======================================
| [   11.283497][  T194] softirqs last disabled at (24805): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.283500][  T194] Preemption disabled at:
| [   11.283501][  T194] 0x0
| [   11.283514][  T194] Tainted: [W]=WARN
[   11.283515][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.283517][  T194] Call Trace:
[   11.283519][  T194]  <TASK>
[   11.283521][  T194]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.283529][  T194]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.283536][  T194]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.283541][  T194]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.283549][  T194]  __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))
[   11.283552][  T194]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.283561][  T194]  ? 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)
[   11.283564][  T194]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.283570][  T194]  put_chars (drivers/char/virtio_console.c:1176)
[   11.283574][  T194]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.283576][  T194]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.283583][  T194]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.283591][  T194]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.283602][  T194]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.283605][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.283609][  T194]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.283615][  T194]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.283622][  T194]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.283624][  T194]  ? 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))
[   11.283629][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.283633][  T194]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.283640][  T194]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.283646][  T194]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.283649][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.283658][  T194]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.283662][  T194]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.283665][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.283668][  T194]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.283674][  T194]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.283676][  T194]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.283682][  T194]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.283688][  T194]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.283693][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.283699][  T194]  _printk (kernel/printk/printk.c:2504)
[   11.283704][  T194]  ? snapshot_read.cold (user.c:?)
[   11.283709][  T194]  ? 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)
[   11.283713][  T194]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.283719][  T194]  ? 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)
[   11.283723][  T194]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.283729][  T194]  ? exit_notify (kernel/exit.c:780)
[   11.283734][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.283738][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.283745][  T194]  do_group_exit (kernel/exit.c:1151)
[   11.283750][  T194]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.283753][  T194]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.283755][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.283759][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.283764][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.283768][  T194] RIP: 0033:0x7fe3c5f091b8
[   11.283771][  T194] Code: Unable to access opcode bytes at 0x7fe3c5f0918e.

Code starting with the faulting instruction
===========================================
[   11.283772][  T194] RSP: 002b:00007fff3fa0b338 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.283776][  T194] RAX: ffffffffffffffda RBX: 00007fe3c6039f88 RCX: 00007fe3c5f091b8
[   11.283778][  T194] RDX: 00007fe3c5c53fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.283779][  T194] RBP: 00007fff3fa0b390 R08: 0000000000000000 R09: 0000000000008010
[   11.283780][  T194] R10: 00007fff3fa0b150 R11: 0000000000000246 R12: 0000000000000001
[   11.283782][  T194] R13: 0000000000000000 R14: 00007fe3c6038680 R15: 00007fe3c6039fa0
| [   12.587548][  T262] softirqs last disabled at (32011): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.587551][  T262] Preemption disabled at:
| [   12.587552][  T262] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.587561][  T262] Tainted: [W]=WARN
[   12.587562][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.587564][  T262] Call Trace:
[   12.587566][  T262]  <TASK>
[   12.587567][  T262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.587573][  T262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.587575][  T262]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.587580][  T262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.587584][  T262]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.587589][  T262]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.587592][  T262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.587598][  T262]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.587600][  T262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.587604][  T262]  put_chars (drivers/char/virtio_console.c:1176)
[   12.587607][  T262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.587608][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.587613][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.587615][  T262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.587620][  T262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.587623][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.587628][  T262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.587630][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.587635][  T262]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.587639][  T262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.587641][  T262]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.587644][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.587647][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.587651][  T262]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.587655][  T262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.587657][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.587662][  T262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.587665][  T262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.587667][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.587669][  T262]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.587673][  T262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.587674][  T262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.587678][  T262]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.587682][  T262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.587688][  T262]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   12.587692][  T262]  _printk (kernel/printk/printk.c:2504)
[   12.587696][  T262]  ? snapshot_read.cold (user.c:?)
[   12.587702][  T262]  ? 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)
[   12.587705][  T262] 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
[   12.587709][  T262]  do_one_initcall (init/main.c:1357)
[   12.587711][  T262]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.587716][  T262]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.587719][  T262]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.587724][  T262]  do_init_module (kernel/module/main.c:3117)
[   12.587728][  T262]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.587735][  T262]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.587738][  T262]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.587743][  T262]  load_module (kernel/module/main.c:3593)
[   12.587750][  T262]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.587754][  T262]  ? __ia32_sys_fsconfig (??:?)
[   12.587757][  T262]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   12.587761][  T262]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.587765][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.587769][  T262]  init_module_from_file (kernel/module/main.c:3790)
[   12.587772][  T262]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.587780][  T262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.587784][  T262]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.587787][  T262]  idempotent_init_module (kernel/module/main.c:3802)
[   12.587790][  T262]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.587796][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.587799][  T262]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.587805][  T262]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.587807][  T262]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.587811][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.587812][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.587815][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.587818][  T262] RIP: 0033:0x7fdb94c4d37d
[   12.587821][  T262] 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
[   12.587823][  T262] RSP: 002b:00007ffded988368 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.587826][  T262] RAX: ffffffffffffffda RBX: 000055f7f5fa7810 RCX: 00007fdb94c4d37d
[   12.587827][  T262] RDX: 0000000000000000 RSI: 000055f7d03a5ffd RDI: 0000000000000000
[   12.587828][  T262] RBP: 00007ffded988400 R08: 0000000000000000 R09: 0000000000000000
[   12.587829][  T262] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f7d03a5ffd
[   12.587830][  T262] R13: 000055f7f5fa7960 R14: 0000000000040000 R15: 0000000000000000
| [   13.752977][  T359] softirqs last disabled at (18703): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.752979][  T359] Preemption disabled at:
| [   13.752980][  T359] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.752989][  T359] Tainted: [W]=WARN
[   13.752990][  T359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.752992][  T359] Call Trace:
[   13.752993][  T359]  <TASK>
[   13.752995][  T359]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.753000][  T359]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.753003][  T359]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.753007][  T359]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.753011][  T359]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.753016][  T359]  __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))
[   13.753018][  T359]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.753024][  T359]  ? 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)
[   13.753026][  T359]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.753030][  T359]  put_chars (drivers/char/virtio_console.c:1176)
[   13.753032][  T359]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.753034][  T359]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.753039][  T359]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.753044][  T359]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.753050][  T359]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.753052][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.753054][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.753058][  T359]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.753062][  T359]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.753064][  T359]  ? 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))
[   13.753067][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.753069][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.753073][  T359]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.753077][  T359]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.753079][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.753085][  T359]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.753088][  T359]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.753090][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.753093][  T359]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.753097][  T359]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.753099][  T359]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.753102][  T359]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.753107][  T359]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.753113][  T359]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   13.753116][  T359]  _printk (kernel/printk/printk.c:2504)
[   13.753120][  T359]  ? snapshot_read.cold (user.c:?)
[   13.753126][  T359]  ? 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)
[   13.753130][  T359] init_u32 (net/sched/cls_u32.c:1370) cls_u32
[   13.753135][  T359]  do_one_initcall (init/main.c:1357)
[   13.753138][  T359]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.753142][  T359]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.753145][  T359]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.753150][  T359]  do_init_module (kernel/module/main.c:3117)
[   13.753154][  T359]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.753158][  T359]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.753161][  T359]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.753165][  T359]  load_module (kernel/module/main.c:3593)
[   13.753172][  T359]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.753176][  T359]  ? __ia32_sys_fsconfig (??:?)
[   13.753179][  T359]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   13.753183][  T359]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.753186][  T359]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.753190][  T359]  init_module_from_file (kernel/module/main.c:3790)
[   13.753193][  T359]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.753201][  T359]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.753204][  T359]  ? 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)
[   13.753207][  T359]  idempotent_init_module (kernel/module/main.c:3802)
[   13.753210][  T359]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.753217][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.753219][  T359]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.753225][  T359]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.753227][  T359]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.753231][  T359]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.753232][  T359]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.753235][  T359]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.753237][  T359] RIP: 0033:0x7f7afbc2e37d
[   13.753241][  T359] 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
[   13.753243][  T359] RSP: 002b:00007ffd87dcd4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.753245][  T359] RAX: ffffffffffffffda RBX: 00005613b40ca810 RCX: 00007f7afbc2e37d
[   13.753247][  T359] RDX: 0000000000000000 RSI: 000056138ac22ffd RDI: 0000000000000000
[   13.753247][  T359] RBP: 00007ffd87dcd580 R08: 0000000000000000 R09: 0000000000000000
[   13.753248][  T359] R10: 0000000000000000 R11: 0000000000000246 R12: 000056138ac22ffd
[   13.753249][  T359] R13: 00005613b40ca950 R14: 0000000000040000 R15: 0000000000000000
| [   14.920241][  T454] softirqs last disabled at (14800): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.920244][  T454] Preemption disabled at:
| [   14.920245][  T454] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.920254][  T454] Tainted: [W]=WARN
[   14.920255][  T454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.920257][  T454] Call Trace:
[   14.920259][  T454]  <TASK>
[   14.920261][  T454]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.920266][  T454]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.920269][  T454]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.920273][  T454]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.920277][  T454]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.920283][  T454]  __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))
[   14.920285][  T454]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.920291][  T454]  ? 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)
[   14.920294][  T454]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.920297][  T454]  put_chars (drivers/char/virtio_console.c:1176)
[   14.920299][  T454]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.920301][  T454]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.920304][  T454]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.920308][  T454]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.920311][  T454]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.920314][  T454]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.920317][  T454]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.920319][  T454]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.920321][  T454]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.920325][  T454]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.920327][  T454]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.920330][  T454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.920332][  T454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.920336][  T454]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.920340][  T454]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.920342][  T454]  ? 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))
[   14.920345][  T454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.920348][  T454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.920352][  T454]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.920356][  T454]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.920358][  T454]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.920363][  T454]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.920366][  T454]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.920368][  T454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.920370][  T454]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.920374][  T454]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.920375][  T454]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.920379][  T454]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.920383][  T454]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.920385][  T454]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.920388][  T454]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.920392][  T454]  _printk (kernel/printk/printk.c:2504)
[   14.920395][  T454]  ? snapshot_read.cold (user.c:?)
[   14.920399][  T454]  ? br_multicast_flood (??:?) bridge
[   14.920412][  T454]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.920414][  T454]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.920415][  T454]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.920419][  T454] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.920430][  T454] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.920438][  T454] new_nbp (net/bridge/br_if.c:449) bridge
[   14.920448][  T454] br_add_if (net/bridge/br_if.c:592) bridge
[   14.920455][  T454]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.920459][  T454]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.920462][  T454]  ? __kernel_text_address (kernel/extable.c:79)
[   14.920465][  T454]  do_set_master (net/core/rtnetlink.c:3071)
[   14.920470][  T454]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.920473][  T454]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.920476][  T454]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.920478][  T454]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.920480][  T454]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.920483][  T454]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.920486][  T454]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.920487][  T454]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.920490][  T454]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.920493][  T454]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.920495][  T454]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.920498][  T454]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.920499][  T454]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.920502][  T454]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.920507][  T454]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.920509][  T454]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.920511][  T454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.920514][  T454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.920515][  T454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.920517][  T454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.920520][  T454]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.920523][  T454]  ? __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)
[   14.920526][  T454]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.920529][  T454]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.920532][  T454]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.920534][  T454]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.920538][  T454]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.920544][  T454]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.920549][  T454]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.920551][  T454]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.920555][  T454]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.920557][  T454]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.920559][  T454]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.920561][  T454]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.920564][  T454]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.920566][  T454]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.920569][  T454]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.920571][  T454]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.920575][  T454]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.920577][  T454]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.920581][  T454]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.920582][  T454]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.920585][  T454]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.920591][  T454]  ? 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))
[   14.920593][  T454]  ? 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))
[   14.920597][  T454]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.920601][  T454]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.920603][  T454]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.920607][  T454]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.920611][  T454]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.920615][  T454]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.920620][  T454]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.920623][  T454]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.920625][  T454]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.920627][  T454]  ? move_addr_to_kernel (net/socket.c:258)
[   14.920634][  T454]  ___sys_sendmsg (net/socket.c:2767)
[   14.920637][  T454]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.920652][  T454]  __sys_sendmsg (net/socket.c:2799)
[   14.920655][  T454]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.920661][  T454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.920665][  T454]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.920667][  T454]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.920670][  T454]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.920672][  T454] RIP: 0033:0x7fd92a16254e
[   14.920676][  T454] 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
[   14.920678][  T454] RSP: 002b:00007ffca0f18370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.920681][  T454] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd92a16254e
[   14.920682][  T454] RDX: 0000000000000000 RSI: 00007ffca0f18420 RDI: 0000000000000005
[   14.920683][  T454] RBP: 00007ffca0f18380 R08: 0000000000000000 R09: 0000000000000000
[   14.920684][  T454] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8ac
[   14.920685][  T454] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca0f18ae0
| [   15.960589][   T71] softirqs last disabled at (54050): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   15.960598][   T71] Preemption disabled at:
| [   15.960598][   T71] 0x0
| [   15.960609][   T71] Tainted: [W]=WARN
[   15.960610][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.960612][   T71] Workqueue: events_unbound linkwatch_event
[   15.960616][   T71] Call Trace:
[   15.960617][   T71]  <TASK>
[   15.960619][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.960626][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.960630][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.960635][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.960640][   T71]  __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))
[   15.960642][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.960648][   T71]  ? 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)
[   15.960651][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.960654][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   15.960658][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.960659][   T71]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   15.960663][   T71]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   15.960667][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.960670][   T71]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.960672][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.960673][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.960678][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.960679][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.960684][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.960688][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.960692][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.960694][   T71]  ? 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))
[   15.960698][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.960702][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.960706][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.960710][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.960712][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.960718][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.960721][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.960723][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.960725][   T71]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.960729][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.960734][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.960738][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.960742][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.960749][   T71]  _printk (kernel/printk/printk.c:2504)
[   15.960753][   T71]  ? snapshot_read.cold (user.c:?)
[   15.960759][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.960763][   T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.960774][   T71] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.960783][   T71] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   15.960791][   T71] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   15.960800][   T71] br_device_event (net/bridge/br.c:101) bridge
[   15.960810][   T71]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   15.960812][   T71]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   15.960819][   T71]  notifier_call_chain (kernel/notifier.c:85)
[   15.960825][   T71]  netif_state_change (net/core/dev.c:1625)
[   15.960830][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   15.960835][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.960838][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.960841][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.960843][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.960848][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.960850][   T71]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   15.960854][   T71]  process_one_work (kernel/workqueue.c:3387)
[   15.960861][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   15.960864][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.960872][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   15.960876][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   15.960878][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   15.960881][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   15.960884][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   15.960886][   T71]  kthread (kernel/kthread.c:436)
[   15.960888][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.960891][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   15.960894][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.960898][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   15.960901][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.960905][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   15.960907][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.071287][  T627] softirqs last disabled at (14612): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   17.071289][  T627] Preemption disabled at:
| [   17.071290][  T627] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.071300][  T627] Tainted: [W]=WARN
[   17.071301][  T627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.071302][  T627] Call Trace:
[   17.071304][  T627]  <TASK>
[   17.071306][  T627]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.071311][  T627]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.071314][  T627]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.071318][  T627]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.071323][  T627]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.071328][  T627]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.071330][  T627]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.071336][  T627]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.071338][  T627]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.071341][  T627]  put_chars (drivers/char/virtio_console.c:1176)
[   17.071343][  T627]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   17.071345][  T627]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.071349][  T627]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.071353][  T627]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.071355][  T627]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.071359][  T627]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.071362][  T627]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.071364][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.071366][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.071369][  T627]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.071372][  T627]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.071375][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.071377][  T627]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.071381][  T627]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.071385][  T627]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.071387][  T627]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.071390][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.071393][  T627]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.071397][  T627]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.071401][  T627]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.071403][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.071408][  T627]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.071411][  T627]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.071413][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.071415][  T627]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.071419][  T627]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.071421][  T627]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.071424][  T627]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.071428][  T627]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.071431][  T627]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.071436][  T627]  _printk (kernel/printk/printk.c:2504)
[   17.071440][  T627]  ? snapshot_read.cold (user.c:?)
[   17.071444][  T627]  ? br_multicast_flood (??:?) bridge
[   17.071457][  T627]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.071459][  T627]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.071460][  T627]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.071464][  T627] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   17.071474][  T627] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   17.071483][  T627] new_nbp (net/bridge/br_if.c:449) bridge
[   17.071493][  T627] br_add_if (net/bridge/br_if.c:592) bridge
[   17.071500][  T627]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   17.071504][  T627]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   17.071507][  T627]  ? __kernel_text_address (kernel/extable.c:79)
[   17.071511][  T627]  do_set_master (net/core/rtnetlink.c:3071)
[   17.071516][  T627]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.071519][  T627]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.071522][  T627]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.071523][  T627]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.071525][  T627]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.071528][  T627]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.071531][  T627]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.071533][  T627]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.071535][  T627]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.071539][  T627]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.071540][  T627]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.071543][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.071545][  T627]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   17.071548][  T627]  ? ___sys_sendmsg (net/socket.c:2757)
[   17.071553][  T627]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.071555][  T627]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.071557][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.071560][  T627]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.071561][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.071563][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.071566][  T627]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.071570][  T627]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   17.071573][  T627]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.071575][  T627]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.071579][  T627]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.071580][  T627]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.071585][  T627]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.071591][  T627]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.071596][  T627]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.071598][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.071602][  T627]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.071604][  T627]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.071606][  T627]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.071608][  T627]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.071612][  T627]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.071614][  T627]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.071617][  T627]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.071618][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.071622][  T627]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.071624][  T627]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.071628][  T627]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.071630][  T627]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.071632][  T627]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.071639][  T627]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.071640][  T627]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.071644][  T627]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.071648][  T627]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.071651][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.071655][  T627]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.071659][  T627]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.071662][  T627]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.071668][  T627]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.071670][  T627]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.071672][  T627]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.071674][  T627]  ? move_addr_to_kernel (net/socket.c:258)
[   17.071681][  T627]  ___sys_sendmsg (net/socket.c:2767)
[   17.071684][  T627]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.071700][  T627]  __sys_sendmsg (net/socket.c:2799)
[   17.071702][  T627]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.071709][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.071712][  T627]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.071715][  T627]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.071718][  T627]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.071720][  T627] RIP: 0033:0x7f6f5546d54e
[   17.071723][  T627] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.071725][  T627] RSP: 002b:00007ffd50f9cf20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.071728][  T627] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6f5546d54e
[   17.071729][  T627] RDX: 0000000000000000 RSI: 00007ffd50f9cfd0 RDI: 0000000000000005
[   17.071732][  T627] RBP: 00007ffd50f9cf30 R08: 0000000000000000 R09: 0000000000000000
[   17.071733][  T627] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8ae
[   17.071734][  T627] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd50f9d690
| [   18.422880][   T36] softirqs last disabled at (74508): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   18.422888][   T36] Preemption disabled at:
| [   18.422889][   T36] 0x0
| [   18.422899][   T36] Tainted: [W]=WARN
[   18.422900][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.422901][   T36] Workqueue: events_unbound linkwatch_event
[   18.422904][   T36] Call Trace:
[   18.422906][   T36]  <TASK>
[   18.422908][   T36]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.422914][   T36]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.422918][   T36]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.422922][   T36]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.422928][   T36]  __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))
[   18.422930][   T36]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.422936][   T36]  ? 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)
[   18.422939][   T36]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.422942][   T36]  put_chars (drivers/char/virtio_console.c:1176)
[   18.422945][   T36]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.422948][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.422952][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.422955][   T36]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.422959][   T36]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.422961][   T36]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.422963][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.422965][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.422969][   T36]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.422970][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.422975][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.422979][   T36]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.422983][   T36]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.422985][   T36]  ? 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))
[   18.422988][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.422991][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.422995][   T36]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.423005][   T36]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.423007][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.423013][   T36]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.423015][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.423017][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.423020][   T36]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.423024][   T36]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.423026][   T36]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.423029][   T36]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.423034][   T36]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.423036][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.423039][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.423043][   T36]  _printk (kernel/printk/printk.c:2504)
[   18.423047][   T36]  ? snapshot_read.cold (user.c:?)
[   18.423052][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.423057][   T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   18.423067][   T36] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   18.423076][   T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   18.423083][   T36] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   18.423092][   T36] br_device_event (net/bridge/br.c:101) bridge
[   18.423101][   T36]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   18.423102][   T36]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   18.423110][   T36]  notifier_call_chain (kernel/notifier.c:85)
[   18.423116][   T36]  netif_state_change (net/core/dev.c:1625)
[   18.423121][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   18.423126][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   18.423128][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   18.423131][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.423134][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.423138][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   18.423141][   T36]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   18.423144][   T36]  process_one_work (kernel/workqueue.c:3387)
[   18.423151][   T36]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   18.423154][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.423162][   T36]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   18.423169][   T36]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.423171][   T36]  kthread (kernel/kthread.c:436)
[   18.423173][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.423176][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.423179][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.423183][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   18.423187][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.423190][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.423193][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.791230][   T36] softirqs last disabled at (85040): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   19.791238][   T36] Preemption disabled at:
| [   19.791239][   T36] 0x0
| [   19.791249][   T36] Tainted: [W]=WARN
[   19.791250][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.791252][   T36] Workqueue: events_unbound linkwatch_event
[   19.791256][   T36] Call Trace:
[   19.791257][   T36]  <TASK>
[   19.791259][   T36]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.791265][   T36]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.791270][   T36]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.791274][   T36]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.791280][   T36]  __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))
[   19.791282][   T36]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.791288][   T36]  ? 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)
[   19.791291][   T36]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.791295][   T36]  put_chars (drivers/char/virtio_console.c:1176)
[   19.791298][   T36]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.791301][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.791305][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.791308][   T36]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.791312][   T36]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.791315][   T36]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.791316][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.791318][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.791323][   T36]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.791324][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.791329][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.791333][   T36]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.791338][   T36]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.791340][   T36]  ? 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))
[   19.791343][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.791345][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.791350][   T36]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.791354][   T36]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.791356][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.791362][   T36]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.791365][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.791367][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.791370][   T36]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.791374][   T36]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.791375][   T36]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.791379][   T36]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.791384][   T36]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.791386][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.791389][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.791393][   T36]  _printk (kernel/printk/printk.c:2504)
[   19.791397][   T36]  ? snapshot_read.cold (user.c:?)
[   19.791403][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.791407][   T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   19.791418][   T36] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   19.791427][   T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   19.791435][   T36] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   19.791445][   T36] br_device_event (net/bridge/br.c:101) bridge
[   19.791454][   T36]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   19.791456][   T36]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   19.791464][   T36]  notifier_call_chain (kernel/notifier.c:85)
[   19.791470][   T36]  netif_state_change (net/core/dev.c:1625)
[   19.791475][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   19.791480][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   19.791483][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   19.791486][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.791488][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.791493][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   19.791495][   T36]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   19.791499][   T36]  process_one_work (kernel/workqueue.c:3387)
[   19.791506][   T36]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   19.791509][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.791518][   T36]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   19.791525][   T36]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   19.791527][   T36]  kthread (kernel/kthread.c:436)
[   19.791530][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.791533][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   19.791535][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.791539][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   19.791543][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.791546][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   19.791549][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.851371][  T922] softirqs last disabled at (10562): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   25.851374][  T922] Preemption disabled at:
| [   25.851374][  T922] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.851384][  T922] Tainted: [W]=WARN
[   25.851385][  T922] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.851386][  T922] Call Trace:
[   25.851388][  T922]  <TASK>
[   25.851389][  T922]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.851395][  T922]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.851397][  T922]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.851402][  T922]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.851406][  T922]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.851411][  T922]  __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))
[   25.851413][  T922]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.851419][  T922]  ? 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)
[   25.851422][  T922]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.851425][  T922]  put_chars (drivers/char/virtio_console.c:1176)
[   25.851428][  T922]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.851431][  T922]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.851435][  T922]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.851437][  T922]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.851441][  T922]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.851444][  T922]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.851446][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.851447][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.851451][  T922]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.851453][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.851457][  T922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.851461][  T922]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.851465][  T922]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.851467][  T922]  ? 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))
[   25.851470][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.851473][  T922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.851477][  T922]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.851481][  T922]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.851483][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.851488][  T922]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.851491][  T922]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.851492][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.851495][  T922]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.851498][  T922]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.851500][  T922]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.851504][  T922]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.851507][  T922]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.851511][  T922]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.851513][  T922]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.851518][  T922]  _printk (kernel/printk/printk.c:2504)
[   25.851521][  T922]  ? snapshot_read.cold (user.c:?)
[   25.851523][  T922]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.851525][  T922]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.851529][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.851530][  T922]  ? mpol_to_str (mm/mempolicy.c:3580)
[   25.851533][  T922]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.851536][  T922]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.851540][  T922]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.851542][  T922]  ? netdev_notice (net/core/dev.c:13194)
[   25.851544][  T922]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   25.851548][  T922]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   25.851553][  T922]  ? 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)
[   25.851557][  T922]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   25.851562][  T922]  dev_set_allmulti (net/core/dev_api.c:315)
[   25.851565][  T922]  vif_add (net/ipv4/ipmr.c:900)
[   25.851568][  T922]  ? __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)
[   25.851570][  T922]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.851575][  T922]  ? pim_rcv (net/ipv4/ipmr.c:2441)
[   25.851577][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.851579][  T922]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.851585][  T922]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.851588][  T922]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.851592][  T922]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1497 (discriminator 1))
[   25.851596][  T922]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2973)
[   25.851604][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.851609][  T922]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[   25.851614][  T922]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[   25.851616][  T922]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   25.851618][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.851621][  T922]  ? filemap_update_page (mm/filemap.c:2607)
[   25.851624][  T922]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   25.851629][  T922]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   25.851630][  T922]  ? handle_pte_fault (mm/memory.c:6558)
[   25.851635][  T922]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[   25.851638][  T922]  raw_setsockopt (net/ipv4/raw.c:851)
[   25.851643][  T922]  ? raw_bind (net/ipv4/raw.c:733)
[   25.851644][  T922]  ? __handle_mm_fault (mm/memory.c:6707)
[   25.851647][  T922]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   25.851650][  T922]  do_sock_setsockopt (net/socket.c:2397)
[   25.851655][  T922]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   25.851660][  T922]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.851663][  T922]  __sys_setsockopt (net/socket.c:2422)
[   25.851669][  T922]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   25.851671][  T922]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.851674][  T922]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.851676][  T922]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   25.851678][  T922]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.851679][  T922]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.851682][  T922]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.851684][  T922] RIP: 0033:0x7f8e9482a2de
[   25.851688][  T922] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 72 f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 e1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 72 f7 ff       	call   0xfffffffffff772ac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	e1                   	.byte 0xe1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	e1                   	.byte 0xe1
[   25.851690][  T922] RSP: 002b:00007ffe46440ba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   25.851693][  T922] RAX: ffffffffffffffda RBX: 00005571cfbc52c0 RCX: 00007f8e9482a2de
[   25.851694][  T922] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[   25.851695][  T922] RBP: 00007ffe46440c60 R08: 0000000000000010 R09: 0000000000000001
[   25.851696][  T922] R10: 00007ffe46440be0 R11: 0000000000000246 R12: 00005571f99d9ef4
[   25.851697][  T922] R13: 0000000000000001 R14: 00005571f99d9ee0 R15: 0000000000000000
| [   28.676810][  T989] softirqs last disabled at (14694): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   28.676812][  T989] Preemption disabled at:
| [   28.676813][  T989] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.676822][  T989] Tainted: [W]=WARN
[   28.676823][  T989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.676825][  T989] Call Trace:
[   28.676827][  T989]  <TASK>
[   28.676828][  T989]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.676834][  T989]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.676836][  T989]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.676841][  T989]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.676845][  T989]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.676851][  T989]  __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))
[   28.676853][  T989]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.676859][  T989]  ? 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)
[   28.676861][  T989]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.676864][  T989]  put_chars (drivers/char/virtio_console.c:1176)
[   28.676867][  T989]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.676869][  T989]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.676873][  T989]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.676879][  T989]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.676885][  T989]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.676887][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.676890][  T989]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.676894][  T989]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.676898][  T989]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.676900][  T989]  ? 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))
[   28.676903][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.676906][  T989]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.676910][  T989]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.676914][  T989]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.676916][  T989]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.676922][  T989]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.676924][  T989]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.676926][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.676929][  T989]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.676932][  T989]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.676934][  T989]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.676938][  T989]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.676942][  T989]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.676943][  T989]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.676945][  T989]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.676948][  T989]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.676950][  T989]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.676952][  T989]  ? ___sys_sendmsg (net/socket.c:2767)
[   28.676954][  T989]  ? __sys_sendmsg (net/socket.c:2799)
[   28.676956][  T989]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.676961][  T989]  _printk (kernel/printk/printk.c:2504)
[   28.676965][  T989]  ? snapshot_read.cold (user.c:?)
[   28.676969][  T989]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.676973][  T989]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.676976][  T989]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.676979][  T989]  ? netdev_notice (net/core/dev.c:13194)
[   28.676983][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.676985][  T989]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   28.676988][  T989]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   28.676989][  T989]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.676992][  T989]  ? 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)
[   28.676995][  T989]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   28.677000][  T989]  dev_set_allmulti (net/core/dev_api.c:315)
[   28.677004][  T989] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   28.677017][  T989]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   28.677024][  T989] br_del_if (net/bridge/br_if.c:732) bridge
[   28.677031][  T989]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.677034][  T989]  do_set_master (net/core/rtnetlink.c:3055)
[   28.677039][  T989]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   28.677044][  T989]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.677047][  T989]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.677048][  T989]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.677051][  T989]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.677055][  T989]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.677057][  T989]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.677059][  T989]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.677069][  T989]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.677072][  T989]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.677074][  T989]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.677077][  T989]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.677079][  T989]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   28.677081][  T989]  ? ___sys_sendmsg (net/socket.c:2757)
[   28.677085][  T989]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.677087][  T989]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.677090][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.677092][  T989]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.677094][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.677096][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.677100][  T989]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.677104][  T989]  ? __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)
[   28.677108][  T989]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.677111][  T989]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.677117][  T989]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.677120][  T989]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.677129][  T989]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.677135][  T989]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.677141][  T989]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.677143][  T989]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.677148][  T989]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.677150][  T989]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.677152][  T989]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.677154][  T989]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.677158][  T989]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.677160][  T989]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.677163][  T989]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.677165][  T989]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.677169][  T989]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.677171][  T989]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.677175][  T989]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.677177][  T989]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.677180][  T989]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.677188][  T989]  ? 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))
[   28.677190][  T989]  ? 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))
[   28.677194][  T989]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.677198][  T989]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.677201][  T989]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.677205][  T989]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.677209][  T989]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.677213][  T989]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.677218][  T989]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.677220][  T989]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.677223][  T989]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   28.677224][  T989]  ? move_addr_to_kernel (net/socket.c:258)
[   28.677232][  T989]  ___sys_sendmsg (net/socket.c:2767)
[   28.677235][  T989]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.677251][  T989]  __sys_sendmsg (net/socket.c:2799)
[   28.677254][  T989]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.677260][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.677264][  T989]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.677265][  T989]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.677268][  T989]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.677271][  T989] RIP: 0033:0x7f5b9d3e754e
[   28.677274][  T989] 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
[   28.677276][  T989] RSP: 002b:00007ffd99a86400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.677279][  T989] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5b9d3e754e
[   28.677280][  T989] RDX: 0000000000000000 RSI: 00007ffd99a864b0 RDI: 0000000000000005
[   28.677281][  T989] RBP: 00007ffd99a86410 R08: 0000000000000000 R09: 0000000000000000
[   28.677282][  T989] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8b9
[   28.677283][  T989] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd99a86b70
| [   31.093043][    C3] softirqs last disabled at (1261107): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   31.093045][    C3] Preemption disabled at:
| [   31.093046][    C3] 0x0
| [   31.093058][    C3] Tainted: [W]=WARN
[   31.093059][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.093062][    C3] Call Trace:
[   31.093063][    C3]  <IRQ>
[   31.093066][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.093071][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.093075][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.093085][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   31.093088][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.093092][    C3]  __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))
[   31.093096][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.093098][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.093102][    C3]  ? 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)
[   31.093104][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.093106][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   31.093108][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.093110][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   31.093113][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.093117][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.093118][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.093120][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.093123][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.093125][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.093128][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.093129][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.093131][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.093133][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   31.093135][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.093137][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.093140][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.093142][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.093144][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.093145][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.093147][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   31.093149][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.093151][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.093153][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.093155][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.093157][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.093159][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.093173][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   31.093174][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.093182][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.093190][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   31.093194][    C3]  _printk (kernel/printk/printk.c:2504)
[   31.093197][    C3]  ? snapshot_read.cold (user.c:?)
[   31.093198][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   31.093202][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.093204][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   31.093206][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   31.093209][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   31.093212][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   31.093214][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   31.093215][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   31.093218][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.093219][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.093227][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.093229][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.093231][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   31.093238][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   31.093240][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.093247][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.093254][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   31.093260][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   31.093263][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   31.093265][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   31.093269][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.093270][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.093272][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.093275][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   31.093277][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   31.093284][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   31.093286][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.093289][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.093291][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   31.093293][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   31.093295][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.093297][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.093299][    C3]  handle_softirqs (kernel/softirq.c:645)
[   31.093301][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.093302][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   31.093304][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   31.093306][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   31.093307][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   31.093310][    C3]  </IRQ>
[   31.093311][    C3]  <TASK>
[   31.093311][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   31.093313][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   31.093315][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   31.093318][    C3] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   31.093320][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   31.093323][    C3] RAX: 0000000000133e31 RBX: ff11000001c88040 RCX: ffffffffa28f0307
[   31.093324][    C3] RDX: ff11000001c88040 RSI: ffffffffa5638af6 RDI: ffffffffa508d8e0
[   31.093325][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   31.093326][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   31.093327][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   31.093329][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   31.093332][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   31.093334][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   31.093336][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   31.093337][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   31.093339][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   31.093341][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.093342][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.093344][    C3]  do_idle (kernel/sched/idle.c:355)
[   31.093345][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   31.093347][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   31.093349][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   31.093351][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   31.156800][    C3]
| [   31.156921][    C3]
| [   31.156921][    C3] stack backtrace:
| [   31.157110][    C3] Tainted: [W]=WARN
[   31.157110][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.157112][    C3] Call Trace:
[   31.157114][    C3]  <IRQ>
[   31.157116][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.157121][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   31.157124][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   31.157127][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   31.157129][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   31.157131][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   31.157133][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.157135][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.157145][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.157149][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.157151][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   31.157159][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   31.157162][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.157169][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   31.157177][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   31.157184][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   31.157186][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   31.157188][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   31.157191][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.157193][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.157195][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.157197][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   31.157199][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   31.157207][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   31.157209][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.157212][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.157215][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   31.157217][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   31.157219][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.157221][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.157223][    C3]  handle_softirqs (kernel/softirq.c:645)
[   31.157225][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.157227][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   31.157229][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   31.157231][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   31.157232][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   31.157234][    C3]  </IRQ>
[   31.157235][    C3]  <TASK>
[   31.157235][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   31.157237][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   31.157239][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   31.157241][    C3] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   31.157243][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   31.157246][    C3] RAX: 0000000000133e31 RBX: ff11000001c88040 RCX: ffffffffa28f0307
[   31.157247][    C3] RDX: ff11000001c88040 RSI: ffffffffa5638af6 RDI: ffffffffa508d8e0
[   31.157248][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   31.157249][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   31.157250][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   31.157252][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   31.157254][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   31.157256][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   31.157258][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   31.157260][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   31.157261][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   31.157263][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.157264][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.157267][    C3]  do_idle (kernel/sched/idle.c:355)
[   31.157269][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   31.157270][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   31.157272][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   31.157274][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   32.231313][ T1142] softirqs last disabled at (0): 0x0
| [   32.231315][ T1142] Preemption disabled at:
| [   32.231315][ T1142] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.231326][ T1142] Tainted: [W]=WARN
[   32.231327][ T1142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.231328][ T1142] Call Trace:
[   32.231330][ T1142]  <TASK>
[   32.231331][ T1142]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.231336][ T1142]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.231338][ T1142]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.231342][ T1142]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.231346][ T1142]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   32.231348][ T1142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.231352][ T1142]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   32.231355][ T1142]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   32.231358][ T1142]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.231362][ T1142]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.231363][ T1142]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.231365][ T1142]  put_chars (drivers/char/virtio_console.c:1176)
[   32.231367][ T1142]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.231369][ T1142]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   32.231372][ T1142]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.231375][ T1142]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.231376][ T1142]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   32.231378][ T1142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.231380][ T1142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.231382][ T1142]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.231384][ T1142]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.231386][ T1142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.231388][ T1142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.231390][ T1142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.231391][ T1142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.231393][ T1142]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   32.231395][ T1142]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.231397][ T1142]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.231400][ T1142]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.231402][ T1142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.231403][ T1142]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.231405][ T1142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.231406][ T1142]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.231408][ T1142]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.231409][ T1142]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   32.231411][ T1142]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.231413][ T1142]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.231415][ T1142]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.231418][ T1142]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.231420][ T1142]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.231423][ T1142]  _printk (kernel/printk/printk.c:2504)
[   32.231426][ T1142]  ? snapshot_read.cold (user.c:?)
[   32.231428][ T1142]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.231430][ T1142]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.231432][ T1142]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.231433][ T1142]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   32.231435][ T1142]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   32.231436][ T1142]  ? ovl_open (./include/linux/slab.h:991 (discriminator 1) ./include/linux/slab.h:1312 (discriminator 1) fs/overlayfs/file.c:99 (discriminator 1) fs/overlayfs/file.c:226 (discriminator 1))
[   32.231439][ T1142]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.231442][ T1142]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.231443][ T1142]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.231445][ T1142]  ? netdev_notice (net/core/dev.c:13194)
[   32.231446][ T1142]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   32.231450][ T1142]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   32.231452][ T1142]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.231455][ T1142]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   32.231458][ T1142]  dev_set_allmulti (net/core/dev_api.c:315)
[   32.231461][ T1142]  ? dev_get_by_index (./include/linux/rcupdate.h:882 net/core/dev.c:1025)
[   32.231463][ T1142]  vif_add (net/ipv4/ipmr.c:900)
[   32.231466][ T1142]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   32.231469][ T1142]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.231470][ T1142]  ? pim_rcv (net/ipv4/ipmr.c:2441)
[   32.231471][ T1142]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.231473][ T1142]  ? folio_add_file_rmap_ptes (./include/linux/instrumented.h:41 ./include/asm-generic/bitops/instrumented-non-atomic.h:28 ./include/linux/mm.h:1122 ./include/linux/mm.h:1131 mm/internal.h:990 mm/rmap.c:1721 mm/rmap.c:1738)
[   32.231476][ T1142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.231477][ T1142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.231479][ T1142]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.231480][ T1142]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.231484][ T1142]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1497 (discriminator 1))
[   32.231486][ T1142]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2973)
[   32.231489][ T1142]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.231491][ T1142]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[   32.231494][ T1142]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.231496][ T1142]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[   32.231498][ T1142]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   32.231500][ T1142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.231502][ T1142]  ? filemap_update_page (mm/filemap.c:2607)
[   32.231505][ T1142]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   32.231507][ T1142]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.231509][ T1142]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   32.231510][ T1142]  ? handle_pte_fault (mm/memory.c:6558)
[   32.231513][ T1142]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[   32.231515][ T1142]  raw_setsockopt (net/ipv4/raw.c:851)
[   32.231518][ T1142]  ? raw_bind (net/ipv4/raw.c:733)
[   32.231519][ T1142]  ? __handle_mm_fault (mm/memory.c:6707)
[   32.231521][ T1142]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   32.231523][ T1142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.231525][ T1142]  do_sock_setsockopt (net/socket.c:2397)
[   32.231528][ T1142]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   32.231531][ T1142]  __sys_setsockopt (net/socket.c:2422)
[   32.231533][ T1142]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   32.231535][ T1142]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.231537][ T1142]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   32.231539][ T1142]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   32.231540][ T1142]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.231542][ T1142]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.231544][ T1142]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.231546][ T1142] RIP: 0033:0x7febfd40c2de
[   32.231548][ T1142] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 72 f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 e1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 72 f7 ff       	call   0xfffffffffff772ac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	e1                   	.byte 0xe1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	e1                   	.byte 0xe1
[   32.231550][ T1142] RSP: 002b:00007ffda2c34578 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   32.231553][ T1142] RAX: ffffffffffffffda RBX: 0000558388e272c0 RCX: 00007febfd40c2de
[   32.231555][ T1142] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[   32.231556][ T1142] RBP: 00007ffda2c34630 R08: 0000000000000010 R09: 0000000000000001
[   32.231557][ T1142] R10: 00007ffda2c345b0 R11: 0000000000000246 R12: 000055838c967ef4
[   32.231557][ T1142] R13: 0000000000000001 R14: 000055838c967ee0 R15: 0000000000000000
| [   35.869317][ T1228] softirqs last disabled at (0): 0x0
| [   35.869318][ T1228] Preemption disabled at:
| [   35.869319][ T1228] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.869331][ T1228] Tainted: [W]=WARN
[   35.869332][ T1228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.869334][ T1228] Call Trace:
[   35.869335][ T1228]  <TASK>
[   35.869336][ T1228]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.869342][ T1228]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.869344][ T1228]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.869348][ T1228]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.869351][ T1228]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   35.869355][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869358][ T1228]  __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))
[   35.869361][ T1228]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   35.869364][ T1228]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.869368][ T1228]  ? 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)
[   35.869370][ T1228]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.869372][ T1228]  put_chars (drivers/char/virtio_console.c:1176)
[   35.869374][ T1228]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.869375][ T1228]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   35.869378][ T1228]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.869382][ T1228]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.869383][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869385][ T1228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.869387][ T1228]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.869390][ T1228]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.869392][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869393][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869395][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869397][ T1228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.869399][ T1228]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   35.869401][ T1228]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.869403][ T1228]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.869406][ T1228]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.869407][ T1228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.869409][ T1228]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.869411][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869412][ T1228]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.869414][ T1228]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.869415][ T1228]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   35.869417][ T1228]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.869419][ T1228]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.869421][ T1228]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.869424][ T1228]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.869425][ T1228]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.869428][ T1228]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.869431][ T1228]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.869432][ T1228]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.869435][ T1228]  ? ___sys_sendmsg (net/socket.c:2767)
[   35.869437][ T1228]  ? __sys_sendmsg (net/socket.c:2799)
[   35.869438][ T1228]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.869442][ T1228]  _printk (kernel/printk/printk.c:2504)
[   35.869445][ T1228]  ? snapshot_read.cold (user.c:?)
[   35.869447][ T1228]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.869450][ T1228]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.869452][ T1228]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.869453][ T1228]  ? netdev_notice (net/core/dev.c:13194)
[   35.869455][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869457][ T1228]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   35.869459][ T1228]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   35.869461][ T1228]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   35.869463][ T1228]  ? 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)
[   35.869466][ T1228]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   35.869469][ T1228]  dev_set_allmulti (net/core/dev_api.c:315)
[   35.869472][ T1228] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   35.869484][ T1228]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   35.869488][ T1228]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   35.869491][ T1228] br_del_if (net/bridge/br_if.c:732) bridge
[   35.869498][ T1228]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.869500][ T1228]  do_set_master (net/core/rtnetlink.c:3055)
[   35.869503][ T1228]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   35.869506][ T1228]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.869509][ T1228]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.869510][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869512][ T1228]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   35.869515][ T1228]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.869518][ T1228]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.869519][ T1228]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.869521][ T1228]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   35.869522][ T1228]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   35.869524][ T1228]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   35.869525][ T1228]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.869526][ T1228]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.869527][ T1228]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.869529][ T1228]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.869530][ T1228]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.869531][ T1228]  ? ___sys_sendmsg (net/socket.c:2767)
[   35.869533][ T1228]  ? __sys_sendmsg (net/socket.c:2799)
[   35.869534][ T1228]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.869535][ T1228]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.869538][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869540][ T1228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.869541][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869543][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869545][ T1228]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.869547][ T1228]  ? __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)
[   35.869549][ T1228]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.869550][ T1228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.869552][ T1228]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.869553][ T1228]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.869556][ T1228]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.869558][ T1228]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.869560][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869562][ T1228]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.869563][ T1228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.869564][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869566][ T1228]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   35.869568][ T1228]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   35.869570][ T1228]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   35.869571][ T1228]  ? __kernel_text_address (kernel/extable.c:79)
[   35.869572][ T1228]  ? write_profile (profile.c:?)
[   35.869574][ T1228]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.869576][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869578][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869580][ T1228]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   35.869583][ T1228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.869585][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869586][ T1228]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.869588][ T1228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.869589][ T1228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.869591][ T1228]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   35.869592][ T1228]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   35.869595][ T1228]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.869596][ T1228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.869597][ T1228]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.869599][ T1228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.869600][ T1228]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   35.869603][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869605][ T1228]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.869607][ T1228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.869608][ T1228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.869610][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869612][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869614][ T1228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.869615][ T1228]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.869617][ T1228]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.869619][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869621][ T1228]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   35.869623][ T1228]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.869624][ T1228]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.869626][ T1228]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   35.869628][ T1228]  ? move_addr_to_kernel (net/socket.c:258)
[   35.869629][ T1228]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   35.869632][ T1228]  ___sys_sendmsg (net/socket.c:2767)
[   35.869634][ T1228]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.869639][ T1228]  __sys_sendmsg (net/socket.c:2799)
[   35.869640][ T1228]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.869643][ T1228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.869645][ T1228]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.869647][ T1228]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.869649][ T1228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.869651][ T1228] RIP: 0033:0x7fbabeec754e
[   35.869652][ T1228] 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
[   35.869654][ T1228] RSP: 002b:00007fff0f65eb50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.869658][ T1228] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbabeec754e
[   35.869660][ T1228] RDX: 0000000000000000 RSI: 00007fff0f65ec00 RDI: 0000000000000005
[   35.869661][ T1228] RBP: 00007fff0f65eb60 R08: 0000000000000000 R09: 0000000000000000
[   35.869661][ T1228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8c1
[   35.869662][ T1228] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0f65f2c0
| [   38.833275][ T1351] softirqs last disabled at (0): 0x0
| [   38.833278][ T1351] Preemption disabled at:
| [   38.833279][ T1351] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.833292][ T1351] Tainted: [W]=WARN
[   38.833294][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.833297][ T1351] Call Trace:
[   38.833299][ T1351]  <TASK>
[   38.833300][ T1351]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.833307][ T1351]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.833310][ T1351]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.833315][ T1351]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.833319][ T1351]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   38.833323][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833328][ T1351]  __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))
[   38.833332][ T1351]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.833335][ T1351]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.833340][ T1351]  ? 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)
[   38.833342][ T1351]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.833345][ T1351]  put_chars (drivers/char/virtio_console.c:1176)
[   38.833348][ T1351]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.833351][ T1351]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   38.833355][ T1351]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.833359][ T1351]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.833362][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833364][ T1351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.833368][ T1351]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.833372][ T1351]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.833375][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833377][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833380][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833382][ T1351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.833385][ T1351]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   38.833388][ T1351]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.833391][ T1351]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.833396][ T1351]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.833398][ T1351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.833401][ T1351]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.833403][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833406][ T1351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.833408][ T1351]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.833410][ T1351]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   38.833413][ T1351]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.833416][ T1351]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.833419][ T1351]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.833423][ T1351]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.833425][ T1351]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.833429][ T1351]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.833433][ T1351]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.833435][ T1351]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.833439][ T1351]  ? ___sys_sendmsg (net/socket.c:2767)
[   38.833441][ T1351]  ? __sys_sendmsg (net/socket.c:2799)
[   38.833444][ T1351]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.833448][ T1351]  _printk (kernel/printk/printk.c:2504)
[   38.833452][ T1351]  ? snapshot_read.cold (user.c:?)
[   38.833456][ T1351]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.833459][ T1351]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.833462][ T1351]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.833465][ T1351]  ? netdev_notice (net/core/dev.c:13194)
[   38.833468][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833471][ T1351]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   38.833474][ T1351]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   38.833477][ T1351]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   38.833479][ T1351]  ? 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)
[   38.833483][ T1351]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   38.833487][ T1351]  dev_set_allmulti (net/core/dev_api.c:315)
[   38.833491][ T1351] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   38.833510][ T1351]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   38.833515][ T1351]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   38.833518][ T1351] br_del_if (net/bridge/br_if.c:732) bridge
[   38.833531][ T1351]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.833535][ T1351]  do_set_master (net/core/rtnetlink.c:3055)
[   38.833539][ T1351]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   38.833543][ T1351]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.833546][ T1351]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.833548][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833551][ T1351]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.833556][ T1351]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.833559][ T1351]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.833562][ T1351]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.833564][ T1351]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.833566][ T1351]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   38.833569][ T1351]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   38.833570][ T1351]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.833572][ T1351]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.833575][ T1351]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.833577][ T1351]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.833579][ T1351]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.833581][ T1351]  ? ___sys_sendmsg (net/socket.c:2767)
[   38.833583][ T1351]  ? __sys_sendmsg (net/socket.c:2799)
[   38.833586][ T1351]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.833587][ T1351]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.833591][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833594][ T1351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.833597][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833599][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833602][ T1351]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.833605][ T1351]  ? __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)
[   38.833608][ T1351]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.833610][ T1351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.833613][ T1351]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.833615][ T1351]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.833619][ T1351]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.833623][ T1351]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.833626][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833629][ T1351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.833631][ T1351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.833633][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833636][ T1351]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   38.833639][ T1351]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   38.833642][ T1351]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   38.833644][ T1351]  ? __kernel_text_address (kernel/extable.c:79)
[   38.833646][ T1351]  ? write_profile (profile.c:?)
[   38.833648][ T1351]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.833651][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833654][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833656][ T1351]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   38.833661][ T1351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.833663][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833666][ T1351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.833668][ T1351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.833671][ T1351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.833673][ T1351]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.833675][ T1351]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.833680][ T1351]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.833682][ T1351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.833684][ T1351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.833686][ T1351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.833689][ T1351]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   38.833693][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833695][ T1351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.833699][ T1351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.833702][ T1351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.833704][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833707][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833709][ T1351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.833712][ T1351]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.833716][ T1351]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.833719][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833722][ T1351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.833725][ T1351]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.833727][ T1351]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.833733][ T1351]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   38.833736][ T1351]  ? move_addr_to_kernel (net/socket.c:258)
[   38.833739][ T1351]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.833744][ T1351]  ___sys_sendmsg (net/socket.c:2767)
[   38.833748][ T1351]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.833757][ T1351]  __sys_sendmsg (net/socket.c:2799)
[   38.833760][ T1351]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.833765][ T1351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.833769][ T1351]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.833771][ T1351]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.833774][ T1351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.833777][ T1351] RIP: 0033:0x7f1823b5254e
[   38.833780][ T1351] 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
[   38.833783][ T1351] RSP: 002b:00007ffd88d6c170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.833788][ T1351] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1823b5254e
[   38.833791][ T1351] RDX: 0000000000000000 RSI: 00007ffd88d6c220 RDI: 0000000000000005
[   38.833792][ T1351] RBP: 00007ffd88d6c180 R08: 0000000000000000 R09: 0000000000000000
[   38.833794][ T1351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8c4
[   38.833795][ T1351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd88d6c8e0
| [   41.429498][ T1417] softirqs last disabled at (0): 0x0
| [   41.429500][ T1417] Preemption disabled at:
| [   41.429501][ T1417] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.429511][ T1417] Tainted: [W]=WARN
[   41.429512][ T1417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.429514][ T1417] Call Trace:
[   41.429516][ T1417]  <TASK>
[   41.429517][ T1417]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.429522][ T1417]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.429523][ T1417]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.429527][ T1417]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.429530][ T1417]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   41.429533][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429537][ T1417]  __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))
[   41.429540][ T1417]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.429542][ T1417]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.429546][ T1417]  ? 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)
[   41.429548][ T1417]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.429550][ T1417]  put_chars (drivers/char/virtio_console.c:1176)
[   41.429551][ T1417]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.429553][ T1417]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   41.429555][ T1417]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.429559][ T1417]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.429560][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429562][ T1417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.429564][ T1417]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.429566][ T1417]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.429568][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429570][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429572][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429573][ T1417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.429575][ T1417]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   41.429577][ T1417]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.429579][ T1417]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.429582][ T1417]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.429583][ T1417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.429585][ T1417]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.429586][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429588][ T1417]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.429589][ T1417]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.429591][ T1417]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   41.429593][ T1417]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.429594][ T1417]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.429596][ T1417]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.429599][ T1417]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.429600][ T1417]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.429603][ T1417]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.429606][ T1417]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.429607][ T1417]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.429610][ T1417]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.429611][ T1417]  ? __sys_sendmsg (net/socket.c:2799)
[   41.429613][ T1417]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.429617][ T1417]  _printk (kernel/printk/printk.c:2504)
[   41.429620][ T1417]  ? snapshot_read.cold (user.c:?)
[   41.429622][ T1417]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.429625][ T1417]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.429626][ T1417]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.429628][ T1417]  ? netdev_notice (net/core/dev.c:13194)
[   41.429630][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429631][ T1417]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   41.429634][ T1417]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   41.429636][ T1417]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   41.429637][ T1417]  ? 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)
[   41.429640][ T1417]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   41.429642][ T1417]  dev_set_allmulti (net/core/dev_api.c:315)
[   41.429645][ T1417] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   41.429657][ T1417]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.429660][ T1417]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.429663][ T1417] br_del_if (net/bridge/br_if.c:732) bridge
[   41.429670][ T1417]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.429672][ T1417]  do_set_master (net/core/rtnetlink.c:3055)
[   41.429674][ T1417]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.429678][ T1417]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.429680][ T1417]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.429681][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429683][ T1417]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.429687][ T1417]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.429689][ T1417]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.429691][ T1417]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.429692][ T1417]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.429694][ T1417]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   41.429695][ T1417]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   41.429696][ T1417]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.429697][ T1417]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.429698][ T1417]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.429700][ T1417]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.429701][ T1417]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.429702][ T1417]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.429704][ T1417]  ? __sys_sendmsg (net/socket.c:2799)
[   41.429705][ T1417]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.429706][ T1417]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.429708][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429710][ T1417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.429711][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429713][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429715][ T1417]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.429717][ T1417]  ? __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)
[   41.429719][ T1417]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.429720][ T1417]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.429722][ T1417]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.429723][ T1417]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.429725][ T1417]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.429727][ T1417]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.429729][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429733][ T1417]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.429735][ T1417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.429736][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429738][ T1417]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   41.429740][ T1417]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.429741][ T1417]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.429743][ T1417]  ? __kernel_text_address (kernel/extable.c:79)
[   41.429744][ T1417]  ? write_profile (profile.c:?)
[   41.429745][ T1417]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   41.429748][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429749][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429751][ T1417]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   41.429754][ T1417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.429756][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429757][ T1417]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.429759][ T1417]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.429760][ T1417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.429761][ T1417]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.429763][ T1417]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.429765][ T1417]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.429766][ T1417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.429768][ T1417]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.429769][ T1417]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.429770][ T1417]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   41.429773][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429775][ T1417]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.429776][ T1417]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.429778][ T1417]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.429780][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429782][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429783][ T1417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.429785][ T1417]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.429787][ T1417]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.429789][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429790][ T1417]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.429792][ T1417]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.429794][ T1417]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.429795][ T1417]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.429797][ T1417]  ? move_addr_to_kernel (net/socket.c:258)
[   41.429798][ T1417]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.429801][ T1417]  ___sys_sendmsg (net/socket.c:2767)
[   41.429802][ T1417]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.429807][ T1417]  __sys_sendmsg (net/socket.c:2799)
[   41.429809][ T1417]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.429812][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.429814][ T1417]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.429815][ T1417]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.429817][ T1417]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.429819][ T1417] RIP: 0033:0x7f175126754e
[   41.429820][ T1417] 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
[   41.429822][ T1417] RSP: 002b:00007ffff67577f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.429826][ T1417] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f175126754e
[   41.429827][ T1417] RDX: 0000000000000000 RSI: 00007ffff67578a0 RDI: 0000000000000005
[   41.429828][ T1417] RBP: 00007ffff6757800 R08: 0000000000000000 R09: 0000000000000000
[   41.429829][ T1417] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8c6
[   41.429830][ T1417] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff6757f60
| [   44.186431][ T1522] softirqs last disabled at (0): 0x0
| [   44.186432][ T1522] Preemption disabled at:
| [   44.186433][ T1522] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.186444][ T1522] Tainted: [W]=WARN
[   44.186445][ T1522] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.186447][ T1522] Call Trace:
[   44.186449][ T1522]  <TASK>
[   44.186450][ T1522]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.186455][ T1522]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.186457][ T1522]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.186461][ T1522]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.186464][ T1522]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   44.186467][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186470][ T1522]  __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))
[   44.186473][ T1522]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   44.186476][ T1522]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.186480][ T1522]  ? 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)
[   44.186481][ T1522]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.186483][ T1522]  put_chars (drivers/char/virtio_console.c:1176)
[   44.186485][ T1522]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.186487][ T1522]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   44.186489][ T1522]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.186493][ T1522]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.186494][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186496][ T1522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.186498][ T1522]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.186500][ T1522]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.186502][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186504][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186505][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186507][ T1522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.186509][ T1522]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   44.186510][ T1522]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.186512][ T1522]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.186515][ T1522]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.186517][ T1522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.186518][ T1522]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.186520][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186521][ T1522]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.186523][ T1522]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.186524][ T1522]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   44.186526][ T1522]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.186528][ T1522]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.186530][ T1522]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.186532][ T1522]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.186534][ T1522]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.186537][ T1522]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.186540][ T1522]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.186541][ T1522]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.186543][ T1522]  ? ___sys_sendmsg (net/socket.c:2767)
[   44.186545][ T1522]  ? __sys_sendmsg (net/socket.c:2799)
[   44.186547][ T1522]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.186550][ T1522]  _printk (kernel/printk/printk.c:2504)
[   44.186553][ T1522]  ? snapshot_read.cold (user.c:?)
[   44.186555][ T1522]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.186558][ T1522]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.186560][ T1522]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.186562][ T1522]  ? netdev_notice (net/core/dev.c:13194)
[   44.186563][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186565][ T1522]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   44.186567][ T1522]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   44.186569][ T1522]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   44.186571][ T1522]  ? 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)
[   44.186574][ T1522]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   44.186577][ T1522]  dev_set_allmulti (net/core/dev_api.c:315)
[   44.186579][ T1522] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   44.186592][ T1522]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   44.186595][ T1522]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   44.186598][ T1522] br_del_if (net/bridge/br_if.c:732) bridge
[   44.186605][ T1522]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   44.186607][ T1522]  do_set_master (net/core/rtnetlink.c:3055)
[   44.186610][ T1522]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   44.186613][ T1522]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.186615][ T1522]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.186616][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186618][ T1522]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.186621][ T1522]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.186624][ T1522]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.186625][ T1522]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.186627][ T1522]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.186628][ T1522]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   44.186630][ T1522]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   44.186631][ T1522]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.186632][ T1522]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.186633][ T1522]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.186634][ T1522]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.186636][ T1522]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.186637][ T1522]  ? ___sys_sendmsg (net/socket.c:2767)
[   44.186638][ T1522]  ? __sys_sendmsg (net/socket.c:2799)
[   44.186640][ T1522]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.186641][ T1522]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.186644][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186645][ T1522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.186647][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186648][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186650][ T1522]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.186652][ T1522]  ? __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)
[   44.186654][ T1522]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.186656][ T1522]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.186657][ T1522]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.186658][ T1522]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.186661][ T1522]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.186663][ T1522]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.186665][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186667][ T1522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.186668][ T1522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.186669][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186671][ T1522]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   44.186673][ T1522]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   44.186675][ T1522]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   44.186676][ T1522]  ? __kernel_text_address (kernel/extable.c:79)
[   44.186677][ T1522]  ? write_profile (profile.c:?)
[   44.186679][ T1522]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.186681][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186683][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186685][ T1522]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   44.186688][ T1522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.186689][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186691][ T1522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.186692][ T1522]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.186694][ T1522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.186695][ T1522]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.186697][ T1522]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.186699][ T1522]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.186700][ T1522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.186702][ T1522]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.186703][ T1522]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.186704][ T1522]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   44.186707][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186708][ T1522]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.186710][ T1522]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.186712][ T1522]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.186714][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186716][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186717][ T1522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.186719][ T1522]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.186721][ T1522]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.186723][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186724][ T1522]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.186726][ T1522]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.186728][ T1522]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.186729][ T1522]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.186733][ T1522]  ? move_addr_to_kernel (net/socket.c:258)
[   44.186735][ T1522]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.186737][ T1522]  ___sys_sendmsg (net/socket.c:2767)
[   44.186739][ T1522]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.186744][ T1522]  __sys_sendmsg (net/socket.c:2799)
[   44.186746][ T1522]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.186749][ T1522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.186751][ T1522]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.186753][ T1522]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.186755][ T1522]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.186756][ T1522] RIP: 0033:0x7f496468554e
[   44.186758][ T1522] 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
[   44.186760][ T1522] RSP: 002b:00007ffd47b6ab50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.186764][ T1522] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f496468554e
[   44.186765][ T1522] RDX: 0000000000000000 RSI: 00007ffd47b6ac00 RDI: 0000000000000005
[   44.186767][ T1522] RBP: 00007ffd47b6ab60 R08: 0000000000000000 R09: 0000000000000000
[   44.186767][ T1522] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8c9
[   44.186768][ T1522] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd47b6b2c0
| [   47.165334][ T1645] softirqs last disabled at (0): 0x0
| [   47.165336][ T1645] Preemption disabled at:
| [   47.165337][ T1645] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.165352][ T1645] Tainted: [W]=WARN
[   47.165353][ T1645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.165355][ T1645] Call Trace:
[   47.165357][ T1645]  <TASK>
[   47.165359][ T1645]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.165365][ T1645]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.165368][ T1645]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.165373][ T1645]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.165377][ T1645]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   47.165381][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165385][ T1645]  __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))
[   47.165389][ T1645]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   47.165393][ T1645]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.165398][ T1645]  ? 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)
[   47.165400][ T1645]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.165403][ T1645]  put_chars (drivers/char/virtio_console.c:1176)
[   47.165406][ T1645]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.165409][ T1645]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   47.165413][ T1645]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.165417][ T1645]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.165419][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165422][ T1645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.165425][ T1645]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.165429][ T1645]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.165432][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165434][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165437][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165439][ T1645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.165443][ T1645]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   47.165445][ T1645]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.165448][ T1645]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.165452][ T1645]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.165455][ T1645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.165457][ T1645]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.165460][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165462][ T1645]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.165464][ T1645]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.165467][ T1645]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   47.165470][ T1645]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.165472][ T1645]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.165475][ T1645]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.165479][ T1645]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.165481][ T1645]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.165485][ T1645]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.165488][ T1645]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.165491][ T1645]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.165494][ T1645]  ? ___sys_sendmsg (net/socket.c:2767)
[   47.165496][ T1645]  ? __sys_sendmsg (net/socket.c:2799)
[   47.165499][ T1645]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.165503][ T1645]  _printk (kernel/printk/printk.c:2504)
[   47.165507][ T1645]  ? snapshot_read.cold (user.c:?)
[   47.165510][ T1645]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.165514][ T1645]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.165517][ T1645]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.165519][ T1645]  ? netdev_notice (net/core/dev.c:13194)
[   47.165522][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165525][ T1645]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   47.165527][ T1645]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   47.165531][ T1645]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   47.165533][ T1645]  ? 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)
[   47.165537][ T1645]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   47.165541][ T1645]  dev_set_allmulti (net/core/dev_api.c:315)
[   47.165544][ T1645] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   47.165561][ T1645]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   47.165566][ T1645]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.165569][ T1645] br_del_if (net/bridge/br_if.c:732) bridge
[   47.165582][ T1645]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   47.165585][ T1645]  do_set_master (net/core/rtnetlink.c:3055)
[   47.165589][ T1645]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   47.165593][ T1645]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.165596][ T1645]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.165598][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165601][ T1645]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   47.165606][ T1645]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.165609][ T1645]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.165612][ T1645]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.165614][ T1645]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   47.165616][ T1645]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   47.165618][ T1645]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   47.165620][ T1645]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.165622][ T1645]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.165625][ T1645]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.165627][ T1645]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.165629][ T1645]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.165631][ T1645]  ? ___sys_sendmsg (net/socket.c:2767)
[   47.165633][ T1645]  ? __sys_sendmsg (net/socket.c:2799)
[   47.165635][ T1645]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.165637][ T1645]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.165641][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165644][ T1645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.165646][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165648][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165651][ T1645]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.165654][ T1645]  ? __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)
[   47.165657][ T1645]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.165659][ T1645]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.165662][ T1645]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.165664][ T1645]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.165667][ T1645]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.165671][ T1645]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.165674][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165677][ T1645]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.165679][ T1645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.165681][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165684][ T1645]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   47.165687][ T1645]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   47.165690][ T1645]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.165692][ T1645]  ? __kernel_text_address (kernel/extable.c:79)
[   47.165694][ T1645]  ? write_profile (profile.c:?)
[   47.165696][ T1645]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.165700][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165702][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165705][ T1645]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   47.165709][ T1645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.165712][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165715][ T1645]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.165717][ T1645]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.165720][ T1645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.165722][ T1645]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   47.165724][ T1645]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   47.165728][ T1645]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.165733][ T1645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.165736][ T1645]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.165738][ T1645]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.165740][ T1645]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   47.165744][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165747][ T1645]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.165750][ T1645]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.165753][ T1645]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.165756][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165758][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165761][ T1645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.165764][ T1645]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.165767][ T1645]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.165770][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165773][ T1645]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.165776][ T1645]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.165778][ T1645]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.165781][ T1645]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.165783][ T1645]  ? move_addr_to_kernel (net/socket.c:258)
[   47.165785][ T1645]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   47.165790][ T1645]  ___sys_sendmsg (net/socket.c:2767)
[   47.165792][ T1645]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.165800][ T1645]  __sys_sendmsg (net/socket.c:2799)
[   47.165803][ T1645]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.165807][ T1645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.165811][ T1645]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.165813][ T1645]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.165816][ T1645]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.165818][ T1645] RIP: 0033:0x7fb9ac4c954e
[   47.165822][ T1645] 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
[   47.165825][ T1645] RSP: 002b:00007ffc1f7c52a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.165830][ T1645] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb9ac4c954e
[   47.165832][ T1645] RDX: 0000000000000000 RSI: 00007ffc1f7c5350 RDI: 0000000000000005
[   47.165833][ T1645] RBP: 00007ffc1f7c52b0 R08: 0000000000000000 R09: 0000000000000000
[   47.165835][ T1645] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8cc
[   47.165836][ T1645] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1f7c5a10
| [   50.076368][ T1753] softirqs last disabled at (0): 0x0
| [   50.076369][ T1753] Preemption disabled at:
| [   50.076370][ T1753] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.076381][ T1753] Tainted: [W]=WARN
[   50.076382][ T1753] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.076384][ T1753] Call Trace:
[   50.076385][ T1753]  <TASK>
[   50.076387][ T1753]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.076392][ T1753]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.076394][ T1753]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.076398][ T1753]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.076401][ T1753]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   50.076404][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076408][ T1753]  __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))
[   50.076411][ T1753]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   50.076414][ T1753]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.076418][ T1753]  ? 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)
[   50.076420][ T1753]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.076422][ T1753]  put_chars (drivers/char/virtio_console.c:1176)
[   50.076424][ T1753]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.076425][ T1753]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   50.076437][ T1753]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.076440][ T1753]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.076441][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076443][ T1753]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.076445][ T1753]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.076448][ T1753]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.076450][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076451][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076453][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076455][ T1753]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.076456][ T1753]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   50.076458][ T1753]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.076460][ T1753]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.076463][ T1753]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.076465][ T1753]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.076466][ T1753]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.076468][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076469][ T1753]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.076471][ T1753]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.076472][ T1753]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   50.076474][ T1753]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.076476][ T1753]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.076478][ T1753]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.076480][ T1753]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.076482][ T1753]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.076485][ T1753]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.076488][ T1753]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.076489][ T1753]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.076492][ T1753]  ? ___sys_sendmsg (net/socket.c:2767)
[   50.076493][ T1753]  ? __sys_sendmsg (net/socket.c:2799)
[   50.076495][ T1753]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.076498][ T1753]  _printk (kernel/printk/printk.c:2504)
[   50.076502][ T1753]  ? snapshot_read.cold (user.c:?)
[   50.076504][ T1753]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.076507][ T1753]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.076508][ T1753]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.076510][ T1753]  ? netdev_notice (net/core/dev.c:13194)
[   50.076512][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076514][ T1753]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   50.076515][ T1753]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   50.076518][ T1753]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   50.076520][ T1753]  ? 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)
[   50.076522][ T1753]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   50.076525][ T1753]  dev_set_allmulti (net/core/dev_api.c:315)
[   50.076528][ T1753] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   50.076540][ T1753]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   50.076544][ T1753]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   50.076547][ T1753] br_del_if (net/bridge/br_if.c:732) bridge
[   50.076554][ T1753]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.076556][ T1753]  do_set_master (net/core/rtnetlink.c:3055)
[   50.076559][ T1753]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   50.076562][ T1753]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.076564][ T1753]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.076566][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076567][ T1753]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   50.076571][ T1753]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.076574][ T1753]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.076576][ T1753]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.076577][ T1753]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.076579][ T1753]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   50.076581][ T1753]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   50.076582][ T1753]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.076583][ T1753]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.076585][ T1753]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.076586][ T1753]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.076588][ T1753]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.076589][ T1753]  ? ___sys_sendmsg (net/socket.c:2767)
[   50.076591][ T1753]  ? __sys_sendmsg (net/socket.c:2799)
[   50.076592][ T1753]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.076593][ T1753]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.076596][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076598][ T1753]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.076599][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076601][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076603][ T1753]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.076605][ T1753]  ? __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)
[   50.076607][ T1753]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.076608][ T1753]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.076610][ T1753]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.076611][ T1753]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.076613][ T1753]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.076615][ T1753]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.076617][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076619][ T1753]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.076620][ T1753]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.076622][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076624][ T1753]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   50.076626][ T1753]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   50.076627][ T1753]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   50.076629][ T1753]  ? __kernel_text_address (kernel/extable.c:79)
[   50.076630][ T1753]  ? write_profile (profile.c:?)
[   50.076631][ T1753]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.076634][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076635][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076637][ T1753]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   50.076640][ T1753]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.076642][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076644][ T1753]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.076645][ T1753]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.076646][ T1753]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.076648][ T1753]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   50.076649][ T1753]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   50.076651][ T1753]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.076653][ T1753]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.076654][ T1753]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.076656][ T1753]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.076657][ T1753]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   50.076659][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076661][ T1753]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.076663][ T1753]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.076665][ T1753]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.076666][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076668][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076670][ T1753]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.076672][ T1753]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.076673][ T1753]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.076675][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076677][ T1753]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.076679][ T1753]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.076680][ T1753]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.076682][ T1753]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.076684][ T1753]  ? move_addr_to_kernel (net/socket.c:258)
[   50.076685][ T1753]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   50.076687][ T1753]  ___sys_sendmsg (net/socket.c:2767)
[   50.076689][ T1753]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.076694][ T1753]  __sys_sendmsg (net/socket.c:2799)
[   50.076696][ T1753]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.076698][ T1753]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.076700][ T1753]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.076702][ T1753]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.076704][ T1753]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.076705][ T1753] RIP: 0033:0x7f81772da54e
[   50.076707][ T1753] 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
[   50.076709][ T1753] RSP: 002b:00007ffe3081dbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.076713][ T1753] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f81772da54e
[   50.076714][ T1753] RDX: 0000000000000000 RSI: 00007ffe3081dc60 RDI: 0000000000000005
[   50.076715][ T1753] RBP: 00007ffe3081dbc0 R08: 0000000000000000 R09: 0000000000000000
[   50.076716][ T1753] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8cf
[   50.076717][ T1753] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3081e320
| [   52.840202][ T1848] softirqs last disabled at (0): 0x0
| [   52.840204][ T1848] Preemption disabled at:
| [   52.840205][ T1848] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.840223][ T1848] Tainted: [W]=WARN
[   52.840224][ T1848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.840226][ T1848] Call Trace:
[   52.840227][ T1848]  <TASK>
[   52.840229][ T1848]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.840234][ T1848]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.840236][ T1848]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.840240][ T1848]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.840244][ T1848]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   52.840247][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840251][ T1848]  __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))
[   52.840254][ T1848]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.840256][ T1848]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.840260][ T1848]  ? 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)
[   52.840262][ T1848]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.840264][ T1848]  put_chars (drivers/char/virtio_console.c:1176)
[   52.840266][ T1848]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.840267][ T1848]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   52.840270][ T1848]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.840273][ T1848]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.840275][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840277][ T1848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.840279][ T1848]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.840281][ T1848]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.840283][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840285][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840287][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840288][ T1848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.840290][ T1848]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   52.840292][ T1848]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.840294][ T1848]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.840297][ T1848]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.840299][ T1848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.840300][ T1848]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.840302][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840304][ T1848]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.840305][ T1848]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   52.840306][ T1848]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   52.840308][ T1848]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.840310][ T1848]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.840312][ T1848]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.840315][ T1848]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.840316][ T1848]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.840320][ T1848]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.840322][ T1848]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.840324][ T1848]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.840326][ T1848]  ? ___sys_sendmsg (net/socket.c:2767)
[   52.840328][ T1848]  ? __sys_sendmsg (net/socket.c:2799)
[   52.840329][ T1848]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.840333][ T1848]  _printk (kernel/printk/printk.c:2504)
[   52.840336][ T1848]  ? snapshot_read.cold (user.c:?)
[   52.840338][ T1848]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.840341][ T1848]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.840343][ T1848]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.840345][ T1848]  ? netdev_notice (net/core/dev.c:13194)
[   52.840346][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840348][ T1848]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   52.840350][ T1848]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   52.840353][ T1848]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   52.840354][ T1848]  ? 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)
[   52.840357][ T1848]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   52.840360][ T1848]  dev_set_allmulti (net/core/dev_api.c:315)
[   52.840363][ T1848] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   52.840376][ T1848]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   52.840379][ T1848]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   52.840382][ T1848] br_del_if (net/bridge/br_if.c:732) bridge
[   52.840389][ T1848]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.840392][ T1848]  do_set_master (net/core/rtnetlink.c:3055)
[   52.840394][ T1848]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   52.840398][ T1848]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.840400][ T1848]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.840401][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840403][ T1848]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   52.840407][ T1848]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.840409][ T1848]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.840411][ T1848]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.840412][ T1848]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   52.840414][ T1848]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   52.840415][ T1848]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   52.840416][ T1848]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.840417][ T1848]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.840419][ T1848]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.840420][ T1848]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.840421][ T1848]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.840423][ T1848]  ? ___sys_sendmsg (net/socket.c:2767)
[   52.840424][ T1848]  ? __sys_sendmsg (net/socket.c:2799)
[   52.840426][ T1848]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.840427][ T1848]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.840429][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840431][ T1848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.840432][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840434][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840436][ T1848]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.840438][ T1848]  ? __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)
[   52.840440][ T1848]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.840442][ T1848]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.840443][ T1848]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.840445][ T1848]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.840447][ T1848]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.840449][ T1848]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.840451][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840453][ T1848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.840454][ T1848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.840455][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840457][ T1848]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   52.840459][ T1848]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   52.840461][ T1848]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   52.840462][ T1848]  ? __kernel_text_address (kernel/extable.c:79)
[   52.840463][ T1848]  ? write_profile (profile.c:?)
[   52.840465][ T1848]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   52.840467][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840469][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840471][ T1848]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   52.840474][ T1848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.840476][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840477][ T1848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.840479][ T1848]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.840480][ T1848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.840482][ T1848]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   52.840483][ T1848]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   52.840486][ T1848]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.840487][ T1848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.840488][ T1848]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.840490][ T1848]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.840491][ T1848]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   52.840494][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840495][ T1848]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.840497][ T1848]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.840499][ T1848]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.840501][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840503][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840504][ T1848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.840506][ T1848]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.840508][ T1848]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.840510][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840512][ T1848]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.840513][ T1848]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.840515][ T1848]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.840517][ T1848]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   52.840518][ T1848]  ? move_addr_to_kernel (net/socket.c:258)
[   52.840520][ T1848]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   52.840522][ T1848]  ___sys_sendmsg (net/socket.c:2767)
[   52.840524][ T1848]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.840529][ T1848]  __sys_sendmsg (net/socket.c:2799)
[   52.840531][ T1848]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.840534][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.840536][ T1848]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.840537][ T1848]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.840539][ T1848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.840541][ T1848] RIP: 0033:0x7f005251754e
[   52.840543][ T1848] 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
[   52.840545][ T1848] RSP: 002b:00007ffff3d170f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.840549][ T1848] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f005251754e
[   52.840550][ T1848] RDX: 0000000000000000 RSI: 00007ffff3d171a0 RDI: 0000000000000005
[   52.840551][ T1848] RBP: 00007ffff3d17100 R08: 0000000000000000 R09: 0000000000000000
[   52.840552][ T1848] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8d2
[   52.840553][ T1848] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff3d17860
| [   55.728867][ T1964] softirqs last disabled at (0): 0x0
| [   55.728868][ T1964] Preemption disabled at:
| [   55.728869][ T1964] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.728880][ T1964] Tainted: [W]=WARN
[   55.728881][ T1964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.728883][ T1964] Call Trace:
[   55.728884][ T1964]  <TASK>
[   55.728885][ T1964]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.728890][ T1964]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.728892][ T1964]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.728896][ T1964]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.728900][ T1964]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   55.728903][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.728906][ T1964]  __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))
[   55.728910][ T1964]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   55.728912][ T1964]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.728916][ T1964]  ? 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)
[   55.728918][ T1964]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.728920][ T1964]  put_chars (drivers/char/virtio_console.c:1176)
[   55.728922][ T1964]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.728924][ T1964]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   55.728926][ T1964]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.728929][ T1964]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.728931][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.728932][ T1964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.728934][ T1964]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.728937][ T1964]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.728939][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.728941][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.728942][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.728944][ T1964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.728946][ T1964]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   55.728948][ T1964]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.728950][ T1964]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.728952][ T1964]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.728954][ T1964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.728955][ T1964]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.728957][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.728959][ T1964]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   55.728960][ T1964]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.728961][ T1964]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   55.728963][ T1964]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.728965][ T1964]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.728967][ T1964]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.728970][ T1964]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.728971][ T1964]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.728974][ T1964]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.728977][ T1964]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.728978][ T1964]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.728981][ T1964]  ? ___sys_sendmsg (net/socket.c:2767)
[   55.728982][ T1964]  ? __sys_sendmsg (net/socket.c:2799)
[   55.728984][ T1964]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.728987][ T1964]  _printk (kernel/printk/printk.c:2504)
[   55.728990][ T1964]  ? snapshot_read.cold (user.c:?)
[   55.728992][ T1964]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   55.728995][ T1964]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   55.728997][ T1964]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   55.728999][ T1964]  ? netdev_notice (net/core/dev.c:13194)
[   55.729001][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729003][ T1964]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   55.729004][ T1964]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   55.729006][ T1964]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   55.729008][ T1964]  ? 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)
[   55.729010][ T1964]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   55.729013][ T1964]  dev_set_allmulti (net/core/dev_api.c:315)
[   55.729016][ T1964] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   55.729028][ T1964]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   55.729032][ T1964]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   55.729035][ T1964] br_del_if (net/bridge/br_if.c:732) bridge
[   55.729042][ T1964]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.729044][ T1964]  do_set_master (net/core/rtnetlink.c:3055)
[   55.729047][ T1964]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   55.729050][ T1964]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   55.729053][ T1964]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.729054][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729055][ T1964]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   55.729059][ T1964]  ? kasan_save_stack (mm/kasan/common.c:58)
[   55.729061][ T1964]  ? kasan_save_stack (mm/kasan/common.c:57)
[   55.729063][ T1964]  ? kasan_save_track (mm/kasan/common.c:78)
[   55.729064][ T1964]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   55.729066][ T1964]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   55.729067][ T1964]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   55.729068][ T1964]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.729069][ T1964]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.729070][ T1964]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.729072][ T1964]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.729073][ T1964]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.729074][ T1964]  ? ___sys_sendmsg (net/socket.c:2767)
[   55.729075][ T1964]  ? __sys_sendmsg (net/socket.c:2799)
[   55.729077][ T1964]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.729078][ T1964]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.729081][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729082][ T1964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.729084][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729085][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729087][ T1964]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.729089][ T1964]  ? __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)
[   55.729091][ T1964]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.729093][ T1964]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.729094][ T1964]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.729095][ T1964]  ? nla_get_range_signed (lib/nlattr.c:270)
[   55.729098][ T1964]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   55.729100][ T1964]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.729102][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729103][ T1964]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.729105][ T1964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.729106][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729108][ T1964]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   55.729110][ T1964]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   55.729111][ T1964]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   55.729113][ T1964]  ? __kernel_text_address (kernel/extable.c:79)
[   55.729114][ T1964]  ? write_profile (profile.c:?)
[   55.729115][ T1964]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   55.729117][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729119][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729121][ T1964]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   55.729124][ T1964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.729125][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729127][ T1964]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.729129][ T1964]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.729130][ T1964]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.729131][ T1964]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   55.729133][ T1964]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   55.729135][ T1964]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.729137][ T1964]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.729138][ T1964]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   55.729139][ T1964]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.729141][ T1964]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   55.729143][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729145][ T1964]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   55.729147][ T1964]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.729148][ T1964]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.729150][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729152][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729153][ T1964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.729155][ T1964]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.729157][ T1964]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.729159][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729161][ T1964]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   55.729162][ T1964]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.729164][ T1964]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.729166][ T1964]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.729167][ T1964]  ? move_addr_to_kernel (net/socket.c:258)
[   55.729168][ T1964]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   55.729171][ T1964]  ___sys_sendmsg (net/socket.c:2767)
[   55.729173][ T1964]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.729177][ T1964]  __sys_sendmsg (net/socket.c:2799)
[   55.729179][ T1964]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.729182][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.729184][ T1964]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.729185][ T1964]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.729187][ T1964]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.729189][ T1964] RIP: 0033:0x7f7728a2f54e
[   55.729191][ T1964] 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
[   55.729193][ T1964] RSP: 002b:00007ffce0f933b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.729196][ T1964] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7728a2f54e
[   55.729198][ T1964] RDX: 0000000000000000 RSI: 00007ffce0f93460 RDI: 0000000000000005
[   55.729198][ T1964] RBP: 00007ffce0f933c0 R08: 0000000000000000 R09: 0000000000000000
[   55.729199][ T1964] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8d5
[   55.729200][ T1964] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce0f93b20
| [   59.758529][ T2087] softirqs last disabled at (0): 0x0
| [   59.758530][ T2087] Preemption disabled at:
| [   59.758531][ T2087] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.758542][ T2087] Tainted: [W]=WARN
[   59.758543][ T2087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.758545][ T2087] Call Trace:
[   59.758546][ T2087]  <TASK>
[   59.758548][ T2087]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.758553][ T2087]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.758555][ T2087]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.758559][ T2087]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.758562][ T2087]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   59.758565][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758568][ T2087]  __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))
[   59.758571][ T2087]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   59.758574][ T2087]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.758578][ T2087]  ? 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)
[   59.758579][ T2087]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.758581][ T2087]  put_chars (drivers/char/virtio_console.c:1176)
[   59.758583][ T2087]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.758585][ T2087]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   59.758587][ T2087]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.758591][ T2087]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.758592][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758594][ T2087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.758596][ T2087]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.758599][ T2087]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.758601][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758602][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758604][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758606][ T2087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.758607][ T2087]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   59.758609][ T2087]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.758611][ T2087]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.758614][ T2087]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.758616][ T2087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.758617][ T2087]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.758619][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758620][ T2087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.758622][ T2087]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   59.758623][ T2087]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   59.758625][ T2087]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.758627][ T2087]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.758629][ T2087]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.758631][ T2087]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.758633][ T2087]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.758636][ T2087]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.758639][ T2087]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.758640][ T2087]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.758643][ T2087]  ? ___sys_sendmsg (net/socket.c:2767)
[   59.758644][ T2087]  ? __sys_sendmsg (net/socket.c:2799)
[   59.758646][ T2087]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.758649][ T2087]  _printk (kernel/printk/printk.c:2504)
[   59.758652][ T2087]  ? snapshot_read.cold (user.c:?)
[   59.758655][ T2087]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   59.758657][ T2087]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   59.758659][ T2087]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   59.758661][ T2087]  ? netdev_notice (net/core/dev.c:13194)
[   59.758663][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758664][ T2087]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   59.758666][ T2087]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   59.758669][ T2087]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   59.758670][ T2087]  ? 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)
[   59.758673][ T2087]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   59.758676][ T2087]  dev_set_allmulti (net/core/dev_api.c:315)
[   59.758678][ T2087] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   59.758691][ T2087]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   59.758694][ T2087]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   59.758697][ T2087] br_del_if (net/bridge/br_if.c:732) bridge
[   59.758704][ T2087]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   59.758707][ T2087]  do_set_master (net/core/rtnetlink.c:3055)
[   59.758709][ T2087]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   59.758713][ T2087]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   59.758715][ T2087]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   59.758716][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758718][ T2087]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   59.758721][ T2087]  ? kasan_save_stack (mm/kasan/common.c:58)
[   59.758724][ T2087]  ? kasan_save_stack (mm/kasan/common.c:57)
[   59.758725][ T2087]  ? kasan_save_track (mm/kasan/common.c:78)
[   59.758727][ T2087]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   59.758728][ T2087]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   59.758730][ T2087]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   59.758734][ T2087]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.758735][ T2087]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.758737][ T2087]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.758738][ T2087]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.758740][ T2087]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.758741][ T2087]  ? ___sys_sendmsg (net/socket.c:2767)
[   59.758742][ T2087]  ? __sys_sendmsg (net/socket.c:2799)
[   59.758744][ T2087]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.758745][ T2087]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.758747][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758749][ T2087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.758750][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758752][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758754][ T2087]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   59.758756][ T2087]  ? __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)
[   59.758758][ T2087]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   59.758759][ T2087]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.758760][ T2087]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   59.758762][ T2087]  ? nla_get_range_signed (lib/nlattr.c:270)
[   59.758764][ T2087]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   59.758766][ T2087]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.758768][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758770][ T2087]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.758771][ T2087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.758772][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758774][ T2087]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   59.758776][ T2087]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   59.758777][ T2087]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   59.758779][ T2087]  ? __kernel_text_address (kernel/extable.c:79)
[   59.758780][ T2087]  ? write_profile (profile.c:?)
[   59.758781][ T2087]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   59.758784][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758785][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758787][ T2087]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   59.758790][ T2087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.758791][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758793][ T2087]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.758794][ T2087]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.758796][ T2087]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.758797][ T2087]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   59.758798][ T2087]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   59.758801][ T2087]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.758802][ T2087]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.758804][ T2087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.758805][ T2087]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.758806][ T2087]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   59.758809][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758810][ T2087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.758812][ T2087]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.758814][ T2087]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.758816][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758817][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758819][ T2087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.758821][ T2087]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.758823][ T2087]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.758825][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758826][ T2087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.758828][ T2087]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.758830][ T2087]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.758831][ T2087]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   59.758833][ T2087]  ? move_addr_to_kernel (net/socket.c:258)
[   59.758834][ T2087]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   59.758836][ T2087]  ___sys_sendmsg (net/socket.c:2767)
[   59.758838][ T2087]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.758843][ T2087]  __sys_sendmsg (net/socket.c:2799)
[   59.758845][ T2087]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.758847][ T2087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.758849][ T2087]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.758851][ T2087]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.758853][ T2087]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.758854][ T2087] RIP: 0033:0x7f939cced54e
[   59.758856][ T2087] 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
[   59.758858][ T2087] RSP: 002b:00007ffca37c6180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.758861][ T2087] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f939cced54e
[   59.758863][ T2087] RDX: 0000000000000000 RSI: 00007ffca37c6230 RDI: 0000000000000005
[   59.758864][ T2087] RBP: 00007ffca37c6190 R08: 0000000000000000 R09: 0000000000000000
[   59.758865][ T2087] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8d9
[   59.758865][ T2087] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca37c68f0
| [   62.632038][ T2210] softirqs last disabled at (0): 0x0
| [   62.632040][ T2210] Preemption disabled at:
| [   62.632040][ T2210] vprintk_emit (kernel/printk/printk.c:2471)
| [   62.632051][ T2210] Tainted: [W]=WARN
[   62.632052][ T2210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.632054][ T2210] Call Trace:
[   62.632055][ T2210]  <TASK>
[   62.632057][ T2210]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.632062][ T2210]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   62.632064][ T2210]  __might_resched.cold (kernel/sched/core.c:9234)
[   62.632067][ T2210]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.632071][ T2210]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   62.632073][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632077][ T2210]  __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))
[   62.632080][ T2210]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   62.632083][ T2210]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.632087][ T2210]  ? 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)
[   62.632088][ T2210]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.632090][ T2210]  put_chars (drivers/char/virtio_console.c:1176)
[   62.632092][ T2210]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   62.632094][ T2210]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   62.632096][ T2210]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   62.632100][ T2210]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   62.632101][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632103][ T2210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.632105][ T2210]  console_emit_next_record (kernel/printk/printk.c:3183)
[   62.632108][ T2210]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   62.632110][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632111][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632113][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632115][ T2210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.632117][ T2210]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   62.632118][ T2210]  console_flush_one_record (kernel/printk/printk.c:3268)
[   62.632120][ T2210]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   62.632123][ T2210]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   62.632125][ T2210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.632126][ T2210]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   62.632128][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632130][ T2210]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.632131][ T2210]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   62.632133][ T2210]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   62.632135][ T2210]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   62.632137][ T2210]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   62.632139][ T2210]  vprintk_emit (kernel/printk/printk.c:2479)
[   62.632141][ T2210]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.632143][ T2210]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.632146][ T2210]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.632149][ T2210]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.632150][ T2210]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.632153][ T2210]  ? ___sys_sendmsg (net/socket.c:2767)
[   62.632154][ T2210]  ? __sys_sendmsg (net/socket.c:2799)
[   62.632156][ T2210]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.632160][ T2210]  _printk (kernel/printk/printk.c:2504)
[   62.632163][ T2210]  ? snapshot_read.cold (user.c:?)
[   62.632165][ T2210]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   62.632168][ T2210]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   62.632170][ T2210]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   62.632172][ T2210]  ? netdev_notice (net/core/dev.c:13194)
[   62.632174][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632176][ T2210]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   62.632177][ T2210]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   62.632180][ T2210]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   62.632182][ T2210]  ? 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)
[   62.632184][ T2210]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   62.632187][ T2210]  dev_set_allmulti (net/core/dev_api.c:315)
[   62.632190][ T2210] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   62.632202][ T2210]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   62.632206][ T2210]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   62.632209][ T2210] br_del_if (net/bridge/br_if.c:732) bridge
[   62.632216][ T2210]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.632218][ T2210]  do_set_master (net/core/rtnetlink.c:3055)
[   62.632221][ T2210]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   62.632224][ T2210]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   62.632227][ T2210]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   62.632228][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632229][ T2210]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   62.632233][ T2210]  ? kasan_save_stack (mm/kasan/common.c:58)
[   62.632236][ T2210]  ? kasan_save_stack (mm/kasan/common.c:57)
[   62.632237][ T2210]  ? kasan_save_track (mm/kasan/common.c:78)
[   62.632238][ T2210]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   62.632240][ T2210]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   62.632241][ T2210]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   62.632242][ T2210]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.632243][ T2210]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.632245][ T2210]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.632246][ T2210]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.632247][ T2210]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.632249][ T2210]  ? ___sys_sendmsg (net/socket.c:2767)
[   62.632250][ T2210]  ? __sys_sendmsg (net/socket.c:2799)
[   62.632251][ T2210]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.632252][ T2210]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.632255][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632257][ T2210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.632258][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632260][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632261][ T2210]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   62.632263][ T2210]  ? __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)
[   62.632266][ T2210]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   62.632267][ T2210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   62.632268][ T2210]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   62.632270][ T2210]  ? nla_get_range_signed (lib/nlattr.c:270)
[   62.632272][ T2210]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   62.632274][ T2210]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.632283][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632286][ T2210]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.632287][ T2210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.632288][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632290][ T2210]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   62.632292][ T2210]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   62.632294][ T2210]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   62.632295][ T2210]  ? __kernel_text_address (kernel/extable.c:79)
[   62.632297][ T2210]  ? write_profile (profile.c:?)
[   62.632298][ T2210]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   62.632300][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632302][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632304][ T2210]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   62.632308][ T2210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.632309][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632311][ T2210]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.632312][ T2210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.632314][ T2210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.632315][ T2210]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   62.632316][ T2210]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   62.632319][ T2210]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.632320][ T2210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.632322][ T2210]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.632323][ T2210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.632324][ T2210]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   62.632327][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632329][ T2210]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.632331][ T2210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.632333][ T2210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.632334][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632336][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632338][ T2210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.632339][ T2210]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.632341][ T2210]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   62.632343][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632345][ T2210]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.632347][ T2210]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.632348][ T2210]  ? copy_msghdr_from_user (net/socket.c:2650)
[   62.632350][ T2210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   62.632352][ T2210]  ? move_addr_to_kernel (net/socket.c:258)
[   62.632353][ T2210]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   62.632356][ T2210]  ___sys_sendmsg (net/socket.c:2767)
[   62.632357][ T2210]  ? copy_msghdr_from_user (net/socket.c:2619)
[   62.632362][ T2210]  __sys_sendmsg (net/socket.c:2799)
[   62.632364][ T2210]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   62.632367][ T2210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.632369][ T2210]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.632370][ T2210]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   62.632372][ T2210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.632374][ T2210] RIP: 0033:0x7f1ef22ec54e
[   62.632376][ T2210] 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
[   62.632378][ T2210] RSP: 002b:00007ffebf6988a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.632382][ T2210] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1ef22ec54e
[   62.632383][ T2210] RDX: 0000000000000000 RSI: 00007ffebf698950 RDI: 0000000000000005
[   62.632384][ T2210] RBP: 00007ffebf6988b0 R08: 0000000000000000 R09: 0000000000000000
[   62.632385][ T2210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8db
[   62.632386][ T2210] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebf699010
| [   65.208721][ T2276] softirqs last disabled at (0): 0x0
| [   65.208723][ T2276] Preemption disabled at:
| [   65.208724][ T2276] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.208737][ T2276] Tainted: [W]=WARN
[   65.208738][ T2276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.208740][ T2276] Call Trace:
[   65.208742][ T2276]  <TASK>
[   65.208743][ T2276]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.208749][ T2276]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.208751][ T2276]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.208755][ T2276]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.208758][ T2276]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   65.208761][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208765][ T2276]  __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))
[   65.208768][ T2276]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.208771][ T2276]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.208775][ T2276]  ? 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)
[   65.208776][ T2276]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.208778][ T2276]  put_chars (drivers/char/virtio_console.c:1176)
[   65.208780][ T2276]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.208782][ T2276]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   65.208784][ T2276]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.208788][ T2276]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.208789][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208791][ T2276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.208793][ T2276]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.208795][ T2276]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.208797][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208799][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208801][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208802][ T2276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.208804][ T2276]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   65.208806][ T2276]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.208808][ T2276]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.208811][ T2276]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.208813][ T2276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.208814][ T2276]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.208816][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208818][ T2276]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.208819][ T2276]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   65.208821][ T2276]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   65.208823][ T2276]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.208825][ T2276]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.208827][ T2276]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.208829][ T2276]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.208831][ T2276]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.208834][ T2276]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.208837][ T2276]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.208838][ T2276]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.208840][ T2276]  ? ___sys_sendmsg (net/socket.c:2767)
[   65.208842][ T2276]  ? __sys_sendmsg (net/socket.c:2799)
[   65.208844][ T2276]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.208847][ T2276]  _printk (kernel/printk/printk.c:2504)
[   65.208850][ T2276]  ? snapshot_read.cold (user.c:?)
[   65.208853][ T2276]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   65.208856][ T2276]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   65.208857][ T2276]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   65.208859][ T2276]  ? netdev_notice (net/core/dev.c:13194)
[   65.208861][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208863][ T2276]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   65.208865][ T2276]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   65.208867][ T2276]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   65.208869][ T2276]  ? 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)
[   65.208871][ T2276]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   65.208874][ T2276]  dev_set_allmulti (net/core/dev_api.c:315)
[   65.208877][ T2276] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   65.208890][ T2276]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   65.208893][ T2276]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   65.208896][ T2276] br_del_if (net/bridge/br_if.c:732) bridge
[   65.208903][ T2276]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   65.208905][ T2276]  do_set_master (net/core/rtnetlink.c:3055)
[   65.208908][ T2276]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   65.208911][ T2276]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   65.208914][ T2276]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   65.208915][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208917][ T2276]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   65.208920][ T2276]  ? kasan_save_stack (mm/kasan/common.c:58)
[   65.208923][ T2276]  ? kasan_save_stack (mm/kasan/common.c:57)
[   65.208924][ T2276]  ? kasan_save_track (mm/kasan/common.c:78)
[   65.208926][ T2276]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   65.208927][ T2276]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   65.208929][ T2276]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   65.208930][ T2276]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.208931][ T2276]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.208932][ T2276]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.208933][ T2276]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.208935][ T2276]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.208936][ T2276]  ? ___sys_sendmsg (net/socket.c:2767)
[   65.208937][ T2276]  ? __sys_sendmsg (net/socket.c:2799)
[   65.208939][ T2276]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.208940][ T2276]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.208942][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208944][ T2276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.208946][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208947][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208949][ T2276]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   65.208951][ T2276]  ? __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)
[   65.208953][ T2276]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   65.208955][ T2276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.208956][ T2276]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   65.208958][ T2276]  ? nla_get_range_signed (lib/nlattr.c:270)
[   65.208960][ T2276]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   65.208962][ T2276]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.208964][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208966][ T2276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.208967][ T2276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.208969][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208971][ T2276]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   65.208972][ T2276]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   65.208974][ T2276]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   65.208975][ T2276]  ? __kernel_text_address (kernel/extable.c:79)
[   65.208977][ T2276]  ? write_profile (profile.c:?)
[   65.208978][ T2276]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   65.208981][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208982][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208984][ T2276]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   65.208988][ T2276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.208989][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.208991][ T2276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.208992][ T2276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.208994][ T2276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.208995][ T2276]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   65.208997][ T2276]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   65.208999][ T2276]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.209001][ T2276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.209002][ T2276]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.209004][ T2276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.209005][ T2276]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   65.209007][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.209009][ T2276]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.209011][ T2276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.209013][ T2276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.209015][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.209016][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.209018][ T2276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.209020][ T2276]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.209022][ T2276]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.209024][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.209026][ T2276]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.209027][ T2276]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.209029][ T2276]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.209031][ T2276]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   65.209032][ T2276]  ? move_addr_to_kernel (net/socket.c:258)
[   65.209034][ T2276]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   65.209036][ T2276]  ___sys_sendmsg (net/socket.c:2767)
[   65.209038][ T2276]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.209043][ T2276]  __sys_sendmsg (net/socket.c:2799)
[   65.209045][ T2276]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.209048][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.209050][ T2276]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.209051][ T2276]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.209053][ T2276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.209055][ T2276] RIP: 0033:0x7f7333a1054e
[   65.209057][ T2276] 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
[   65.209059][ T2276] RSP: 002b:00007ffc1c78ea50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.209063][ T2276] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7333a1054e
[   65.209064][ T2276] RDX: 0000000000000000 RSI: 00007ffc1c78eb00 RDI: 0000000000000005
[   65.209065][ T2276] RBP: 00007ffc1c78ea60 R08: 0000000000000000 R09: 0000000000000000
[   65.209066][ T2276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8de
[   65.209067][ T2276] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1c78f1c0
| [   68.055566][ T2381] softirqs last disabled at (0): 0x0
| [   68.055568][ T2381] Preemption disabled at:
| [   68.055568][ T2381] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.055579][ T2381] Tainted: [W]=WARN
[   68.055580][ T2381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.055582][ T2381] Call Trace:
[   68.055583][ T2381]  <TASK>
[   68.055584][ T2381]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.055589][ T2381]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.055591][ T2381]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.055595][ T2381]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.055598][ T2381]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   68.055601][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055604][ T2381]  __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))
[   68.055607][ T2381]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   68.055610][ T2381]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.055614][ T2381]  ? 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)
[   68.055615][ T2381]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.055617][ T2381]  put_chars (drivers/char/virtio_console.c:1176)
[   68.055619][ T2381]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.055621][ T2381]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   68.055623][ T2381]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.055626][ T2381]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.055628][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055630][ T2381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.055632][ T2381]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.055634][ T2381]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.055636][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055638][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055639][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055641][ T2381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.055643][ T2381]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   68.055645][ T2381]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.055647][ T2381]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.055650][ T2381]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.055651][ T2381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.055653][ T2381]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.055654][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055656][ T2381]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.055658][ T2381]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   68.055659][ T2381]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   68.055661][ T2381]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.055663][ T2381]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.055665][ T2381]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.055667][ T2381]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.055669][ T2381]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.055672][ T2381]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.055675][ T2381]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.055676][ T2381]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   68.055679][ T2381]  ? ___sys_sendmsg (net/socket.c:2767)
[   68.055680][ T2381]  ? __sys_sendmsg (net/socket.c:2799)
[   68.055682][ T2381]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.055685][ T2381]  _printk (kernel/printk/printk.c:2504)
[   68.055688][ T2381]  ? snapshot_read.cold (user.c:?)
[   68.055691][ T2381]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   68.055693][ T2381]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   68.055695][ T2381]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   68.055697][ T2381]  ? netdev_notice (net/core/dev.c:13194)
[   68.055699][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055701][ T2381]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   68.055702][ T2381]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   68.055705][ T2381]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   68.055706][ T2381]  ? 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)
[   68.055709][ T2381]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   68.055712][ T2381]  dev_set_allmulti (net/core/dev_api.c:315)
[   68.055714][ T2381] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   68.055726][ T2381]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   68.055733][ T2381]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   68.055736][ T2381] br_del_if (net/bridge/br_if.c:732) bridge
[   68.055743][ T2381]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.055746][ T2381]  do_set_master (net/core/rtnetlink.c:3055)
[   68.055749][ T2381]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   68.055752][ T2381]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   68.055754][ T2381]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   68.055755][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055757][ T2381]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   68.055760][ T2381]  ? kasan_save_stack (mm/kasan/common.c:58)
[   68.055763][ T2381]  ? kasan_save_stack (mm/kasan/common.c:57)
[   68.055764][ T2381]  ? kasan_save_track (mm/kasan/common.c:78)
[   68.055766][ T2381]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   68.055767][ T2381]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   68.055769][ T2381]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   68.055770][ T2381]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.055771][ T2381]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.055772][ T2381]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.055773][ T2381]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.055775][ T2381]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   68.055776][ T2381]  ? ___sys_sendmsg (net/socket.c:2767)
[   68.055777][ T2381]  ? __sys_sendmsg (net/socket.c:2799)
[   68.055779][ T2381]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.055780][ T2381]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.055782][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055784][ T2381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.055786][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055787][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055789][ T2381]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   68.055791][ T2381]  ? __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)
[   68.055793][ T2381]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   68.055794][ T2381]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   68.055796][ T2381]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   68.055797][ T2381]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.055799][ T2381]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   68.055801][ T2381]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.055803][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055805][ T2381]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.055806][ T2381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.055808][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055810][ T2381]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   68.055811][ T2381]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   68.055813][ T2381]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   68.055814][ T2381]  ? __kernel_text_address (kernel/extable.c:79)
[   68.055816][ T2381]  ? write_profile (profile.c:?)
[   68.055817][ T2381]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   68.055819][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055821][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055822][ T2381]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   68.055826][ T2381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.055827][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055829][ T2381]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.055830][ T2381]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.055832][ T2381]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.055833][ T2381]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   68.055834][ T2381]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   68.055837][ T2381]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.055838][ T2381]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.055839][ T2381]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.055841][ T2381]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.055842][ T2381]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   68.055845][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055847][ T2381]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.055848][ T2381]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.055850][ T2381]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.055852][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055854][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055855][ T2381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.055857][ T2381]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.055859][ T2381]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.055861][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055862][ T2381]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.055864][ T2381]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   68.055866][ T2381]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.055868][ T2381]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   68.055869][ T2381]  ? move_addr_to_kernel (net/socket.c:258)
[   68.055870][ T2381]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   68.055873][ T2381]  ___sys_sendmsg (net/socket.c:2767)
[   68.055875][ T2381]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.055879][ T2381]  __sys_sendmsg (net/socket.c:2799)
[   68.055881][ T2381]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.055884][ T2381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.055886][ T2381]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.055887][ T2381]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.055889][ T2381]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.055891][ T2381] RIP: 0033:0x7fdbba91254e
[   68.055893][ T2381] 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
[   68.055895][ T2381] RSP: 002b:00007fff60652310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.055898][ T2381] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdbba91254e
[   68.055900][ T2381] RDX: 0000000000000000 RSI: 00007fff606523c0 RDI: 0000000000000005
[   68.055901][ T2381] RBP: 00007fff60652320 R08: 0000000000000000 R09: 0000000000000000
[   68.055902][ T2381] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8e1
[   68.055902][ T2381] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff60652a80
| [   70.961635][ T2509] softirqs last disabled at (0): 0x0
| [   70.961637][ T2509] Preemption disabled at:
| [   70.961637][ T2509] vprintk_emit (kernel/printk/printk.c:2471)
| [   70.961648][ T2509] Tainted: [W]=WARN
[   70.961649][ T2509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.961650][ T2509] Call Trace:
[   70.961652][ T2509]  <TASK>
[   70.961653][ T2509]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.961658][ T2509]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   70.961660][ T2509]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.961664][ T2509]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.961667][ T2509]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   70.961670][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961674][ T2509]  __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))
[   70.961676][ T2509]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   70.961679][ T2509]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.961683][ T2509]  ? 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)
[   70.961684][ T2509]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.961686][ T2509]  put_chars (drivers/char/virtio_console.c:1176)
[   70.961688][ T2509]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.961690][ T2509]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   70.961692][ T2509]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.961696][ T2509]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.961697][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961699][ T2509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.961701][ T2509]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.961703][ T2509]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.961705][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961707][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961708][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961710][ T2509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.961712][ T2509]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   70.961714][ T2509]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.961716][ T2509]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.961718][ T2509]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.961720][ T2509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.961721][ T2509]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.961723][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961725][ T2509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.961726][ T2509]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   70.961727][ T2509]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   70.961729][ T2509]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.961734][ T2509]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.961736][ T2509]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.961738][ T2509]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.961740][ T2509]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.961743][ T2509]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.961746][ T2509]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.961747][ T2509]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   70.961750][ T2509]  ? ___sys_sendmsg (net/socket.c:2767)
[   70.961751][ T2509]  ? __sys_sendmsg (net/socket.c:2799)
[   70.961753][ T2509]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.961756][ T2509]  _printk (kernel/printk/printk.c:2504)
[   70.961759][ T2509]  ? snapshot_read.cold (user.c:?)
[   70.961761][ T2509]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   70.961764][ T2509]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   70.961766][ T2509]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   70.961767][ T2509]  ? netdev_notice (net/core/dev.c:13194)
[   70.961769][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961771][ T2509]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   70.961772][ T2509]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   70.961775][ T2509]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   70.961776][ T2509]  ? 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)
[   70.961779][ T2509]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   70.961781][ T2509]  dev_set_allmulti (net/core/dev_api.c:315)
[   70.961784][ T2509] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   70.961796][ T2509]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   70.961799][ T2509]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   70.961802][ T2509] br_del_if (net/bridge/br_if.c:732) bridge
[   70.961809][ T2509]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   70.961811][ T2509]  do_set_master (net/core/rtnetlink.c:3055)
[   70.961814][ T2509]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   70.961817][ T2509]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   70.961819][ T2509]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   70.961820][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961822][ T2509]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   70.961826][ T2509]  ? kasan_save_stack (mm/kasan/common.c:58)
[   70.961828][ T2509]  ? kasan_save_stack (mm/kasan/common.c:57)
[   70.961829][ T2509]  ? kasan_save_track (mm/kasan/common.c:78)
[   70.961831][ T2509]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   70.961832][ T2509]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   70.961834][ T2509]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   70.961835][ T2509]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.961836][ T2509]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.961837][ T2509]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.961838][ T2509]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.961839][ T2509]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   70.961841][ T2509]  ? ___sys_sendmsg (net/socket.c:2767)
[   70.961842][ T2509]  ? __sys_sendmsg (net/socket.c:2799)
[   70.961844][ T2509]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.961845][ T2509]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.961847][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961849][ T2509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.961850][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961852][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961853][ T2509]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   70.961855][ T2509]  ? __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)
[   70.961858][ T2509]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   70.961859][ T2509]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   70.961860][ T2509]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   70.961862][ T2509]  ? nla_get_range_signed (lib/nlattr.c:270)
[   70.961864][ T2509]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   70.961866][ T2509]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   70.961868][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961870][ T2509]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.961871][ T2509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.961872][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961874][ T2509]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   70.961876][ T2509]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   70.961878][ T2509]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   70.961879][ T2509]  ? __kernel_text_address (kernel/extable.c:79)
[   70.961880][ T2509]  ? write_profile (profile.c:?)
[   70.961881][ T2509]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   70.961884][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961886][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961887][ T2509]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   70.961891][ T2509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.961892][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961894][ T2509]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.961895][ T2509]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.961897][ T2509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.961898][ T2509]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   70.961899][ T2509]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   70.961902][ T2509]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.961903][ T2509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.961904][ T2509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.961906][ T2509]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.961907][ T2509]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   70.961909][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961911][ T2509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.961913][ T2509]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.961915][ T2509]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.961917][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961918][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961920][ T2509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.961922][ T2509]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.961924][ T2509]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   70.961925][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961927][ T2509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.961929][ T2509]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   70.961931][ T2509]  ? copy_msghdr_from_user (net/socket.c:2650)
[   70.961932][ T2509]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   70.961934][ T2509]  ? move_addr_to_kernel (net/socket.c:258)
[   70.961935][ T2509]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   70.961937][ T2509]  ___sys_sendmsg (net/socket.c:2767)
[   70.961939][ T2509]  ? copy_msghdr_from_user (net/socket.c:2619)
[   70.961944][ T2509]  __sys_sendmsg (net/socket.c:2799)
[   70.961946][ T2509]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   70.961949][ T2509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.961951][ T2509]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.961952][ T2509]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   70.961954][ T2509]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.961956][ T2509] RIP: 0033:0x7f85ba64254e
[   70.961957][ T2509] 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
[   70.961959][ T2509] RSP: 002b:00007ffcfb3aa370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.961963][ T2509] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f85ba64254e
[   70.961964][ T2509] RDX: 0000000000000000 RSI: 00007ffcfb3aa420 RDI: 0000000000000005
[   70.961965][ T2509] RBP: 00007ffcfb3aa380 R08: 0000000000000000 R09: 0000000000000000
[   70.961966][ T2509] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8e4
[   70.961967][ T2509] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfb3aaae0
| [   75.506566][ T2567] softirqs last disabled at (0): 0x0
| [   75.506568][ T2567] Preemption disabled at:
| [   75.506568][ T2567] vprintk_emit (kernel/printk/printk.c:2471)
| [   75.506580][ T2567] Tainted: [W]=WARN
[   75.506581][ T2567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   75.506582][ T2567] Call Trace:
[   75.506584][ T2567]  <TASK>
[   75.506585][ T2567]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   75.506590][ T2567]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   75.506592][ T2567]  __might_resched.cold (kernel/sched/core.c:9234)
[   75.506596][ T2567]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   75.506599][ T2567]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   75.506602][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506606][ T2567]  __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))
[   75.506609][ T2567]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   75.506612][ T2567]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.506616][ T2567]  ? 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)
[   75.506618][ T2567]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.506620][ T2567]  put_chars (drivers/char/virtio_console.c:1176)
[   75.506622][ T2567]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   75.506624][ T2567]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   75.506626][ T2567]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   75.506630][ T2567]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   75.506631][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506633][ T2567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.506635][ T2567]  console_emit_next_record (kernel/printk/printk.c:3183)
[   75.506638][ T2567]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   75.506640][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506641][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506643][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506644][ T2567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.506646][ T2567]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   75.506648][ T2567]  console_flush_one_record (kernel/printk/printk.c:3268)
[   75.506650][ T2567]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   75.506653][ T2567]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   75.506655][ T2567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.506656][ T2567]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   75.506658][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506660][ T2567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.506661][ T2567]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   75.506663][ T2567]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   75.506665][ T2567]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   75.506667][ T2567]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   75.506669][ T2567]  vprintk_emit (kernel/printk/printk.c:2479)
[   75.506671][ T2567]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   75.506673][ T2567]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.506676][ T2567]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.506679][ T2567]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.506680][ T2567]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   75.506682][ T2567]  ? ___sys_sendmsg (net/socket.c:2767)
[   75.506684][ T2567]  ? __sys_sendmsg (net/socket.c:2799)
[   75.506686][ T2567]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.506689][ T2567]  _printk (kernel/printk/printk.c:2504)
[   75.506692][ T2567]  ? snapshot_read.cold (user.c:?)
[   75.506694][ T2567]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   75.506697][ T2567]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   75.506699][ T2567]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   75.506701][ T2567]  ? netdev_notice (net/core/dev.c:13194)
[   75.506703][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506705][ T2567]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   75.506706][ T2567]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   75.506708][ T2567]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   75.506710][ T2567]  ? 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)
[   75.506713][ T2567]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   75.506715][ T2567]  dev_set_allmulti (net/core/dev_api.c:315)
[   75.506718][ T2567] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   75.506734][ T2567]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   75.506737][ T2567]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   75.506740][ T2567] br_del_if (net/bridge/br_if.c:732) bridge
[   75.506747][ T2567]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   75.506750][ T2567]  do_set_master (net/core/rtnetlink.c:3055)
[   75.506752][ T2567]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   75.506756][ T2567]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   75.506758][ T2567]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   75.506759][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506761][ T2567]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   75.506765][ T2567]  ? kasan_save_stack (mm/kasan/common.c:58)
[   75.506767][ T2567]  ? kasan_save_stack (mm/kasan/common.c:57)
[   75.506768][ T2567]  ? kasan_save_track (mm/kasan/common.c:78)
[   75.506770][ T2567]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   75.506771][ T2567]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   75.506773][ T2567]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   75.506774][ T2567]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.506775][ T2567]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.506777][ T2567]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.506778][ T2567]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.506779][ T2567]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   75.506781][ T2567]  ? ___sys_sendmsg (net/socket.c:2767)
[   75.506782][ T2567]  ? __sys_sendmsg (net/socket.c:2799)
[   75.506783][ T2567]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.506784][ T2567]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.506787][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506789][ T2567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.506790][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506792][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506793][ T2567]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   75.506796][ T2567]  ? __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)
[   75.506798][ T2567]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   75.506799][ T2567]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   75.506801][ T2567]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   75.506802][ T2567]  ? nla_get_range_signed (lib/nlattr.c:270)
[   75.506805][ T2567]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   75.506807][ T2567]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   75.506809][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506810][ T2567]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.506812][ T2567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.506813][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506815][ T2567]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   75.506817][ T2567]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   75.506819][ T2567]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   75.506820][ T2567]  ? __kernel_text_address (kernel/extable.c:79)
[   75.506822][ T2567]  ? write_profile (profile.c:?)
[   75.506823][ T2567]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   75.506825][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506827][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506829][ T2567]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   75.506832][ T2567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.506834][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506836][ T2567]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.506837][ T2567]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.506839][ T2567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.506840][ T2567]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   75.506842][ T2567]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   75.506844][ T2567]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.506846][ T2567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.506847][ T2567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.506849][ T2567]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   75.506850][ T2567]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   75.506852][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506854][ T2567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.506856][ T2567]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.506858][ T2567]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   75.506860][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506861][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506863][ T2567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.506865][ T2567]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.506867][ T2567]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   75.506869][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506870][ T2567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.506872][ T2567]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   75.506874][ T2567]  ? copy_msghdr_from_user (net/socket.c:2650)
[   75.506876][ T2567]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   75.506877][ T2567]  ? move_addr_to_kernel (net/socket.c:258)
[   75.506879][ T2567]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   75.506881][ T2567]  ___sys_sendmsg (net/socket.c:2767)
[   75.506883][ T2567]  ? copy_msghdr_from_user (net/socket.c:2619)
[   75.506888][ T2567]  __sys_sendmsg (net/socket.c:2799)
[   75.506890][ T2567]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   75.506892][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.506895][ T2567]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.506896][ T2567]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   75.506898][ T2567]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.506900][ T2567] RIP: 0033:0x7fcc5b4a454e
[   75.506902][ T2567] 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
[   75.506903][ T2567] RSP: 002b:00007ffef3af93f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   75.506907][ T2567] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcc5b4a454e
[   75.506909][ T2567] RDX: 0000000000000000 RSI: 00007ffef3af94a0 RDI: 0000000000000005
[   75.506910][ T2567] RBP: 00007ffef3af9400 R08: 0000000000000000 R09: 0000000000000000
[   75.506910][ T2567] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8e8
[   75.506911][ T2567] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef3af9b60
| [   78.028572][ T2663] softirqs last disabled at (0): 0x0
| [   78.028574][ T2663] Preemption disabled at:
| [   78.028575][ T2663] vprintk_emit (kernel/printk/printk.c:2471)
| [   78.028586][ T2663] Tainted: [W]=WARN
[   78.028587][ T2663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.028589][ T2663] Call Trace:
[   78.028591][ T2663]  <TASK>
[   78.028592][ T2663]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   78.028598][ T2663]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   78.028600][ T2663]  __might_resched.cold (kernel/sched/core.c:9234)
[   78.028604][ T2663]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   78.028607][ T2663]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   78.028610][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028614][ T2663]  __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))
[   78.028617][ T2663]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   78.028620][ T2663]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.028624][ T2663]  ? 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)
[   78.028625][ T2663]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.028627][ T2663]  put_chars (drivers/char/virtio_console.c:1176)
[   78.028629][ T2663]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   78.028631][ T2663]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   78.028634][ T2663]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   78.028637][ T2663]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   78.028638][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028640][ T2663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.028642][ T2663]  console_emit_next_record (kernel/printk/printk.c:3183)
[   78.028645][ T2663]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   78.028647][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028649][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028650][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028652][ T2663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.028654][ T2663]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   78.028656][ T2663]  console_flush_one_record (kernel/printk/printk.c:3268)
[   78.028658][ T2663]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   78.028660][ T2663]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   78.028662][ T2663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.028664][ T2663]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   78.028665][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028667][ T2663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   78.028668][ T2663]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   78.028670][ T2663]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   78.028672][ T2663]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   78.028674][ T2663]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   78.028676][ T2663]  vprintk_emit (kernel/printk/printk.c:2479)
[   78.028679][ T2663]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   78.028680][ T2663]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   78.028684][ T2663]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.028687][ T2663]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   78.028688][ T2663]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   78.028691][ T2663]  ? ___sys_sendmsg (net/socket.c:2767)
[   78.028692][ T2663]  ? __sys_sendmsg (net/socket.c:2799)
[   78.028694][ T2663]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   78.028697][ T2663]  _printk (kernel/printk/printk.c:2504)
[   78.028700][ T2663]  ? snapshot_read.cold (user.c:?)
[   78.028703][ T2663]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   78.028706][ T2663]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   78.028707][ T2663]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   78.028709][ T2663]  ? netdev_notice (net/core/dev.c:13194)
[   78.028711][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028713][ T2663]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   78.028715][ T2663]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   78.028717][ T2663]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   78.028719][ T2663]  ? 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)
[   78.028722][ T2663]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   78.028725][ T2663]  dev_set_allmulti (net/core/dev_api.c:315)
[   78.028727][ T2663] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   78.028744][ T2663]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   78.028748][ T2663]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   78.028751][ T2663] br_del_if (net/bridge/br_if.c:732) bridge
[   78.028759][ T2663]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.028761][ T2663]  do_set_master (net/core/rtnetlink.c:3055)
[   78.028764][ T2663]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   78.028767][ T2663]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   78.028770][ T2663]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   78.028771][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028772][ T2663]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   78.028776][ T2663]  ? kasan_save_stack (mm/kasan/common.c:58)
[   78.028779][ T2663]  ? kasan_save_stack (mm/kasan/common.c:57)
[   78.028780][ T2663]  ? kasan_save_track (mm/kasan/common.c:78)
[   78.028781][ T2663]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   78.028783][ T2663]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   78.028784][ T2663]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   78.028786][ T2663]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   78.028787][ T2663]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   78.028788][ T2663]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.028789][ T2663]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   78.028791][ T2663]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   78.028792][ T2663]  ? ___sys_sendmsg (net/socket.c:2767)
[   78.028793][ T2663]  ? __sys_sendmsg (net/socket.c:2799)
[   78.028795][ T2663]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   78.028796][ T2663]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.028798][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028800][ T2663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.028802][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028803][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028805][ T2663]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   78.028807][ T2663]  ? __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)
[   78.028809][ T2663]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   78.028810][ T2663]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   78.028812][ T2663]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   78.028814][ T2663]  ? nla_get_range_signed (lib/nlattr.c:270)
[   78.028816][ T2663]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   78.028818][ T2663]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   78.028820][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028822][ T2663]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.028823][ T2663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.028825][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028827][ T2663]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   78.028828][ T2663]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   78.028830][ T2663]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   78.028832][ T2663]  ? __kernel_text_address (kernel/extable.c:79)
[   78.028833][ T2663]  ? write_profile (profile.c:?)
[   78.028834][ T2663]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   78.028837][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028838][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028840][ T2663]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   78.028843][ T2663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.028845][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028846][ T2663]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.028848][ T2663]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   78.028850][ T2663]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.028851][ T2663]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   78.028853][ T2663]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   78.028855][ T2663]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   78.028856][ T2663]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.028858][ T2663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   78.028859][ T2663]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.028861][ T2663]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   78.028863][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028865][ T2663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   78.028867][ T2663]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.028869][ T2663]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.028870][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028872][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028874][ T2663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.028876][ T2663]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   78.028878][ T2663]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   78.028880][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028882][ T2663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   78.028884][ T2663]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   78.028885][ T2663]  ? copy_msghdr_from_user (net/socket.c:2650)
[   78.028887][ T2663]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   78.028889][ T2663]  ? move_addr_to_kernel (net/socket.c:258)
[   78.028890][ T2663]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   78.028893][ T2663]  ___sys_sendmsg (net/socket.c:2767)
[   78.028894][ T2663]  ? copy_msghdr_from_user (net/socket.c:2619)
[   78.028899][ T2663]  __sys_sendmsg (net/socket.c:2799)
[   78.028901][ T2663]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   78.028904][ T2663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.028906][ T2663]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   78.028908][ T2663]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   78.028910][ T2663]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.028911][ T2663] RIP: 0033:0x7f81ef46754e
[   78.028913][ T2663] 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
[   78.028915][ T2663] RSP: 002b:00007fff490e2c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.028919][ T2663] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f81ef46754e
[   78.028921][ T2663] RDX: 0000000000000000 RSI: 00007fff490e2ce0 RDI: 0000000000000005
[   78.028922][ T2663] RBP: 00007fff490e2c40 R08: 0000000000000000 R09: 0000000000000000
[   78.028922][ T2663] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8eb
[   78.028924][ T2663] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff490e33a0
| [   80.723015][ T2774] softirqs last disabled at (0): 0x0
| [   80.723017][ T2774] Preemption disabled at:
| [   80.723018][ T2774] vprintk_emit (kernel/printk/printk.c:2471)
| [   80.723028][ T2774] Tainted: [W]=WARN
[   80.723029][ T2774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.723031][ T2774] Call Trace:
[   80.723032][ T2774]  <TASK>
[   80.723034][ T2774]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   80.723039][ T2774]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   80.723041][ T2774]  __might_resched.cold (kernel/sched/core.c:9234)
[   80.723045][ T2774]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   80.723048][ T2774]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   80.723051][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723054][ T2774]  __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))
[   80.723057][ T2774]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   80.723060][ T2774]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.723063][ T2774]  ? 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)
[   80.723065][ T2774]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.723067][ T2774]  put_chars (drivers/char/virtio_console.c:1176)
[   80.723069][ T2774]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   80.723071][ T2774]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   80.723073][ T2774]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   80.723076][ T2774]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   80.723078][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723080][ T2774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.723082][ T2774]  console_emit_next_record (kernel/printk/printk.c:3183)
[   80.723084][ T2774]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   80.723086][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723088][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723089][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723091][ T2774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.723093][ T2774]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   80.723095][ T2774]  console_flush_one_record (kernel/printk/printk.c:3268)
[   80.723097][ T2774]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   80.723099][ T2774]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   80.723101][ T2774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.723103][ T2774]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   80.723104][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723106][ T2774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.723107][ T2774]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   80.723109][ T2774]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   80.723111][ T2774]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   80.723113][ T2774]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   80.723115][ T2774]  vprintk_emit (kernel/printk/printk.c:2479)
[   80.723117][ T2774]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   80.723119][ T2774]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.723122][ T2774]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.723124][ T2774]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.723126][ T2774]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   80.723128][ T2774]  ? ___sys_sendmsg (net/socket.c:2767)
[   80.723130][ T2774]  ? __sys_sendmsg (net/socket.c:2799)
[   80.723131][ T2774]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.723135][ T2774]  _printk (kernel/printk/printk.c:2504)
[   80.723138][ T2774]  ? snapshot_read.cold (user.c:?)
[   80.723140][ T2774]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   80.723143][ T2774]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   80.723145][ T2774]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   80.723146][ T2774]  ? netdev_notice (net/core/dev.c:13194)
[   80.723148][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723150][ T2774]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   80.723152][ T2774]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   80.723154][ T2774]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   80.723155][ T2774]  ? 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)
[   80.723158][ T2774]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   80.723161][ T2774]  dev_set_allmulti (net/core/dev_api.c:315)
[   80.723163][ T2774] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   80.723175][ T2774]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   80.723179][ T2774]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   80.723181][ T2774] br_del_if (net/bridge/br_if.c:732) bridge
[   80.723188][ T2774]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   80.723191][ T2774]  do_set_master (net/core/rtnetlink.c:3055)
[   80.723193][ T2774]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   80.723197][ T2774]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   80.723199][ T2774]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   80.723200][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723202][ T2774]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   80.723205][ T2774]  ? kasan_save_stack (mm/kasan/common.c:58)
[   80.723208][ T2774]  ? kasan_save_stack (mm/kasan/common.c:57)
[   80.723209][ T2774]  ? kasan_save_track (mm/kasan/common.c:78)
[   80.723211][ T2774]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   80.723212][ T2774]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   80.723214][ T2774]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   80.723215][ T2774]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.723216][ T2774]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.723217][ T2774]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.723218][ T2774]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.723220][ T2774]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   80.723221][ T2774]  ? ___sys_sendmsg (net/socket.c:2767)
[   80.723222][ T2774]  ? __sys_sendmsg (net/socket.c:2799)
[   80.723224][ T2774]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.723225][ T2774]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.723227][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723229][ T2774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.723231][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723232][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723234][ T2774]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   80.723236][ T2774]  ? __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)
[   80.723238][ T2774]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   80.723239][ T2774]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   80.723241][ T2774]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   80.723242][ T2774]  ? nla_get_range_signed (lib/nlattr.c:270)
[   80.723244][ T2774]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   80.723246][ T2774]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   80.723248][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723250][ T2774]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.723251][ T2774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.723253][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723255][ T2774]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   80.723257][ T2774]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   80.723258][ T2774]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   80.723260][ T2774]  ? __kernel_text_address (kernel/extable.c:79)
[   80.723261][ T2774]  ? write_profile (profile.c:?)
[   80.723262][ T2774]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   80.723265][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723266][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723268][ T2774]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   80.723271][ T2774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.723272][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723274][ T2774]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.723276][ T2774]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.723277][ T2774]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.723279][ T2774]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   80.723280][ T2774]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   80.723282][ T2774]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.723284][ T2774]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.723285][ T2774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.723287][ T2774]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.723288][ T2774]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   80.723290][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723292][ T2774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.723294][ T2774]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.723296][ T2774]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.723298][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723299][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723301][ T2774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.723303][ T2774]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.723305][ T2774]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   80.723306][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723308][ T2774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.723310][ T2774]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   80.723312][ T2774]  ? copy_msghdr_from_user (net/socket.c:2650)
[   80.723313][ T2774]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   80.723315][ T2774]  ? move_addr_to_kernel (net/socket.c:258)
[   80.723316][ T2774]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   80.723319][ T2774]  ___sys_sendmsg (net/socket.c:2767)
[   80.723320][ T2774]  ? copy_msghdr_from_user (net/socket.c:2619)
[   80.723325][ T2774]  __sys_sendmsg (net/socket.c:2799)
[   80.723327][ T2774]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   80.723330][ T2774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.723332][ T2774]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.723333][ T2774]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   80.723335][ T2774]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.723337][ T2774] RIP: 0033:0x7f47e5a2a54e
[   80.723339][ T2774] 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
[   80.723341][ T2774] RSP: 002b:00007fff5ac3c560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   80.723345][ T2774] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f47e5a2a54e
[   80.723346][ T2774] RDX: 0000000000000000 RSI: 00007fff5ac3c610 RDI: 0000000000000005
[   80.723347][ T2774] RBP: 00007fff5ac3c570 R08: 0000000000000000 R09: 0000000000000000
[   80.723348][ T2774] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8ee
[   80.723349][ T2774] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5ac3ccd0
| [   83.513884][ T2900] softirqs last disabled at (0): 0x0
| [   83.513886][ T2900] Preemption disabled at:
| [   83.513887][ T2900] vprintk_emit (kernel/printk/printk.c:2471)
| [   83.513901][ T2900] Tainted: [W]=WARN
[   83.513903][ T2900] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.513905][ T2900] Call Trace:
[   83.513907][ T2900]  <TASK>
[   83.513909][ T2900]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   83.513915][ T2900]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   83.513918][ T2900]  __might_resched.cold (kernel/sched/core.c:9234)
[   83.513923][ T2900]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   83.513927][ T2900]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   83.513931][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.513936][ T2900]  __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))
[   83.513940][ T2900]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   83.513943][ T2900]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.513948][ T2900]  ? 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)
[   83.513950][ T2900]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.513953][ T2900]  put_chars (drivers/char/virtio_console.c:1176)
[   83.513956][ T2900]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   83.513959][ T2900]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   83.513962][ T2900]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   83.513967][ T2900]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   83.513969][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.513972][ T2900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.513975][ T2900]  console_emit_next_record (kernel/printk/printk.c:3183)
[   83.513979][ T2900]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   83.513982][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.513984][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.513987][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.513989][ T2900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.513992][ T2900]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   83.513995][ T2900]  console_flush_one_record (kernel/printk/printk.c:3268)
[   83.513998][ T2900]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   83.514003][ T2900]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   83.514005][ T2900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.514008][ T2900]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   83.514010][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514012][ T2900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   83.514014][ T2900]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   83.514017][ T2900]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   83.514020][ T2900]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   83.514022][ T2900]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   83.514025][ T2900]  vprintk_emit (kernel/printk/printk.c:2479)
[   83.514029][ T2900]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   83.514031][ T2900]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   83.514035][ T2900]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.514039][ T2900]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   83.514041][ T2900]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   83.514044][ T2900]  ? ___sys_sendmsg (net/socket.c:2767)
[   83.514046][ T2900]  ? __sys_sendmsg (net/socket.c:2799)
[   83.514049][ T2900]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   83.514053][ T2900]  _printk (kernel/printk/printk.c:2504)
[   83.514057][ T2900]  ? snapshot_read.cold (user.c:?)
[   83.514061][ T2900]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   83.514065][ T2900]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   83.514068][ T2900]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   83.514070][ T2900]  ? netdev_notice (net/core/dev.c:13194)
[   83.514073][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514076][ T2900]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   83.514079][ T2900]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   83.514082][ T2900]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   83.514085][ T2900]  ? 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)
[   83.514088][ T2900]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   83.514092][ T2900]  dev_set_allmulti (net/core/dev_api.c:315)
[   83.514097][ T2900] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   83.514114][ T2900]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   83.514119][ T2900]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   83.514122][ T2900] br_del_if (net/bridge/br_if.c:732) bridge
[   83.514134][ T2900]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   83.514138][ T2900]  do_set_master (net/core/rtnetlink.c:3055)
[   83.514141][ T2900]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   83.514146][ T2900]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   83.514150][ T2900]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   83.514152][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514154][ T2900]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   83.514159][ T2900]  ? kasan_save_stack (mm/kasan/common.c:58)
[   83.514163][ T2900]  ? kasan_save_stack (mm/kasan/common.c:57)
[   83.514165][ T2900]  ? kasan_save_track (mm/kasan/common.c:78)
[   83.514167][ T2900]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   83.514169][ T2900]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   83.514173][ T2900]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   83.514174][ T2900]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   83.514176][ T2900]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   83.514179][ T2900]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.514180][ T2900]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   83.514182][ T2900]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   83.514184][ T2900]  ? ___sys_sendmsg (net/socket.c:2767)
[   83.514186][ T2900]  ? __sys_sendmsg (net/socket.c:2799)
[   83.514189][ T2900]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   83.514191][ T2900]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.514194][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514197][ T2900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.514200][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514202][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514205][ T2900]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   83.514208][ T2900]  ? __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)
[   83.514211][ T2900]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   83.514213][ T2900]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   83.514216][ T2900]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   83.514218][ T2900]  ? nla_get_range_signed (lib/nlattr.c:270)
[   83.514222][ T2900]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   83.514226][ T2900]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   83.514229][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514232][ T2900]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.514234][ T2900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.514237][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514240][ T2900]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   83.514243][ T2900]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   83.514245][ T2900]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   83.514248][ T2900]  ? __kernel_text_address (kernel/extable.c:79)
[   83.514250][ T2900]  ? write_profile (profile.c:?)
[   83.514252][ T2900]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   83.514255][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514258][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514260][ T2900]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   83.514264][ T2900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.514266][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514269][ T2900]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.514271][ T2900]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   83.514274][ T2900]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.514276][ T2900]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   83.514278][ T2900]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   83.514282][ T2900]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   83.514284][ T2900]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.514287][ T2900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   83.514289][ T2900]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.514291][ T2900]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   83.514295][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514298][ T2900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   83.514301][ T2900]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.514305][ T2900]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.514308][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514310][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514313][ T2900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.514316][ T2900]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   83.514319][ T2900]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   83.514322][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514325][ T2900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   83.514328][ T2900]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   83.514331][ T2900]  ? copy_msghdr_from_user (net/socket.c:2650)
[   83.514333][ T2900]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   83.514335][ T2900]  ? move_addr_to_kernel (net/socket.c:258)
[   83.514338][ T2900]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   83.514342][ T2900]  ___sys_sendmsg (net/socket.c:2767)
[   83.514345][ T2900]  ? copy_msghdr_from_user (net/socket.c:2619)
[   83.514353][ T2900]  __sys_sendmsg (net/socket.c:2799)
[   83.514356][ T2900]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   83.514360][ T2900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.514364][ T2900]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   83.514366][ T2900]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   83.514369][ T2900]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.514372][ T2900] RIP: 0033:0x7f873d0ea54e
[   83.514376][ T2900] 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
[   83.514378][ T2900] RSP: 002b:00007ffe80e6b4c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.514384][ T2900] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f873d0ea54e
[   83.514386][ T2900] RDX: 0000000000000000 RSI: 00007ffe80e6b570 RDI: 0000000000000005
[   83.514387][ T2900] RBP: 00007ffe80e6b4d0 R08: 0000000000000000 R09: 0000000000000000
[   83.514389][ T2900] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8f0
[   83.514390][ T2900] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe80e6bc30
| [   86.486835][ T3030] softirqs last disabled at (0): 0x0
| [   86.486837][ T3030] Preemption disabled at:
| [   86.486838][ T3030] vprintk_emit (kernel/printk/printk.c:2471)
| [   86.486849][ T3030] Tainted: [W]=WARN
[   86.486850][ T3030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.486851][ T3030] Call Trace:
[   86.486853][ T3030]  <TASK>
[   86.486854][ T3030]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   86.486860][ T3030]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   86.486862][ T3030]  __might_resched.cold (kernel/sched/core.c:9234)
[   86.486865][ T3030]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   86.486869][ T3030]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   86.486872][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.486875][ T3030]  __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))
[   86.486879][ T3030]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   86.486881][ T3030]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.486885][ T3030]  ? 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)
[   86.486887][ T3030]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.486889][ T3030]  put_chars (drivers/char/virtio_console.c:1176)
[   86.486891][ T3030]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   86.486892][ T3030]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   86.486895][ T3030]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   86.486898][ T3030]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   86.486900][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.486901][ T3030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.486903][ T3030]  console_emit_next_record (kernel/printk/printk.c:3183)
[   86.486906][ T3030]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   86.486908][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.486910][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.486911][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.486913][ T3030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.486915][ T3030]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   86.486916][ T3030]  console_flush_one_record (kernel/printk/printk.c:3268)
[   86.486918][ T3030]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   86.486921][ T3030]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   86.486923][ T3030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.486924][ T3030]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   86.486926][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.486928][ T3030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.486929][ T3030]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   86.486930][ T3030]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   86.486932][ T3030]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   86.486934][ T3030]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   86.486936][ T3030]  vprintk_emit (kernel/printk/printk.c:2479)
[   86.486939][ T3030]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   86.486940][ T3030]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.486944][ T3030]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.486946][ T3030]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.486947][ T3030]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   86.486950][ T3030]  ? ___sys_sendmsg (net/socket.c:2767)
[   86.486952][ T3030]  ? __sys_sendmsg (net/socket.c:2799)
[   86.486953][ T3030]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.486957][ T3030]  _printk (kernel/printk/printk.c:2504)
[   86.486960][ T3030]  ? snapshot_read.cold (user.c:?)
[   86.486962][ T3030]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   86.486965][ T3030]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   86.486967][ T3030]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   86.486968][ T3030]  ? netdev_notice (net/core/dev.c:13194)
[   86.486970][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.486972][ T3030]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   86.486974][ T3030]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   86.486976][ T3030]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   86.486978][ T3030]  ? 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)
[   86.486981][ T3030]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   86.486983][ T3030]  dev_set_allmulti (net/core/dev_api.c:315)
[   86.486986][ T3030] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   86.486999][ T3030]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   86.487003][ T3030]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   86.487005][ T3030] br_del_if (net/bridge/br_if.c:732) bridge
[   86.487012][ T3030]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.487015][ T3030]  do_set_master (net/core/rtnetlink.c:3055)
[   86.487017][ T3030]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   86.487020][ T3030]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   86.487023][ T3030]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   86.487024][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.487026][ T3030]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   86.487029][ T3030]  ? kasan_save_stack (mm/kasan/common.c:58)
[   86.487032][ T3030]  ? kasan_save_stack (mm/kasan/common.c:57)
[   86.487033][ T3030]  ? kasan_save_track (mm/kasan/common.c:78)
[   86.487034][ T3030]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   86.487036][ T3030]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   86.487037][ T3030]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   86.487039][ T3030]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.487040][ T3030]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.487041][ T3030]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.487042][ T3030]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.487043][ T3030]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   86.487045][ T3030]  ? ___sys_sendmsg (net/socket.c:2767)
[   86.487046][ T3030]  ? __sys_sendmsg (net/socket.c:2799)
[   86.487048][ T3030]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.487049][ T3030]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.487051][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.487053][ T3030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.487054][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.487056][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.487058][ T3030]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   86.487060][ T3030]  ? __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)
[   86.487062][ T3030]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   86.487064][ T3030]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   86.487065][ T3030]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   86.487067][ T3030]  ? nla_get_range_signed (lib/nlattr.c:270)
[   86.487069][ T3030]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   86.487071][ T3030]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.487073][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.487075][ T3030]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.487076][ T3030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.487077][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.487079][ T3030]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   86.487081][ T3030]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   86.487083][ T3030]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   86.487084][ T3030]  ? __kernel_text_address (kernel/extable.c:79)
[   86.487085][ T3030]  ? write_profile (profile.c:?)
