======================================
| [   10.700567][  T182] softirqs last disabled at (27933): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.700569][  T182] Preemption disabled at:
| [   10.700570][  T182] 0x0
| [   10.700580][  T182] Tainted: [W]=WARN
[   10.700581][  T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.700583][  T182] Call Trace:
[   10.700585][  T182]  <TASK>
[   10.700586][  T182]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.700592][  T182]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.700596][  T182]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.700600][  T182]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.700605][  T182]  __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))
[   10.700607][  T182]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.700614][  T182]  ? 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)
[   10.700617][  T182]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.700620][  T182]  put_chars (drivers/char/virtio_console.c:1176)
[   10.700623][  T182]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.700632][  T182]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.700643][  T182]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.700646][  T182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.700651][  T182]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.700654][  T182]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.700656][  T182]  ? 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))
[   10.700658][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.700662][  T182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.700666][  T182]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.700670][  T182]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.700671][  T182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.700677][  T182]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.700679][  T182]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.700680][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.700682][  T182]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.700686][  T182]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.700688][  T182]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.700691][  T182]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.700694][  T182]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.700697][  T182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.700701][  T182]  _printk (kernel/printk/printk.c:2504)
[   10.700705][  T182]  ? snapshot_read.cold (user.c:?)
[   10.700708][  T182]  ? 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)
[   10.700710][  T182]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.700715][  T182]  ? 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)
[   10.700720][  T182]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.700724][  T182]  ? exit_notify (kernel/exit.c:780)
[   10.700725][  T182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.700729][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.700732][  T182]  do_group_exit (kernel/exit.c:1151)
[   10.700735][  T182]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.700738][  T182]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.700740][  T182]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.700744][  T182]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.700747][  T182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.700750][  T182] RIP: 0033:0x7f4ed9c7b1b8
[   10.700752][  T182] Code: Unable to access opcode bytes at 0x7f4ed9c7b18e.

Code starting with the faulting instruction
===========================================
[   10.700753][  T182] RSP: 002b:00007ffc8b13ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.700756][  T182] RAX: ffffffffffffffda RBX: 00007f4ed9dabf88 RCX: 00007f4ed9c7b1b8
[   10.700757][  T182] RDX: 00007f4ed99c5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.700758][  T182] RBP: 00007ffc8b13aec0 R08: 0000000000000000 R09: 0000000000000050
[   10.700759][  T182] R10: 00007ffc8b13ac80 R11: 0000000000000246 R12: 0000000000000001
[   10.700760][  T182] R13: 0000000000000000 R14: 00007f4ed9daa680 R15: 00007f4ed9dabfa0
| [   21.692175][  T545] softirqs last disabled at (36253): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.692179][  T545] Preemption disabled at:
| [   21.692180][  T545] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.692192][  T545] Tainted: [W]=WARN
[   21.692193][  T545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.692196][  T545] Call Trace:
[   21.692198][  T545]  <TASK>
[   21.692200][  T545]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.692206][  T545]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.692209][  T545]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.692215][  T545]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.692219][  T545]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.692227][  T545]  __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))
[   21.692231][  T545]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.692241][  T545]  ? 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)
[   21.692245][  T545]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.692251][  T545]  put_chars (drivers/char/virtio_console.c:1176)
[   21.692255][  T545]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.692261][  T545]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.692270][  T545]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.692282][  T545]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.692286][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.692291][  T545]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.692298][  T545]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.692305][  T545]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.692307][  T545]  ? 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))
[   21.692312][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.692315][  T545]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.692323][  T545]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.692330][  T545]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.692332][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.692342][  T545]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.692346][  T545]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.692348][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.692351][  T545]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.692358][  T545]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.692361][  T545]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.692366][  T545]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.692373][  T545]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.692382][  T545]  ? ipip_fini (net/ipv4/ipip.c:441 (discriminator 1)) ipip
[   21.692388][  T545]  _printk (kernel/printk/printk.c:2504)
[   21.692393][  T545]  ? snapshot_read.cold (user.c:?)
[   21.692405][  T545]  ? 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)
[   21.692410][  T545] ipip_init (net/ipv4/ipip.c:438) ipip
[   21.692415][  T545]  do_one_initcall (init/main.c:1357)
[   21.692420][  T545]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   21.692429][  T545]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   21.692432][  T545]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   21.692440][  T545]  do_init_module (kernel/module/main.c:3117)
[   21.692446][  T545]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.692453][  T545]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   21.692458][  T545]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   21.692465][  T545]  load_module (kernel/module/main.c:3593)
[   21.692478][  T545]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   21.692484][  T545]  ? __ia32_sys_fsconfig (??:?)
[   21.692488][  T545]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   21.692494][  T545]  ? backing_file_read_iter (fs/backing-file.c:211)
[   21.692499][  T545]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.692506][  T545]  init_module_from_file (kernel/module/main.c:3790)
[   21.692511][  T545]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   21.692526][  T545]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.692532][  T545]  ? 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)
[   21.692538][  T545]  idempotent_init_module (kernel/module/main.c:3802)
[   21.692543][  T545]  ? init_module_from_file (kernel/module/main.c:3791)
[   21.692554][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.692558][  T545]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   21.692566][  T545]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   21.692569][  T545]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.692575][  T545]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.692578][  T545]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.692583][  T545]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.692586][  T545] RIP: 0033:0x7fe4d158137d
[   21.692590][  T545] 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
[   21.692593][  T545] RSP: 002b:00007ffc308d8df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   21.692597][  T545] RAX: ffffffffffffffda RBX: 000055bc36e2e810 RCX: 00007fe4d158137d
[   21.692599][  T545] RDX: 0000000000000000 RSI: 000055bc160fbffd RDI: 0000000000000002
[   21.692600][  T545] RBP: 00007ffc308d8e90 R08: 0000000000000000 R09: 0000000000000000
[   21.692602][  T545] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bc160fbffd
[   21.692603][  T545] R13: 000055bc36e2e9b0 R14: 0000000000040000 R15: 0000000000000000
| [   24.918438][  T649] softirqs last disabled at (24567): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   24.918441][  T649] Preemption disabled at:
| [   24.918442][  T649] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.918450][  T649] Tainted: [W]=WARN
[   24.918451][  T649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.918453][  T649] Call Trace:
[   24.918455][  T649]  <TASK>
[   24.918456][  T649]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.918461][  T649]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.918463][  T649]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.918467][  T649]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.918471][  T649]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.918476][  T649]  __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))
[   24.918479][  T649]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.918485][  T649]  ? 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)
[   24.918488][  T649]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.918491][  T649]  put_chars (drivers/char/virtio_console.c:1176)
[   24.918494][  T649]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.918497][  T649]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.918503][  T649]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.918509][  T649]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.918512][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.918516][  T649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.918520][  T649]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.918523][  T649]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.918525][  T649]  ? 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))
[   24.918527][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.918529][  T649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.918533][  T649]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.918537][  T649]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.918538][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.918544][  T649]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.918546][  T649]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.918547][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.918549][  T649]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.918553][  T649]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.918555][  T649]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.918558][  T649]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.918562][  T649]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.918567][  T649]  ? ipip_fini (net/ipv4/ipip.c:441 (discriminator 1)) ipip
[   24.918570][  T649]  _printk (kernel/printk/printk.c:2504)
[   24.918574][  T649]  ? snapshot_read.cold (user.c:?)
[   24.918580][  T649]  ? 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)
[   24.918584][  T649] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   24.918588][  T649]  do_one_initcall (init/main.c:1357)
[   24.918591][  T649]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   24.918596][  T649]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   24.918598][  T649]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   24.918603][  T649]  do_init_module (kernel/module/main.c:3117)
[   24.918607][  T649]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.918611][  T649]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   24.918614][  T649]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   24.918618][  T649]  load_module (kernel/module/main.c:3593)
[   24.918625][  T649]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   24.918630][  T649]  ? __ia32_sys_fsconfig (??:?)
[   24.918635][  T649]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.918639][  T649]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.918643][  T649]  init_module_from_file (kernel/module/main.c:3790)
[   24.918646][  T649]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   24.918654][  T649]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.918657][  T649]  ? 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)
[   24.918661][  T649]  idempotent_init_module (kernel/module/main.c:3802)
[   24.918664][  T649]  ? init_module_from_file (kernel/module/main.c:3791)
[   24.918670][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.918671][  T649]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   24.918677][  T649]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   24.918678][  T649]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.918682][  T649]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.918684][  T649]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.918687][  T649]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.918690][  T649] RIP: 0033:0x7fa62ddc837d
[   24.918693][  T649] 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
[   24.918694][  T649] RSP: 002b:00007fff43fec9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   24.918697][  T649] RAX: ffffffffffffffda RBX: 0000557921370810 RCX: 00007fa62ddc837d
[   24.918698][  T649] RDX: 0000000000000000 RSI: 00005579058fdffd RDI: 0000000000000000
[   24.918699][  T649] RBP: 00007fff43feca40 R08: 0000000000000000 R09: 0000000000000000
[   24.918700][  T649] R10: 0000000000000000 R11: 0000000000000246 R12: 00005579058fdffd
[   24.918701][  T649] R13: 0000557921370960 R14: 0000000000040000 R15: 0000000000000000
| [   28.664054][  T761] softirqs last disabled at (85067): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.664058][  T761] Preemption disabled at:
| [   28.664058][  T761] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.664070][  T761] Tainted: [W]=WARN
[   28.664072][  T761] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.664074][  T761] Call Trace:
[   28.664076][  T761]  <TASK>
[   28.664079][  T761]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.664085][  T761]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.664088][  T761]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.664094][  T761]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.664099][  T761]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.664106][  T761]  __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))
[   28.664110][  T761]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.664119][  T761]  ? 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)
[   28.664124][  T761]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.664129][  T761]  put_chars (drivers/char/virtio_console.c:1176)
[   28.664134][  T761]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.664139][  T761]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.664149][  T761]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.664160][  T761]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.664164][  T761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.664169][  T761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.664176][  T761]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.664182][  T761]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.664184][  T761]  ? 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))
[   28.664189][  T761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.664193][  T761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.664200][  T761]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.664206][  T761]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.664208][  T761]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.664218][  T761]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.664222][  T761]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.664224][  T761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.664227][  T761]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.664234][  T761]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.664237][  T761]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.664242][  T761]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.664248][  T761]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.664250][  T761]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.664256][  T761]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.664262][  T761]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   28.664267][  T761]  _printk (kernel/printk/printk.c:2504)
[   28.664272][  T761]  ? snapshot_read.cold (user.c:?)
[   28.664274][  T761]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   28.664282][  T761]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   28.664290][  T761]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   28.664295][  T761] br_init (bridge.mod.c:?) bridge
[   28.664316][  T761]  do_one_initcall (init/main.c:1357)
[   28.664322][  T761]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   28.664330][  T761]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   28.664334][  T761]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   28.664342][  T761]  do_init_module (kernel/module/main.c:3117)
[   28.664348][  T761]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.664353][  T761]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   28.664358][  T761]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   28.664365][  T761]  load_module (kernel/module/main.c:3593)
[   28.664378][  T761]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   28.664387][  T761]  ? backing_file_read_iter (fs/backing-file.c:211)
[   28.664392][  T761]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.664398][  T761]  init_module_from_file (kernel/module/main.c:3790)
[   28.664403][  T761]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   28.664418][  T761]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.664424][  T761]  ? 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)
[   28.664430][  T761]  idempotent_init_module (kernel/module/main.c:3802)
[   28.664434][  T761]  ? init_module_from_file (kernel/module/main.c:3791)
[   28.664444][  T761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.664448][  T761]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   28.664455][  T761]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   28.664458][  T761]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.664464][  T761]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.664467][  T761]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.664472][  T761]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.664475][  T761] RIP: 0033:0x7f1cf8d5637d
[   28.664480][  T761] 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
[   28.664482][  T761] RSP: 002b:00007ffea0fc4438 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   28.664486][  T761] RAX: ffffffffffffffda RBX: 0000564c4fcef810 RCX: 00007f1cf8d5637d
[   28.664488][  T761] RDX: 0000000000000000 RSI: 0000564c21028ffd RDI: 0000000000000002
[   28.664490][  T761] RBP: 00007ffea0fc44d0 R08: 0000000000000000 R09: 0000000000000000
[   28.664491][  T761] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564c21028ffd
[   28.664492][  T761] R13: 0000564c4fcef9c0 R14: 0000000000040000 R15: 0000000000000000
| [   32.590659][  T879] softirqs last disabled at (17139): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   32.590662][  T879] Preemption disabled at:
| [   32.590662][  T879] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.590671][  T879] Tainted: [W]=WARN
[   32.590672][  T879] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.590674][  T879] Call Trace:
[   32.590676][  T879]  <TASK>
[   32.590677][  T879]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.590682][  T879]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.590684][  T879]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.590688][  T879]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.590692][  T879]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.590697][  T879]  __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))
[   32.590699][  T879]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.590705][  T879]  ? 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)
[   32.590708][  T879]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.590711][  T879]  put_chars (drivers/char/virtio_console.c:1176)
[   32.590714][  T879]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   32.590716][  T879]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.590722][  T879]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.590725][  T879]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.590728][  T879]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.590732][  T879]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.590736][  T879]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.590738][  T879]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.590740][  T879]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.590744][  T879]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.590746][  T879]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   32.590749][  T879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.590751][  T879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.590755][  T879]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.590758][  T879]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.590760][  T879]  ? 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))
[   32.590762][  T879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.590764][  T879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.590768][  T879]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.590772][  T879]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.590773][  T879]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.590779][  T879]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.590781][  T879]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.590782][  T879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.590784][  T879]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.590788][  T879]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.590790][  T879]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.590792][  T879]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.590796][  T879]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.590797][  T879]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.590799][  T879]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.590801][  T879]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.590803][  T879]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.590804][  T879]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.590807][  T879]  ? ___sys_sendmsg (net/socket.c:2767)
[   32.590809][  T879]  ? __sys_sendmsg (net/socket.c:2799)
[   32.590813][  T879]  _printk (kernel/printk/printk.c:2504)
[   32.590817][  T879]  ? snapshot_read.cold (user.c:?)
[   32.590821][  T879]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.590824][  T879]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.590828][  T879]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.590831][  T879]  ? netdev_notice (net/core/dev.c:13194)
[   32.590835][  T879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.590836][  T879]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   32.590839][  T879]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   32.590841][  T879]  ? 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)
[   32.590844][  T879]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   32.590849][  T879]  dev_set_allmulti (net/core/dev_api.c:315)
[   32.590852][  T879] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   32.590869][  T879] br_del_if (net/bridge/br_if.c:732) bridge
[   32.590876][  T879]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.590881][  T879]  do_set_master (net/core/rtnetlink.c:3055)
[   32.590885][  T879]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   32.590889][  T879]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.590892][  T879]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.590893][  T879]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.590895][  T879]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.590899][  T879]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.590901][  T879]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.590903][  T879]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.590906][  T879]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.590909][  T879]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.590910][  T879]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.590913][  T879]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.590915][  T879]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   32.590917][  T879]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   32.590921][  T879]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.590923][  T879]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.590925][  T879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.590927][  T879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.590929][  T879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.590930][  T879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.590932][  T879]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.590934][  T879]  ? __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)
[   32.590938][  T879]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.590940][  T879]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.590943][  T879]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.590945][  T879]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.590951][  T879]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.590956][  T879]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.590961][  T879]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.590963][  T879]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.590973][  T879]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.590975][  T879]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.590977][  T879]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.590979][  T879]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.590983][  T879]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.590985][  T879]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.590988][  T879]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.590990][  T879]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.590994][  T879]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.590996][  T879]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.591000][  T879]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.591001][  T879]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.591004][  T879]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.591010][  T879]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.591012][  T879]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.591016][  T879]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.591019][  T879]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.591023][  T879]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   32.591027][  T879]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.591031][  T879]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.591032][  T879]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.591035][  T879]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.591039][  T879]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.591043][  T879]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.591045][  T879]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.591048][  T879]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.591049][  T879]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   32.591056][  T879]  ___sys_sendmsg (net/socket.c:2767)
[   32.591059][  T879]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.591074][  T879]  __sys_sendmsg (net/socket.c:2799)
[   32.591077][  T879]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.591083][  T879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.591087][  T879]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.591089][  T879]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.591093][  T879]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.591095][  T879] RIP: 0033:0x7f516ead454e
[   32.591099][  T879] 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
[   32.591101][  T879] RSP: 002b:00007ffdcdab8ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.591103][  T879] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f516ead454e
[   32.591105][  T879] RDX: 0000000000000000 RSI: 00007ffdcdab8f80 RDI: 0000000000000005
[   32.591105][  T879] RBP: 00007ffdcdab8ee0 R08: 0000000000000000 R09: 0000000000000000
[   32.591106][  T879] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9100a0
[   32.591107][  T879] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdcdab9650
| [   34.438667][   T11] softirqs last disabled at (51338): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   34.438675][   T11] Preemption disabled at:
| [   34.438676][   T11] 0x0
| [   34.438686][   T11] Tainted: [W]=WARN
[   34.438687][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.438689][   T11] Workqueue: events netdev_work_proc
[   34.438692][   T11] Call Trace:
[   34.438694][   T11]  <TASK>
[   34.438696][   T11]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.438701][   T11]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.438706][   T11]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.438709][   T11]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.438715][   T11]  __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))
[   34.438719][   T11]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.438726][   T11]  ? 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)
[   34.438729][   T11]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.438733][   T11]  put_chars (drivers/char/virtio_console.c:1176)
[   34.438736][   T11]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.438743][   T11]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.438750][   T11]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.438753][   T11]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.438758][   T11]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.438762][   T11]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.438763][   T11]  ? 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))
[   34.438766][   T11]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.438769][   T11]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.438774][   T11]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.438778][   T11]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.438779][   T11]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.438785][   T11]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.438787][   T11]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.438789][   T11]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.438791][   T11]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.438795][   T11]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.438797][   T11]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.438800][   T11]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.438804][   T11]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.438806][   T11]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.438811][   T11]  _printk (kernel/printk/printk.c:2504)
[   34.438815][   T11]  ? snapshot_read.cold (user.c:?)
[   34.438818][   T11]  ? kthread_stop_put (./arch/x86/include/asm/atomic.h:93 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:949 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:401 (discriminator 4) ./include/linux/refcount.h:389 (discriminator 4) ./include/linux/refcount.h:432 (discriminator 4) ./include/linux/refcount.h:450 (discriminator 4) ./include/linux/sched/task.h:131 (discriminator 4) kernel/kthread.c:782 (discriminator 4))
[   34.438825][   T11] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   34.438837][   T11] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   34.438847][   T11] br_device_event (net/bridge/br.c:111) bridge
[   34.438857][   T11]  ? 0xffffffffc0a00000
[   34.438863][   T11]  notifier_call_chain (kernel/notifier.c:85)
[   34.438869][   T11]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   34.438874][   T11]  ? netif_change_name (net/core/dev.c:1517)
[   34.438878][   T11]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.438880][   T11]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   34.438884][   T11]  ? process_one_work (kernel/workqueue.c:3387)
[   34.438885][   T11]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   34.438887][   T11]  ? kthread (kernel/kthread.c:436)
[   34.438888][   T11]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   34.438892][   T11]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   34.438896][   T11]  netif_change_flags (net/core/dev.c:9882)
[   34.438900][   T11] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   34.438905][   T11]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   34.438908][   T11]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   34.438910][   T11]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.438912][   T11]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.438914][   T11]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.438918][   T11]  process_one_work (kernel/workqueue.c:3387)
[   34.438924][   T11]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   34.438927][   T11]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.438935][   T11]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   34.438939][   T11]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.438940][   T11]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.438943][   T11]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.438946][   T11]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.438947][   T11]  kthread (kernel/kthread.c:436)
[   34.438949][   T11]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.438953][   T11]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   34.438956][   T11]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.438959][   T11]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   34.438962][   T11]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.438965][   T11]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   34.438969][   T11]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.469153][  T964] softirqs last disabled at (27531): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   35.469156][  T964] Preemption disabled at:
| [   35.469157][  T964] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.469166][  T964] Tainted: [W]=WARN
[   35.469167][  T964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.469169][  T964] Call Trace:
[   35.469170][  T964]  <TASK>
[   35.469172][  T964]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.469177][  T964]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.469179][  T964]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.469183][  T964]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.469187][  T964]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.469192][  T964]  __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))
[   35.469194][  T964]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.469201][  T964]  ? 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)
[   35.469204][  T964]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.469207][  T964]  put_chars (drivers/char/virtio_console.c:1176)
[   35.469210][  T964]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.469212][  T964]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.469216][  T964]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.469219][  T964]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.469224][  T964]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.469228][  T964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.469233][  T964]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.469236][  T964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.469241][  T964]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.469244][  T964]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.469246][  T964]  ? 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))
[   35.469248][  T964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.469250][  T964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.469255][  T964]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.469258][  T964]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.469260][  T964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.469265][  T964]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.469268][  T964]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.469269][  T964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.469271][  T964]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.469275][  T964]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.469277][  T964]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.469280][  T964]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.469284][  T964]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.469289][  T964]  ? xfrm_user_exit (net/xfrm/xfrm_user.c:2088) xfrm_user
[   35.469293][  T964]  _printk (kernel/printk/printk.c:2504)
[   35.469297][  T964]  ? snapshot_read.cold (user.c:?)
[   35.469303][  T964]  ? 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)
[   35.469307][  T964] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user
[   35.469310][  T964]  do_one_initcall (init/main.c:1357)
[   35.469313][  T964]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   35.469318][  T964]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   35.469320][  T964]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   35.469325][  T964]  do_init_module (kernel/module/main.c:3117)
[   35.469329][  T964]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   35.469333][  T964]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   35.469336][  T964]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   35.469341][  T964]  load_module (kernel/module/main.c:3593)
[   35.469349][  T964]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   35.469353][  T964]  ? backing_file_read_iter (fs/backing-file.c:211)
[   35.469357][  T964]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.469361][  T964]  init_module_from_file (kernel/module/main.c:3790)
[   35.469364][  T964]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   35.469372][  T964]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   35.469376][  T964]  ? 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)
[   35.469379][  T964]  idempotent_init_module (kernel/module/main.c:3802)
[   35.469382][  T964]  ? init_module_from_file (kernel/module/main.c:3791)
[   35.469388][  T964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.469390][  T964]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   35.469396][  T964]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   35.469398][  T964]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.469402][  T964]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.469404][  T964]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.469407][  T964]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.469410][  T964] RIP: 0033:0x7f8ccea9037d
[   35.469413][  T964] 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
[   35.469415][  T964] RSP: 002b:00007ffdc93366f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   35.469417][  T964] RAX: ffffffffffffffda RBX: 000055fa2814e810 RCX: 00007f8ccea9037d
[   35.469419][  T964] RDX: 0000000000000000 RSI: 000055fa24e55ffd RDI: 0000000000000000
[   35.469420][  T964] RBP: 00007ffdc9336790 R08: 0000000000000000 R09: 0000000000000000
[   35.469421][  T964] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fa24e55ffd
[   35.469421][  T964] R13: 000055fa2814e960 R14: 0000000000040000 R15: 0000000000000000
| [   65.742868][ T1553] softirqs last disabled at (19405): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   65.742871][ T1553] Preemption disabled at:
| [   65.742872][ T1553] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.742884][ T1553] Tainted: [W]=WARN
[   65.742885][ T1553] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.742888][ T1553] Call Trace:
[   65.742890][ T1553]  <TASK>
[   65.742892][ T1553]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.742898][ T1553]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.742901][ T1553]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.742907][ T1553]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.742912][ T1553]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   65.742920][ T1553]  __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))
[   65.742923][ T1553]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.742933][ T1553]  ? 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)
[   65.742937][ T1553]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.742942][ T1553]  put_chars (drivers/char/virtio_console.c:1176)
[   65.742947][ T1553]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.742952][ T1553]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.742956][ T1553]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.742960][ T1553]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.742967][ T1553]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.742971][ T1553]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   65.742974][ T1553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.742977][ T1553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.742985][ T1553]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.742987][ T1553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.742995][ T1553]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.743002][ T1553]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.743008][ T1553]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.743010][ T1553]  ? 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))
[   65.743015][ T1553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.743019][ T1553]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.743026][ T1553]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.743033][ T1553]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.743035][ T1553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.743045][ T1553]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.743048][ T1553]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.743051][ T1553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.743054][ T1553]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   65.743061][ T1553]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.743063][ T1553]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.743069][ T1553]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.743075][ T1553]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.743078][ T1553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.743083][ T1553]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   65.743089][ T1553]  _printk (kernel/printk/printk.c:2504)
[   65.743094][ T1553]  ? snapshot_read.cold (user.c:?)
[   65.743100][ T1553]  ? br_multicast_flood (??:?) bridge
[   65.743119][ T1553]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   65.743121][ T1553]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.743123][ T1553]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.743131][ T1553] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   65.743150][ T1553] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   65.743169][ T1553] new_nbp (net/bridge/br_if.c:449) bridge
[   65.743186][ T1553] br_add_if (net/bridge/br_if.c:592) bridge
[   65.743199][ T1553]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   65.743205][ T1553]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   65.743215][ T1553]  do_set_master (net/core/rtnetlink.c:3071)
[   65.743223][ T1553]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   65.743229][ T1553]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   65.743234][ T1553]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   65.743236][ T1553]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.743239][ T1553]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.743244][ T1553]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.743248][ T1553]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.743251][ T1553]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.743256][ T1553]  ? kasan_save_stack (mm/kasan/common.c:58)
[   65.743259][ T1553]  ? kasan_save_stack (mm/kasan/common.c:57)
[   65.743262][ T1553]  ? kasan_save_track (mm/kasan/common.c:78)
[   65.743267][ T1553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.743270][ T1553]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   65.743274][ T1553]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   65.743281][ T1553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.743284][ T1553]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.743289][ T1553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.743292][ T1553]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.743294][ T1553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.743296][ T1553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.743299][ T1553]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   65.743303][ T1553]  ? __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)
[   65.743308][ T1553]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   65.743312][ T1553]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.743318][ T1553]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   65.743321][ T1553]  ? nla_get_range_signed (lib/nlattr.c:270)
[   65.743331][ T1553]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   65.743340][ T1553]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.743350][ T1553]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.743353][ T1553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.743361][ T1553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.743365][ T1553]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.743368][ T1553]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.743371][ T1553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.743378][ T1553]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.743381][ T1553]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.743387][ T1553]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.743389][ T1553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.743397][ T1553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.743401][ T1553]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.743407][ T1553]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.743410][ T1553]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.743415][ T1553]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.743427][ T1553]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.743429][ T1553]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.743436][ T1553]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.743443][ T1553]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.743448][ T1553]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   65.743455][ T1553]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.743462][ T1553]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.743464][ T1553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.743469][ T1553]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   65.743474][ T1553]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   65.743481][ T1553]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.743485][ T1553]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.743488][ T1553]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   65.743491][ T1553]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   65.743504][ T1553]  ___sys_sendmsg (net/socket.c:2767)
[   65.743509][ T1553]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.743540][ T1553]  __sys_sendmsg (net/socket.c:2799)
[   65.743545][ T1553]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.743556][ T1553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.743562][ T1553]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.743566][ T1553]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.743571][ T1553]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.743574][ T1553] RIP: 0033:0x7f988a20654e
[   65.743578][ T1553] 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
[   65.743581][ T1553] RSP: 002b:00007fffa3436c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.743584][ T1553] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f988a20654e
[   65.743586][ T1553] RDX: 0000000000000000 RSI: 00007fffa3436d30 RDI: 0000000000000005
[   65.743588][ T1553] RBP: 00007fffa3436c90 R08: 0000000000000000 R09: 0000000000000000
[   65.743589][ T1553] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9100c2
[   65.743590][ T1553] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa3437400
| [   72.413926][ T1671] softirqs last disabled at (25302): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   72.413928][ T1671] Preemption disabled at:
| [   72.413929][ T1671] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.413937][ T1671] Tainted: [W]=WARN
[   72.413938][ T1671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.413940][ T1671] Call Trace:
[   72.413942][ T1671]  <TASK>
[   72.413943][ T1671]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.413948][ T1671]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.413950][ T1671]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.413955][ T1671]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.413958][ T1671]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   72.413963][ T1671]  __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))
[   72.413965][ T1671]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.413972][ T1671]  ? 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)
[   72.413975][ T1671]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.413978][ T1671]  put_chars (drivers/char/virtio_console.c:1176)
[   72.413981][ T1671]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   72.413983][ T1671]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.413986][ T1671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.413990][ T1671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.413993][ T1671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.413997][ T1671]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.414000][ T1671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   72.414003][ T1671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.414004][ T1671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.414009][ T1671]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.414011][ T1671]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   72.414014][ T1671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.414016][ T1671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.414020][ T1671]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.414024][ T1671]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.414025][ T1671]  ? 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))
[   72.414028][ T1671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.414029][ T1671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.414034][ T1671]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.414037][ T1671]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.414039][ T1671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.414044][ T1671]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.414047][ T1671]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.414048][ T1671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.414050][ T1671]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   72.414054][ T1671]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.414056][ T1671]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.414059][ T1671]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.414062][ T1671]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.414063][ T1671]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.414065][ T1671]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.414068][ T1671]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.414069][ T1671]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.414071][ T1671]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.414073][ T1671]  ? ___sys_sendmsg (net/socket.c:2767)
[   72.414075][ T1671]  ? __sys_sendmsg (net/socket.c:2799)
[   72.414079][ T1671]  _printk (kernel/printk/printk.c:2504)
[   72.414082][ T1671]  ? snapshot_read.cold (user.c:?)
[   72.414087][ T1671]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   72.414090][ T1671]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   72.414094][ T1671]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   72.414097][ T1671]  ? netdev_notice (net/core/dev.c:13194)
[   72.414101][ T1671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.414103][ T1671]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   72.414106][ T1671]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   72.414108][ T1671]  ? 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)
[   72.414111][ T1671]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   72.414115][ T1671]  dev_set_allmulti (net/core/dev_api.c:315)
[   72.414119][ T1671] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   72.414135][ T1671] br_del_if (net/bridge/br_if.c:732) bridge
[   72.414143][ T1671]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   72.414148][ T1671]  do_set_master (net/core/rtnetlink.c:3055)
[   72.414152][ T1671]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   72.414155][ T1671]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   72.414159][ T1671]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   72.414160][ T1671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   72.414162][ T1671]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.414166][ T1671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.414168][ T1671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.414170][ T1671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.414173][ T1671]  ? kasan_save_stack (mm/kasan/common.c:58)
[   72.414176][ T1671]  ? kasan_save_stack (mm/kasan/common.c:57)
[   72.414178][ T1671]  ? kasan_save_track (mm/kasan/common.c:78)
[   72.414181][ T1671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.414183][ T1671]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   72.414185][ T1671]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   72.414194][ T1671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.414196][ T1671]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.414198][ T1671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.414200][ T1671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.414202][ T1671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.414203][ T1671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.414205][ T1671]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   72.414208][ T1671]  ? __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)
[   72.414211][ T1671]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.414214][ T1671]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.414217][ T1671]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   72.414219][ T1671]  ? nla_get_range_signed (lib/nlattr.c:270)
[   72.414225][ T1671]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   72.414230][ T1671]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.414235][ T1671]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.414237][ T1671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.414241][ T1671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.414243][ T1671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.414245][ T1671]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.414247][ T1671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.414251][ T1671]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.414253][ T1671]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.414256][ T1671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.414258][ T1671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.414262][ T1671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.414264][ T1671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.414268][ T1671]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.414270][ T1671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.414272][ T1671]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.414279][ T1671]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   72.414280][ T1671]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   72.414284][ T1671]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.414288][ T1671]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.414291][ T1671]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   72.414295][ T1671]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.414298][ T1671]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.414300][ T1671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.414303][ T1671]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   72.414307][ T1671]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   72.414311][ T1671]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.414313][ T1671]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.414315][ T1671]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   72.414317][ T1671]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   72.414325][ T1671]  ___sys_sendmsg (net/socket.c:2767)
[   72.414327][ T1671]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.414343][ T1671]  __sys_sendmsg (net/socket.c:2799)
[   72.414346][ T1671]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.414352][ T1671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.414355][ T1671]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.414358][ T1671]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.414361][ T1671]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.414364][ T1671] RIP: 0033:0x7f6b1110854e
[   72.414367][ T1671] 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
[   72.414369][ T1671] RSP: 002b:00007fff4e63d6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.414372][ T1671] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6b1110854e
[   72.414373][ T1671] RDX: 0000000000000000 RSI: 00007fff4e63d790 RDI: 0000000000000005
[   72.414374][ T1671] RBP: 00007fff4e63d6f0 R08: 0000000000000000 R09: 0000000000000000
[   72.414375][ T1671] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9100c8
[   72.414376][ T1671] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4e63de60
| [   75.999582][   T11] softirqs last disabled at (83778): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   75.999590][   T11] Preemption disabled at:
| [   75.999591][   T11] 0x0
| [   75.999601][   T11] Tainted: [W]=WARN
[   75.999602][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   75.999604][   T11] Workqueue: events netdev_work_proc
[   75.999608][   T11] Call Trace:
[   75.999610][   T11]  <TASK>
[   75.999612][   T11]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   75.999617][   T11]  __might_resched.cold (kernel/sched/core.c:9234)
[   75.999622][   T11]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   75.999626][   T11]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   75.999633][   T11]  __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))
[   75.999637][   T11]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.999647][   T11]  ? 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)
[   75.999652][   T11]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.999658][   T11]  put_chars (drivers/char/virtio_console.c:1176)
[   75.999663][   T11]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   75.999677][   T11]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   75.999690][   T11]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   75.999695][   T11]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.999704][   T11]  console_emit_next_record (kernel/printk/printk.c:3183)
[   75.999710][   T11]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   75.999712][   T11]  ? 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))
[   75.999720][   T11]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.999725][   T11]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.999734][   T11]  console_flush_one_record (kernel/printk/printk.c:3268)
[   75.999741][   T11]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   75.999744][   T11]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.999755][   T11]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   75.999759][   T11]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   75.999762][   T11]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.999766][   T11]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   75.999773][   T11]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   75.999776][   T11]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   75.999783][   T11]  vprintk_emit (kernel/printk/printk.c:2479)
[   75.999790][   T11]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   75.999794][   T11]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.999797][   T11]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   75.999801][   T11]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   75.999809][   T11]  _printk (kernel/printk/printk.c:2504)
[   75.999815][   T11]  ? snapshot_read.cold (user.c:?)
[   75.999820][   T11]  ? kthread_stop_put (./arch/x86/include/asm/atomic.h:93 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:949 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:401 (discriminator 4) ./include/linux/refcount.h:389 (discriminator 4) ./include/linux/refcount.h:432 (discriminator 4) ./include/linux/refcount.h:450 (discriminator 4) ./include/linux/sched/task.h:131 (discriminator 4) kernel/kthread.c:782 (discriminator 4))
[   75.999835][   T11] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   75.999856][   T11] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   75.999874][   T11] br_device_event (net/bridge/br.c:111) bridge
[   75.999890][   T11]  ? 0xffffffffc0a00000
[   75.999902][   T11]  notifier_call_chain (kernel/notifier.c:85)
[   75.999913][   T11]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   75.999921][   T11]  ? netif_change_name (net/core/dev.c:1517)
[   75.999929][   T11]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   75.999932][   T11]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   75.999937][   T11]  ? process_one_work (kernel/workqueue.c:3387)
[   75.999940][   T11]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   75.999942][   T11]  ? kthread (kernel/kthread.c:436)
[   75.999945][   T11]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   75.999949][   T11]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   75.999957][   T11]  netif_change_flags (net/core/dev.c:9882)
[   75.999964][   T11] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   75.999973][   T11]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   75.999979][   T11]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   75.999982][   T11]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.999985][   T11]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.999989][   T11]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.999996][   T11]  process_one_work (kernel/workqueue.c:3387)
[   76.000008][   T11]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   76.000013][   T11]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   76.000029][   T11]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   76.000037][   T11]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   76.000040][   T11]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   76.000045][   T11]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   76.000049][   T11]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   76.000052][   T11]  kthread (kernel/kthread.c:436)
[   76.000055][   T11]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.000060][   T11]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   76.000065][   T11]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.000070][   T11]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   76.000077][   T11]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.000081][   T11]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print