======================================
| [   10.434063][  T222] softirqs last disabled at (15543): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.434065][  T222] Preemption disabled at:
| [   10.434066][  T222] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.434075][  T222] Tainted: [W]=WARN
[   10.434075][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.434077][  T222] Call Trace:
[   10.434078][  T222]  <TASK>
[   10.434080][  T222]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.434089][  T222]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.434091][  T222]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.434095][  T222]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.434099][  T222]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.434105][  T222]  __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))
[   10.434107][  T222]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.434113][  T222]  ? 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)
[   10.434115][  T222]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.434119][  T222]  put_chars (drivers/char/virtio_console.c:1176)
[   10.434121][  T222]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.434123][  T222]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.434127][  T222]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.434130][  T222]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.434134][  T222]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.434137][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.434142][  T222]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.434144][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.434149][  T222]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.434153][  T222]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.434154][  T222]  ? 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))
[   10.434157][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.434160][  T222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.434164][  T222]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.434168][  T222]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.434169][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.434174][  T222]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.434177][  T222]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.434179][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.434181][  T222]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.434185][  T222]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.434186][  T222]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.434190][  T222]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.434193][  T222]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.434199][  T222]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.434203][  T222]  _printk (kernel/printk/printk.c:2504)
[   10.434206][  T222]  ? snapshot_read.cold (user.c:?)
[   10.434212][  T222]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   10.434215][  T222] 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
[   10.434218][  T222]  do_one_initcall (init/main.c:1357)
[   10.434220][  T222]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.434225][  T222]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.434228][  T222]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.434232][  T222]  do_init_module (kernel/module/main.c:3117)
[   10.434236][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.434240][  T222]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.434243][  T222]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.434247][  T222]  load_module (kernel/module/main.c:3593)
[   10.434254][  T222]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.434258][  T222]  ? __ia32_sys_fsconfig (??:?)
[   10.434261][  T222]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.434265][  T222]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.434268][  T222]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.434272][  T222]  init_module_from_file (kernel/module/main.c:3790)
[   10.434275][  T222]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.434282][  T222]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.434286][  T222]  ? 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)
[   10.434289][  T222]  idempotent_init_module (kernel/module/main.c:3802)
[   10.434292][  T222]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.434298][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.434301][  T222]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.434306][  T222]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.434309][  T222]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.434312][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.434314][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.434317][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.434319][  T222] RIP: 0033:0x7f481b4e737d
[   10.434322][  T222] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.434324][  T222] RSP: 002b:00007ffc7028eee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.434327][  T222] RAX: ffffffffffffffda RBX: 000055cab4856810 RCX: 00007f481b4e737d
[   10.434328][  T222] RDX: 0000000000000000 RSI: 000055ca9fcb6ffd RDI: 0000000000000000
[   10.434329][  T222] RBP: 00007ffc7028ef80 R08: 0000000000000000 R09: 0000000000000000
[   10.434330][  T222] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ca9fcb6ffd
[   10.434331][  T222] R13: 000055cab4856960 R14: 0000000000040000 R15: 0000000000000000
| [   11.449835][   T39] softirqs last disabled at (10192): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   11.449843][   T39] Preemption disabled at:
| [   11.449844][   T39] 0x0
| [   11.449854][   T39] Tainted: [W]=WARN
[   11.449855][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.449856][   T39] Workqueue: events_unbound linkwatch_event
[   11.449860][   T39] Call Trace:
[   11.449862][   T39]  <TASK>
[   11.449863][   T39]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.449870][   T39]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.449875][   T39]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.449879][   T39]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.449884][   T39]  __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))
[   11.449887][   T39]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.449892][   T39]  ? 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)
[   11.449895][   T39]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.449898][   T39]  put_chars (drivers/char/virtio_console.c:1176)
[   11.449900][   T39]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.449902][   T39]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.449906][   T39]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.449910][   T39]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.449912][   T39]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.449914][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.449916][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.449920][   T39]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.449921][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.449925][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.449929][   T39]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.449933][   T39]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.449935][   T39]  ? 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))
[   11.449938][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.449942][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.449946][   T39]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.449950][   T39]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.449952][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.449957][   T39]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.449960][   T39]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.449962][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.449964][   T39]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.449968][   T39]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.449970][   T39]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.449973][   T39]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.449977][   T39]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.449983][   T39]  _printk (kernel/printk/printk.c:2504)
[   11.449987][   T39]  ? snapshot_read.cold (user.c:?)
[   11.449992][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.449996][   T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.450005][   T39] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.450013][   T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   11.450020][   T39] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   11.450028][   T39] br_device_event (net/bridge/br.c:101) bridge
[   11.450037][   T39]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   11.450038][   T39]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   11.450045][   T39]  notifier_call_chain (kernel/notifier.c:85)
[   11.450051][   T39]  netif_state_change (net/core/dev.c:1625)
[   11.450056][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   11.450060][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.450063][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.450066][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.450068][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.450072][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.450075][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   11.450078][   T39]  process_one_work (kernel/workqueue.c:3387)
[   11.450088][   T39]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   11.450090][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.450098][   T39]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   11.450105][   T39]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.450107][   T39]  kthread (kernel/kthread.c:436)
[   11.450109][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.450112][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.450115][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.450119][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   11.450122][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.450125][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.450128][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.425016][  T325] softirqs last disabled at (14818): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   19.425019][  T325] Preemption disabled at:
| [   19.425019][  T325] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.425029][  T325] Tainted: [W]=WARN
[   19.425030][  T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.425031][  T325] Call Trace:
[   19.425033][  T325]  <TASK>
[   19.425034][  T325]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.425040][  T325]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.425042][  T325]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.425047][  T325]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.425052][  T325]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.425057][  T325]  __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))
[   19.425059][  T325]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.425065][  T325]  ? 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)
[   19.425068][  T325]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.425071][  T325]  put_chars (drivers/char/virtio_console.c:1176)
[   19.425074][  T325]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.425075][  T325]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.425080][  T325]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.425087][  T325]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.425094][  T325]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.425096][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.425098][  T325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.425102][  T325]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.425106][  T325]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.425108][  T325]  ? 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))
[   19.425111][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.425113][  T325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.425117][  T325]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.425121][  T325]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.425123][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.425128][  T325]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.425131][  T325]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.425133][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.425135][  T325]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.425138][  T325]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.425140][  T325]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.425143][  T325]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.425147][  T325]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.425149][  T325]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.425151][  T325]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.425154][  T325]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.425155][  T325]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.425157][  T325]  ? ___sys_sendmsg (net/socket.c:2767)
[   19.425159][  T325]  ? __sys_sendmsg (net/socket.c:2799)
[   19.425161][  T325]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.425166][  T325]  _printk (kernel/printk/printk.c:2504)
[   19.425170][  T325]  ? snapshot_read.cold (user.c:?)
[   19.425174][  T325]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.425177][  T325]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.425181][  T325]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.425183][  T325]  ? netdev_notice (net/core/dev.c:13194)
[   19.425187][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.425189][  T325]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   19.425192][  T325]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   19.425193][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.425195][  T325]  ? 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)
[   19.425199][  T325]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   19.425203][  T325]  dev_set_allmulti (net/core/dev_api.c:315)
[   19.425207][  T325] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   19.425220][  T325]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   19.425226][  T325] br_del_if (net/bridge/br_if.c:732) bridge
[   19.425233][  T325]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.425237][  T325]  do_set_master (net/core/rtnetlink.c:3055)
[   19.425241][  T325]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   19.425244][  T325]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.425248][  T325]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.425249][  T325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.425252][  T325]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.425255][  T325]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.425258][  T325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.425259][  T325]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.425262][  T325]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.425265][  T325]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.425267][  T325]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.425269][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.425271][  T325]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   19.425273][  T325]  ? ___sys_sendmsg (net/socket.c:2757)
[   19.425277][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.425279][  T325]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.425281][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.425284][  T325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.425285][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.425287][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.425289][  T325]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.425292][  T325]  ? __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)
[   19.425294][  T325]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.425296][  T325]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.425300][  T325]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.425301][  T325]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.425306][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.425311][  T325]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.425316][  T325]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.425318][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.425322][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.425324][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.425326][  T325]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.425328][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.425332][  T325]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.425334][  T325]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.425337][  T325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.425338][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.425343][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.425345][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.425348][  T325]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.425350][  T325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.425352][  T325]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.425358][  T325]  ? 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))
[   19.425360][  T325]  ? 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))
[   19.425364][  T325]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.425368][  T325]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.425371][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.425374][  T325]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.425378][  T325]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.425382][  T325]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.425387][  T325]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.425390][  T325]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.425392][  T325]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.425394][  T325]  ? move_addr_to_kernel (net/socket.c:258)
[   19.425401][  T325]  ___sys_sendmsg (net/socket.c:2767)
[   19.425403][  T325]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.425418][  T325]  __sys_sendmsg (net/socket.c:2799)
[   19.425421][  T325]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.425427][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.425430][  T325]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.425432][  T325]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.425435][  T325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.425437][  T325] RIP: 0033:0x7f2fce0ee54e
[   19.425441][  T325] 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
[   19.425443][  T325] RSP: 002b:00007ffc50d74820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.425446][  T325] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2fce0ee54e
[   19.425447][  T325] RDX: 0000000000000000 RSI: 00007ffc50d748d0 RDI: 0000000000000005
[   19.425448][  T325] RBP: 00007ffc50d74830 R08: 0000000000000000 R09: 0000000000000000
[   19.425449][  T325] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e3e
[   19.425450][  T325] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc50d74f90
| [   21.554048][  T328] softirqs last disabled at (20834): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   21.554051][  T328] Preemption disabled at:
| [   21.554052][  T328] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.554061][  T328] Tainted: [W]=WARN
[   21.554062][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.554064][  T328] Call Trace:
[   21.554066][  T328]  <TASK>
[   21.554067][  T328]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.554073][  T328]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.554076][  T328]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.554084][  T328]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.554090][  T328]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.554095][  T328]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.554098][  T328]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.554103][  T328]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.554106][  T328]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.554109][  T328]  put_chars (drivers/char/virtio_console.c:1176)
[   21.554111][  T328]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   21.554113][  T328]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.554116][  T328]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.554120][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.554122][  T328]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.554126][  T328]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.554129][  T328]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.554131][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.554132][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.554136][  T328]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.554138][  T328]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   21.554141][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.554144][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.554148][  T328]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.554151][  T328]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.554153][  T328]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   21.554156][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.554159][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.554163][  T328]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.554167][  T328]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.554168][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.554173][  T328]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.554176][  T328]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.554178][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.554180][  T328]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.554184][  T328]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.554186][  T328]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.554189][  T328]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.554193][  T328]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.554195][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.554198][  T328]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.554201][  T328]  _printk (kernel/printk/printk.c:2504)
[   21.554205][  T328]  ? snapshot_read.cold (user.c:?)
[   21.554209][  T328]  ? br_multicast_flood (??:?) bridge
[   21.554222][  T328]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   21.554223][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.554224][  T328]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.554229][  T328] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   21.554239][  T328] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   21.554247][  T328] new_nbp (net/bridge/br_if.c:449) bridge
[   21.554256][  T328] br_add_if (net/bridge/br_if.c:592) bridge
[   21.554264][  T328]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   21.554269][  T328]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   21.554273][  T328]  ? __kernel_text_address (kernel/extable.c:79)
[   21.554278][  T328]  do_set_master (net/core/rtnetlink.c:3071)
[   21.554283][  T328]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   21.554286][  T328]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.554289][  T328]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.554290][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.554292][  T328]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.554296][  T328]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.554298][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.554300][  T328]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.554303][  T328]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.554306][  T328]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.554307][  T328]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.554310][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.554312][  T328]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   21.554315][  T328]  ? ___sys_sendmsg (net/socket.c:2757)
[   21.554319][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.554321][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.554324][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.554326][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.554328][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.554330][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.554332][  T328]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.554336][  T328]  ? __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)
[   21.554339][  T328]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.554341][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.554344][  T328]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.554346][  T328]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.554351][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.554356][  T328]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.554361][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.554363][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.554367][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.554369][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.554371][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.554373][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.554377][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.554379][  T328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.554382][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.554383][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.554387][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.554389][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.554393][  T328]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.554394][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.554397][  T328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.554403][  T328]  ? 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))
[   21.554404][  T328]  ? 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))
[   21.554409][  T328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.554412][  T328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.554415][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.554419][  T328]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.554422][  T328]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.554426][  T328]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.554431][  T328]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.554434][  T328]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.554436][  T328]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.554438][  T328]  ? move_addr_to_kernel (net/socket.c:258)
[   21.554445][  T328]  ___sys_sendmsg (net/socket.c:2767)
[   21.554447][  T328]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.554462][  T328]  __sys_sendmsg (net/socket.c:2799)
[   21.554465][  T328]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.554471][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.554475][  T328]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.554477][  T328]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.554481][  T328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.554483][  T328] RIP: 0033:0x7fd22106f54e
[   21.554487][  T328] 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
[   21.554489][  T328] RSP: 002b:00007ffecd7a8db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.554491][  T328] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd22106f54e
[   21.554493][  T328] RDX: 0000000000000000 RSI: 00007ffecd7a8e60 RDI: 0000000000000005
[   21.554494][  T328] RBP: 00007ffecd7a8dc0 R08: 0000000000000000 R09: 0000000000000000
[   21.554495][  T328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e40
[   21.554495][  T328] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffecd7a9520
| [   24.160897][  T375] softirqs last disabled at (22020): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   24.160905][  T375] Preemption disabled at:
| [   24.160906][  T375] 0x0
| [   24.160915][  T375] Tainted: [W]=WARN
[   24.160916][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.160918][  T375] Call Trace:
[   24.160919][  T375]  <TASK>
[   24.160921][  T375]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.160927][  T375]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.160932][  T375]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.160936][  T375]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.160941][  T375]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.160944][  T375]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.160950][  T375]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.160952][  T375]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.160955][  T375]  put_chars (drivers/char/virtio_console.c:1176)
[   24.160958][  T375]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.160961][  T375]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.160965][  T375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.160967][  T375]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.160971][  T375]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.160974][  T375]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.160976][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.160977][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.160981][  T375]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.160983][  T375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.160987][  T375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.160992][  T375]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.160996][  T375]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.160998][  T375]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.161001][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.161003][  T375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.161007][  T375]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.161011][  T375]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.161013][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.161018][  T375]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.161021][  T375]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.161023][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.161025][  T375]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.161029][  T375]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.161030][  T375]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.161034][  T375]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.161038][  T375]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.161040][  T375]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.161042][  T375]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.161045][  T375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.161048][  T375]  _printk (kernel/printk/printk.c:2504)
[   24.161052][  T375]  ? snapshot_read.cold (user.c:?)
[   24.161059][  T375] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   24.161069][  T375] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   24.161078][  T375] br_device_event (net/bridge/br.c:111) bridge
[   24.161085][  T375]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   24.161089][  T375]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   24.161095][  T375]  notifier_call_chain (kernel/notifier.c:85)
[   24.161100][  T375]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   24.161105][  T375]  ? netif_change_name (net/core/dev.c:1517)
[   24.161109][  T375]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   24.161112][  T375]  ? __kernel_text_address (kernel/extable.c:79)
[   24.161114][  T375]  ? write_profile (profile.c:?)
[   24.161116][  T375]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.161121][  T375]  netif_change_flags (net/core/dev.c:9882)
[   24.161125][  T375]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   24.161128][  T375]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.161130][  T375]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.161131][  T375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.161133][  T375]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.161137][  T375]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.161139][  T375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.161141][  T375]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.161144][  T375]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.161147][  T375]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.161148][  T375]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.161151][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.161153][  T375]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   24.161156][  T375]  ? ___sys_sendmsg (net/socket.c:2757)
[   24.161160][  T375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.161162][  T375]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.161165][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.161167][  T375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.161169][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.161170][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.161173][  T375]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.161177][  T375]  ? __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)
[   24.161178][  T375]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.161180][  T375]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.161184][  T375]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.161185][  T375]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.161190][  T375]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.161195][  T375]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.161200][  T375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.161202][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.161206][  T375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.161208][  T375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.161210][  T375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.161212][  T375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.161216][  T375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.161218][  T375]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.161221][  T375]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.161222][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.161227][  T375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.161228][  T375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.161232][  T375]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.161233][  T375]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.161236][  T375]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.161242][  T375]  ? 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))
[   24.161244][  T375]  ? 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))
[   24.161248][  T375]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.161252][  T375]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.161254][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.161258][  T375]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.161262][  T375]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.161266][  T375]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.161271][  T375]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.161273][  T375]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.161276][  T375]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.161277][  T375]  ? move_addr_to_kernel (net/socket.c:258)
[   24.161284][  T375]  ___sys_sendmsg (net/socket.c:2767)
[   24.161287][  T375]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.161303][  T375]  __sys_sendmsg (net/socket.c:2799)
[   24.161305][  T375]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.161311][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.161315][  T375]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.161318][  T375]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.161321][  T375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.161323][  T375] RIP: 0033:0x7f025c54b54e
[   24.161325][  T375] 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
[   24.161327][  T375] RSP: 002b:00007fffa46b1a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.161329][  T375] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f025c54b54e
[   24.161331][  T375] RDX: 0000000000000000 RSI: 00007fffa46b1b30 RDI: 0000000000000005
[   24.161332][  T375] RBP: 00007fffa46b1a90 R08: 0000000000000000 R09: 0000000000000000
[   24.161332][  T375] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e43


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