C1] ? __pfx___run_timers (kernel/time/timer.c:2389) [ 37.497279][ C1] ? 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) [ 37.497528][ C1] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 37.497783][ C1] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 37.498038][ C1] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) [ 37.498292][ C1] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) [ 37.498543][ C1] __do_softirq (kernel/softirq.c:554) [ 37.498792][ C1] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) [ 37.498981][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 37.499230][ C1] [ 37.499358][ C1] [ 37.499484][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 37.499793][ C1] RIP: 0010:memchr_inv (lib/string.c:856) [ 37.500061][ C1] Code: 00 00 00 00 fc ff df 4c 0f af e2 48 8d 04 c3 eb 0d 48 83 c3 08 48 39 c3 0f 84 b0 00 00 00 48 89 da 48 c1 ea 03 42 80 3c 32 00 <0f> 85 19 01 00 00 4c 39 23 74 dc 48 bd 00 00 00 00 00 fc ff df 4c All code ======== 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: fc cld 5: ff (bad) 6: df 4c 0f af fisttps -0x51(%rdi,%rcx,1) a: e2 48 loop 0x54 c: 8d 04 c3 lea (%rbx,%rax,8),%eax f: eb 0d jmp 0x1e 11: 48 83 c3 08 add $0x8,%rbx 15: 48 39 c3 cmp %rax,%rbx 18: 0f 84 b0 00 00 00 je 0xce 1e: 48 89 da mov %rbx,%rdx 21: 48 c1 ea 03 shr $0x3,%rdx 25: 42 80 3c 32 00 cmpb $0x0,(%rdx,%r14,1) 2a:* 0f 85 19 01 00 00 jne 0x149 <-- trapping instruction 30: 4c 39 23 cmp %r12,(%rbx) 33: 74 dc je 0x11 35: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp 3c: fc ff df 3f: 4c rex.WR Code starting with the faulting instruction =========================================== 0: 0f 85 19 01 00 00 jne 0x11f 6: 4c 39 23 cmp %r12,(%rbx) 9: 74 dc je 0xffffffffffffffe7 b: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp 12: fc ff df 15: 4c rex.WR [ 37.500950][ C1] RSP: 0018:ffffc9000074fc80 EFLAGS: 00000286 [ 37.501281][ C1] RAX: ffff888005c58000 RBX: ffff888005c566a0 RCX: ffffffffa483c764 [ 37.501657][ C1] RDX: 1ffff11000b8acd4 RSI: 0000000000000008 RDI: ffff888005c56698 [ 37.502060][ C1] RBP: 0000000000002000 R08: 0000000000000001 R09: fffffbfff4f63ca9 [ 37.502435][ C1] R10: ffffffffa7b1e54f R11: 0000000000001000 R12: 5a5a5a5a5a5a5a5a [ 37.502799][ C1] R13: 000000000000005a R14: dffffc0000000000 R15: ffff888005c56000 [ 37.503169][ C1] ? memchr_inv (lib/string.c:856) [ 37.503419][ C1] slab_pad_check.part.0 (mm/slub.c:1281) [ 37.503669][ C1] free_slab (mm/slub.c:242 mm/slub.c:2423) [ 37.503853][ C1] qlist_free_all (mm/kasan/quarantine.c:174) [ 37.504110][ C1] kasan_quarantine_reduce (./include/linux/srcu.h:285 mm/kasan/quarantine.c:287) [ 37.504389][ C1] __kasan_slab_alloc (mm/kasan/common.c:322) [ 37.504644][ C1] kmem_cache_alloc (./include/linux/kasan.h:201 mm/slub.c:3798 mm/slub.c:3845 mm/slub.c:3852) [ 37.504893][ C1] __alloc_object (mm/kmemleak.c:466 mm/kmemleak.c:645) [ 37.505147][ C1] __create_object (mm/kmemleak.c:750) [ 37.505400][ C1] kmem_cache_alloc (./include/linux/kmemleak.h:42 mm/slub.c:3802 mm/slub.c:3845 mm/slub.c:3852) [ 37.505656][ C1] getname_flags (fs/namei.c:139) [ 37.505914][ C1] __x64_sys_unlinkat (fs/namei.c:4445 fs/namei.c:4438 fs/namei.c:4438) [ 37.506163][ C1] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 37.506422][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 37.506734][ C1] RIP: 0033:0x7f79f4d66bab [ 37.506991][ C1] Code: 73 01 c3 48 8b 0d 55 a2 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 25 a2 1b 00 f7 d8 64 89 01 48 All code ======== 0: 73 01 jae 0x3 2: c3 ret 3: 48 8b 0d 55 a2 1b 00 mov 0x1ba255(%rip),%rcx # 0x1ba25f a: f7 d8 neg %eax c: 64 89 01 mov %eax,%fs:(%rcx) f: 48 83 c8 ff or $0xffffffffffffffff,%rax 13: c3 ret 14: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 1b: 00 00 00 1e: 90 nop 1f: f3 0f 1e fa endbr64 23: b8 07 01 00 00 mov $0x107,%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 25 a2 1b 00 mov 0x1ba225(%rip),%rcx # 0x1ba25f 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 25 a2 1b 00 mov 0x1ba225(%rip),%rcx # 0x1ba235 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 37.507883][ C1] RSP: 002b:00007ffc7cd27608 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 [ 37.508267][ C1] RAX: ffffffffffffffda RBX: 000055db31dbd2b0 RCX: 00007f79f4d66bab [ 37.508645][ C1] RDX: 0000000000000000 RSI: 000055db31dc2670 RDI: 000000000000000b [ 37.509010][ C1] RBP: 00007ffc7cd276b0 R08: 00000000ffffff00 R09: 0000000000000000 [ 37.509330][ C1] R10: 0000000000000400 R11: 0000000000000246 R12: 000055db31dc2670 Finger prints: dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage