======================================
| [   21.419421][  T551] softirqs last disabled at (32959): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.419424][  T551] Preemption disabled at:
| [   21.419425][  T551] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.419433][  T551] Tainted: [W]=WARN
[   21.419434][  T551] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.419436][  T551] Call Trace:
[   21.419438][  T551]  <TASK>
[   21.419440][  T551]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.419445][  T551]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.419446][  T551]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.419451][  T551]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.419454][  T551]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.419459][  T551]  __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))
[   21.419461][  T551]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.419467][  T551]  ? 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)
[   21.419470][  T551]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.419473][  T551]  put_chars (drivers/char/virtio_console.c:1176)
[   21.419476][  T551]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.419479][  T551]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.419484][  T551]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.419491][  T551]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.419494][  T551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.419497][  T551]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.419501][  T551]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.419505][  T551]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.419507][  T551]  ? 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))
[   21.419509][  T551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.419511][  T551]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.419515][  T551]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.419519][  T551]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.419520][  T551]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.419526][  T551]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.419528][  T551]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.419529][  T551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.419531][  T551]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.419535][  T551]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.419537][  T551]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.419540][  T551]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.419543][  T551]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.419549][  T551]  ? ipip_fini (net/ipv4/ipip.c:441 (discriminator 1)) ipip
[   21.419552][  T551]  _printk (kernel/printk/printk.c:2504)
[   21.419556][  T551]  ? snapshot_read.cold (user.c:?)
[   21.419562][  T551]  ? 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)
[   21.419565][  T551] ipip_init (net/ipv4/ipip.c:438) ipip
[   21.419568][  T551]  do_one_initcall (init/main.c:1357)
[   21.419571][  T551]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   21.419576][  T551]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   21.419579][  T551]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   21.419584][  T551]  do_init_module (kernel/module/main.c:3117)
[   21.419587][  T551]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.419592][  T551]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   21.419594][  T551]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   21.419599][  T551]  load_module (kernel/module/main.c:3593)
[   21.419605][  T551]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   21.419609][  T551]  ? __ia32_sys_fsconfig (??:?)
[   21.419612][  T551]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   21.419616][  T551]  ? backing_file_read_iter (fs/backing-file.c:211)
[   21.419619][  T551]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.419623][  T551]  init_module_from_file (kernel/module/main.c:3790)
[   21.419626][  T551]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   21.419633][  T551]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.419637][  T551]  ? 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)
[   21.419640][  T551]  idempotent_init_module (kernel/module/main.c:3802)
[   21.419643][  T551]  ? init_module_from_file (kernel/module/main.c:3791)
[   21.419649][  T551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.419651][  T551]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   21.419656][  T551]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   21.419657][  T551]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.419661][  T551]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.419663][  T551]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.419666][  T551]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.419668][  T551] RIP: 0033:0x7fd288abe37d
[   21.419671][  T551] 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
[   21.419673][  T551] RSP: 002b:00007fff6b3b4ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   21.419675][  T551] RAX: ffffffffffffffda RBX: 000056495ebcc810 RCX: 00007fd288abe37d
[   21.419677][  T551] RDX: 0000000000000000 RSI: 0000564923e1cffd RDI: 0000000000000002
[   21.419678][  T551] RBP: 00007fff6b3b4b60 R08: 0000000000000000 R09: 0000000000000000
[   21.419678][  T551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564923e1cffd
[   21.419679][  T551] R13: 000056495ebcc9b0 R14: 0000000000040000 R15: 0000000000000000
| [   23.722452][  T642] softirqs last disabled at (9777): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.722455][  T642] Preemption disabled at:
| [   23.722455][  T642] 0x0
| [   23.722466][  T642] Tainted: [W]=WARN
[   23.722467][  T642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.722469][  T642] Call Trace:
[   23.722470][  T642]  <TASK>
[   23.722472][  T642]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.722477][  T642]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.722482][  T642]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.722485][  T642]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.722490][  T642]  __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))
[   23.722493][  T642]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.722499][  T642]  ? 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)
[   23.722502][  T642]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.722505][  T642]  put_chars (drivers/char/virtio_console.c:1176)
[   23.722508][  T642]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.722514][  T642]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.722521][  T642]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.722524][  T642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.722529][  T642]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.722532][  T642]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.722533][  T642]  ? 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))
[   23.722536][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.722539][  T642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.722543][  T642]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.722547][  T642]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.722548][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.722554][  T642]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.722556][  T642]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.722557][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.722559][  T642]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.722563][  T642]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.722565][  T642]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.722568][  T642]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.722571][  T642]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.722574][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.722578][  T642]  _printk (kernel/printk/printk.c:2504)
[   23.722582][  T642]  ? snapshot_read.cold (user.c:?)
[   23.722585][  T642]  ? 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)
[   23.722587][  T642]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.722591][  T642]  ? 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)
[   23.722594][  T642]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   23.722598][  T642]  ? exit_notify (kernel/exit.c:780)
[   23.722599][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.722602][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.722606][  T642]  do_group_exit (kernel/exit.c:1151)
[   23.722609][  T642]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   23.722611][  T642]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   23.722614][  T642]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.722618][  T642]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.722621][  T642]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.722623][  T642] RIP: 0033:0x7f6e8d83e1b8
[   23.722626][  T642] Code: Unable to access opcode bytes at 0x7f6e8d83e18e.

Code starting with the faulting instruction
===========================================
[   23.722627][  T642] RSP: 002b:00007ffcdc653b68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   23.722629][  T642] RAX: ffffffffffffffda RBX: 00007f6e8d96ef88 RCX: 00007f6e8d83e1b8
[   23.722630][  T642] RDX: 00007f6e8d77ce88 RSI: ffffffffffffffb0 RDI: 0000000000000000
[   23.722631][  T642] RBP: 00007ffcdc653bc0 R08: 0000000000000000 R09: 0000000000000000
[   23.722632][  T642] R10: 00007ffcdc653a00 R11: 0000000000000246 R12: 0000000000000002
[   23.722633][  T642] R13: 0000000000000000 R14: 00007f6e8d96d680 R15: 00007f6e8d96efa0
| [   27.475853][  T765] softirqs last disabled at (97377): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.475856][  T765] Preemption disabled at:
| [   27.475856][  T765] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.475866][  T765] Tainted: [W]=WARN
[   27.475867][  T765] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.475868][  T765] Call Trace:
[   27.475870][  T765]  <TASK>
[   27.475871][  T765]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.475876][  T765]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.475878][  T765]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.475882][  T765]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.475885][  T765]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.475890][  T765]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.475893][  T765]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.475899][  T765]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.475902][  T765]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.475905][  T765]  put_chars (drivers/char/virtio_console.c:1176)
[   27.475908][  T765]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.475911][  T765]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.475916][  T765]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.475923][  T765]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.475925][  T765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.475928][  T765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.475933][  T765]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.475936][  T765]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.475937][  T765]  ? 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))
[   27.475940][  T765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.475942][  T765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.475946][  T765]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.475949][  T765]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.475950][  T765]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.475956][  T765]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.475958][  T765]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.475959][  T765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.475961][  T765]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.475965][  T765]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.475966][  T765]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.475969][  T765]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.475973][  T765]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.475974][  T765]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.475977][  T765]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.475980][  T765]  ? 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
[   27.475984][  T765]  _printk (kernel/printk/printk.c:2504)
[   27.475987][  T765]  ? snapshot_read.cold (user.c:?)
[   27.475989][  T765]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   27.475994][  T765]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   27.476005][  T765]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   27.476008][  T765] br_init (bridge.mod.c:?) bridge
[   27.476027][  T765]  do_one_initcall (init/main.c:1357)
[   27.476031][  T765]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   27.476036][  T765]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   27.476038][  T765]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   27.476043][  T765]  do_init_module (kernel/module/main.c:3117)
[   27.476046][  T765]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.476049][  T765]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   27.476052][  T765]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   27.476056][  T765]  load_module (kernel/module/main.c:3593)
[   27.476063][  T765]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   27.476068][  T765]  ? backing_file_read_iter (fs/backing-file.c:211)
[   27.476071][  T765]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.476075][  T765]  init_module_from_file (kernel/module/main.c:3790)
[   27.476077][  T765]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   27.476085][  T765]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.476089][  T765]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.476092][  T765]  idempotent_init_module (kernel/module/main.c:3802)
[   27.476095][  T765]  ? init_module_from_file (kernel/module/main.c:3791)
[   27.476101][  T765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.476102][  T765]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   27.476107][  T765]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   27.476109][  T765]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.476113][  T765]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.476115][  T765]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.476118][  T765]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.476120][  T765] RIP: 0033:0x7f1da20fd37d
[   27.476124][  T765] 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
[   27.476125][  T765] RSP: 002b:00007ffc9b546a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   27.476128][  T765] RAX: ffffffffffffffda RBX: 000055681ef14810 RCX: 00007f1da20fd37d
[   27.476129][  T765] RDX: 0000000000000000 RSI: 000055681481bffd RDI: 0000000000000002
[   27.476130][  T765] RBP: 00007ffc9b546aa0 R08: 0000000000000000 R09: 0000000000000000
[   27.476131][  T765] R10: 0000000000000000 R11: 0000000000000246 R12: 000055681481bffd
[   27.476131][  T765] R13: 000055681ef149c0 R14: 0000000000040000 R15: 0000000000000000
| [   32.116595][  T885] softirqs last disabled at (23654): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   32.116597][  T885] Preemption disabled at:
| [   32.116598][  T885] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.116606][  T885] Tainted: [W]=WARN
[   32.116607][  T885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.116609][  T885] Call Trace:
[   32.116611][  T885]  <TASK>
[   32.116612][  T885]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.116617][  T885]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.116619][  T885]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.116624][  T885]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.116627][  T885]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.116632][  T885]  __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))
[   32.116634][  T885]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.116640][  T885]  ? 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)
[   32.116643][  T885]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.116647][  T885]  put_chars (drivers/char/virtio_console.c:1176)
[   32.116649][  T885]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   32.116651][  T885]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.116654][  T885]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.116658][  T885]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.116660][  T885]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.116664][  T885]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.116668][  T885]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.116670][  T885]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.116672][  T885]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.116676][  T885]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.116678][  T885]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   32.116681][  T885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.116683][  T885]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.116688][  T885]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.116691][  T885]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.116692][  T885]  ? 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))
[   32.116695][  T885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.116697][  T885]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.116701][  T885]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.116705][  T885]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.116706][  T885]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.116712][  T885]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.116714][  T885]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.116715][  T885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.116717][  T885]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.116721][  T885]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.116723][  T885]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.116726][  T885]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.116730][  T885]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.116731][  T885]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.116732][  T885]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.116735][  T885]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.116737][  T885]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.116738][  T885]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.116741][  T885]  ? ___sys_sendmsg (net/socket.c:2767)
[   32.116742][  T885]  ? __sys_sendmsg (net/socket.c:2799)
[   32.116746][  T885]  _printk (kernel/printk/printk.c:2504)
[   32.116750][  T885]  ? snapshot_read.cold (user.c:?)
[   32.116754][  T885]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.116757][  T885]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.116761][  T885]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.116764][  T885]  ? netdev_notice (net/core/dev.c:13194)
[   32.116768][  T885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.116770][  T885]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   32.116773][  T885]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   32.116775][  T885]  ? 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)
[   32.116778][  T885]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   32.116783][  T885]  dev_set_allmulti (net/core/dev_api.c:315)
[   32.116787][  T885] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   32.116803][  T885] br_del_if (net/bridge/br_if.c:732) bridge
[   32.116811][  T885]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.116817][  T885]  do_set_master (net/core/rtnetlink.c:3055)
[   32.116821][  T885]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   32.116825][  T885]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.116828][  T885]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.116830][  T885]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.116832][  T885]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.116835][  T885]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.116838][  T885]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.116840][  T885]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.116842][  T885]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.116845][  T885]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.116847][  T885]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.116850][  T885]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.116852][  T885]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   32.116854][  T885]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   32.116858][  T885]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.116860][  T885]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.116862][  T885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.116864][  T885]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.116866][  T885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.116867][  T885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.116869][  T885]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.116871][  T885]  ? __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)
[   32.116875][  T885]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.116878][  T885]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.116881][  T885]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.116883][  T885]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.116889][  T885]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.116894][  T885]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.116899][  T885]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.116901][  T885]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.116906][  T885]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.116908][  T885]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.116910][  T885]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.116912][  T885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.116916][  T885]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.116918][  T885]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.116921][  T885]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.116922][  T885]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.116927][  T885]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.116929][  T885]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.116932][  T885]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.116934][  T885]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.116937][  T885]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.116943][  T885]  ? 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))
[   32.116944][  T885]  ? 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))
[   32.116948][  T885]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.116952][  T885]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.116955][  T885]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   32.116959][  T885]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.116962][  T885]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.116964][  T885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.116967][  T885]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.116971][  T885]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.116975][  T885]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.116977][  T885]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.116979][  T885]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.116981][  T885]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   32.116988][  T885]  ___sys_sendmsg (net/socket.c:2767)
[   32.116991][  T885]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.117006][  T885]  __sys_sendmsg (net/socket.c:2799)
[   32.117009][  T885]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.117015][  T885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.117018][  T885]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.117021][  T885]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.117024][  T885]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.117026][  T885] RIP: 0033:0x7f8d47bca54e
[   32.117030][  T885] 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
[   32.117036][  T885] RSP: 002b:00007ffe089114a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.117038][  T885] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8d47bca54e
[   32.117040][  T885] RDX: 0000000000000000 RSI: 00007ffe08911550 RDI: 0000000000000005
[   32.117040][  T885] RBP: 00007ffe089114b0 R08: 0000000000000000 R09: 0000000000000000
[   32.117041][  T885] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9154b9
[   32.117042][  T885] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe08911c20
| [   33.653119][   T50] softirqs last disabled at (45784): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   33.653128][   T50] Preemption disabled at:
| [   33.653128][   T50] 0x0
| [   33.653138][   T50] Tainted: [W]=WARN
[   33.653139][   T50] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.653141][   T50] Workqueue: events netdev_work_proc
[   33.653144][   T50] Call Trace:
[   33.653146][   T50]  <TASK>
[   33.653147][   T50]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.653153][   T50]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.653157][   T50]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.653161][   T50]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.653166][   T50]  __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))
[   33.653168][   T50]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.653175][   T50]  ? 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)
[   33.653178][   T50]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.653181][   T50]  put_chars (drivers/char/virtio_console.c:1176)
[   33.653184][   T50]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.653191][   T50]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.653198][   T50]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.653201][   T50]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.653206][   T50]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.653210][   T50]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.653211][   T50]  ? 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))
[   33.653214][   T50]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.653217][   T50]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.653221][   T50]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.653225][   T50]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.653226][   T50]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.653232][   T50]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.653234][   T50]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.653236][   T50]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.653238][   T50]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.653242][   T50]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.653244][   T50]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.653247][   T50]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.653251][   T50]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.653253][   T50]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.653258][   T50]  _printk (kernel/printk/printk.c:2504)
[   33.653262][   T50]  ? snapshot_read.cold (user.c:?)
[   33.653264][   T50]  ? 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))
[   33.653273][   T50] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   33.653284][   T50] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   33.653294][   T50] br_device_event (net/bridge/br.c:111) bridge
[   33.653303][   T50]  ? 0xffffffffc0c00000
[   33.653309][   T50]  notifier_call_chain (kernel/notifier.c:85)
[   33.653314][   T50]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   33.653320][   T50]  ? netif_change_name (net/core/dev.c:1517)
[   33.653324][   T50]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   33.653325][   T50]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   33.653329][   T50]  ? process_one_work (kernel/workqueue.c:3387)
[   33.653331][   T50]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   33.653332][   T50]  ? kthread (kernel/kthread.c:436)
[   33.653334][   T50]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   33.653337][   T50]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   33.653341][   T50]  netif_change_flags (net/core/dev.c:9882)
[   33.653345][   T50] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   33.653350][   T50]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   33.653353][   T50]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   33.653355][   T50]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.653357][   T50]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.653359][   T50]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.653362][   T50]  process_one_work (kernel/workqueue.c:3387)
[   33.653369][   T50]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   33.653371][   T50]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.653379][   T50]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   33.653383][   T50]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.653384][   T50]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   33.653387][   T50]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.653389][   T50]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.653391][   T50]  kthread (kernel/kthread.c:436)
[   33.653393][   T50]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.653396][   T50]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.653399][   T50]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.653402][   T50]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   33.653406][   T50]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.653409][   T50]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.653412][   T50]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.691429][  T971] softirqs last disabled at (26363): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   34.691432][  T971] Preemption disabled at:
| [   34.691432][  T971] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.691442][  T971] Tainted: [W]=WARN
[   34.691443][  T971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.691444][  T971] Call Trace:
[   34.691446][  T971]  <TASK>
[   34.691448][  T971]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.691452][  T971]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.691454][  T971]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.691459][  T971]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.691462][  T971]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.691467][  T971]  __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))
[   34.691469][  T971]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.691475][  T971]  ? 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)
[   34.691478][  T971]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.691482][  T971]  put_chars (drivers/char/virtio_console.c:1176)
[   34.691485][  T971]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.691486][  T971]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.691491][  T971]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.691494][  T971]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.691499][  T971]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.691502][  T971]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.691508][  T971]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.691510][  T971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.691515][  T971]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.691519][  T971]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.691520][  T971]  ? 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))
[   34.691523][  T971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.691525][  T971]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.691529][  T971]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.691533][  T971]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.691534][  T971]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.691540][  T971]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.691542][  T971]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.691543][  T971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.691545][  T971]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.691549][  T971]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.691551][  T971]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.691554][  T971]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.691558][  T971]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.691564][  T971]  ? xfrm_user_exit (net/xfrm/xfrm_user.c:2088) xfrm_user
[   34.691568][  T971]  _printk (kernel/printk/printk.c:2504)
[   34.691571][  T971]  ? snapshot_read.cold (user.c:?)
[   34.691578][  T971]  ? 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)
[   34.691582][  T971] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user
[   34.691585][  T971]  do_one_initcall (init/main.c:1357)
[   34.691588][  T971]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   34.691593][  T971]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   34.691595][  T971]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   34.691600][  T971]  do_init_module (kernel/module/main.c:3117)
[   34.691603][  T971]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   34.691608][  T971]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   34.691611][  T971]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   34.691615][  T971]  load_module (kernel/module/main.c:3593)
[   34.691622][  T971]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   34.691627][  T971]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.691629][  T971]  ? backing_file_read_iter (fs/backing-file.c:211)
[   34.691632][  T971]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.691636][  T971]  init_module_from_file (kernel/module/main.c:3790)
[   34.691639][  T971]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   34.691647][  T971]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.691651][  T971]  ? 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)
[   34.691654][  T971]  idempotent_init_module (kernel/module/main.c:3802)
[   34.691657][  T971]  ? init_module_from_file (kernel/module/main.c:3791)
[   34.691663][  T971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.691665][  T971]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   34.691670][  T971]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   34.691672][  T971]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.691676][  T971]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.691678][  T971]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.691681][  T971]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.691683][  T971] RIP: 0033:0x7f697fbdc37d
[   34.691687][  T971] 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
[   34.691688][  T971] RSP: 002b:00007ffe9c20d908 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   34.691691][  T971] RAX: ffffffffffffffda RBX: 000055747bb39810 RCX: 00007f697fbdc37d
[   34.691692][  T971] RDX: 0000000000000000 RSI: 000055746b877ffd RDI: 0000000000000000
[   34.691693][  T971] RBP: 00007ffe9c20d9a0 R08: 0000000000000000 R09: 0000000000000000
[   34.691694][  T971] R10: 0000000000000000 R11: 0000000000000246 R12: 000055746b877ffd
[   34.691695][  T971] R13: 000055747bb39960 R14: 0000000000040000 R15: 0000000000000000
| [   64.612731][ T1590] softirqs last disabled at (23120): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   64.612734][ T1590] Preemption disabled at:
| [   64.612734][ T1590] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.612744][ T1590] Tainted: [W]=WARN
[   64.612745][ T1590] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.612747][ T1590] Call Trace:
[   64.612748][ T1590]  <TASK>
[   64.612750][ T1590]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.612757][ T1590]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.612759][ T1590]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.612764][ T1590]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.612767][ T1590]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   64.612772][ T1590]  __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))
[   64.612774][ T1590]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.612781][ T1590]  ? 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)
[   64.612784][ T1590]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.612787][ T1590]  put_chars (drivers/char/virtio_console.c:1176)
[   64.612790][ T1590]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.612793][ T1590]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   64.612797][ T1590]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.612800][ T1590]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   64.612804][ T1590]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.612808][ T1590]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   64.612810][ T1590]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.612812][ T1590]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.612816][ T1590]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.612818][ T1590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.612822][ T1590]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.612827][ T1590]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.612830][ T1590]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.612831][ T1590]  ? 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))
[   64.612834][ T1590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.612836][ T1590]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.612840][ T1590]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.612844][ T1590]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.612845][ T1590]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.612851][ T1590]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.612853][ T1590]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.612855][ T1590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.612856][ T1590]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   64.612860][ T1590]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.612862][ T1590]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.612865][ T1590]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.612869][ T1590]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.612871][ T1590]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.612874][ T1590]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   64.612878][ T1590]  _printk (kernel/printk/printk.c:2504)
[   64.612882][ T1590]  ? snapshot_read.cold (user.c:?)
[   64.612886][ T1590]  ? br_multicast_flood (??:?) bridge
[   64.612899][ T1590]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   64.612901][ T1590]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   64.612902][ T1590]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.612906][ T1590] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   64.612918][ T1590] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   64.612927][ T1590] new_nbp (net/bridge/br_if.c:449) bridge
[   64.612936][ T1590] br_add_if (net/bridge/br_if.c:592) bridge
[   64.612943][ T1590]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   64.612948][ T1590]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   64.612954][ T1590]  do_set_master (net/core/rtnetlink.c:3071)
[   64.612959][ T1590]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   64.612963][ T1590]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   64.612966][ T1590]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   64.612968][ T1590]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   64.612970][ T1590]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.612973][ T1590]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   64.612976][ T1590]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.612978][ T1590]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   64.612980][ T1590]  ? kasan_save_stack (mm/kasan/common.c:58)
[   64.612984][ T1590]  ? kasan_save_stack (mm/kasan/common.c:57)
[   64.612985][ T1590]  ? kasan_save_track (mm/kasan/common.c:78)
[   64.612988][ T1590]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.612990][ T1590]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   64.612993][ T1590]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   64.612998][ T1590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.613000][ T1590]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   64.613003][ T1590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.613005][ T1590]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.613006][ T1590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.613008][ T1590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.613010][ T1590]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   64.613013][ T1590]  ? __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)
[   64.613018][ T1590]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   64.613022][ T1590]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   64.613028][ T1590]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   64.613031][ T1590]  ? nla_get_range_signed (lib/nlattr.c:270)
[   64.613041][ T1590]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   64.613052][ T1590]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   64.613062][ T1590]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.613066][ T1590]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.613075][ T1590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.613078][ T1590]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.613082][ T1590]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.613086][ T1590]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.613093][ T1590]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.613097][ T1590]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.613103][ T1590]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.613105][ T1590]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.613114][ T1590]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.613117][ T1590]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.613124][ T1590]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.613127][ T1590]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.613132][ T1590]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.613145][ T1590]  ? 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))
[   64.613147][ T1590]  ? 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))
[   64.613155][ T1590]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.613162][ T1590]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.613168][ T1590]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   64.613176][ T1590]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.613183][ T1590]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   64.613185][ T1590]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.613191][ T1590]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   64.613196][ T1590]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   64.613203][ T1590]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   64.613207][ T1590]  ? copy_msghdr_from_user (net/socket.c:2650)
[   64.613211][ T1590]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   64.613214][ T1590]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   64.613229][ T1590]  ___sys_sendmsg (net/socket.c:2767)
[   64.613234][ T1590]  ? copy_msghdr_from_user (net/socket.c:2619)
[   64.613273][ T1590]  __sys_sendmsg (net/socket.c:2799)
[   64.613277][ T1590]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   64.613290][ T1590]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.613296][ T1590]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.613300][ T1590]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   64.613305][ T1590]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.613308][ T1590] RIP: 0033:0x7f15f503854e
[   64.613313][ T1590] 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
[   64.613316][ T1590] RSP: 002b:00007fff6d96aca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.613320][ T1590] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f15f503854e
[   64.613322][ T1590] RDX: 0000000000000000 RSI: 00007fff6d96ad50 RDI: 0000000000000005
[   64.613324][ T1590] RBP: 00007fff6d96acb0 R08: 0000000000000000 R09: 0000000000000000
[   64.613325][ T1590] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9154da
[   64.613327][ T1590] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6d96b420
| [   72.939824][ T1713] softirqs last disabled at (18158): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   72.939826][ T1713] Preemption disabled at:
| [   72.939827][ T1713] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.939836][ T1713] Tainted: [W]=WARN
[   72.939837][ T1713] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.939839][ T1713] Call Trace:
[   72.939840][ T1713]  <TASK>
[   72.939842][ T1713]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.939847][ T1713]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.939848][ T1713]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.939853][ T1713]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.939856][ T1713]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   72.939862][ T1713]  __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))
[   72.939864][ T1713]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.939870][ T1713]  ? 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)
[   72.939873][ T1713]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.939877][ T1713]  put_chars (drivers/char/virtio_console.c:1176)
[   72.939879][ T1713]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   72.939881][ T1713]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.939884][ T1713]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.939888][ T1713]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.939891][ T1713]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.939895][ T1713]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.939898][ T1713]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   72.939900][ T1713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.939902][ T1713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.939906][ T1713]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.939909][ T1713]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   72.939911][ T1713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.939913][ T1713]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.939918][ T1713]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.939921][ T1713]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.939922][ T1713]  ? 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))
[   72.939925][ T1713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.939927][ T1713]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.939931][ T1713]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.939935][ T1713]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.939936][ T1713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.939942][ T1713]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.939944][ T1713]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.939945][ T1713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.939947][ T1713]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   72.939951][ T1713]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.939953][ T1713]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.939956][ T1713]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.939959][ T1713]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.939961][ T1713]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.939962][ T1713]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.939966][ T1713]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.939967][ T1713]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.939969][ T1713]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.939971][ T1713]  ? ___sys_sendmsg (net/socket.c:2767)
[   72.939973][ T1713]  ? __sys_sendmsg (net/socket.c:2799)
[   72.939977][ T1713]  _printk (kernel/printk/printk.c:2504)
[   72.939981][ T1713]  ? snapshot_read.cold (user.c:?)
[   72.939985][ T1713]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   72.939989][ T1713]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   72.939992][ T1713]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   72.939995][ T1713]  ? netdev_notice (net/core/dev.c:13194)
[   72.939999][ T1713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.940001][ T1713]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   72.940004][ T1713]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   72.940006][ T1713]  ? 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)
[   72.940009][ T1713]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   72.940016][ T1713]  dev_set_allmulti (net/core/dev_api.c:315)
[   72.940022][ T1713] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   72.940041][ T1713] br_del_if (net/bridge/br_if.c:732) bridge
[   72.940048][ T1713]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   72.940053][ T1713]  do_set_master (net/core/rtnetlink.c:3055)
[   72.940057][ T1713]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   72.940061][ T1713]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   72.940064][ T1713]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   72.940066][ T1713]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   72.940068][ T1713]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.940071][ T1713]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.940074][ T1713]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.940076][ T1713]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.940079][ T1713]  ? kasan_save_stack (mm/kasan/common.c:58)
[   72.940082][ T1713]  ? kasan_save_stack (mm/kasan/common.c:57)
[   72.940084][ T1713]  ? kasan_save_track (mm/kasan/common.c:78)
[   72.940087][ T1713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.940089][ T1713]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   72.940091][ T1713]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   72.940094][ T1713]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.940096][ T1713]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.940099][ T1713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.940101][ T1713]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.940102][ T1713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.940104][ T1713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.940106][ T1713]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   72.940108][ T1713]  ? __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)
[   72.940111][ T1713]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.940114][ T1713]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.940117][ T1713]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   72.940119][ T1713]  ? nla_get_range_signed (lib/nlattr.c:270)
[   72.940125][ T1713]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   72.940130][ T1713]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.940135][ T1713]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.940137][ T1713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.940142][ T1713]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.940144][ T1713]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.940146][ T1713]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.940148][ T1713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.940152][ T1713]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.940154][ T1713]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.940157][ T1713]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.940158][ T1713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.940163][ T1713]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.940165][ T1713]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.940168][ T1713]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.940170][ T1713]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.940173][ T1713]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.940179][ T1713]  ? 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))
[   72.940180][ T1713]  ? 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))
[   72.940184][ T1713]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.940188][ T1713]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.940191][ T1713]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   72.940195][ T1713]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.940199][ T1713]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.940200][ T1713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.940203][ T1713]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   72.940207][ T1713]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   72.940211][ T1713]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.940213][ T1713]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.940215][ T1713]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   72.940217][ T1713]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   72.940224][ T1713]  ___sys_sendmsg (net/socket.c:2767)
[   72.940227][ T1713]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.940243][ T1713]  __sys_sendmsg (net/socket.c:2799)
[   72.940246][ T1713]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.940252][ T1713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.940255][ T1713]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.940258][ T1713]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.940261][ T1713]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.940263][ T1713] RIP: 0033:0x7f299fcab54e
[   72.940267][ T1713] 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
[   72.940269][ T1713] RSP: 002b:00007ffca3bed5e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.940272][ T1713] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f299fcab54e
[   72.940273][ T1713] RDX: 0000000000000000 RSI: 00007ffca3bed690 RDI: 0000000000000005
[   72.940274][ T1713] RBP: 00007ffca3bed5f0 R08: 0000000000000000 R09: 0000000000000000
[   72.940275][ T1713] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9154e2
[   72.940276][ T1713] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca3bedd60
| [   76.574297][   T66] softirqs last disabled at (60186): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   76.574316][   T66] Preemption disabled at:
| [   76.574317][   T66] 0x0
| [   76.574331][   T66] Tainted: [W]=WARN
[   76.574332][   T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.574335][   T66] Workqueue: events netdev_work_proc
[   76.574339][   T66] Call Trace:
[   76.574341][   T66]  <TASK>
[   76.574344][   T66]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   76.574352][   T66]  __might_resched.cold (kernel/sched/core.c:9234)
[   76.574359][   T66]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   76.574364][   T66]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   76.574371][   T66]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   76.574375][   T66]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.574385][   T66]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   76.574389][   T66]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.574395][   T66]  put_chars (drivers/char/virtio_console.c:1176)
[   76.574399][   T66]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   76.574413][   T66]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   76.574425][   T66]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   76.574430][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.574439][   T66]  console_emit_next_record (kernel/printk/printk.c:3183)
[   76.574445][   T66]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   76.574447][   T66]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   76.574452][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.574457][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.574465][   T66]  console_flush_one_record (kernel/printk/printk.c:3268)
[   76.574472][   T66]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   76.574475][   T66]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.574485][   T66]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   76.574489][   T66]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   76.574491][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.574495][   T66]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   76.574502][   T66]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   76.574505][   T66]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   76.574510][   T66]  vprintk_emit (kernel/printk/printk.c:2479)
[   76.574517][   T66]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   76.574521][   T66]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.574524][   T66]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   76.574528][   T66]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   76.574535][   T66]  _printk (kernel/printk/printk.c:2504)
[   76.574541][   T66]  ? snapshot_read.cold (user.c:?)
[   76.574546][   T66]  ? 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))
[   76.574559][   T66] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   76.574579][   T66] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   76.574596][   T66] br_device_event (net/bridge/br.c:111) bridge
[   76.574612][   T66]  ? 0xffffffffc0c00000
[   76.574623][   T66]  notifier_call_chain (kernel/notifier.c:85)
[   76.574633][   T66]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   76.574641][   T66]  ? netif_change_name (net/core/dev.c:1517)
[   76.574648][   T66]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   76.574651][   T66]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   76.574657][   T66]  ? process_one_work (kernel/workqueue.c:3387)
[   76.574659][   T66]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   76.574661][   T66]  ? kthread (kernel/kthread.c:436)
[   76.574664][   T66]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   76.574668][   T66]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   76.574676][   T66]  netif_change_flags (net/core/dev.c:9882)
[   76.574683][   T66] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   76.574691][   T66]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   76.574696][   T66]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   76.574700][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.574703][   T66]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.574706][   T66]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.574713][   T66]  process_one_work (kernel/workqueue.c:3387)
[   76.574725][   T66]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   76.574729][   T66]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   76.574744][   T66]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   76.574751][   T66]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   76.574754][   T66]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   76.574759][   T66]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   76.574763][   T66]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   76.574766][   T66]  kthread (kernel/kthread.c:436)
[   76.574769][   T66]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.574773][   T66]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   76.574778][   T66]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.574783][   T66]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   76.574789][   T66]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.574794][   T66]  ? 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