======================================
| [   10.098004][  T187] softirqs last disabled at (50064): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.098007][  T187] Preemption disabled at:
| [   10.098007][  T187] 0x0
| [   10.098018][  T187] Tainted: [W]=WARN
[   10.098018][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.098020][  T187] Call Trace:
[   10.098021][  T187]  <TASK>
[   10.098023][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.098029][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.098034][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.098038][  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)
[   10.098043][  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))
[   10.098046][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.098051][  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)
[   10.098054][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.098057][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.098060][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.098061][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.098066][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.098071][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.098078][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.098080][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.098082][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.098086][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.098090][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.098092][  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))
[   10.098095][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.098098][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.098102][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.098106][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.098107][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.098113][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.098116][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.098118][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.098120][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.098124][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.098125][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.098129][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.098132][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.098136][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.098140][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.098143][  T187]  ? snapshot_read.cold (user.c:?)
[   10.098146][  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)
[   10.098149][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.098153][  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)
[   10.098155][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.098159][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.098161][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.098164][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.098168][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.098171][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.098173][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.098175][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.098178][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.098181][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.098183][  T187] RIP: 0033:0x7fd195fe21b8
[   10.098186][  T187] Code: Unable to access opcode bytes at 0x7fd195fe218e.

Code starting with the faulting instruction
===========================================
[   10.098187][  T187] RSP: 002b:00007ffd7fe81aa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.098189][  T187] RAX: ffffffffffffffda RBX: 00007fd196112f88 RCX: 00007fd195fe21b8
[   10.098191][  T187] RDX: 00007fd195d2cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.098192][  T187] RBP: 00007ffd7fe81b00 R08: 0000000000000000 R09: 0000000000008010
[   10.098193][  T187] R10: 00007ffd7fe818c0 R11: 0000000000000246 R12: 0000000000000001
[   10.098193][  T187] R13: 0000000000000000 R14: 00007fd196111680 R15: 00007fd196112fa0
| [   11.367009][  T238] softirqs last disabled at (19035): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.367011][  T238] Preemption disabled at:
| [   11.367012][  T238] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.367021][  T238] Tainted: [W]=WARN
[   11.367022][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.367024][  T238] Call Trace:
[   11.367025][  T238]  <TASK>
[   11.367027][  T238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.367032][  T238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.367035][  T238]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.367039][  T238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.367044][  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)
[   11.367049][  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))
[   11.367051][  T238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.367057][  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)
[   11.367060][  T238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.367063][  T238]  put_chars (drivers/char/virtio_console.c:1176)
[   11.367066][  T238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.367068][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.367072][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.367075][  T238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.367079][  T238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.367083][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.367087][  T238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.367090][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.367095][  T238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.367099][  T238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.367101][  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))
[   11.367104][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.367106][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.367110][  T238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.367114][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.367116][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.367121][  T238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.367124][  T238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.367126][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.367129][  T238]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.367132][  T238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.367134][  T238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.367137][  T238]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.367141][  T238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.367147][  T238]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.367151][  T238]  _printk (kernel/printk/printk.c:2504)
[   11.367155][  T238]  ? snapshot_read.cold (user.c:?)
[   11.367161][  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)
[   11.367164][  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
[   11.367167][  T238]  do_one_initcall (init/main.c:1357)
[   11.367170][  T238]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.367174][  T238]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.367177][  T238]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.367182][  T238]  do_init_module (kernel/module/main.c:3117)
[   11.367186][  T238]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.367190][  T238]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.367193][  T238]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.367198][  T238]  load_module (kernel/module/main.c:3593)
[   11.367205][  T238]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.367209][  T238]  ? __ia32_sys_fsconfig (??:?)
[   11.367211][  T238]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.367215][  T238]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.367218][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.367222][  T238]  init_module_from_file (kernel/module/main.c:3790)
[   11.367225][  T238]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.367234][  T238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.367237][  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)
[   11.367240][  T238]  idempotent_init_module (kernel/module/main.c:3802)
[   11.367244][  T238]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.367250][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.367253][  T238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.367259][  T238]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.367261][  T238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.367265][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.367267][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.367269][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.367272][  T238] RIP: 0033:0x7fc57a1d437d
[   11.367275][  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
[   11.367277][  T238] RSP: 002b:00007ffeba7431d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.367279][  T238] RAX: ffffffffffffffda RBX: 0000557006238810 RCX: 00007fc57a1d437d
[   11.367281][  T238] RDX: 0000000000000000 RSI: 0000556fd07f4ffd RDI: 0000000000000000
[   11.367282][  T238] RBP: 00007ffeba743270 R08: 0000000000000000 R09: 0000000000000000
[   11.367283][  T238] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556fd07f4ffd
[   11.367284][  T238] R13: 0000557006238960 R14: 0000000000040000 R15: 0000000000000000
| [   12.783649][  T282] softirqs last disabled at (14588): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.783652][  T282] Preemption disabled at:
| [   12.783652][  T282] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.783662][  T282] Tainted: [W]=WARN
[   12.783663][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.783664][  T282] Call Trace:
[   12.783666][  T282]  <TASK>
[   12.783667][  T282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.783673][  T282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.783675][  T282]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.783680][  T282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.783684][  T282]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.783689][  T282]  __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))
[   12.783691][  T282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.783697][  T282]  ? 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)
[   12.783699][  T282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.783702][  T282]  put_chars (drivers/char/virtio_console.c:1176)
[   12.783705][  T282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.783709][  T282]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.783713][  T282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.783716][  T282]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.783718][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.783719][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.783723][  T282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.783725][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.783728][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.783732][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.783736][  T282]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.783739][  T282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.783741][  T282]  ? 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))
[   12.783744][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.783747][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.783751][  T282]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.783755][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.783756][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.783762][  T282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.783764][  T282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.783766][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.783769][  T282]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.783772][  T282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.783774][  T282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.783777][  T282]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.783781][  T282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.783784][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.783785][  T282]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.783789][  T282]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.783793][  T282]  _printk (kernel/printk/printk.c:2504)
[   12.783798][  T282]  ? snapshot_read.cold (user.c:?)
[   12.783802][  T282]  ? br_multicast_flood (??:?) bridge
[   12.783815][  T282]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.783816][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.783818][  T282]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.783822][  T282] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.783832][  T282] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.783840][  T282] new_nbp (net/bridge/br_if.c:449) bridge
[   12.783850][  T282] br_add_if (net/bridge/br_if.c:592) bridge
[   12.783857][  T282]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.783861][  T282]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.783864][  T282]  ? __kernel_text_address (kernel/extable.c:79)
[   12.783868][  T282]  do_set_master (net/core/rtnetlink.c:3071)
[   12.783873][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.783876][  T282]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.783879][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.783880][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.783883][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.783886][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.783889][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.783891][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.783893][  T282]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.783896][  T282]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.783898][  T282]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.783901][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.783902][  T282]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.783905][  T282]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.783910][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.783912][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.783914][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.783917][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.783918][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.783920][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.783922][  T282]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.783926][  T282]  ? __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)
[   12.783928][  T282]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.783930][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.783933][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.783935][  T282]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.783940][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.783945][  T282]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.783950][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.783952][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.783956][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.783958][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.783960][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.783962][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.783966][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.783968][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.783970][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.783972][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.783976][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.783978][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.783981][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.783983][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.783986][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.783992][  T282]  ? 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))
[   12.783993][  T282]  ? 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))
[   12.783997][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.784001][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.784003][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.784007][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.784011][  T282]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.784015][  T282]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.784020][  T282]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.784022][  T282]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.784024][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.784026][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   12.784033][  T282]  ___sys_sendmsg (net/socket.c:2767)
[   12.784036][  T282]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.784051][  T282]  __sys_sendmsg (net/socket.c:2799)
[   12.784053][  T282]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.784059][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.784063][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.784065][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.784068][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.784070][  T282] RIP: 0033:0x7fa0de3db54e
[   12.784074][  T282] 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
[   12.784075][  T282] RSP: 002b:00007ffd18f2cf50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.784078][  T282] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa0de3db54e
[   12.784080][  T282] RDX: 0000000000000000 RSI: 00007ffd18f2d000 RDI: 0000000000000005
[   12.784081][  T282] RBP: 00007ffd18f2cf60 R08: 0000000000000000 R09: 0000000000000000
[   12.784081][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b84f
[   12.784082][  T282] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd18f2d6c0
| [   14.509161][  T340] softirqs last disabled at (14450): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.509163][  T340] Preemption disabled at:
| [   14.509164][  T340] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.509173][  T340] Tainted: [W]=WARN
[   14.509174][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.509175][  T340] Call Trace:
[   14.509177][  T340]  <TASK>
[   14.509179][  T340]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.509184][  T340]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.509186][  T340]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.509191][  T340]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.509195][  T340]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.509200][  T340]  __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))
[   14.509202][  T340]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.509208][  T340]  ? 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)
[   14.509211][  T340]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.509214][  T340]  put_chars (drivers/char/virtio_console.c:1176)
[   14.509216][  T340]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.509218][  T340]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.509221][  T340]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.509225][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.509227][  T340]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.509231][  T340]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.509233][  T340]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.509235][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.509237][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.509241][  T340]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.509243][  T340]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.509246][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.509248][  T340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.509252][  T340]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.509256][  T340]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.509258][  T340]  ? 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))
[   14.509262][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.509264][  T340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.509268][  T340]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.509272][  T340]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.509274][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.509279][  T340]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.509282][  T340]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.509283][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.509286][  T340]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.509289][  T340]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.509291][  T340]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.509294][  T340]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.509299][  T340]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.509301][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.509304][  T340]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.509307][  T340]  _printk (kernel/printk/printk.c:2504)
[   14.509311][  T340]  ? snapshot_read.cold (user.c:?)
[   14.509315][  T340]  ? br_multicast_flood (??:?) bridge
[   14.509327][  T340]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.509329][  T340]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.509330][  T340]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.509334][  T340] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.509350][  T340] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.509358][  T340] new_nbp (net/bridge/br_if.c:449) bridge
[   14.509369][  T340] br_add_if (net/bridge/br_if.c:592) bridge
[   14.509376][  T340]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.509380][  T340]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.509383][  T340]  ? __kernel_text_address (kernel/extable.c:79)
[   14.509387][  T340]  do_set_master (net/core/rtnetlink.c:3071)
[   14.509391][  T340]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.509394][  T340]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.509397][  T340]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.509399][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.509400][  T340]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.509404][  T340]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.509406][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.509408][  T340]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.509411][  T340]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.509414][  T340]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.509415][  T340]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.509418][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.509420][  T340]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.509423][  T340]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.509428][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.509430][  T340]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.509432][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.509434][  T340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.509436][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.509438][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.509440][  T340]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.509444][  T340]  ? __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)
[   14.509446][  T340]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.509449][  T340]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.509452][  T340]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.509453][  T340]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.509458][  T340]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.509463][  T340]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.509468][  T340]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.509470][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.509474][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.509476][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.509478][  T340]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.509480][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.509484][  T340]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.509485][  T340]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.509488][  T340]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.509490][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.509494][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.509496][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.509499][  T340]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.509501][  T340]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.509504][  T340]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.509510][  T340]  ? 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))
[   14.509511][  T340]  ? 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))
[   14.509515][  T340]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.509519][  T340]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.509521][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.509525][  T340]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.509529][  T340]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.509533][  T340]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.509538][  T340]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.509540][  T340]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.509542][  T340]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.509544][  T340]  ? move_addr_to_kernel (net/socket.c:258)
[   14.509551][  T340]  ___sys_sendmsg (net/socket.c:2767)
[   14.509554][  T340]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.509569][  T340]  __sys_sendmsg (net/socket.c:2799)
[   14.509572][  T340]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.509578][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.509581][  T340]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.509584][  T340]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.509587][  T340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.509589][  T340] RIP: 0033:0x7f28cb96754e
[   14.509592][  T340] 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
[   14.509594][  T340] RSP: 002b:00007ffd5da155a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.509597][  T340] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f28cb96754e
[   14.509598][  T340] RDX: 0000000000000000 RSI: 00007ffd5da15650 RDI: 0000000000000005
[   14.509599][  T340] RBP: 00007ffd5da155b0 R08: 0000000000000000 R09: 0000000000000000
[   14.509600][  T340] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b850
[   14.509601][  T340] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5da15d10
| [   15.747023][  T393] softirqs last disabled at (18666): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.747026][  T393] Preemption disabled at:
| [   15.747026][  T393] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.747035][  T393] Tainted: [W]=WARN
[   15.747036][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.747038][  T393] Call Trace:
[   15.747040][  T393]  <TASK>
[   15.747041][  T393]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.747047][  T393]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.747049][  T393]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.747054][  T393]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.747058][  T393]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.747063][  T393]  __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))
[   15.747066][  T393]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.747071][  T393]  ? 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)
[   15.747074][  T393]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.747077][  T393]  put_chars (drivers/char/virtio_console.c:1176)
[   15.747079][  T393]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.747081][  T393]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.747084][  T393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.747088][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.747091][  T393]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.747094][  T393]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.747097][  T393]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.747099][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.747101][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.747104][  T393]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.747106][  T393]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.747110][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747112][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.747116][  T393]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.747120][  T393]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.747122][  T393]  ? 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))
[   15.747125][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747127][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.747131][  T393]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.747135][  T393]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.747137][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.747142][  T393]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.747144][  T393]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.747146][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747148][  T393]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.747152][  T393]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.747154][  T393]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.747157][  T393]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.747161][  T393]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.747164][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.747166][  T393]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.747170][  T393]  _printk (kernel/printk/printk.c:2504)
[   15.747173][  T393]  ? snapshot_read.cold (user.c:?)
[   15.747177][  T393]  ? br_multicast_flood (??:?) bridge
[   15.747190][  T393]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.747191][  T393]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.747192][  T393]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.747196][  T393] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.747207][  T393] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.747215][  T393] new_nbp (net/bridge/br_if.c:449) bridge
[   15.747224][  T393] br_add_if (net/bridge/br_if.c:592) bridge
[   15.747231][  T393]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.747235][  T393]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.747238][  T393]  ? __kernel_text_address (kernel/extable.c:79)
[   15.747242][  T393]  do_set_master (net/core/rtnetlink.c:3071)
[   15.747246][  T393]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.747249][  T393]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.747252][  T393]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.747254][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.747255][  T393]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.747259][  T393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.747262][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.747263][  T393]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.747266][  T393]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.747269][  T393]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.747270][  T393]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.747273][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.747275][  T393]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   15.747278][  T393]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.747283][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.747287][  T393]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.747289][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747291][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.747293][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747295][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747297][  T393]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.747301][  T393]  ? __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)
[   15.747304][  T393]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.747306][  T393]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.747309][  T393]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.747311][  T393]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.747316][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.747321][  T393]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.747326][  T393]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.747328][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.747332][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.747334][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.747336][  T393]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.747338][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.747347][  T393]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.747350][  T393]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.747352][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.747354][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.747358][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.747360][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.747364][  T393]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.747366][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.747368][  T393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.747374][  T393]  ? 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))
[   15.747376][  T393]  ? 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))
[   15.747380][  T393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.747383][  T393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.747386][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.747390][  T393]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.747394][  T393]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.747397][  T393]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.747403][  T393]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.747405][  T393]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.747407][  T393]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.747409][  T393]  ? move_addr_to_kernel (net/socket.c:258)
[   15.747416][  T393]  ___sys_sendmsg (net/socket.c:2767)
[   15.747418][  T393]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.747434][  T393]  __sys_sendmsg (net/socket.c:2799)
[   15.747437][  T393]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.747443][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747446][  T393]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.747448][  T393]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.747451][  T393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.747454][  T393] RIP: 0033:0x7f03ed37354e
[   15.747457][  T393] 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
[   15.747459][  T393] RSP: 002b:00007ffce31ca990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.747462][  T393] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f03ed37354e
[   15.747463][  T393] RDX: 0000000000000000 RSI: 00007ffce31caa40 RDI: 0000000000000005
[   15.747464][  T393] RBP: 00007ffce31ca9a0 R08: 0000000000000000 R09: 0000000000000000
[   15.747465][  T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b852
[   15.747466][  T393] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce31cb100
| [   16.776756][  T439] softirqs last disabled at (16578): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.776760][  T439] Preemption disabled at:
| [   16.776760][  T439] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.776772][  T439] Tainted: [W]=WARN
[   16.776774][  T439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.776776][  T439] Call Trace:
[   16.776778][  T439]  <TASK>
[   16.776780][  T439]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.776787][  T439]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.776790][  T439]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.776798][  T439]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.776804][  T439]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.776811][  T439]  __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))
[   16.776815][  T439]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.776823][  T439]  ? 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)
[   16.776827][  T439]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.776832][  T439]  put_chars (drivers/char/virtio_console.c:1176)
[   16.776834][  T439]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   16.776837][  T439]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.776843][  T439]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.776848][  T439]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.776851][  T439]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.776857][  T439]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.776861][  T439]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.776864][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.776866][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.776873][  T439]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.776876][  T439]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.776881][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.776885][  T439]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.776892][  T439]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.776898][  T439]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.776900][  T439]  ? 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))
[   16.776905][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.776909][  T439]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.776916][  T439]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.776922][  T439]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.776925][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.776934][  T439]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.776938][  T439]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.776940][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.776944][  T439]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.776950][  T439]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.776953][  T439]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.776958][  T439]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.776964][  T439]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.776968][  T439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.776976][  T439]  _printk (kernel/printk/printk.c:2504)
[   16.776981][  T439]  ? snapshot_read.cold (user.c:?)
[   16.776987][  T439]  ? br_multicast_flood (??:?) bridge
[   16.777005][  T439]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.777007][  T439]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.777009][  T439]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.777017][  T439] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.777034][  T439] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.777048][  T439] new_nbp (net/bridge/br_if.c:449) bridge
[   16.777064][  T439] br_add_if (net/bridge/br_if.c:592) bridge
[   16.777076][  T439]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   16.777081][  T439]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.777085][  T439]  ? __kernel_text_address (kernel/extable.c:79)
[   16.777091][  T439]  do_set_master (net/core/rtnetlink.c:3071)
[   16.777098][  T439]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.777103][  T439]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.777107][  T439]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.777109][  T439]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.777112][  T439]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.777117][  T439]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.777120][  T439]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.777123][  T439]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.777127][  T439]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.777131][  T439]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.777133][  T439]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.777138][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.777141][  T439]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   16.777145][  T439]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.777152][  T439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.777154][  T439]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.777159][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.777162][  T439]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.777164][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.777167][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.777170][  T439]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.777176][  T439]  ? __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)
[   16.777180][  T439]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.777183][  T439]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.777189][  T439]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.777191][  T439]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.777199][  T439]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.777209][  T439]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.777218][  T439]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.777221][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.777228][  T439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.777231][  T439]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.777234][  T439]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.777237][  T439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.777243][  T439]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.777247][  T439]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.777251][  T439]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.777253][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.777262][  T439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.777264][  T439]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.777270][  T439]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.777272][  T439]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.777277][  T439]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.777289][  T439]  ? 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))
[   16.777291][  T439]  ? 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))
[   16.777298][  T439]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.777304][  T439]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.777309][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.777316][  T439]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.777322][  T439]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.777329][  T439]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.777337][  T439]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.777340][  T439]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.777349][  T439]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.777352][  T439]  ? move_addr_to_kernel (net/socket.c:258)
[   16.777365][  T439]  ___sys_sendmsg (net/socket.c:2767)
[   16.777369][  T439]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.777397][  T439]  __sys_sendmsg (net/socket.c:2799)
[   16.777401][  T439]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.777411][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.777417][  T439]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.777420][  T439]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.777425][  T439]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.777428][  T439] RIP: 0033:0x7f997549b54e
[   16.777432][  T439] 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
[   16.777435][  T439] RSP: 002b:00007ffea3ab51a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.777438][  T439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f997549b54e
[   16.777440][  T439] RDX: 0000000000000000 RSI: 00007ffea3ab5250 RDI: 0000000000000005
[   16.777442][  T439] RBP: 00007ffea3ab51b0 R08: 0000000000000000 R09: 0000000000000000
[   16.777443][  T439] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b853
[   16.777444][  T439] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea3ab5910
| [   25.280249][   T12] softirqs last disabled at (60064): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [   25.280253][   T12] Preemption disabled at:
| [   25.280254][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.280263][   T12] Tainted: [W]=WARN
[   25.280264][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.280266][   T12] Workqueue: netns cleanup_net
[   25.280269][   T12] Call Trace:
[   25.280271][   T12]  <TASK>
[   25.280272][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.280278][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.280280][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.280285][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.280289][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.280294][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.280297][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.280302][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.280305][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.280308][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   25.280311][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.280315][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   25.280319][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.280322][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.280323][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.280328][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.280329][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.280333][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.280337][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.280341][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.280345][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.280347][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   25.280350][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.280352][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.280356][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.280361][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.280362][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.280368][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.280370][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.280372][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.280379][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.280383][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.280384][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.280388][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.280392][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.280393][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   25.280395][   T12]  ? kthread (kernel/kthread.c:436)
[   25.280397][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   25.280400][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   25.280405][   T12]  _printk (kernel/printk/printk.c:2504)
[   25.280408][   T12]  ? snapshot_read.cold (user.c:?)
