====================================== | [ 31.822473][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) | [ 31.822776][ C2] | [ 31.822876][ C2] | [ 31.822876][ C2] stack backtrace: [ 31.823319][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 31.823805][ C2] Call Trace: [ 31.823928][ C2] <IRQ> [ 31.824017][ C2] dump_stack_lvl (lib/dump_stack.c:117) [ 31.824183][ C2] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 31.824480][ C2] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 31.824644][ C2] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 31.824923][ C2] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 31.825095][ C2] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 31.825257][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 31.825413][ C2] mark_lock_irq (kernel/locking/lockdep.c:4244) [ 31.825582][ C2] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) [ 31.825748][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 31.825990][ C2] ? save_trace (kernel/locking/lockdep.c:586) [ 31.826141][ C2] mark_lock (kernel/locking/lockdep.c:4678) [ 31.826256][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 31.826409][ C2] mark_usage (kernel/locking/lockdep.c:4567) [ 31.826626][ C2] __lock_acquire (kernel/locking/lockdep.c:5091) [ 31.826794][ C2] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 31.826945][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 31.827111][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 31.827280][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 31.827658][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 31.827880][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 31.828095][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 31.828321][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 31.828616][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 31.828775][ C2] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) [ 31.828926][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 31.829081][ C2] addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 31.829321][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 31.829472][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 31.829622][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 31.829787][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 31.829938][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 31.830091][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 31.830242][ C2] call_timer_fn (kernel/time/timer.c:1793) [ 31.830394][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 31.830548][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 31.830795][ C2] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) [ 31.830946][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 31.831064][ C2] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) [ 31.831214][ C2] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 31.831453][ C2] ? __pfx___run_timers (kernel/time/timer.c:2389) [ 31.831605][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 31.831770][ C2] ? 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) [ 31.831925][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 31.832161][ C2] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 31.832313][ C2] ? timer_expire_remote (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2181) [ 31.832468][ C2] timer_expire_remote (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2181) [ 31.832620][ C2] tmigr_handle_remote_cpu (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:127 kernel/time/timer_migration.c:925) [ 31.832792][ C2] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:869) [ 31.833114][ C2] tmigr_handle_remote_up (kernel/time/timer_migration.c:1003) [ 31.833282][ C2] tmigr_handle_remote (kernel/time/timer_migration.c:488 kernel/time/timer_migration.c:1061) [ 31.833439][ C2] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1026) [ 31.833623][ C2] __do_softirq (kernel/softirq.c:554) [ 31.833875][ C2] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) [ 31.833992][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 31.834163][ C2] </IRQ> [ 31.834242][ C2] <TASK> [ 31.834319][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 31.834606][ C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 31.834839][ C2] Code: 10 e8 41 ea 91 fd 48 89 ef e8 79 5a 92 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 e5 61 66 5e <74> 0e 5b 5d c3 cc cc cc cc e8 6f 54 b5 fd eb dc 0f 1f 44 00 00 5b All code ======== 0: 10 e8 adc %ch,%al 2: 41 ea rex.B (bad) 4: 91 xchg %eax,%ecx 5: fd std 6: 48 89 ef mov %rbp,%rdi 9: e8 79 5a 92 fd call 0xfffffffffd925a87 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 e5 61 66 5e decl %gs:0x5e6661e5(%rip) # 0x5e66620f 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 6f 54 b5 fd call 0xfffffffffdb554a7 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 6f 54 b5 fd call 0xfffffffffdb5547d e: eb dc jmp 0xffffffffffffffec 10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 15: 5b pop %rbx [ 31.835489][ C2] RSP: 0018:ffffc90000f4fbd0 EFLAGS: 00000282 [ 31.835701][ C2] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff46adc01 [ 31.835929][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa19d67f1 [ 31.836263][ C2] RBP: ffff888001960180 R08: 0000000000000001 R09: fffffbfff46ae482 [ 31.836533][ C2] R10: ffffffffa3572417 R11: 0000000000000040 R12: ffff888001960180 [ 31.836870][ C2] R13: ffffea000017f400 R14: ffff88800195d3c0 R15: ffff888005fd57c0 [ 31.837290][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 31.837514][ C2] get_partial_node.part.0 (mm/slub.c:2623) [ 31.837689][ C2] ___slab_alloc (mm/slub.c:2583 mm/slub.c:2701 mm/slub.c:3505) [ 31.837948][ C2] ? kmem_cache_alloc (./include/linux/sched/mm.h:315 mm/slub.c:3746 mm/slub.c:3827 mm/slub.c:3852) [ 31.838167][ C2] ? getname_flags (fs/namei.c:139) [ 31.838378][ C2] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 31.838532][ C2] ? getname_flags (fs/namei.c:139) [ 31.838793][ C2] ? kmem_cache_alloc (mm/slub.c:3610 mm/slub.c:3663 mm/slub.c:3835 mm/slub.c:3852) [ 31.838953][ C2] kmem_cache_alloc (mm/slub.c:3610 mm/slub.c:3663 mm/slub.c:3835 mm/slub.c:3852) [ 31.839107][ C2] getname_flags (fs/namei.c:139) [ 31.839261][ C2] do_sys_openat2 (fs/open.c:1400) [ 31.839430][ C2] ? vfs_fstatat (fs/stat.c:308) [ 31.839694][ C2] ? __pfx_do_sys_openat2 (fs/open.c:1392) [ 31.839846][ C2] ? __pfx___do_sys_newfstatat (fs/stat.c:464) [ 31.840010][ C2] __x64_sys_openat (fs/open.c:1432) [ 31.840163][ C2] ? __pfx___x64_sys_openat (fs/open.c:1432) [ 31.840499][ C2] ? __pfx_do_faccessat (fs/open.c:465) [ 31.840688][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 31.840843][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 31.841053][ C2] RIP: 0033:0x7efc4def20e8 [ 31.841304][ C2] Code: f9 41 89 f0 41 83 e2 40 75 30 89 f0 25 00 00 41 00 3d 00 00 41 00 74 22 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 30 c3 0f 1f 80 00 00 00 00 48 8d 44 24 08 c7 All code ======== 0: f9 stc 1: 41 89 f0 mov %esi,%r8d 4: 41 83 e2 40 and $0x40,%r10d 8: 75 30 jne 0x3a a: 89 f0 mov %esi,%eax c: 25 00 00 41 00 and $0x410000,%eax 11: 3d 00 00 41 00 cmp $0x410000,%eax 16: 74 22 je 0x3a 18: 44 89 c2 mov %r8d,%edx 1b: 4c 89 ce mov %r9,%rsi 1e: bf 9c ff ff ff mov $0xffffff9c,%edi 23: b8 01 01 00 00 mov $0x101,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 30 ja 0x62 32: c3 ret 33: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 3a: 48 8d 44 24 08 lea 0x8(%rsp),%rax 3f: c7 .byte 0xc7 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 30 ja 0x38 8: c3 ret 9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 10: 48 8d 44 24 08 lea 0x8(%rsp),%rax 15: c7 .byte 0xc7 [ 31.841886][ C2] RSP: 002b:00007ffc90dd1cc8 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 31.842128][ C2] RAX: ffffffffffffffda RBX: 00007ffc90dd1f4f RCX: 00007efc4def20e8 [ 31.842359][ C2] RDX: 0000000000080000 RSI: 00007ffc90dd1d40 RDI: 00000000ffffff9c [ 31.842733][ C2] RBP: 00007ffc90dd1d30 R08: 0000000000080000 R09: 00007ffc90dd1d40 [ 31.842998][ C2] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffc90dd1d47 Finger prints: dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage