======================================
| [    9.417781][  T186] softirqs last disabled at (42507): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.417783][  T186] Preemption disabled at:
| [    9.417784][  T186] 0x0
| [    9.417794][  T186] Tainted: [W]=WARN
[    9.417795][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.417796][  T186] Call Trace:
[    9.417798][  T186]  <TASK>
[    9.417800][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.417806][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.417811][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.417815][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.417820][  T186]  __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))
[    9.417823][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.417829][  T186]  ? 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)
[    9.417832][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.417835][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[    9.417837][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.417839][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.417844][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.417849][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.417855][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.417857][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.417860][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.417864][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.417868][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.417869][  T186]  ? 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))
[    9.417873][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.417875][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.417879][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.417883][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.417885][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.417890][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.417893][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.417895][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.417898][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.417901][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.417903][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.417906][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.417916][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.417919][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.417926][  T186]  _printk (kernel/printk/printk.c:2504)
[    9.417931][  T186]  ? snapshot_read.cold (user.c:?)
[    9.417935][  T186]  ? 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)
[    9.417938][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.417941][  T186]  ? 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)
[    9.417944][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.417948][  T186]  ? exit_notify (kernel/exit.c:780)
[    9.417950][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.417953][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.417957][  T186]  do_group_exit (kernel/exit.c:1151)
[    9.417960][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.417962][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.417964][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.417968][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.417971][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.417973][  T186] RIP: 0033:0x7f159d3551b8
[    9.417975][  T186] Code: Unable to access opcode bytes at 0x7f159d35518e.

Code starting with the faulting instruction
===========================================
[    9.417977][  T186] RSP: 002b:00007fff6a185d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.417979][  T186] RAX: ffffffffffffffda RBX: 00007f159d485f88 RCX: 00007f159d3551b8
[    9.417981][  T186] RDX: 00007f159d09ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.417982][  T186] RBP: 00007fff6a185d70 R08: 0000000000000000 R09: 0000000000008010
[    9.417983][  T186] R10: 00007fff6a185b30 R11: 0000000000000246 R12: 0000000000000001
[    9.417983][  T186] R13: 0000000000000000 R14: 00007f159d484680 R15: 00007f159d485fa0
| [   10.878141][  T250] softirqs last disabled at (21229): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.878144][  T250] Preemption disabled at:
| [   10.878144][  T250] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.878153][  T250] Tainted: [W]=WARN
[   10.878154][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.878156][  T250] Call Trace:
[   10.878157][  T250]  <TASK>
[   10.878159][  T250]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.878165][  T250]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.878167][  T250]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.878172][  T250]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.878176][  T250]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.878181][  T250]  __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))
[   10.878184][  T250]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.878189][  T250]  ? 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)
[   10.878192][  T250]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.878195][  T250]  put_chars (drivers/char/virtio_console.c:1176)
[   10.878197][  T250]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   10.878199][  T250]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.878202][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.878206][  T250]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.878210][  T250]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.878213][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.878214][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.878219][  T250]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.878220][  T250]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.878225][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.878228][  T250]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.878232][  T250]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.878236][  T250]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.878238][  T250]  ? 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))
[   10.878241][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.878243][  T250]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.878247][  T250]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.878251][  T250]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.878253][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.878258][  T250]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.878261][  T250]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.878263][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.878265][  T250]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.878268][  T250]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.878270][  T250]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.878274][  T250]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.878278][  T250]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.878283][  T250]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   10.878286][  T250]  _printk (kernel/printk/printk.c:2504)
[   10.878290][  T250]  ? snapshot_read.cold (user.c:?)
[   10.878296][  T250]  ? 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)
[   10.878299][  T250] gre_init (gre.mod.c:?) gre
[   10.878301][  T250]  do_one_initcall (init/main.c:1357)
[   10.878304][  T250]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.878309][  T250]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.878312][  T250]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.878316][  T250]  do_init_module (kernel/module/main.c:3117)
[   10.878320][  T250]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.878324][  T250]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.878328][  T250]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.878332][  T250]  load_module (kernel/module/main.c:3593)
[   10.878339][  T250]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.878344][  T250]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.878348][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.878352][  T250]  init_module_from_file (kernel/module/main.c:3790)
[   10.878355][  T250]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.878363][  T250]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.878366][  T250]  ? 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)
[   10.878369][  T250]  idempotent_init_module (kernel/module/main.c:3802)
[   10.878373][  T250]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.878379][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.878382][  T250]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.878388][  T250]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.878390][  T250]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.878393][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.878395][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.878398][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.878401][  T250] RIP: 0033:0x7f1d71b2137d
[   10.878404][  T250] 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
[   10.878406][  T250] RSP: 002b:00007ffc0c359898 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.878408][  T250] RAX: ffffffffffffffda RBX: 000056238e4e9a40 RCX: 00007f1d71b2137d
[   10.878410][  T250] RDX: 0000000000000000 RSI: 0000562389862ffd RDI: 0000000000000001
[   10.878411][  T250] RBP: 00007ffc0c359930 R08: 0000000000000000 R09: 0000000000000000
[   10.878412][  T250] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562389862ffd
[   10.878412][  T250] R13: 000056238e4e9a00 R14: 0000000000040000 R15: 0000000000000000
| [   11.342530][   T66]  #11: ffffffffa7289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
| [   11.342533][   T66]
| [   11.342533][   T66] stack backtrace:
| [   11.342539][   T66] Tainted: [W]=WARN
[   11.342540][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.342542][   T66] Workqueue: mld mld_ifc_work
[   11.342545][   T66] Call Trace:
[   11.342547][   T66]  <TASK>
[   11.342549][   T66]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.342556][   T66]  lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938)
[   11.342562][   T66]  __might_resched (kernel/sched/core.c:9196 (discriminator 9))
[   11.342566][   T66]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.342569][   T66]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.342575][   T66]  __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))
[   11.342577][   T66]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.342583][   T66]  ? 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)
[   11.342586][   T66]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.342589][   T66]  put_chars (drivers/char/virtio_console.c:1176)
[   11.342591][   T66]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.342593][   T66]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.342597][   T66]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.342602][   T66]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.342609][   T66]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.342611][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.342615][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.342619][   T66]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.342623][   T66]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.342625][   T66]  ? 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))
[   11.342628][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.342631][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.342635][   T66]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.342640][   T66]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.342641][   T66]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.342647][   T66]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.342650][   T66]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.342652][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.342655][   T66]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.342658][   T66]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.342660][   T66]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.342664][   T66]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.342668][   T66]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.342671][   T66]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.342676][   T66]  _printk (kernel/printk/printk.c:2504)
[   11.342679][   T66]  ? snapshot_read.cold (user.c:?)
[   11.342680][   T66]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   11.342687][   T66]  ? idr_get_free (??:?)
[   11.342692][   T66] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   11.342697][   T66] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre
[   11.342702][   T66]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   11.342705][   T66]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.342709][   T66]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   11.342710][   T66]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   11.342713][   T66]  ? mark_lock_irq (kernel/locking/lockdep.c:4265 (discriminator 1) kernel/locking/lockdep.c:4314 (discriminator 1))
[   11.342715][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.342717][   T66]  ? skb_network_protocol (./include/linux/skbuff.h:2534)
[   11.342720][   T66]  ? save_trace (kernel/locking/lockdep.c:558 kernel/locking/lockdep.c:594)
[   11.342726][   T66]  dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953)
[   11.342729][   T66]  ? validate_xmit_skb_list (net/core/dev.c:4142)
[   11.342733][   T66]  sch_direct_xmit (net/sched/sch_generic.c:372)
[   11.342737][   T66]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.342740][   T66]  ? dequeue_skb (./include/trace/events/qdisc.h:14 (discriminator 19))
[   11.342742][   T66]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   11.342744][   T66]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.342746][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.342751][   T66]  __dev_xmit_skb (net/core/dev.c:4262)
[   11.342756][   T66]  ? alloc_netdev_dummy (net/core/dev.c:12327)
[   11.342758][   T66]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[   11.342761][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.342764][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.342768][   T66]  __dev_queue_xmit (net/core/dev.c:4884)
[   11.342771][   T66]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.342775][   T66]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.342777][   T66]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.342779][   T66]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   11.342791][   T66]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[   11.342796][   T66]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   11.342797][   T66]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.342800][   T66]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.342803][   T66]  ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[   11.342809][   T66]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   11.342813][   T66]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   11.342816][   T66]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   11.342817][   T66]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.342819][   T66]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[   11.342823][   T66]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.342826][   T66]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.342829][   T66]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.342831][   T66]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[   11.342835][   T66]  mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/mcast.c:1870 (discriminator 4))
[   11.342840][   T66]  ? mld_dad_start_work (net/ipv6/mcast.c:1133)
[   11.342846][   T66]  ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2148)
[   11.342851][   T66]  mld_ifc_work (net/ipv6/mcast.c:2711)
[   11.342853][   T66]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   11.342855][   T66]  process_one_work (kernel/workqueue.c:3387)
[   11.342862][   T66]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   11.342865][   T66]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.342872][   T66]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   11.342877][   T66]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.342879][   T66]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.342882][   T66]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.342885][   T66]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.342887][   T66]  kthread (kernel/kthread.c:436)
[   11.342888][   T66]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.342892][   T66]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.342895][   T66]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.342899][   T66]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   11.342902][   T66]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.342906][   T66]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.342908][   T66]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.977780][   T66] softirqs last disabled at (15720): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
| [   11.977783][   T66] Preemption disabled at:
| [   11.977783][   T66] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
| [   11.977793][   T66] Tainted: [W]=WARN
[   11.977794][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.977796][   T66] Workqueue: mld mld_ifc_work
[   11.977799][   T66] Call Trace:
[   11.977801][   T66]  <TASK>
[   11.977802][   T66]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.977808][   T66]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[   11.977810][   T66]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.977815][   T66]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.977819][   T66]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.977825][   T66]  __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))
[   11.977827][   T66]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.977833][   T66]  ? 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)
[   11.977836][   T66]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.977839][   T66]  put_chars (drivers/char/virtio_console.c:1176)
[   11.977842][   T66]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.977845][   T66]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.977851][   T66]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.977857][   T66]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.977860][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.977864][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.977868][   T66]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.977872][   T66]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.977874][   T66]  ? 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))
[   11.977878][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.977880][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.977885][   T66]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.977889][   T66]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.977891][   T66]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.977896][   T66]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.977899][   T66]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.977901][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.977904][   T66]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.977908][   T66]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.977909][   T66]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.977913][   T66]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.977917][   T66]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.977921][   T66]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.977933][   T66]  _printk (kernel/printk/printk.c:2504)
[   11.977938][   T66]  ? snapshot_read.cold (user.c:?)
[   11.977940][   T66]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   11.977945][   T66]  ? idr_get_free (??:?)
[   11.977951][   T66] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   11.977956][   T66] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre
[   11.977962][   T66]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   11.977964][   T66]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.977966][   T66]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   11.977968][   T66]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.977971][   T66]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   11.977973][   T66]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.977975][   T66]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.977978][   T66]  ? skb_network_protocol (./include/linux/skbuff.h:2534)
[   11.977985][   T66]  dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953)
[   11.977988][   T66]  ? validate_xmit_skb_list (net/core/dev.c:4142)
[   11.977992][   T66]  sch_direct_xmit (net/sched/sch_generic.c:372)
[   11.977997][   T66]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.977999][   T66]  ? dequeue_skb (./include/trace/events/qdisc.h:14 (discriminator 19))
[   11.978002][   T66]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   11.978004][   T66]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.978006][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.978011][   T66]  __dev_xmit_skb (net/core/dev.c:4262)
[   11.978016][   T66]  ? alloc_netdev_dummy (net/core/dev.c:12327)
[   11.978017][   T66]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[   11.978021][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.978023][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.978027][   T66]  __dev_queue_xmit (net/core/dev.c:4884)
[   11.978030][   T66]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.978035][   T66]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.978037][   T66]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.978039][   T66]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   11.978051][   T66]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[   11.978056][   T66]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   11.978058][   T66]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.978061][   T66]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.978064][   T66]  ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[   11.978069][   T66]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   11.978073][   T66]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   11.978076][   T66]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   11.978077][   T66]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.978079][   T66]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[   11.978083][   T66]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.978086][   T66]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.978089][   T66]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.978091][   T66]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[   11.978095][   T66]  mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/mcast.c:1870 (discriminator 4))
[   11.978099][   T66]  ? mld_dad_start_work (net/ipv6/mcast.c:1133)
[   11.978106][   T66]  ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2148)
[   11.978111][   T66]  mld_ifc_work (net/ipv6/mcast.c:2711)
[   11.978113][   T66]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   11.978115][   T66]  process_one_work (kernel/workqueue.c:3387)
[   11.978122][   T66]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   11.978125][   T66]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.978134][   T66]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   11.978138][   T66]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.978140][   T66]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.978143][   T66]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.978146][   T66]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.978148][   T66]  kthread (kernel/kthread.c:436)
[   11.978150][   T66]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.978153][   T66]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.978156][   T66]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.978160][   T66]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   11.978163][   T66]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.978167][   T66]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.978170][   T66]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.120975][   T12] softirqs last disabled at (8598): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
| [   13.120978][   T12] Preemption disabled at:
| [   13.120979][   T12] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
| [   13.120988][   T12] Tainted: [W]=WARN
[   13.120989][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.120990][   T12] Workqueue: ipv6_addrconf addrconf_dad_work
[   13.120994][   T12] Call Trace:
[   13.120996][   T12]  <TASK>
[   13.120998][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.121004][   T12]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[   13.121006][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.121011][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.121015][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.121021][   T12]  __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))
[   13.121023][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.121029][   T12]  ? 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)
[   13.121032][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.121035][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   13.121038][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.121045][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.121052][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.121055][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.121059][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.121063][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.121065][   T12]  ? 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))
[   13.121068][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.121073][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.121077][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.121081][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.121083][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.121089][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.121092][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.121094][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.121096][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.121100][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.121102][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.121105][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.121110][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.121113][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.121117][   T12]  _printk (kernel/printk/printk.c:2504)
[   13.121121][   T12]  ? snapshot_read.cold (user.c:?)
[   13.121123][   T12]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   13.121129][   T12]  ? idr_get_free (??:?)
[   13.121134][   T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   13.121139][   T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre
[   13.121144][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.121146][   T12]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   13.121150][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.121152][   T12]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   13.121154][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.121156][   T12]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   13.121159][   T12]  ? skb_network_protocol (./include/linux/skbuff.h:2534)
[   13.121162][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.121167][   T12]  dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953)
[   13.121169][   T12]  ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5))
[   13.121172][   T12]  ? validate_xmit_skb_list (net/core/dev.c:4142)
[   13.121176][   T12]  sch_direct_xmit (net/sched/sch_generic.c:372)
[   13.121180][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.121183][   T12]  ? dequeue_skb (./include/trace/events/qdisc.h:14 (discriminator 19))
[   13.121185][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   13.121187][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.121192][   T12]  __dev_xmit_skb (net/core/dev.c:4262)
[   13.121197][   T12]  ? alloc_netdev_dummy (net/core/dev.c:12327)
[   13.121199][   T12]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[   13.121202][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.121204][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.121209][   T12]  __dev_queue_xmit (net/core/dev.c:4884)
[   13.121216][   T12]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   13.121218][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.121223][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.121230][   T12]  ? neigh_hh_output (./include/net/neighbour.h:525)
[   13.121235][   T12]  ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138)
[   13.121240][   T12]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   13.121242][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.121245][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.121248][   T12]  ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[   13.121252][   T12]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   13.121256][   T12]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   13.121259][   T12]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   13.121261][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.121263][   T12]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[   13.121266][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.121269][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   13.121272][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   13.121274][   T12]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[   13.121278][   T12]  mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/mcast.c:1870 (discriminator 4))
[   13.121283][   T12]  ? mld_dad_start_work (net/ipv6/mcast.c:1133)
[   13.121292][   T12]  ipv6_mc_dad_complete (net/ipv6/mcast.c:2296)
[   13.121295][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   13.121297][   T12]  addrconf_dad_completed (net/ipv6/addrconf.c:4376)
[   13.121300][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.121303][   T12]  ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11))
[   13.121305][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.121307][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.121309][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.121313][   T12]  ? addrconf_dad_work (net/ipv6/addrconf.c:4304)
[   13.121315][   T12]  addrconf_dad_work (net/ipv6/addrconf.c:4304)
[   13.121320][   T12]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[   13.121323][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.121325][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.121327][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.121329][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.121333][   T12]  process_one_work (kernel/workqueue.c:3387)
[   13.121340][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   13.121343][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.121351][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   13.121358][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   13.121361][   T12]  kthread (kernel/kthread.c:436)
[   13.121363][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.121365][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   13.121368][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.121372][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   13.121376][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.121379][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   13.121382][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.793763][    C1]
| [   17.793764][    C1]
| [   17.793764][    C1] stack backtrace:
| [   17.793769][    C1] Tainted: [W]=WARN
[   17.793770][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.793772][    C1] Call Trace:
[   17.793773][    C1]  <IRQ>
[   17.793774][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.793778][    C1]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   17.793781][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   17.793784][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   17.793785][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   17.793787][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   17.793789][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.793791][    C1]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   17.793793][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.793796][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.793798][    C1]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   17.793800][    C1]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   17.793801][    C1]  console_emit_next_record (kernel/printk/printk.c:3177)
[   17.793803][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.793805][    C1]  ? 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))
[   17.793807][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.793809][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.793811][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.793813][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.793815][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.793817][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.793819][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.793821][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.793822][    C1]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.793824][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.793826][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.793828][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.793830][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.793832][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.793835][    C1]  _printk (kernel/printk/printk.c:2504)
[   17.793836][    C1]  ? snapshot_read.cold (user.c:?)
[   17.793838][    C1]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   17.793841][    C1]  ? idr_get_free (??:?)
[   17.793844][    C1] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   17.793846][    C1] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre
[   17.793848][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.793850][    C1]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   17.793852][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.793853][    C1]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   17.793855][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.793856][    C1]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   17.793858][    C1]  ? skb_network_protocol (./include/linux/skbuff.h:2534)
[   17.793860][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.793862][    C1]  dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953)
[   17.793864][    C1]  ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5))
[   17.793865][    C1]  ? validate_xmit_skb_list (net/core/dev.c:4142)
[   17.793867][    C1]  sch_direct_xmit (net/sched/sch_generic.c:372)
[   17.793869][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.793870][    C1]  ? dequeue_skb (./include/trace/events/qdisc.h:14 (discriminator 19))
[   17.793872][    C1]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   17.793874][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.793876][    C1]  __dev_xmit_skb (net/core/dev.c:4262)
[   17.793877][    C1]  ? tc_run (net/core/dev.c:4444 (discriminator 6))
[   17.793879][    C1]  ? alloc_netdev_dummy (net/core/dev.c:12327)
[   17.793881][    C1]  ? netdev_offload_xstats_push_delta (net/core/dev.c:9326 net/core/dev.c:9461)
[   17.793882][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.793884][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.793886][    C1]  __dev_queue_xmit (net/core/dev.c:4884)
[   17.793889][    C1]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   17.793890][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.793892][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.793895][    C1]  ? neigh_hh_output (./include/net/neighbour.h:525)
[   17.793897][    C1]  ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138)
[   17.793899][    C1]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   17.793900][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.793901][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.793903][    C1]  ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[   17.793905][    C1]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   17.793907][    C1]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   17.793909][    C1]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   17.793910][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.793912][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.793913][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.793915][    C1]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   17.793917][    C1]  ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4))
[   17.793919][    C1]  ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[   17.793921][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   17.793924][    C1]  ? __ndisc_fill_addr_option (net/ipv6/ndisc.c:159)
[   17.793926][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   17.793928][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   17.793930][    C1]  addrconf_rs_timer (net/ipv6/addrconf.c:4073)
[   17.793932][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   17.793934][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.793935][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   17.793937][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   17.793939][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   17.793941][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   17.793944][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.793946][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.793947][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.793950][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   17.793951][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   17.793961][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   17.793963][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.793965][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.793968][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   17.793970][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   17.793971][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.793974][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.793976][    C1]  handle_softirqs (kernel/softirq.c:645)
[   17.793977][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.793979][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   17.793981][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   17.793982][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   17.793984][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   17.793986][    C1]  </IRQ>
[   17.793986][    C1]  <TASK>
[   17.793987][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.793988][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   17.793990][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   17.793993][    C1] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   17.793994][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   17.793997][    C1] RAX: 0000000000092853 RBX: ff11000001bea380 RCX: ffffffffa40f0307
[   17.793998][    C1] RDX: ff11000001bea380 RSI: ffffffffa6e38b01 RDI: ffffffffa688d8e0
[   17.793999][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   17.794000][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   17.794000][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   17.794002][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   17.794004][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   17.794006][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   17.794008][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   17.794009][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   17.794011][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   17.794013][    C1]  ? default_idle_call (kernel/sched/idle.c:129)
[   17.794014][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.794016][    C1]  do_idle (kernel/sched/idle.c:355)
[   17.794018][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   17.794019][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   17.794021][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   17.794023][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   17.794041][    C1] softirqs last disabled at (600149): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.794043][    C1] Preemption disabled at:
| [   17.794043][    C1] 0x0
| [   17.794048][    C1] Tainted: [W]=WARN
[   17.794048][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.794049][    C1] Call Trace:
[   17.794050][    C1]  <IRQ>
[   17.794050][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.794053][    C1]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.794056][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.794059][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.794061][    C1]  __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))
[   17.794063][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.794064][    C1]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.794066][    C1]  ? 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)
[   17.794068][    C1]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.794070][    C1]  put_chars (drivers/char/virtio_console.c:1176)
[   17.794071][    C1]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.794073][    C1]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   17.794075][    C1]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.794076][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5208)
[   17.794079][    C1]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.794080][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.794082][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.794084][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.794086][    C1]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.794088][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.794089][    C1]  ? 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))
[   17.794091][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.794093][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.794095][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.794097][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.794099][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.794101][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.794103][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.794105][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.794107][    C1]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.794108][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.794110][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.794112][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.794114][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.794116][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.794118][    C1]  _printk (kernel/printk/printk.c:2504)
[   17.794120][    C1]  ? snapshot_read.cold (user.c:?)
[   17.794122][    C1]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   17.794124][    C1]  ? idr_get_free (??:?)
[   17.794127][    C1] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   17.794129][    C1] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre
[   17.794132][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.794133][    C1]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   17.794135][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.794137][    C1]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   17.794138][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.794140][    C1]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   17.794142][    C1]  ? skb_network_protocol (./include/linux/skbuff.h:2534)
[   17.794143][    C1]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.794146][    C1]  dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953)
[   17.794147][    C1]  ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5))
[   17.794149][    C1]  ? validate_xmit_skb_list (net/core/dev.c:4142)
[   17.794151][    C1]  sch_direct_xmit (net/sched/sch_generic.c:372)
[   17.794153][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.794154][    C1]  ? dequeue_skb (./include/trace/events/qdisc.h:14 (discriminator 19))
[   17.794156][    C1]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   17.794157][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.794159][    C1]  __dev_xmit_skb (net/core/dev.c:4262)
[   17.794161][    C1]  ? tc_run (net/core/dev.c:4444 (discriminator 6))
[   17.794163][    C1]  ? alloc_netdev_dummy (net/core/dev.c:12327)
[   17.794164][    C1]  ? netdev_offload_xstats_push_delta (net/core/dev.c:9326 net/core/dev.c:9461)
[   17.794166][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.794167][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.794169][    C1]  __dev_queue_xmit (net/core/dev.c:4884)
[   17.794172][    C1]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   17.794174][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.794175][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.794178][    C1]  ? neigh_hh_output (./include/net/neighbour.h:525)
[   17.794180][    C1]  ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138)
[   17.794182][    C1]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   17.794183][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.794185][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.794187][    C1]  ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[   17.794188][    C1]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   17.794190][    C1]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   17.794192][    C1]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   17.794193][    C1]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.794195][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.794196][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.794198][    C1]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   17.794200][    C1]  ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4))
[   17.794202][    C1]  ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[   17.794204][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   17.794207][    C1]  ? __ndisc_fill_addr_option (net/ipv6/ndisc.c:159)
[   17.794209][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   17.794211][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   17.794212][    C1]  addrconf_rs_timer (net/ipv6/addrconf.c:4073)
[   17.794215][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   17.794217][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.794218][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   17.794224][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   17.794226][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   17.794228][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   17.794229][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.794231][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.794233][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.794235][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   17.794237][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   17.794239][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   17.794241][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.794243][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.794246][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   17.794248][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   17.794249][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.794251][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.794252][    C1]  handle_softirqs (kernel/softirq.c:645)
[   17.794254][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.794256][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   17.794258][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   17.794259][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   17.794261][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   17.794262][    C1]  </IRQ>
[   17.794263][    C1]  <TASK>
[   17.794263][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.794265][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   17.794266][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   17.794268][    C1] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   17.794269][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   17.794271][    C1] RAX: 0000000000092853 RBX: ff11000001bea380 RCX: ffffffffa40f0307
[   17.794271][    C1] RDX: ff11000001bea380 RSI: ffffffffa6e38b01 RDI: ffffffffa688d8e0
[   17.794272][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   17.794273][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   17.794274][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   17.794275][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   17.794277][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   17.794279][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   17.794281][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   17.794282][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   17.794284][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   17.794285][    C1]  ? default_idle_call (kernel/sched/idle.c:129)
[   17.794287][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.794289][    C1]  do_idle (kernel/sched/idle.c:355)
[   17.794290][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   17.794292][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   17.794293][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   17.794295][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.008453][    C1] softirqs last disabled at (600149): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.008455][    C1] Preemption disabled at:
| [   27.008456][    C1] 0x0
| [   27.008465][    C1] Tainted: [W]=WARN
[   27.008466][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.008468][    C1] Call Trace:
[   27.008469][    C1]  <IRQ>
[   27.008471][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.008478][    C1]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.008483][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.008487][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008492][    C1]  __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))
[   27.008496][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.008500][    C1]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.008505][    C1]  ? 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)
[   27.008507][    C1]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.008511][    C1]  put_chars (drivers/char/virtio_console.c:1176)
[   27.008513][    C1]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   27.008516][    C1]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.008518][    C1]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.008522][    C1]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.008526][    C1]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.008528][    C1]  ? 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)
[   27.008530][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.008532][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008535][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008537][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.008540][    C1]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.008543][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.008546][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008548][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008550][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008553][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.008555][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.008557][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.008559][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.008561][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.008563][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.008565][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.008566][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008568][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.008569][    C1]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.008571][    C1]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   27.008573][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.008574][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.008576][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.008580][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.008582][    C1]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   27.008583][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008585][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.008587][    C1]  _printk (kernel/printk/printk.c:2504)
[   27.008590][    C1]  ? snapshot_read.cold (user.c:?)
[   27.008592][    C1]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   27.008596][    C1]  ? __ipv6_chk_addr_and_flags (./include/linux/rcupdate.h:850 net/ipv6/addrconf.c:1996)
[   27.008599][    C1]  ? idr_get_free (??:?)
[   27.008601][    C1]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   27.008604][    C1] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   27.008609][    C1] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre
[   27.008613][    C1]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   27.008614][    C1]  ? sock_def_readable (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/sock.c:3663 (discriminator 2))
[   27.008618][    C1]  ? packet_rcv (net/packet/af_packet.c:2231)
[   27.008621][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008623][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.008624][    C1]  ? dev_queue_xmit_nit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/dev.c:2636 (discriminator 2))
[   27.008627][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.008628][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008630][    C1]  ? get_stack_info_noinstr (arch/x86/kernel/dumpstack_64.c:173)
[   27.008633][    C1]  dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953)
[   27.008636][    C1]  ? validate_xmit_skb_list (net/core/dev.c:4142)
[   27.008638][    C1]  sch_direct_xmit (net/sched/sch_generic.c:372)
[   27.008641][    C1]  ? get_stack_info_noinstr (arch/x86/kernel/dumpstack_64.c:173)
[   27.008643][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008646][    C1]  ? dequeue_skb (./include/trace/events/qdisc.h:14 (discriminator 19))
[   27.008648][    C1]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   27.008650][    C1]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   27.008657][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.008661][    C1]  __dev_xmit_skb (net/core/dev.c:4262)
[   27.008666][    C1]  ? tc_run (net/core/dev.c:4444 (discriminator 4))
[   27.008671][    C1]  ? alloc_netdev_dummy (net/core/dev.c:12327)
[   27.008673][    C1]  ? netdev_offload_xstats_push_delta (net/core/dev.c:9326 net/core/dev.c:9461)
[   27.008676][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008679][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.008682][    C1]  __dev_queue_xmit (net/core/dev.c:4884)
[   27.008686][    C1]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   27.008692][    C1]  ? addrconf_rs_timer (net/ipv6/addrconf.c:4073)
[   27.008696][    C1]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   27.008701][    C1]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   27.008705][    C1]  ? neigh_hh_output (./include/net/neighbour.h:525)
[   27.008709][    C1]  ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138)
[   27.008713][    C1]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   27.008716][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008719][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.008721][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008724][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.008727][    C1]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   27.008729][    C1]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   27.008732][    C1]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   27.008734][    C1]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[   27.008738][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008741][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.008743][    C1]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   27.008745][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008747][    C1]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   27.008749][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.008751][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008754][    C1]  ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4))
[   27.008758][    C1]  ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[   27.008762][    C1]  ? __ndisc_fill_addr_option (net/ipv6/ndisc.c:159)
[   27.008764][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   27.008767][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   27.008770][    C1]  addrconf_rs_timer (net/ipv6/addrconf.c:4073)
[   27.008772][    C1]  ? 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)
[   27.008775][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   27.008777][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008780][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.008782][    C1]  ? 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)
[   27.008784][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   27.008786][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   27.008790][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.008792][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.008797][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008800][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.008802][    C1]  ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4))
[   27.008806][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.008809][    C1]  ? 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)
[   27.008812][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.008815][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.008818][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.008821][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.008822][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008825][    C1]  handle_softirqs (kernel/softirq.c:645)
[   27.008833][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.008836][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008842][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.008845][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.008848][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   27.008851][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.008854][    C1]  </IRQ>
[   27.008855][    C1]  <TASK>
[   27.008856][    C1]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   27.008860][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.008867][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.008871][    C1] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.008873][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000246
[   27.008878][    C1] RAX: 0000000000000001 RBX: ff11000001bea380 RCX: 0000000000000001
[   27.008880][    C1] RDX: 0000000000000001 RSI: ffffffffa688d860 RDI: ffffffffa40f0307
[   27.008882][    C1] RBP: 0000000000000000 R08: ffffffffa6580421 R09: 1fe2200005d563a2
[   27.008883][    C1] R10: 0000000000000001 R11: 0000000000000000 R12: 1ff4000000028fc3
[   27.008885][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.008887][    C1]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[   27.008891][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.008895][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.008898][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   27.008901][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.008903][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   27.008906][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.008909][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.008911][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.008914][    C1]  do_idle (kernel/sched/idle.c:355)
[   27.008916][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.008918][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.008921][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.008924][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   44.531966][  T532] softirqs last disabled at (0): 0x0
| [   44.531967][  T532] Preemption disabled at:
| [   44.531968][  T532] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.531979][  T532] Tainted: [W]=WARN
[   44.531980][  T532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.531982][  T532] Call Trace:
[   44.531983][  T532]  <TASK>
[   44.531984][  T532]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.531990][  T532]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.531992][  T532]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.531996][  T532]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.531999][  T532]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   44.532002][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532005][  T532]  __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))
[   44.532008][  T532]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   44.532011][  T532]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.532015][  T532]  ? 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)
[   44.532016][  T532]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.532018][  T532]  put_chars (drivers/char/virtio_console.c:1176)
[   44.532020][  T532]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.532022][  T532]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   44.532024][  T532]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.532027][  T532]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.532029][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532030][  T532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.532033][  T532]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.532035][  T532]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.532037][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532038][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532040][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532042][  T532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.532043][  T532]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   44.532045][  T532]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.532047][  T532]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.532050][  T532]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.532051][  T532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.532053][  T532]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.532054][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532056][  T532]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.532057][  T532]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.532058][  T532]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   44.532060][  T532]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.532062][  T532]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.532064][  T532]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.532066][  T532]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.532068][  T532]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.532071][  T532]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.532074][  T532]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.532075][  T532]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.532078][  T532]  ? ___sys_sendmsg (net/socket.c:2767)
[   44.532079][  T532]  ? __sys_sendmsg (net/socket.c:2799)
[   44.532081][  T532]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.532084][  T532]  _printk (kernel/printk/printk.c:2504)
[   44.532087][  T532]  ? snapshot_read.cold (user.c:?)
[   44.532089][  T532]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.532098][  T532]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.532100][  T532]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.532101][  T532]  ? netdev_notice (net/core/dev.c:13194)
[   44.532103][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532105][  T532]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   44.532106][  T532]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   44.532109][  T532]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   44.532110][  T532]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   44.532113][  T532]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   44.532116][  T532]  dev_set_allmulti (net/core/dev_api.c:315)
[   44.532119][  T532] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   44.532130][  T532]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   44.532134][  T532]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   44.532137][  T532] br_del_if (net/bridge/br_if.c:732) bridge
[   44.532143][  T532]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   44.532146][  T532]  do_set_master (net/core/rtnetlink.c:3055)
[   44.532148][  T532]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   44.532151][  T532]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.532153][  T532]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.532154][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532156][  T532]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.532160][  T532]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.532163][  T532]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.532164][  T532]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.532165][  T532]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.532167][  T532]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   44.532168][  T532]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   44.532170][  T532]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.532171][  T532]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.532172][  T532]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.532173][  T532]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.532174][  T532]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.532176][  T532]  ? ___sys_sendmsg (net/socket.c:2767)
[   44.532177][  T532]  ? __sys_sendmsg (net/socket.c:2799)
[   44.532178][  T532]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.532179][  T532]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.532182][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532184][  T532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.532185][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532186][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532188][  T532]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.532190][  T532]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   44.532192][  T532]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.532194][  T532]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.532195][  T532]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.532197][  T532]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.532199][  T532]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.532201][  T532]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.532203][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532204][  T532]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.532205][  T532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.532207][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532209][  T532]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   44.532210][  T532]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   44.532212][  T532]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   44.532213][  T532]  ? __kernel_text_address (kernel/extable.c:79)
[   44.532215][  T532]  ? write_profile (profile.c:?)
[   44.532216][  T532]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.532218][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532220][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532224][  T532]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   44.532227][  T532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.532229][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532231][  T532]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.532232][  T532]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.532234][  T532]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.532235][  T532]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.532236][  T532]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.532239][  T532]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.532240][  T532]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.532241][  T532]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.532243][  T532]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.532244][  T532]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   44.532246][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532248][  T532]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.532250][  T532]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.532251][  T532]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.532253][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532254][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532256][  T532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.532258][  T532]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.532260][  T532]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.532261][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532263][  T532]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.532265][  T532]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.532266][  T532]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.532268][  T532]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.532269][  T532]  ? move_addr_to_kernel (net/socket.c:258)
[   44.532271][  T532]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.532273][  T532]  ___sys_sendmsg (net/socket.c:2767)
[   44.532275][  T532]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.532280][  T532]  __sys_sendmsg (net/socket.c:2799)
[   44.532281][  T532]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.532284][  T532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.532286][  T532]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.532287][  T532]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.532289][  T532]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.532291][  T532] RIP: 0033:0x7f70e2ce654e
[   44.532293][  T532] 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 <c9> 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
[   44.532294][  T532] RSP: 002b:00007fff580bc490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.532298][  T532] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f70e2ce654e
[   44.532299][  T532] RDX: 0000000000000000 RSI: 00007fff580bc540 RDI: 0000000000000005
[   44.532300][  T532] RBP: 00007fff580bc4a0 R08: 0000000000000000 R09: 0000000000000000
[   44.532301][  T532] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912c71


Finger prints:
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
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__dev_queue_xmit:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record