[   25.280413][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.280416][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.280420][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.280422][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   25.280426][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.280429][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   25.280432][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   25.280433][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.280435][   T12]  ? 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)
[   25.280439][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   25.280444][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   25.280447][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   25.280462][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   25.280471][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   25.280479][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   25.280483][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.280487][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   25.280489][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.280492][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   25.280497][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   25.280500][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.280504][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.280506][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.280510][   T12]  process_one_work (kernel/workqueue.c:3387)
[   25.280516][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   25.280519][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.280527][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   25.280534][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.280536][   T12]  kthread (kernel/kthread.c:436)
[   25.280537][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.280540][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.280543][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.280546][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   25.280549][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.280552][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.280555][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.326119][  T568] softirqs last disabled at (20652): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   26.326128][  T568] Preemption disabled at:
| [   26.326128][  T568] 0x0
| [   26.326138][  T568] Tainted: [W]=WARN
[   26.326139][  T568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.326141][  T568] Call Trace:
[   26.326142][  T568]  <TASK>
[   26.326144][  T568]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.326151][  T568]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.326155][  T568]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.326160][  T568]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.326165][  T568]  __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))
[   26.326167][  T568]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.326172][  T568]  ? 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)
[   26.326175][  T568]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.326178][  T568]  put_chars (drivers/char/virtio_console.c:1176)
[   26.326181][  T568]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.326184][  T568]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.326188][  T568]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.326191][  T568]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.326194][  T568]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.326197][  T568]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.326199][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.326201][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.326205][  T568]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.326206][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.326210][  T568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.326214][  T568]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.326218][  T568]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.326220][  T568]  ? 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))
[   26.326223][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.326225][  T568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.326229][  T568]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.326234][  T568]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.326235][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.326241][  T568]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.326243][  T568]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.326245][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.326248][  T568]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.326251][  T568]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.326253][  T568]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.326257][  T568]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.326261][  T568]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.326263][  T568]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.326265][  T568]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.326268][  T568]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.326272][  T568]  _printk (kernel/printk/printk.c:2504)
[   26.326275][  T568]  ? snapshot_read.cold (user.c:?)
[   26.326283][  T568] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   26.326294][  T568] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   26.326303][  T568] br_device_event (net/bridge/br.c:111) bridge
[   26.326311][  T568]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   26.326315][  T568]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   26.326321][  T568]  notifier_call_chain (kernel/notifier.c:85)
[   26.326327][  T568]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   26.326332][  T568]  ? netif_change_name (net/core/dev.c:1517)
[   26.326335][  T568]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   26.326338][  T568]  ? __kernel_text_address (kernel/extable.c:79)
[   26.326341][  T568]  ? write_profile (profile.c:?)
[   26.326343][  T568]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.326348][  T568]  netif_change_flags (net/core/dev.c:9882)
[   26.326352][  T568]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   26.326355][  T568]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.326357][  T568]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.326358][  T568]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.326360][  T568]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.326364][  T568]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.326367][  T568]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.326368][  T568]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.326371][  T568]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.326374][  T568]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.326376][  T568]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.326384][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.326386][  T568]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   26.326389][  T568]  ? ___sys_sendmsg (net/socket.c:2757)
[   26.326394][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.326395][  T568]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.326398][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.326401][  T568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.326402][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.326404][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.326406][  T568]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.326410][  T568]  ? __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)
[   26.326412][  T568]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.326414][  T568]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.326417][  T568]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.326423][  T568]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.326428][  T568]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.326433][  T568]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.326435][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.326439][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.326441][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.326443][  T568]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.326445][  T568]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.326449][  T568]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.326451][  T568]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.326454][  T568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.326455][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.326460][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.326462][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.326465][  T568]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.326467][  T568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.326470][  T568]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.326476][  T568]  ? 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))
[   26.326477][  T568]  ? 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))
[   26.326481][  T568]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.326485][  T568]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.326488][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.326492][  T568]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.326496][  T568]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.326500][  T568]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.326505][  T568]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.326507][  T568]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.326510][  T568]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   26.326511][  T568]  ? move_addr_to_kernel (net/socket.c:258)
[   26.326519][  T568]  ___sys_sendmsg (net/socket.c:2767)
[   26.326522][  T568]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.326537][  T568]  __sys_sendmsg (net/socket.c:2799)
[   26.326540][  T568]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.326546][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.326550][  T568]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.326552][  T568]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.326555][  T568]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.326558][  T568] RIP: 0033:0x7f24f36fd54e
[   26.326560][  T568] 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
[   26.326562][  T568] RSP: 002b:00007fff2dfc87e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.326565][  T568] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f24f36fd54e
[   26.326566][  T568] RDX: 0000000000000000 RSI: 00007fff2dfc8890 RDI: 0000000000000005
[   26.326567][  T568] RBP: 00007fff2dfc87f0 R08: 0000000000000000 R09: 0000000000000000
[   26.326568][  T568] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b85c


Finger prints:
vxlan_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
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