====================================== | [ 11.932876][ C0] | [ 11.932876][ C0] | [ 11.932876][ C0] stack backtrace: | [ 11.932883][ C0] Tainted: [W]=WARN [ 11.932883][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.932885][ C0] Call Trace: [ 11.932886][ C0] [ 11.932888][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.932892][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 11.932894][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 11.932897][ C0] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 11.932901][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 11.932904][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 11.932906][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 11.932909][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.932910][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 11.932912][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.932915][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.932917][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 11.932919][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 11.932921][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 11.932923][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.932925][ C0] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.932927][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.932928][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.932930][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.932933][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.932934][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.932937][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.932939][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.932940][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.932942][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.932944][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.932946][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.932948][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 11.932950][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.932952][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 11.932954][ C0] _printk (kernel/printk/printk.c:2504) [ 11.932956][ C0] ? snapshot_read.cold (user.c:?) [ 11.932958][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 11.932959][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.932962][ C0] clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10)) [ 11.932963][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 11.932965][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 11.932967][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 11.932969][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 11.932970][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 11.932974][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.932976][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.932978][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.932980][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 11.932981][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 11.932984][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 11.932986][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.932988][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.932991][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 11.932993][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 11.932994][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.932997][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.932999][ C0] handle_softirqs (kernel/softirq.c:645) [ 11.933000][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.933002][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 11.933004][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 11.933006][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 11.933007][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 11.933009][ C0] [ 11.933009][ C0] [ 11.933010][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 11.933012][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12)) [ 11.933014][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 bf ba fd 48 89 df e8 c9 15 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 70 df ac fd 65 48 83 3d af 1b f3 01 00 74 12 5b All code ======== 0: f5 cmc 1: 53 push %rbx 2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 7: 48 89 fb mov %rdi,%rbx a: 48 83 c7 18 add $0x18,%rdi e: e8 c1 bf ba fd call 0xfffffffffdbabfd4 13: 48 89 df mov %rbx,%rdi 16: e8 c9 15 bb fd call 0xfffffffffdbb15e4 1b: f7 c5 00 02 00 00 test $0x200,%ebp 21: 75 1f jne 0x42 23: 9c pushf 24: 58 pop %rax 25: f6 c4 02 test $0x2,%ah 28: 75 2f jne 0x59 2a:* bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 70 df ac fd call 0xfffffffffdacdfa4 34: 65 48 83 3d af 1b f3 cmpq $0x0,%gs:0x1f31baf(%rip) # 0x1f31bec 3b: 01 00 3d: 74 12 je 0x51 3f: 5b pop %rbx Code starting with the faulting instruction =========================================== 0: bf 01 00 00 00 mov $0x1,%edi 5: e8 70 df ac fd call 0xfffffffffdacdf7a a: 65 48 83 3d af 1b f3 cmpq $0x0,%gs:0x1f31baf(%rip) # 0x1f31bc2 11: 01 00 13: 74 12 je 0x27 15: 5b pop %rbx [ 11.933016][ C0] RSP: 0018:ffa00000007979b8 EFLAGS: 00000246 [ 11.933019][ C0] RAX: 0000000000000092 RBX: ff1100000198a540 RCX: ffffffff9b3a7483 [ 11.933020][ C0] RDX: ff1100000cb72380 RSI: ffffffff9bc38b1c RDI: ffffffff9b68d8e0 [ 11.933021][ C0] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000 [ 11.933022][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff1100000198a540 [ 11.933023][ C0] R13: ffd4000000312010 R14: ffd4000000312000 R15: ff1100000c481480 [ 11.933024][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 11.933027][ C0] get_from_partial_node (./include/linux/spinlock.h:425 (discriminator 3) mm/slub.c:3943 (discriminator 3)) [ 11.933029][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.933031][ C0] ___slab_alloc (mm/slub.c:4034 (discriminator 1) mm/slub.c:4564 (discriminator 1)) [ 11.933032][ C0] ? __pcs_replace_empty_main (mm/slub.c:4737 (discriminator 20)) [ 11.933034][ C0] kmem_cache_alloc_noprof (mm/slub.c:4987 mm/slub.c:5010) [ 11.933036][ C0] ? alloc_empty_file (fs/file_table.c:262 (discriminator 11)) [ 11.933038][ C0] alloc_empty_file (fs/file_table.c:262 (discriminator 11)) [ 11.933039][ C0] path_openat (fs/namei.c:4986 (discriminator 8)) [ 11.933041][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.933043][ C0] ? kernel_tmpfile_open (fs/namei.c:4942) [ 11.933045][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.933048][ C0] do_file_open (fs/namei.c:5029) [ 11.933049][ C0] ? path_openat (./include/linux/mount.h:68 (discriminator 3)) [ 11.933051][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.933054][ C0] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1)) [ 11.933056][ C0] ? alloc_fd (./include/linux/spinlock.h:401 fs/file.c:610) [ 11.933060][ C0] do_sys_openat2 (fs/open.c:1417 (discriminator 5)) [ 11.933062][ C0] ? build_open_flags (fs/open.c:1319 (discriminator 3)) [ 11.933064][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933065][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.933067][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.933069][ C0] __x64_sys_openat (fs/open.c:1423 fs/open.c:1439 fs/open.c:1434 fs/open.c:1434) [ 11.933071][ C0] ? fput_close_sync (fs/file_table.c:617) [ 11.933072][ C0] ? __ia32_sys_open (fs/open.c:1427) [ 11.933074][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933076][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.933077][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.933078][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.933080][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.933081][ C0] RIP: 0033:0x7f71dff7054e [ 11.933084][ C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 11.933085][ C0] RSP: 002b:00007ffeea22b5a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 11.933087][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f71dff7054e [ 11.933088][ C0] RDX: 00000000002a0000 RSI: 000056216ebbd2d0 RDI: 0000000000000015 [ 11.933088][ C0] RBP: 00007ffeea22b5b0 R08: 0000000000000000 R09: 0000000000000000 [ 11.933089][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000056216ed15411 [ 11.933090][ C0] R13: 0000000000000015 R14: 000056216ebbd2d0 R15: 0000000000000016 | [ 11.933108][ C0] softirqs last disabled at (248313): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.933110][ C0] Preemption disabled at: | [ 11.933110][ C0] 0x0 | [ 11.933115][ C0] Tainted: [W]=WARN [ 11.933115][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.933116][ C0] Call Trace: [ 11.933117][ C0] [ 11.933117][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.933119][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 11.933122][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.933125][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933128][ C0] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.933129][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.933131][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.933133][ C0] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.933134][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.933136][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 11.933138][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.933140][ C0] ? mark_lock (kernel/locking/lockdep.c:4769) [ 11.933142][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.933144][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.933146][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933147][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933150][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.933152][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.933154][ C0] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.933155][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933157][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.933159][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.933162][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.933163][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.933166][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.933167][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.933169][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933171][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.933173][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.933174][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.933176][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 11.933179][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.933181][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 11.933183][ C0] _printk (kernel/printk/printk.c:2504) [ 11.933185][ C0] ? snapshot_read.cold (user.c:?) [ 11.933187][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 11.933188][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.933191][ C0] clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10)) [ 11.933192][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 11.933194][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 11.933195][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 11.933198][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 11.933199][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 11.933201][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.933203][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.933204][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933207][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 11.933208][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 11.933211][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 11.933212][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.933215][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.933217][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 11.933219][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 11.933221][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.933222][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933224][ C0] handle_softirqs (kernel/softirq.c:645) [ 11.933226][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.933228][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 11.933230][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 11.933231][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 11.933232][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 11.933234][ C0] [ 11.933235][ C0] [ 11.933235][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 11.933237][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12)) [ 11.933239][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 bf ba fd 48 89 df e8 c9 15 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 70 df ac fd 65 48 83 3d af 1b f3 01 00 74 12 5b All code ======== 0: f5 cmc 1: 53 push %rbx 2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 7: 48 89 fb mov %rdi,%rbx a: 48 83 c7 18 add $0x18,%rdi e: e8 c1 bf ba fd call 0xfffffffffdbabfd4 13: 48 89 df mov %rbx,%rdi 16: e8 c9 15 bb fd call 0xfffffffffdbb15e4 1b: f7 c5 00 02 00 00 test $0x200,%ebp 21: 75 1f jne 0x42 23: 9c pushf 24: 58 pop %rax 25: f6 c4 02 test $0x2,%ah 28: 75 2f jne 0x59 2a:* bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 70 df ac fd call 0xfffffffffdacdfa4 34: 65 48 83 3d af 1b f3 cmpq $0x0,%gs:0x1f31baf(%rip) # 0x1f31bec 3b: 01 00 3d: 74 12 je 0x51 3f: 5b pop %rbx Code starting with the faulting instruction =========================================== 0: bf 01 00 00 00 mov $0x1,%edi 5: e8 70 df ac fd call 0xfffffffffdacdf7a a: 65 48 83 3d af 1b f3 cmpq $0x0,%gs:0x1f31baf(%rip) # 0x1f31bc2 11: 01 00 13: 74 12 je 0x27 15: 5b pop %rbx [ 11.933240][ C0] RSP: 0018:ffa00000007979b8 EFLAGS: 00000246 [ 11.933241][ C0] RAX: 0000000000000092 RBX: ff1100000198a540 RCX: ffffffff9b3a7483 [ 11.933242][ C0] RDX: ff1100000cb72380 RSI: ffffffff9bc38b1c RDI: ffffffff9b68d8e0 [ 11.933242][ C0] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000 [ 11.933243][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff1100000198a540 [ 11.933244][ C0] R13: ffd4000000312010 R14: ffd4000000312000 R15: ff1100000c481480 [ 11.933245][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 11.933248][ C0] get_from_partial_node (./include/linux/spinlock.h:425 (discriminator 3) mm/slub.c:3943 (discriminator 3)) [ 11.933249][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.933252][ C0] ___slab_alloc (mm/slub.c:4034 (discriminator 1) mm/slub.c:4564 (discriminator 1)) [ 11.933253][ C0] ? __pcs_replace_empty_main (mm/slub.c:4737 (discriminator 20)) [ 11.933255][ C0] kmem_cache_alloc_noprof (mm/slub.c:4987 mm/slub.c:5010) [ 11.933257][ C0] ? alloc_empty_file (fs/file_table.c:262 (discriminator 11)) [ 11.933259][ C0] alloc_empty_file (fs/file_table.c:262 (discriminator 11)) [ 11.933260][ C0] path_openat (fs/namei.c:4986 (discriminator 8)) [ 11.933262][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.933263][ C0] ? kernel_tmpfile_open (fs/namei.c:4942) [ 11.933265][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.933267][ C0] do_file_open (fs/namei.c:5029) [ 11.933269][ C0] ? path_openat (./include/linux/mount.h:68 (discriminator 3)) [ 11.933271][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.933274][ C0] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1)) [ 11.933276][ C0] ? alloc_fd (./include/linux/spinlock.h:401 fs/file.c:610) [ 11.933279][ C0] do_sys_openat2 (fs/open.c:1417 (discriminator 5)) [ 11.933280][ C0] ? build_open_flags (fs/open.c:1319 (discriminator 3)) [ 11.933282][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933284][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.933285][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.933287][ C0] __x64_sys_openat (fs/open.c:1423 fs/open.c:1439 fs/open.c:1434 fs/open.c:1434) [ 11.933289][ C0] ? fput_close_sync (fs/file_table.c:617) [ 11.933290][ C0] ? __ia32_sys_open (fs/open.c:1427) [ 11.933292][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.933294][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.933295][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.933297][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.933298][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.933300][ C0] RIP: 0033:0x7f71dff7054e [ 11.933301][ C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 11.933302][ C0] RSP: 002b:00007ffeea22b5a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 11.933303][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f71dff7054e [ 11.933303][ C0] RDX: 00000000002a0000 RSI: 000056216ebbd2d0 RDI: 0000000000000015 [ 11.933304][ C0] RBP: 00007ffeea22b5b0 R08: 0000000000000000 R09: 0000000000000000 [ 11.933305][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000056216ed15411 [ 11.933305][ C0] R13: 0000000000000015 R14: 000056216ebbd2d0 R15: 0000000000000016 | [ 18.826229][ T390] softirqs last disabled at (0): 0x0 | [ 18.826231][ T390] Preemption disabled at: | [ 18.826232][ T390] vprintk_emit (kernel/printk/printk.c:2471) | [ 18.826243][ T390] Tainted: [W]=WARN [ 18.826244][ T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.826246][ T390] Call Trace: [ 18.826247][ T390] [ 18.826248][ T390] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.826254][ T390] ? vprintk_emit (kernel/printk/printk.c:2471) [ 18.826256][ T390] __might_resched.cold (kernel/sched/core.c:9234) [ 18.826260][ T390] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.826263][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.826267][ T390] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 18.826270][ T390] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.826273][ T390] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.826277][ T390] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 18.826279][ T390] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.826280][ T390] put_chars (drivers/char/virtio_console.c:1176) [ 18.826282][ T390] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 18.826284][ T390] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.826286][ T390] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 18.826288][ T390] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.826292][ T390] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.826293][ T390] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 18.826294][ T390] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.826296][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.826298][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.826299][ T390] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.826302][ T390] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.826304][ T390] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.826306][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.826308][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.826312][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.826313][ T390] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.826316][ T390] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 18.826317][ T390] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.826320][ T390] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.826322][ T390] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.826324][ T390] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.826326][ T390] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.826327][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.826329][ T390] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.826330][ T390] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.826332][ T390] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 18.826334][ T390] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.826336][ T390] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.826338][ T390] vprintk_emit (kernel/printk/printk.c:2479) [ 18.826341][ T390] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.826344][ T390] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 18.826346][ T390] _printk (kernel/printk/printk.c:2504) [ 18.826349][ T390] ? snapshot_read.cold (user.c:?) [ 18.826352][ T390] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 18.826354][ T390] gact_init_module (net/sched/act_gact.c:180) act_gact [ 18.826356][ T390] do_one_initcall (init/main.c:1357) [ 18.826358][ T390] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 18.826360][ T390] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 18.826363][ T390] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 18.826366][ T390] do_init_module (kernel/module/main.c:3117) [ 18.826368][ T390] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 18.826370][ T390] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 18.826373][ T390] load_module (kernel/module/main.c:3593) [ 18.826376][ T390] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 18.826378][ T390] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.826380][ T390] ? __ia32_sys_fsconfig (??:?) [ 18.826383][ T390] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.826385][ T390] init_module_from_file (kernel/module/main.c:3790) [ 18.826387][ T390] ? __do_sys_init_module (kernel/module/main.c:3664) [ 18.826389][ T390] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 18.826392][ T390] ? handle_pte_fault (mm/memory.c:6558) [ 18.826395][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.826396][ T390] ? ovl_mmap (fs/overlayfs/file.c:477) [ 18.826400][ T390] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.826402][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.826404][ T390] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.826405][ T390] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 18.826407][ T390] idempotent_init_module (kernel/module/main.c:3802) [ 18.826409][ T390] ? init_module_from_file (kernel/module/main.c:3791) [ 18.826412][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.826414][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.826416][ T390] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 18.826420][ T390] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 18.826421][ T390] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.826424][ T390] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.826427][ T390] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.826429][ T390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.826431][ T390] RIP: 0033:0x7f566b28837d [ 18.826434][ T390] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 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 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 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 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 18.826435][ T390] RSP: 002b:00007ffee79548e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 18.826439][ T390] RAX: ffffffffffffffda RBX: 00005615c7a48810 RCX: 00007f566b28837d [ 18.826441][ T390] RDX: 0000000000000000 RSI: 00005615c02fcffd RDI: 0000000000000000 [ 18.826442][ T390] RBP: 00007ffee7954980 R08: 0000000000000000 R09: 0000000000000000 [ 18.826442][ T390] R10: 0000000000000000 R11: 0000000000000246 R12: 00005615c02fcffd Finger prints: vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print