======================================
| [   10.486546][  T188] softirqs last disabled at (39486): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.486548][  T188] Preemption disabled at:
| [   10.486549][  T188] 0x0
| [   10.486559][  T188] Tainted: [W]=WARN
[   10.486559][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.486561][  T188] Call Trace:
[   10.486563][  T188]  <TASK>
[   10.486564][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.486571][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.486575][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.486579][  T188]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.486585][  T188]  __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))
[   10.486587][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.486592][  T188]  ? 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)
[   10.486595][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.486598][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[   10.486601][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.486603][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.486607][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.486612][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.486619][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.486621][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.486623][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.486627][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.486631][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.486633][  T188]  ? 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))
[   10.486636][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.486638][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.486642][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.486647][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.486648][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.486654][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.486656][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.486658][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.486661][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.486664][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.486666][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.486669][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.486673][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.486677][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.486680][  T188]  _printk (kernel/printk/printk.c:2504)
[   10.486684][  T188]  ? snapshot_read.cold (user.c:?)
[   10.486687][  T188]  ? 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)
[   10.486689][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.486693][  T188]  ? 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)
[   10.486696][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.486700][  T188]  ? exit_notify (kernel/exit.c:780)
[   10.486702][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.486704][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.486708][  T188]  do_group_exit (kernel/exit.c:1151)
[   10.486711][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.486713][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.486715][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.486718][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.486721][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.486723][  T188] RIP: 0033:0x7f84e54c11b8
[   10.486725][  T188] Code: Unable to access opcode bytes at 0x7f84e54c118e.

Code starting with the faulting instruction
===========================================
[   10.486726][  T188] RSP: 002b:00007ffda616de18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.486729][  T188] RAX: ffffffffffffffda RBX: 00007f84e55f1f88 RCX: 00007f84e54c11b8
[   10.486730][  T188] RDX: 00007f84e520bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.486731][  T188] RBP: 00007ffda616de70 R08: 0000000000000000 R09: 0000000000008010
[   10.486732][  T188] R10: 00007ffda616dc30 R11: 0000000000000246 R12: 0000000000000001
[   10.486732][  T188] R13: 0000000000000000 R14: 00007f84e55f0680 R15: 00007f84e55f1fa0
| [   11.672107][  T238] softirqs last disabled at (23101): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.672109][  T238] Preemption disabled at:
| [   11.672110][  T238] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.672119][  T238] Tainted: [W]=WARN
[   11.672120][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.672122][  T238] Call Trace:
[   11.672123][  T238]  <TASK>
[   11.672125][  T238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.672130][  T238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.672132][  T238]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.672137][  T238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.672141][  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)
[   11.672146][  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))
[   11.672149][  T238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.672154][  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)
[   11.672157][  T238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.672160][  T238]  put_chars (drivers/char/virtio_console.c:1176)
[   11.672162][  T238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.672164][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.672168][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.672171][  T238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.672175][  T238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.672177][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.672182][  T238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.672185][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.672190][  T238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.672193][  T238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.672195][  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))
[   11.672198][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.672200][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.672204][  T238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.672208][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.672210][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.672215][  T238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.672217][  T238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.672219][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.672221][  T238]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.672225][  T238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.672227][  T238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.672230][  T238]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.672234][  T238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.672239][  T238]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.672243][  T238]  _printk (kernel/printk/printk.c:2504)
[   11.672246][  T238]  ? snapshot_read.cold (user.c:?)
[   11.672252][  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)
[   11.672255][  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
[   11.672258][  T238]  do_one_initcall (init/main.c:1357)
[   11.672261][  T238]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.672265][  T238]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.672268][  T238]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.672273][  T238]  do_init_module (kernel/module/main.c:3117)
[   11.672277][  T238]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.672281][  T238]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.672284][  T238]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.672288][  T238]  load_module (kernel/module/main.c:3593)
[   11.672295][  T238]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.672298][  T238]  ? __ia32_sys_fsconfig (??:?)
[   11.672301][  T238]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.672305][  T238]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.672308][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.672312][  T238]  init_module_from_file (kernel/module/main.c:3790)
[   11.672315][  T238]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.672323][  T238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.672326][  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)
[   11.672329][  T238]  idempotent_init_module (kernel/module/main.c:3802)
[   11.672333][  T238]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.672338][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.672341][  T238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.672346][  T238]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.672348][  T238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.672352][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.672354][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.672356][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.672358][  T238] RIP: 0033:0x7feb7223537d
[   11.672362][  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
[   11.672364][  T238] RSP: 002b:00007fffd7ce9fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.672367][  T238] RAX: ffffffffffffffda RBX: 0000556305b10810 RCX: 00007feb7223537d
[   11.672368][  T238] RDX: 0000000000000000 RSI: 00005562fb4dfffd RDI: 0000000000000000
[   11.672369][  T238] RBP: 00007fffd7cea050 R08: 0000000000000000 R09: 0000000000000000
[   11.672370][  T238] R10: 0000000000000000 R11: 0000000000000246 R12: 00005562fb4dfffd
[   11.672370][  T238] R13: 0000556305b10960 R14: 0000000000040000 R15: 0000000000000000
| [   13.064782][  T286] softirqs last disabled at (14454): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.064784][  T286] Preemption disabled at:
| [   13.064785][  T286] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.064795][  T286] Tainted: [W]=WARN
[   13.064796][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.064798][  T286] Call Trace:
[   13.064799][  T286]  <TASK>
[   13.064801][  T286]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.064807][  T286]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.064809][  T286]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.064814][  T286]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.064818][  T286]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.064824][  T286]  __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))
[   13.064826][  T286]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.064831][  T286]  ? 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)
[   13.064834][  T286]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.064837][  T286]  put_chars (drivers/char/virtio_console.c:1176)
[   13.064840][  T286]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.064844][  T286]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.064848][  T286]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.064851][  T286]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.064853][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.064854][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.064858][  T286]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.064861][  T286]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.064864][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.064868][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.064872][  T286]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.064875][  T286]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.064877][  T286]  ? 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))
[   13.064880][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.064883][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.064887][  T286]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.064891][  T286]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.064893][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.064898][  T286]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.064901][  T286]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.064903][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.064905][  T286]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.064909][  T286]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.064911][  T286]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.064914][  T286]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.064918][  T286]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.064921][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.064922][  T286]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.064926][  T286]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.064930][  T286]  _printk (kernel/printk/printk.c:2504)
[   13.064933][  T286]  ? snapshot_read.cold (user.c:?)
[   13.064937][  T286]  ? br_multicast_flood (??:?) bridge
[   13.064950][  T286]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.064951][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.064952][  T286]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.064957][  T286] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.064967][  T286] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.064975][  T286] new_nbp (net/bridge/br_if.c:449) bridge
[   13.064984][  T286] br_add_if (net/bridge/br_if.c:592) bridge
[   13.064991][  T286]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.064995][  T286]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.064998][  T286]  ? __kernel_text_address (kernel/extable.c:79)
[   13.065002][  T286]  do_set_master (net/core/rtnetlink.c:3071)
[   13.065007][  T286]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.065010][  T286]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.065013][  T286]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.065014][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.065017][  T286]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.065020][  T286]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.065023][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.065025][  T286]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.065027][  T286]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.065030][  T286]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.065032][  T286]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.065035][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.065037][  T286]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   13.065040][  T286]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.065045][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.065047][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.065049][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.065052][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.065053][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.065055][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.065057][  T286]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.065061][  T286]  ? __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)
[   13.065063][  T286]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.065065][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.065068][  T286]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.065070][  T286]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.065075][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.065080][  T286]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.065085][  T286]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.065087][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.065091][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.065093][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.065095][  T286]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.065097][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.065101][  T286]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.065103][  T286]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.065106][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.065107][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.065112][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.065113][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.065117][  T286]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.065119][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.065122][  T286]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.065128][  T286]  ? 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))
[   13.065129][  T286]  ? 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))
[   13.065133][  T286]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.065137][  T286]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.065140][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.065144][  T286]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.065148][  T286]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.065151][  T286]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.065157][  T286]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.065159][  T286]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.065161][  T286]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.065163][  T286]  ? move_addr_to_kernel (net/socket.c:258)
[   13.065170][  T286]  ___sys_sendmsg (net/socket.c:2767)
[   13.065173][  T286]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.065189][  T286]  __sys_sendmsg (net/socket.c:2799)
[   13.065191][  T286]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.065198][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.065201][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.065204][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.065207][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.065209][  T286] RIP: 0033:0x7f3926fa454e
[   13.065212][  T286] 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
[   13.065214][  T286] RSP: 002b:00007fffcfd9f8f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.065217][  T286] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3926fa454e
[   13.065218][  T286] RDX: 0000000000000000 RSI: 00007fffcfd9f9a0 RDI: 0000000000000005
[   13.065219][  T286] RBP: 00007fffcfd9f900 R08: 0000000000000000 R09: 0000000000000000
[   13.065220][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91836f
[   13.065221][  T286] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcfda0060
| [   14.457852][  T337] softirqs last disabled at (19016): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.457854][  T337] Preemption disabled at:
| [   14.457855][  T337] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.457864][  T337] Tainted: [W]=WARN
[   14.457865][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.457867][  T337] Call Trace:
[   14.457869][  T337]  <TASK>
[   14.457871][  T337]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.457877][  T337]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.457879][  T337]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.457884][  T337]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.457888][  T337]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.457893][  T337]  __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))
[   14.457895][  T337]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.457901][  T337]  ? 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)
[   14.457904][  T337]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.457907][  T337]  put_chars (drivers/char/virtio_console.c:1176)
[   14.457909][  T337]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.457911][  T337]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.457914][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.457918][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.457921][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.457925][  T337]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.457928][  T337]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.457929][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.457931][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.457935][  T337]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.457937][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.457940][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.457943][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.457947][  T337]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.457951][  T337]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.457952][  T337]  ? 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))
[   14.457956][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.457958][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.457962][  T337]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.457966][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.457968][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.457973][  T337]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.457976][  T337]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.457978][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.457980][  T337]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.457984][  T337]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.457986][  T337]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.457989][  T337]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.457993][  T337]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.457996][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.457999][  T337]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.458002][  T337]  _printk (kernel/printk/printk.c:2504)
[   14.458006][  T337]  ? snapshot_read.cold (user.c:?)
[   14.458010][  T337]  ? br_multicast_flood (??:?) bridge
[   14.458023][  T337]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.458025][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.458026][  T337]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.458031][  T337] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.458041][  T337] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.458049][  T337] new_nbp (net/bridge/br_if.c:449) bridge
[   14.458059][  T337] br_add_if (net/bridge/br_if.c:592) bridge
[   14.458065][  T337]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.458070][  T337]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.458072][  T337]  ? __kernel_text_address (kernel/extable.c:79)
[   14.458076][  T337]  do_set_master (net/core/rtnetlink.c:3071)
[   14.458081][  T337]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.458084][  T337]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.458087][  T337]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.458088][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.458090][  T337]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.458094][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.458096][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.458098][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.458101][  T337]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.458104][  T337]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.458105][  T337]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.458108][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.458110][  T337]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.458113][  T337]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.458117][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.458119][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.458122][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.458124][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.458126][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.458128][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.458130][  T337]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.458133][  T337]  ? __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)
[   14.458137][  T337]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.458139][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.458142][  T337]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.458144][  T337]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.458149][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.458154][  T337]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.458159][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.458161][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.458166][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.458168][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.458169][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.458171][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.458175][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.458177][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.458180][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.458181][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.458186][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.458188][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.458191][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.458193][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.458196][  T337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.458202][  T337]  ? 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))
[   14.458203][  T337]  ? 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))
[   14.458208][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.458211][  T337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.458214][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.458218][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.458222][  T337]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.458226][  T337]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.458231][  T337]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.458233][  T337]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.458235][  T337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.458237][  T337]  ? move_addr_to_kernel (net/socket.c:258)
[   14.458244][  T337]  ___sys_sendmsg (net/socket.c:2767)
[   14.458247][  T337]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.458263][  T337]  __sys_sendmsg (net/socket.c:2799)
[   14.458266][  T337]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.458272][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.458276][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.458278][  T337]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.458281][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.458284][  T337] RIP: 0033:0x7ff028ab354e
[   14.458287][  T337] 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
[   14.458288][  T337] RSP: 002b:00007fffa2581440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.458291][  T337] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff028ab354e
[   14.458293][  T337] RDX: 0000000000000000 RSI: 00007fffa25814f0 RDI: 0000000000000005
[   14.458294][  T337] RBP: 00007fffa2581450 R08: 0000000000000000 R09: 0000000000000000
[   14.458294][  T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918370
[   14.458295][  T337] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa2581bb0
| [   15.688242][  T383] softirqs last disabled at (19308): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.688244][  T383] Preemption disabled at:
| [   15.688245][  T383] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.688253][  T383] Tainted: [W]=WARN
[   15.688254][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.688256][  T383] Call Trace:
[   15.688258][  T383]  <TASK>
[   15.688259][  T383]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.688265][  T383]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.688267][  T383]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.688271][  T383]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.688276][  T383]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.688281][  T383]  __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))
[   15.688283][  T383]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.688289][  T383]  ? 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)
[   15.688291][  T383]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.688294][  T383]  put_chars (drivers/char/virtio_console.c:1176)
[   15.688297][  T383]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.688299][  T383]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.688302][  T383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.688306][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.688308][  T383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.688312][  T383]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.688314][  T383]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.688316][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.688318][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.688321][  T383]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.688324][  T383]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.688327][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.688329][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.688333][  T383]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.688337][  T383]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.688338][  T383]  ? 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))
[   15.688341][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.688344][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.688348][  T383]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.688352][  T383]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.688354][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.688359][  T383]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.688361][  T383]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.688363][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.688365][  T383]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.688369][  T383]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.688371][  T383]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.688374][  T383]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.688378][  T383]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.688381][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.688383][  T383]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.688387][  T383]  _printk (kernel/printk/printk.c:2504)
[   15.688391][  T383]  ? snapshot_read.cold (user.c:?)
[   15.688394][  T383]  ? br_multicast_flood (??:?) bridge
[   15.688413][  T383]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.688414][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.688415][  T383]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.688420][  T383] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.688430][  T383] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.688438][  T383] new_nbp (net/bridge/br_if.c:449) bridge
[   15.688446][  T383] br_add_if (net/bridge/br_if.c:592) bridge
[   15.688453][  T383]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.688457][  T383]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.688460][  T383]  ? __kernel_text_address (kernel/extable.c:79)
[   15.688464][  T383]  do_set_master (net/core/rtnetlink.c:3071)
[   15.688468][  T383]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.688471][  T383]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.688475][  T383]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.688476][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.688478][  T383]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.688481][  T383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.688484][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.688485][  T383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.688488][  T383]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.688491][  T383]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.688492][  T383]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.688495][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.688496][  T383]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   15.688500][  T383]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.688504][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.688506][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.688508][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.688511][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.688512][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.688514][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.688516][  T383]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.688519][  T383]  ? __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)
[   15.688522][  T383]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.688524][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.688528][  T383]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.688529][  T383]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.688534][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.688539][  T383]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.688544][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.688546][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.688550][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.688552][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.688553][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.688555][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.688559][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.688561][  T383]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.688563][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.688565][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.688569][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.688571][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.688575][  T383]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.688576][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.688579][  T383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.688585][  T383]  ? 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))
[   15.688586][  T383]  ? 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))
[   15.688590][  T383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.688594][  T383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.688597][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.688600][  T383]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.688604][  T383]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.688608][  T383]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.688613][  T383]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.688615][  T383]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.688617][  T383]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.688619][  T383]  ? move_addr_to_kernel (net/socket.c:258)
[   15.688626][  T383]  ___sys_sendmsg (net/socket.c:2767)
[   15.688628][  T383]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.688643][  T383]  __sys_sendmsg (net/socket.c:2799)
[   15.688646][  T383]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.688652][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.688656][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.688658][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.688661][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.688663][  T383] RIP: 0033:0x7fb0f58b354e
[   15.688667][  T383] 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
[   15.688668][  T383] RSP: 002b:00007ffd74284630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.688671][  T383] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb0f58b354e
[   15.688672][  T383] RDX: 0000000000000000 RSI: 00007ffd742846e0 RDI: 0000000000000005
[   15.688673][  T383] RBP: 00007ffd74284640 R08: 0000000000000000 R09: 0000000000000000
[   15.688674][  T383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918371
[   15.688675][  T383] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd74284da0
| [   25.734979][   T12] softirqs last disabled at (31197): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   25.734982][   T12] Preemption disabled at:
| [   25.734982][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.734992][   T12] Tainted: [W]=WARN
[   25.734993][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.734995][   T12] Workqueue: netns cleanup_net
[   25.734998][   T12] Call Trace:
[   25.735000][   T12]  <TASK>
[   25.735002][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.735008][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.735010][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.735015][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.735019][   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)
[   25.735025][   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))
[   25.735027][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.735033][   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)
[   25.735036][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.735039][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   25.735042][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.735046][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   25.735050][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.735053][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.735055][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.735060][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.735061][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.735065][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.735069][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.735073][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.735077][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.735079][   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))
[   25.735082][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.735085][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.735089][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.735094][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.735096][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.735101][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.735104][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.735106][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.735109][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.735113][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.735114][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.735118][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.735122][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.735124][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   25.735126][   T12]  ? kthread (kernel/kthread.c:436)
[   25.735128][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   25.735130][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   25.735135][   T12]  _printk (kernel/printk/printk.c:2504)
[   25.735139][   T12]  ? snapshot_read.cold (user.c:?)
[   25.735144][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.735147][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.735151][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.735154][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   25.735158][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.735161][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   25.735164][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   25.735165][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.735167][   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)
[   25.735171][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   25.735176][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   25.735180][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   25.735197][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   25.735207][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   25.735215][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   25.735219][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.735223][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   25.735225][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.735228][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   25.735234][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   25.735237][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.735241][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.735243][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.735247][   T12]  process_one_work (kernel/workqueue.c:3387)
[   25.735254][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   25.735257][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.735265][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   25.735272][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.735274][   T12]  kthread (kernel/kthread.c:436)
[   25.735276][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.735279][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.735282][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.735285][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   25.735288][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.735291][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print