======================================
| [   10.327146][  T187] softirqs last disabled at (32811): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.327148][  T187] Preemption disabled at:
| [   10.327148][  T187] 0x0
| [   10.327159][  T187] Tainted: [W]=WARN
[   10.327160][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.327162][  T187] Call Trace:
[   10.327163][  T187]  <TASK>
[   10.327165][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.327171][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.327175][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.327180][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.327185][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.327187][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.327192][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.327195][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.327198][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.327201][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.327202][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.327207][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.327212][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.327218][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.327220][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.327222][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.327226][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.327230][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.327232][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.327235][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.327237][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.327241][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.327245][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.327247][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.327255][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.327257][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.327259][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.327262][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.327265][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.327267][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.327270][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.327274][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.327277][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.327280][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.327284][  T187]  ? snapshot_read.cold (user.c:?)
[   10.327287][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.327289][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.327293][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.327296][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.327299][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.327301][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.327304][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.327308][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.327310][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.327312][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.327314][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.327318][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.327321][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.327323][  T187] RIP: 0033:0x7fc5b7b611b8
[   10.327325][  T187] Code: Unable to access opcode bytes at 0x7fc5b7b6118e.

Code starting with the faulting instruction
===========================================
[   10.327326][  T187] RSP: 002b:00007fff917135d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.327329][  T187] RAX: ffffffffffffffda RBX: 00007fc5b7c91f88 RCX: 00007fc5b7b611b8
[   10.327330][  T187] RDX: 00007fc5b78abfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.327331][  T187] RBP: 00007fff91713630 R08: 0000000000000000 R09: 0000000000008010
[   10.327332][  T187] R10: 00007fff917133f0 R11: 0000000000000246 R12: 0000000000000001
[   10.327333][  T187] R13: 0000000000000000 R14: 00007fc5b7c90680 R15: 00007fc5b7c91fa0
| [   11.491825][  T238] softirqs last disabled at (19387): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.491828][  T238] Preemption disabled at:
| [   11.491829][  T238] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.491843][  T238] Tainted: [W]=WARN
[   11.491844][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.491847][  T238] Call Trace:
[   11.491849][  T238]  <TASK>
[   11.491851][  T238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.491858][  T238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.491862][  T238]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.491868][  T238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.491874][  T238]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.491882][  T238]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.491886][  T238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.491895][  T238]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.491899][  T238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.491905][  T238]  put_chars (drivers/char/virtio_console.c:1176)
[   11.491910][  T238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.491912][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.491919][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.491923][  T238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.491931][  T238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.491935][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.491945][  T238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.491950][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.491959][  T238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.491966][  T238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.491968][  T238]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.491974][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.491978][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.491985][  T238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.491993][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.491995][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.492006][  T238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.492010][  T238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.492013][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.492017][  T238]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.492024][  T238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.492027][  T238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.492033][  T238]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.492040][  T238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.492051][  T238]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.492057][  T238]  _printk (kernel/printk/printk.c:2504)
[   11.492063][  T238]  ? snapshot_read.cold (user.c:?)
[   11.492075][  T238]  ? 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)
[   11.492080][  T238] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.492086][  T238]  do_one_initcall (init/main.c:1357)
[   11.492090][  T238]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.492099][  T238]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.492103][  T238]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.492112][  T238]  do_init_module (kernel/module/main.c:3117)
[   11.492118][  T238]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.492124][  T238]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.492129][  T238]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.492137][  T238]  load_module (kernel/module/main.c:3593)
[   11.492152][  T238]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.492159][  T238]  ? __ia32_sys_fsconfig (??:?)
[   11.492162][  T238]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.492168][  T238]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.492172][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.492180][  T238]  init_module_from_file (kernel/module/main.c:3790)
[   11.492185][  T238]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.492201][  T238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.492208][  T238]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.492213][  T238]  idempotent_init_module (kernel/module/main.c:3802)
[   11.492220][  T238]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.492232][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.492236][  T238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.492245][  T238]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.492248][  T238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.492258][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.492262][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.492267][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.492271][  T238] RIP: 0033:0x7f5d63cc737d
[   11.492277][  T238] 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
[   11.492280][  T238] RSP: 002b:00007ffcc5875728 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.492284][  T238] RAX: ffffffffffffffda RBX: 000055c6d7cdd810 RCX: 00007f5d63cc737d
[   11.492286][  T238] RDX: 0000000000000000 RSI: 000055c6a7219ffd RDI: 0000000000000000
[   11.492288][  T238] RBP: 00007ffcc58757c0 R08: 0000000000000000 R09: 0000000000000000
[   11.492289][  T238] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c6a7219ffd
[   11.492291][  T238] R13: 000055c6d7cdd960 R14: 0000000000040000 R15: 0000000000000000
| [   12.920922][  T283] softirqs last disabled at (16700): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.920924][  T283] Preemption disabled at:
| [   12.920925][  T283] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.920935][  T283] Tainted: [W]=WARN
[   12.920936][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.920938][  T283] Call Trace:
[   12.920939][  T283]  <TASK>
[   12.920941][  T283]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.920946][  T283]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.920948][  T283]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.920953][  T283]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.920957][  T283]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.920962][  T283]  __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))
[   12.920964][  T283]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.920970][  T283]  ? 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)
[   12.920973][  T283]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.920976][  T283]  put_chars (drivers/char/virtio_console.c:1176)
[   12.920979][  T283]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.920983][  T283]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.920986][  T283]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.920989][  T283]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.920991][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.920993][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.920996][  T283]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.920998][  T283]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.921002][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.921005][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.921009][  T283]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.921013][  T283]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.921015][  T283]  ? 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))
[   12.921018][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.921020][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.921024][  T283]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.921028][  T283]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.921030][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.921035][  T283]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.921038][  T283]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.921040][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.921042][  T283]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.921046][  T283]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.921048][  T283]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.921051][  T283]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.921055][  T283]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.921057][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.921059][  T283]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.921063][  T283]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.921067][  T283]  _printk (kernel/printk/printk.c:2504)
[   12.921070][  T283]  ? snapshot_read.cold (user.c:?)
[   12.921074][  T283]  ? br_multicast_flood (??:?) bridge
[   12.921087][  T283]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.921088][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.921090][  T283]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.921094][  T283] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.921104][  T283] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.921113][  T283] new_nbp (net/bridge/br_if.c:449) bridge
[   12.921123][  T283] br_add_if (net/bridge/br_if.c:592) bridge
[   12.921131][  T283]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.921135][  T283]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.921138][  T283]  ? __kernel_text_address (kernel/extable.c:79)
[   12.921142][  T283]  do_set_master (net/core/rtnetlink.c:3071)
[   12.921147][  T283]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.921150][  T283]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.921153][  T283]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.921154][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.921157][  T283]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.921160][  T283]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.921163][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.921165][  T283]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.921167][  T283]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.921170][  T283]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.921172][  T283]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.921175][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.921176][  T283]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.921179][  T283]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.921184][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.921186][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.921188][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.921191][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.921192][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.921194][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.921196][  T283]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.921200][  T283]  ? __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)
[   12.921202][  T283]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.921204][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.921207][  T283]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.921209][  T283]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.921214][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.921219][  T283]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.921224][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.921226][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.921231][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.921233][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.921234][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.921236][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.921240][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.921242][  T283]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.921245][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.921246][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.921251][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.921255][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.921258][  T283]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.921260][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.921263][  T283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.921269][  T283]  ? 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))
[   12.921270][  T283]  ? 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))
[   12.921274][  T283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.921278][  T283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.921281][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.921285][  T283]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.921289][  T283]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.921292][  T283]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.921298][  T283]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.921300][  T283]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.921302][  T283]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.921304][  T283]  ? move_addr_to_kernel (net/socket.c:258)
[   12.921311][  T283]  ___sys_sendmsg (net/socket.c:2767)
[   12.921314][  T283]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.921329][  T283]  __sys_sendmsg (net/socket.c:2799)
[   12.921332][  T283]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.921338][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.921342][  T283]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.921344][  T283]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.921347][  T283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.921350][  T283] RIP: 0033:0x7faf4fea654e
[   12.921353][  T283] 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
[   12.921355][  T283] RSP: 002b:00007ffd94b04350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.921358][  T283] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007faf4fea654e
[   12.921359][  T283] RDX: 0000000000000000 RSI: 00007ffd94b04400 RDI: 0000000000000005
[   12.921360][  T283] RBP: 00007ffd94b04360 R08: 0000000000000000 R09: 0000000000000000
[   12.921361][  T283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91839d
[   12.921362][  T283] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd94b04ac0
| [   14.786379][  T342] softirqs last disabled at (13284): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.786381][  T342] Preemption disabled at:
| [   14.786382][  T342] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.786391][  T342] Tainted: [W]=WARN
[   14.786392][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.786394][  T342] Call Trace:
[   14.786395][  T342]  <TASK>
[   14.786397][  T342]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.786402][  T342]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.786405][  T342]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.786409][  T342]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.786413][  T342]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.786418][  T342]  __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))
[   14.786421][  T342]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.786426][  T342]  ? 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)
[   14.786429][  T342]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.786432][  T342]  put_chars (drivers/char/virtio_console.c:1176)
[   14.786434][  T342]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.786436][  T342]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.786439][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.786443][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.786445][  T342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.786449][  T342]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.786452][  T342]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.786454][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.786455][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.786459][  T342]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.786461][  T342]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.786464][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.786466][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.786470][  T342]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.786474][  T342]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.786476][  T342]  ? 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))
[   14.786479][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.786481][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.786486][  T342]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.786490][  T342]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.786492][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.786497][  T342]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.786500][  T342]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.786501][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.786504][  T342]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.786507][  T342]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.786509][  T342]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.786512][  T342]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.786516][  T342]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.786519][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.786521][  T342]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.786525][  T342]  _printk (kernel/printk/printk.c:2504)
[   14.786528][  T342]  ? snapshot_read.cold (user.c:?)
[   14.786532][  T342]  ? br_multicast_flood (??:?) bridge
[   14.786544][  T342]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.786546][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.786547][  T342]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.786551][  T342] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.786562][  T342] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.786570][  T342] new_nbp (net/bridge/br_if.c:449) bridge
[   14.786580][  T342] br_add_if (net/bridge/br_if.c:592) bridge
[   14.786587][  T342]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.786591][  T342]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.786594][  T342]  ? __kernel_text_address (kernel/extable.c:79)
[   14.786597][  T342]  do_set_master (net/core/rtnetlink.c:3071)
[   14.786602][  T342]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.786605][  T342]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.786608][  T342]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.786609][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.786611][  T342]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.786614][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.786617][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.786619][  T342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.786621][  T342]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.786624][  T342]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.786626][  T342]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.786628][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.786630][  T342]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.786633][  T342]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.786637][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.786639][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.786642][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.786644][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.786646][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.786647][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.786650][  T342]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.786654][  T342]  ? __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)
[   14.786657][  T342]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.786659][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.786662][  T342]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.786664][  T342]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.786669][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.786674][  T342]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.786679][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.786681][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.786685][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.786687][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.786689][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.786691][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.786694][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.786696][  T342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.786699][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.786701][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.786705][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.786707][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.786710][  T342]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.786712][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.786715][  T342]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.786721][  T342]  ? 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))
[   14.786722][  T342]  ? 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))
[   14.786726][  T342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.786730][  T342]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.786733][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.786737][  T342]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.786741][  T342]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.786744][  T342]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.786750][  T342]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.786752][  T342]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.786754][  T342]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.786756][  T342]  ? move_addr_to_kernel (net/socket.c:258)
[   14.786763][  T342]  ___sys_sendmsg (net/socket.c:2767)
[   14.786766][  T342]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.786782][  T342]  __sys_sendmsg (net/socket.c:2799)
[   14.786784][  T342]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.786791][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.786794][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.786796][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.786799][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.786802][  T342] RIP: 0033:0x7fe54193554e
[   14.786805][  T342] 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
[   14.786807][  T342] RSP: 002b:00007fff529022e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.786815][  T342] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe54193554e
[   14.786816][  T342] RDX: 0000000000000000 RSI: 00007fff52902390 RDI: 0000000000000005
[   14.786817][  T342] RBP: 00007fff529022f0 R08: 0000000000000000 R09: 0000000000000000
[   14.786818][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91839f
[   14.786819][  T342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff52902a50
| [   16.058360][  T396] softirqs last disabled at (10946): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.058362][  T396] Preemption disabled at:
| [   16.058363][  T396] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.058374][  T396] Tainted: [W]=WARN
[   16.058376][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.058378][  T396] Call Trace:
[   16.058380][  T396]  <TASK>
[   16.058382][  T396]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.058389][  T396]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.058392][  T396]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.058397][  T396]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.058402][  T396]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.058408][  T396]  __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))
[   16.058412][  T396]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.058419][  T396]  ? 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)
[   16.058422][  T396]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.058427][  T396]  put_chars (drivers/char/virtio_console.c:1176)
[   16.058429][  T396]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   16.058432][  T396]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.058437][  T396]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.058442][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.058446][  T396]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.058451][  T396]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.058454][  T396]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.058457][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.058459][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.058464][  T396]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.058467][  T396]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.058472][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.058475][  T396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.058481][  T396]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.058486][  T396]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.058488][  T396]  ? 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))
[   16.058493][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.058496][  T396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.058502][  T396]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.058508][  T396]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.058510][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.058518][  T396]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.058522][  T396]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.058524][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.058527][  T396]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.058533][  T396]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.058535][  T396]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.058540][  T396]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.058546][  T396]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.058550][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.058554][  T396]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.058559][  T396]  _printk (kernel/printk/printk.c:2504)
[   16.058564][  T396]  ? snapshot_read.cold (user.c:?)
[   16.058570][  T396]  ? br_multicast_flood (??:?) bridge
[   16.058586][  T396]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.058589][  T396]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.058591][  T396]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.058598][  T396] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.058612][  T396] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.058625][  T396] new_nbp (net/bridge/br_if.c:449) bridge
[   16.058639][  T396] br_add_if (net/bridge/br_if.c:592) bridge
[   16.058650][  T396]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   16.058656][  T396]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.058659][  T396]  ? __kernel_text_address (kernel/extable.c:79)
[   16.058665][  T396]  do_set_master (net/core/rtnetlink.c:3071)
[   16.058672][  T396]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.058677][  T396]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.058682][  T396]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.058684][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.058687][  T396]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.058692][  T396]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.058696][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.058699][  T396]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.058703][  T396]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.058706][  T396]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.058708][  T396]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.058712][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.058715][  T396]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   16.058719][  T396]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.058725][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.058728][  T396]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.058732][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.058735][  T396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.058737][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.058740][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.058743][  T396]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.058748][  T396]  ? __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)
[   16.058752][  T396]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.058755][  T396]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.058760][  T396]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.058763][  T396]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.058770][  T396]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.058779][  T396]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.058787][  T396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.058790][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.058797][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.058800][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.058803][  T396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.058806][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.058812][  T396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.058821][  T396]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.058826][  T396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.058828][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.058835][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.058837][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.058843][  T396]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.058845][  T396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.058849][  T396]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.058859][  T396]  ? 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))
[   16.058861][  T396]  ? 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))
[   16.058868][  T396]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.058874][  T396]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.058878][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.058885][  T396]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.058890][  T396]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.058896][  T396]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.058904][  T396]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.058908][  T396]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.058911][  T396]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.058913][  T396]  ? move_addr_to_kernel (net/socket.c:258)
[   16.058925][  T396]  ___sys_sendmsg (net/socket.c:2767)
[   16.058929][  T396]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.058955][  T396]  __sys_sendmsg (net/socket.c:2799)
[   16.058959][  T396]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.058968][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.058974][  T396]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.058977][  T396]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.058982][  T396]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.058985][  T396] RIP: 0033:0x7fc3bfb3454e
[   16.058989][  T396] 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
[   16.058991][  T396] RSP: 002b:00007ffd12b49cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.058995][  T396] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc3bfb3454e
[   16.058997][  T396] RDX: 0000000000000000 RSI: 00007ffd12b49d60 RDI: 0000000000000005
[   16.058998][  T396] RBP: 00007ffd12b49cc0 R08: 0000000000000000 R09: 0000000000000000
[   16.058999][  T396] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183a0
[   16.059001][  T396] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd12b4a420
| [   17.058555][  T441] softirqs last disabled at (13462): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   17.058558][  T441] Preemption disabled at:
| [   17.058558][  T441] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.058568][  T441] Tainted: [W]=WARN
[   17.058569][  T441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.058570][  T441] Call Trace:
[   17.058572][  T441]  <TASK>
[   17.058573][  T441]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.058579][  T441]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.058581][  T441]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.058586][  T441]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.058590][  T441]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.058596][  T441]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.058598][  T441]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.058604][  T441]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.058607][  T441]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.058610][  T441]  put_chars (drivers/char/virtio_console.c:1176)
[   17.058612][  T441]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   17.058614][  T441]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.058617][  T441]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.058621][  T441]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.058623][  T441]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.058627][  T441]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.058630][  T441]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.058631][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.058633][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.058637][  T441]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.058639][  T441]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.058642][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058644][  T441]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.058648][  T441]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.058652][  T441]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.058654][  T441]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.058657][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058659][  T441]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.058663][  T441]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.058667][  T441]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.058669][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.058674][  T441]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.058677][  T441]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.058679][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058681][  T441]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.058685][  T441]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.058686][  T441]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.058690][  T441]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.058694][  T441]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.058696][  T441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.058701][  T441]  _printk (kernel/printk/printk.c:2504)
[   17.058705][  T441]  ? snapshot_read.cold (user.c:?)
[   17.058709][  T441]  ? br_multicast_flood (??:?) bridge
[   17.058721][  T441]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.058723][  T441]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.058724][  T441]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.058728][  T441] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   17.058738][  T441] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   17.058747][  T441] new_nbp (net/bridge/br_if.c:449) bridge
[   17.058756][  T441] br_add_if (net/bridge/br_if.c:592) bridge
[   17.058763][  T441]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   17.058767][  T441]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   17.058770][  T441]  ? __kernel_text_address (kernel/extable.c:79)
[   17.058774][  T441]  do_set_master (net/core/rtnetlink.c:3071)
[   17.058778][  T441]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.058781][  T441]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.058784][  T441]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.058786][  T441]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.058788][  T441]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.058791][  T441]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.058794][  T441]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.058795][  T441]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.058798][  T441]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.058801][  T441]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.058802][  T441]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.058805][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.058807][  T441]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   17.058810][  T441]  ? ___sys_sendmsg (net/socket.c:2757)
[   17.058814][  T441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.058825][  T441]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.058828][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058830][  T441]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.058832][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058834][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058836][  T441]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.058840][  T441]  ? __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)
[   17.058843][  T441]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.058845][  T441]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.058848][  T441]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.058850][  T441]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.058855][  T441]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.058860][  T441]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.058865][  T441]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.058867][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.058871][  T441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.058873][  T441]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.058875][  T441]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.058877][  T441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.058880][  T441]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.058882][  T441]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.058885][  T441]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.058887][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.058891][  T441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.058893][  T441]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.058896][  T441]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.058898][  T441]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.058901][  T441]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.058907][  T441]  ? 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))
[   17.058908][  T441]  ? 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))
[   17.058912][  T441]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.058916][  T441]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.058918][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.058922][  T441]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.058926][  T441]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.058930][  T441]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.058935][  T441]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.058937][  T441]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.058939][  T441]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.058941][  T441]  ? move_addr_to_kernel (net/socket.c:258)
[   17.058948][  T441]  ___sys_sendmsg (net/socket.c:2767)
[   17.058951][  T441]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.058966][  T441]  __sys_sendmsg (net/socket.c:2799)
[   17.058969][  T441]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.058975][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058979][  T441]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.058981][  T441]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.058984][  T441]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.058986][  T441] RIP: 0033:0x7f3eb3aef54e
[   17.058990][  T441] 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
[   17.058992][  T441] RSP: 002b:00007ffedf989a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.058994][  T441] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3eb3aef54e
[   17.058996][  T441] RDX: 0000000000000000 RSI: 00007ffedf989af0 RDI: 0000000000000005
[   17.058997][  T441] RBP: 00007ffedf989a50 R08: 0000000000000000 R09: 0000000000000000
[   17.058997][  T441] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183a1
[   17.058998][  T441] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedf98a1b0
| [   25.492865][   T70] softirqs last disabled at (33682): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [   25.492870][   T70] Preemption disabled at:
| [   25.492870][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.492880][   T70] Tainted: [W]=WARN
[   25.492881][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.492883][   T70] Workqueue: netns cleanup_net
[   25.492886][   T70] Call Trace:
[   25.492888][   T70]  <TASK>
[   25.492890][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.492896][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.492898][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.492903][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.492908][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.492913][   T70]  __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))
[   25.492916][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.492922][   T70]  ? 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)
[   25.492925][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.492929][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   25.492932][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.492936][   T70]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   25.492940][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.492943][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.492945][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.492950][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.492951][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.492954][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.492959][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.492963][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.492967][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.492969][   T70]  ? 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))
[   25.492973][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.492975][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.492980][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.492984][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.492986][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.492992][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.492995][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.492997][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.492999][   T70]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.493003][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.493005][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.493009][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.493013][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.493015][   T70]  ? process_one_work (kernel/workqueue.c:3387)
[   25.493017][   T70]  ? kthread (kernel/kthread.c:436)
[   25.493019][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   25.493022][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   25.493027][   T70]  _printk (kernel/printk/printk.c:2504)
[   25.493031][   T70]  ? snapshot_read.cold (user.c:?)
[   25.493036][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.493039][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.493044][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.493046][   T70]  ? netdev_notice (net/core/dev.c:13194)
[   25.493051][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.493054][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   25.493057][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   25.493059][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.493061][   T70]  ? 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)
[   25.493065][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   25.493070][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[   25.493074][   T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   25.493089][   T70] br_dev_delete (net/bridge/br_if.c:387) bridge
[   25.493099][   T70] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   25.493108][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   25.493112][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.493117][   T70]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   25.493118][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.493122][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   25.493127][   T70]  cleanup_net (net/core/net_namespace.c:706)
[   25.493131][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.493135][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.493137][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.493141][   T70]  process_one_work (kernel/workqueue.c:3387)
[   25.493149][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   25.493152][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.493161][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   25.493166][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.493168][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   25.493171][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.493174][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.493176][   T70]  kthread (kernel/kthread.c:436)
[   25.493178][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.493181][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.493184][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.493187][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   25.493191][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.493194][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.493197][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.635689][  T569] softirqs last disabled at (16668): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   26.635702][  T569] Preemption disabled at:
| [   26.635703][  T569] 0x0
| [   26.635717][  T569] Tainted: [W]=WARN
[   26.635718][  T569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.635720][  T569] Call Trace:
[   26.635722][  T569]  <TASK>
[   26.635725][  T569]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.635733][  T569]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.635739][  T569]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.635745][  T569]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.635753][  T569]  __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))
[   26.635756][  T569]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.635765][  T569]  ? 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)
[   26.635769][  T569]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.635774][  T569]  put_chars (drivers/char/virtio_console.c:1176)
[   26.635778][  T569]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.635783][  T569]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.635789][  T569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.635792][  T569]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.635798][  T569]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.635801][  T569]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.635804][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.635806][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.635813][  T569]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.635815][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.635823][  T569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.635829][  T569]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.635836][  T569]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.635838][  T569]  ? 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))
[   26.635848][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.635852][  T569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.635859][  T569]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.635866][  T569]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.635868][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.635877][  T569]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.635881][  T569]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.635884][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.635888][  T569]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.635894][  T569]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.635896][  T569]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.635902][  T569]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.635908][  T569]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.635911][  T569]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.635915][  T569]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.635919][  T569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.635925][  T569]  _printk (kernel/printk/printk.c:2504)
[   26.635930][  T569]  ? snapshot_read.cold (user.c:?)
[   26.635944][  T569] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   26.635966][  T569] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   26.635985][  T569] br_device_event (net/bridge/br.c:111) bridge
[   26.635999][  T569]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   26.636005][  T569]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   26.636016][  T569]  notifier_call_chain (kernel/notifier.c:85)
[   26.636025][  T569]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   26.636031][  T569]  ? netif_change_name (net/core/dev.c:1517)
[   26.636037][  T569]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   26.636041][  T569]  ? __kernel_text_address (kernel/extable.c:79)
[   26.636043][  T569]  ? write_profile (profile.c:?)
[   26.636046][  T569]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.636053][  T569]  netif_change_flags (net/core/dev.c:9882)
[   26.636058][  T569]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   26.636063][  T569]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.636066][  T569]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.636068][  T569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.636070][  T569]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.636074][  T569]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.636078][  T569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.636080][  T569]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.636084][  T569]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.636087][  T569]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.636089][  T569]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.636092][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.636095][  T569]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   26.636099][  T569]  ? ___sys_sendmsg (net/socket.c:2757)
[   26.636105][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.636107][  T569]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.636111][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.636114][  T569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.636117][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.636119][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.636123][  T569]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.636128][  T569]  ? __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)
[   26.636130][  T569]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.636134][  T569]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.636139][  T569]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.636149][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.636158][  T569]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.636168][  T569]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.636171][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.636179][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.636181][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.636184][  T569]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.636187][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.636193][  T569]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.636197][  T569]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.636202][  T569]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.636204][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.636211][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.636214][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.636220][  T569]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.636222][  T569]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.636227][  T569]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.636237][  T569]  ? 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))
[   26.636240][  T569]  ? 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))
[   26.636247][  T569]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.636256][  T569]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.636260][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.636267][  T569]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.636273][  T569]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.636279][  T569]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.636287][  T569]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.636291][  T569]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.636295][  T569]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   26.636297][  T569]  ? move_addr_to_kernel (net/socket.c:258)
[   26.636311][  T569]  ___sys_sendmsg (net/socket.c:2767)
[   26.636315][  T569]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.636345][  T569]  __sys_sendmsg (net/socket.c:2799)
[   26.636349][  T569]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.636360][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.636366][  T569]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.636370][  T569]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.636374][  T569]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.636378][  T569] RIP: 0033:0x7f9c6970b54e
[   26.636382][  T569] 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
[   26.636384][  T569] RSP: 002b:00007ffc85871b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.636388][  T569] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9c6970b54e
[   26.636390][  T569] RDX: 0000000000000000 RSI: 00007ffc85871c40 RDI: 0000000000000005
[   26.636391][  T569] RBP: 00007ffc85871ba0 R08: 0000000000000000 R09: 0000000000000000
[   26.636393][  T569] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183ab


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