[   86.487087][ T3030]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   86.487089][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.487091][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.487093][ T3030]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   86.487096][ T3030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.487097][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.487099][ T3030]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.487101][ T3030]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.487102][ T3030]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.487104][ T3030]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   86.487105][ T3030]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   86.487107][ T3030]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.487109][ T3030]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.487110][ T3030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.487112][ T3030]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   86.487113][ T3030]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   86.487115][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.487117][ T3030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.487119][ T3030]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.487121][ T3030]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   86.487123][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.487124][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.487126][ T3030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.487128][ T3030]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.487130][ T3030]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   86.487132][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.487133][ T3030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.487135][ T3030]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   86.487137][ T3030]  ? copy_msghdr_from_user (net/socket.c:2650)
[   86.487138][ T3030]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   86.487140][ T3030]  ? move_addr_to_kernel (net/socket.c:258)
[   86.487141][ T3030]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   86.487144][ T3030]  ___sys_sendmsg (net/socket.c:2767)
[   86.487146][ T3030]  ? copy_msghdr_from_user (net/socket.c:2619)
[   86.487150][ T3030]  __sys_sendmsg (net/socket.c:2799)
[   86.487152][ T3030]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   86.487155][ T3030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.487157][ T3030]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.487158][ T3030]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   86.487160][ T3030]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.487162][ T3030] RIP: 0033:0x7ff988fc154e
[   86.487164][ T3030] 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
[   86.487166][ T3030] RSP: 002b:00007ffea7274cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   86.487170][ T3030] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff988fc154e
[   86.487171][ T3030] RDX: 0000000000000000 RSI: 00007ffea7274d80 RDI: 0000000000000005
[   86.487172][ T3030] RBP: 00007ffea7274ce0 R08: 0000000000000000 R09: 0000000000000000
[   86.487173][ T3030] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8f3
[   86.487174][ T3030] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea7275440
| [   91.070428][ T3090] softirqs last disabled at (0): 0x0
| [   91.070430][ T3090] Preemption disabled at:
| [   91.070431][ T3090] vprintk_emit (kernel/printk/printk.c:2471)
| [   91.070443][ T3090] Tainted: [W]=WARN
[   91.070443][ T3090] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.070445][ T3090] Call Trace:
[   91.070447][ T3090]  <TASK>
[   91.070448][ T3090]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   91.070453][ T3090]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   91.070455][ T3090]  __might_resched.cold (kernel/sched/core.c:9234)
[   91.070466][ T3090]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   91.070469][ T3090]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   91.070472][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070476][ T3090]  __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))
[   91.070479][ T3090]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   91.070482][ T3090]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.070485][ T3090]  ? 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)
[   91.070487][ T3090]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.070489][ T3090]  put_chars (drivers/char/virtio_console.c:1176)
[   91.070491][ T3090]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   91.070493][ T3090]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   91.070495][ T3090]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   91.070499][ T3090]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   91.070500][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070502][ T3090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.070504][ T3090]  console_emit_next_record (kernel/printk/printk.c:3183)
[   91.070507][ T3090]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   91.070509][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070511][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070512][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070514][ T3090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.070516][ T3090]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   91.070517][ T3090]  console_flush_one_record (kernel/printk/printk.c:3268)
[   91.070520][ T3090]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   91.070522][ T3090]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   91.070524][ T3090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.070526][ T3090]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   91.070528][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070530][ T3090]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.070531][ T3090]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   91.070533][ T3090]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   91.070535][ T3090]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   91.070537][ T3090]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   91.070539][ T3090]  vprintk_emit (kernel/printk/printk.c:2479)
[   91.070541][ T3090]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   91.070543][ T3090]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   91.070546][ T3090]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.070548][ T3090]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.070550][ T3090]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   91.070552][ T3090]  ? ___sys_sendmsg (net/socket.c:2767)
[   91.070554][ T3090]  ? __sys_sendmsg (net/socket.c:2799)
[   91.070556][ T3090]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.070559][ T3090]  _printk (kernel/printk/printk.c:2504)
[   91.070562][ T3090]  ? snapshot_read.cold (user.c:?)
[   91.070564][ T3090]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   91.070567][ T3090]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   91.070569][ T3090]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   91.070571][ T3090]  ? netdev_notice (net/core/dev.c:13194)
[   91.070573][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070574][ T3090]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   91.070576][ T3090]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   91.070579][ T3090]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   91.070580][ T3090]  ? 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)
[   91.070583][ T3090]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   91.070586][ T3090]  dev_set_allmulti (net/core/dev_api.c:315)
[   91.070588][ T3090] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   91.070601][ T3090]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   91.070604][ T3090]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   91.070607][ T3090] br_del_if (net/bridge/br_if.c:732) bridge
[   91.070616][ T3090]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   91.070618][ T3090]  do_set_master (net/core/rtnetlink.c:3055)
[   91.070621][ T3090]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   91.070624][ T3090]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   91.070626][ T3090]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   91.070627][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070629][ T3090]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   91.070633][ T3090]  ? kasan_save_stack (mm/kasan/common.c:58)
[   91.070635][ T3090]  ? kasan_save_stack (mm/kasan/common.c:57)
[   91.070637][ T3090]  ? kasan_save_track (mm/kasan/common.c:78)
[   91.070638][ T3090]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   91.070640][ T3090]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   91.070642][ T3090]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   91.070643][ T3090]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   91.070644][ T3090]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.070646][ T3090]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.070647][ T3090]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.070648][ T3090]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   91.070650][ T3090]  ? ___sys_sendmsg (net/socket.c:2767)
[   91.070651][ T3090]  ? __sys_sendmsg (net/socket.c:2799)
[   91.070653][ T3090]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.070654][ T3090]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.070656][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070658][ T3090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.070660][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070661][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070663][ T3090]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   91.070665][ T3090]  ? __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)
[   91.070668][ T3090]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   91.070669][ T3090]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   91.070671][ T3090]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   91.070672][ T3090]  ? nla_get_range_signed (lib/nlattr.c:270)
[   91.070675][ T3090]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   91.070677][ T3090]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   91.070679][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070681][ T3090]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.070682][ T3090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.070683][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070686][ T3090]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   91.070687][ T3090]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   91.070689][ T3090]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   91.070690][ T3090]  ? __kernel_text_address (kernel/extable.c:79)
[   91.070692][ T3090]  ? write_profile (profile.c:?)
[   91.070693][ T3090]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   91.070696][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070698][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070699][ T3090]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   91.070703][ T3090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.070704][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070706][ T3090]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.070707][ T3090]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   91.070709][ T3090]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.070710][ T3090]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   91.070712][ T3090]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   91.070714][ T3090]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.070715][ T3090]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.070717][ T3090]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.070718][ T3090]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.070720][ T3090]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   91.070722][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070724][ T3090]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.070726][ T3090]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.070728][ T3090]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.070733][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070735][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070737][ T3090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.070738][ T3090]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.070740][ T3090]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   91.070742][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070744][ T3090]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.070746][ T3090]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   91.070748][ T3090]  ? copy_msghdr_from_user (net/socket.c:2650)
[   91.070749][ T3090]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   91.070751][ T3090]  ? move_addr_to_kernel (net/socket.c:258)
[   91.070753][ T3090]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   91.070756][ T3090]  ___sys_sendmsg (net/socket.c:2767)
[   91.070758][ T3090]  ? copy_msghdr_from_user (net/socket.c:2619)
[   91.070764][ T3090]  __sys_sendmsg (net/socket.c:2799)
[   91.070766][ T3090]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   91.070768][ T3090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.070771][ T3090]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.070772][ T3090]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   91.070774][ T3090]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.070775][ T3090] RIP: 0033:0x7f7807a8454e
[   91.070777][ T3090] 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
[   91.070779][ T3090] RSP: 002b:00007ffce2bb9770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.070783][ T3090] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7807a8454e
[   91.070784][ T3090] RDX: 0000000000000000 RSI: 00007ffce2bb9820 RDI: 0000000000000005
[   91.070785][ T3090] RBP: 00007ffce2bb9780 R08: 0000000000000000 R09: 0000000000000000
[   91.070786][ T3090] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8f8
[   91.070787][ T3090] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce2bb9ee0
| [   93.623528][ T3186] softirqs last disabled at (0): 0x0
| [   93.623530][ T3186] Preemption disabled at:
| [   93.623531][ T3186] vprintk_emit (kernel/printk/printk.c:2471)
| [   93.623542][ T3186] Tainted: [W]=WARN
[   93.623543][ T3186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.623545][ T3186] Call Trace:
[   93.623546][ T3186]  <TASK>
[   93.623548][ T3186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   93.623553][ T3186]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   93.623555][ T3186]  __might_resched.cold (kernel/sched/core.c:9234)
[   93.623559][ T3186]  ? trace_pelt_se_tp (./include/trace/events/sched.h:853 (discriminator 22))
[   93.623561][ T3186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   93.623564][ T3186]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   93.623567][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623571][ T3186]  __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))
[   93.623574][ T3186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   93.623577][ T3186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.623580][ T3186]  ? 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)
[   93.623582][ T3186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.623584][ T3186]  put_chars (drivers/char/virtio_console.c:1176)
[   93.623586][ T3186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   93.623588][ T3186]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   93.623589][ T3186]  ? __schedule (kernel/sched/core.c:7277)
[   93.623593][ T3186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   93.623596][ T3186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   93.623597][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623599][ T3186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.623601][ T3186]  console_emit_next_record (kernel/printk/printk.c:3183)
[   93.623604][ T3186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   93.623606][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623607][ T3186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.623609][ T3186]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   93.623611][ T3186]  console_flush_one_record (kernel/printk/printk.c:3268)
[   93.623613][ T3186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   93.623616][ T3186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   93.623618][ T3186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.623619][ T3186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   93.623621][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623623][ T3186]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.623624][ T3186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   93.623625][ T3186]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   93.623627][ T3186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   93.623630][ T3186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   93.623632][ T3186]  vprintk_emit (kernel/printk/printk.c:2479)
[   93.623634][ T3186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   93.623636][ T3186]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   93.623639][ T3186]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.623641][ T3186]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.623642][ T3186]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   93.623645][ T3186]  ? ___sys_sendmsg (net/socket.c:2767)
[   93.623647][ T3186]  ? __sys_sendmsg (net/socket.c:2799)
[   93.623648][ T3186]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.623651][ T3186]  _printk (kernel/printk/printk.c:2504)
[   93.623654][ T3186]  ? snapshot_read.cold (user.c:?)
[   93.623656][ T3186]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   93.623659][ T3186]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   93.623661][ T3186]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   93.623662][ T3186]  ? netdev_notice (net/core/dev.c:13194)
[   93.623664][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623666][ T3186]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   93.623667][ T3186]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   93.623670][ T3186]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   93.623671][ T3186]  ? 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)
[   93.623673][ T3186]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   93.623676][ T3186]  dev_set_allmulti (net/core/dev_api.c:315)
[   93.623679][ T3186] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   93.623691][ T3186]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   93.623694][ T3186]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   93.623697][ T3186] br_del_if (net/bridge/br_if.c:732) bridge
[   93.623704][ T3186]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   93.623706][ T3186]  do_set_master (net/core/rtnetlink.c:3055)
[   93.623709][ T3186]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   93.623712][ T3186]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   93.623715][ T3186]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   93.623716][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623717][ T3186]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   93.623721][ T3186]  ? kasan_save_stack (mm/kasan/common.c:58)
[   93.623723][ T3186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   93.623725][ T3186]  ? kasan_save_track (mm/kasan/common.c:78)
[   93.623726][ T3186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   93.623728][ T3186]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   93.623729][ T3186]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   93.623734][ T3186]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   93.623735][ T3186]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   93.623736][ T3186]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.623737][ T3186]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.623739][ T3186]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   93.623740][ T3186]  ? ___sys_sendmsg (net/socket.c:2767)
[   93.623741][ T3186]  ? __sys_sendmsg (net/socket.c:2799)
[   93.623743][ T3186]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.623744][ T3186]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.623747][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623748][ T3186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.623750][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623751][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623753][ T3186]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   93.623755][ T3186]  ? __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)
[   93.623757][ T3186]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   93.623758][ T3186]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   93.623760][ T3186]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   93.623761][ T3186]  ? nla_get_range_signed (lib/nlattr.c:270)
[   93.623763][ T3186]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   93.623765][ T3186]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   93.623767][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623769][ T3186]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   93.623770][ T3186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.623771][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623773][ T3186]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   93.623775][ T3186]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   93.623777][ T3186]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   93.623778][ T3186]  ? __kernel_text_address (kernel/extable.c:79)
[   93.623779][ T3186]  ? write_profile (profile.c:?)
[   93.623781][ T3186]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   93.623783][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623785][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623787][ T3186]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   93.623790][ T3186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.623792][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623793][ T3186]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   93.623795][ T3186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   93.623796][ T3186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.623798][ T3186]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   93.623799][ T3186]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   93.623802][ T3186]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   93.623803][ T3186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.623804][ T3186]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.623806][ T3186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.623807][ T3186]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   93.623810][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623812][ T3186]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.623813][ T3186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.623815][ T3186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.623817][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623819][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623821][ T3186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.623822][ T3186]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.623824][ T3186]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   93.623826][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623828][ T3186]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.623830][ T3186]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   93.623831][ T3186]  ? copy_msghdr_from_user (net/socket.c:2650)
[   93.623833][ T3186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   93.623835][ T3186]  ? move_addr_to_kernel (net/socket.c:258)
[   93.623836][ T3186]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   93.623839][ T3186]  ___sys_sendmsg (net/socket.c:2767)
[   93.623841][ T3186]  ? copy_msghdr_from_user (net/socket.c:2619)
[   93.623845][ T3186]  __sys_sendmsg (net/socket.c:2799)
[   93.623847][ T3186]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   93.623850][ T3186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.623852][ T3186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.623854][ T3186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   93.623856][ T3186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.623857][ T3186] RIP: 0033:0x7f2a9f4d354e
[   93.623859][ T3186] 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
[   93.623861][ T3186] RSP: 002b:00007fff2c2e8220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.623865][ T3186] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2a9f4d354e
[   93.623867][ T3186] RDX: 0000000000000000 RSI: 00007fff2c2e82d0 RDI: 0000000000000005
[   93.623868][ T3186] RBP: 00007fff2c2e8230 R08: 0000000000000000 R09: 0000000000000000
[   93.623869][ T3186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8fa
[   93.623869][ T3186] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2c2e8990
| [   96.277509][ T3297] softirqs last disabled at (0): 0x0
| [   96.277511][ T3297] Preemption disabled at:
| [   96.277512][ T3297] vprintk_emit (kernel/printk/printk.c:2471)
| [   96.277523][ T3297] Tainted: [W]=WARN
[   96.277524][ T3297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   96.277526][ T3297] Call Trace:
[   96.277527][ T3297]  <TASK>
[   96.277528][ T3297]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   96.277533][ T3297]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   96.277535][ T3297]  __might_resched.cold (kernel/sched/core.c:9234)
[   96.277539][ T3297]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   96.277542][ T3297]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   96.277545][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277549][ T3297]  __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))
[   96.277552][ T3297]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   96.277555][ T3297]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.277558][ T3297]  ? 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)
[   96.277560][ T3297]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.277562][ T3297]  put_chars (drivers/char/virtio_console.c:1176)
[   96.277564][ T3297]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   96.277566][ T3297]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   96.277568][ T3297]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   96.277572][ T3297]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   96.277573][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277575][ T3297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.277577][ T3297]  console_emit_next_record (kernel/printk/printk.c:3183)
[   96.277580][ T3297]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   96.277582][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277583][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277585][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277587][ T3297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.277589][ T3297]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   96.277591][ T3297]  console_flush_one_record (kernel/printk/printk.c:3268)
[   96.277593][ T3297]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   96.277596][ T3297]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   96.277598][ T3297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.277600][ T3297]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   96.277602][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277603][ T3297]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   96.277605][ T3297]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   96.277606][ T3297]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   96.277609][ T3297]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   96.277611][ T3297]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   96.277613][ T3297]  vprintk_emit (kernel/printk/printk.c:2479)
[   96.277616][ T3297]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   96.277617][ T3297]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   96.277621][ T3297]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.277624][ T3297]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.277625][ T3297]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   96.277628][ T3297]  ? ___sys_sendmsg (net/socket.c:2767)
[   96.277629][ T3297]  ? __sys_sendmsg (net/socket.c:2799)
[   96.277631][ T3297]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   96.277634][ T3297]  _printk (kernel/printk/printk.c:2504)
[   96.277637][ T3297]  ? snapshot_read.cold (user.c:?)
[   96.277640][ T3297]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   96.277643][ T3297]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   96.277644][ T3297]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   96.277646][ T3297]  ? netdev_notice (net/core/dev.c:13194)
[   96.277648][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277650][ T3297]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   96.277651][ T3297]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   96.277654][ T3297]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   96.277655][ T3297]  ? 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)
[   96.277658][ T3297]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   96.277660][ T3297]  dev_set_allmulti (net/core/dev_api.c:315)
[   96.277663][ T3297] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   96.277676][ T3297]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   96.277680][ T3297]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   96.277683][ T3297] br_del_if (net/bridge/br_if.c:732) bridge
[   96.277690][ T3297]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   96.277692][ T3297]  do_set_master (net/core/rtnetlink.c:3055)
[   96.277695][ T3297]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   96.277698][ T3297]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   96.277701][ T3297]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   96.277702][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277703][ T3297]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   96.277707][ T3297]  ? kasan_save_stack (mm/kasan/common.c:58)
[   96.277710][ T3297]  ? kasan_save_stack (mm/kasan/common.c:57)
[   96.277711][ T3297]  ? kasan_save_track (mm/kasan/common.c:78)
[   96.277712][ T3297]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   96.277714][ T3297]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   96.277716][ T3297]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   96.277717][ T3297]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   96.277718][ T3297]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   96.277719][ T3297]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.277720][ T3297]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.277722][ T3297]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   96.277723][ T3297]  ? ___sys_sendmsg (net/socket.c:2767)
[   96.277724][ T3297]  ? __sys_sendmsg (net/socket.c:2799)
[   96.277726][ T3297]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   96.277727][ T3297]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.277730][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277734][ T3297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.277736][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277738][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277739][ T3297]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   96.277742][ T3297]  ? __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)
[   96.277744][ T3297]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   96.277745][ T3297]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   96.277747][ T3297]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   96.277749][ T3297]  ? nla_get_range_signed (lib/nlattr.c:270)
[   96.277751][ T3297]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   96.277753][ T3297]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   96.277755][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277757][ T3297]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   96.277758][ T3297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.277760][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277762][ T3297]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   96.277764][ T3297]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   96.277766][ T3297]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   96.277767][ T3297]  ? __kernel_text_address (kernel/extable.c:79)
[   96.277768][ T3297]  ? write_profile (profile.c:?)
[   96.277770][ T3297]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   96.277772][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277774][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277775][ T3297]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   96.277779][ T3297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.277780][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277782][ T3297]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   96.277783][ T3297]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   96.277785][ T3297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   96.277786][ T3297]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   96.277788][ T3297]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   96.277790][ T3297]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   96.277791][ T3297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   96.277793][ T3297]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   96.277794][ T3297]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   96.277796][ T3297]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   96.277798][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277800][ T3297]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   96.277802][ T3297]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.277804][ T3297]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   96.277805][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277807][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277809][ T3297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.277810][ T3297]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.277812][ T3297]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   96.277814][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277816][ T3297]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   96.277818][ T3297]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   96.277819][ T3297]  ? copy_msghdr_from_user (net/socket.c:2650)
[   96.277821][ T3297]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   96.277822][ T3297]  ? move_addr_to_kernel (net/socket.c:258)
[   96.277824][ T3297]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   96.277826][ T3297]  ___sys_sendmsg (net/socket.c:2767)
[   96.277828][ T3297]  ? copy_msghdr_from_user (net/socket.c:2619)
[   96.277833][ T3297]  __sys_sendmsg (net/socket.c:2799)
[   96.277835][ T3297]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   96.277837][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.277839][ T3297]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   96.277840][ T3297]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   96.277843][ T3297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.277844][ T3297] RIP: 0033:0x7fea236a654e
[   96.277846][ T3297] 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
[   96.277848][ T3297] RSP: 002b:00007ffe3562bbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   96.277852][ T3297] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fea236a654e
[   96.277854][ T3297] RDX: 0000000000000000 RSI: 00007ffe3562bc60 RDI: 0000000000000005
[   96.277855][ T3297] RBP: 00007ffe3562bbc0 R08: 0000000000000000 R09: 0000000000000000
[   96.277855][ T3297] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a8fd
[   96.277856][ T3297] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3562c320
| [   99.165879][ T3426] softirqs last disabled at (0): 0x0
| [   99.165880][ T3426] Preemption disabled at:
| [   99.165881][ T3426] vprintk_emit (kernel/printk/printk.c:2471)
| [   99.165892][ T3426] Tainted: [W]=WARN
[   99.165894][ T3426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.165895][ T3426] Call Trace:
[   99.165897][ T3426]  <TASK>
[   99.165898][ T3426]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   99.165903][ T3426]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   99.165905][ T3426]  __might_resched.cold (kernel/sched/core.c:9234)
[   99.165909][ T3426]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   99.165912][ T3426]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   99.165915][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.165919][ T3426]  __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))
[   99.165922][ T3426]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   99.165924][ T3426]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.165928][ T3426]  ? 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)
[   99.165930][ T3426]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.165932][ T3426]  put_chars (drivers/char/virtio_console.c:1176)
[   99.165934][ T3426]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   99.165935][ T3426]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   99.165938][ T3426]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   99.165941][ T3426]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   99.165943][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.165944][ T3426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.165947][ T3426]  console_emit_next_record (kernel/printk/printk.c:3183)
[   99.165949][ T3426]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   99.165951][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.165953][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.165954][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.165956][ T3426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.165958][ T3426]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   99.165960][ T3426]  console_flush_one_record (kernel/printk/printk.c:3268)
[   99.165962][ T3426]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   99.165964][ T3426]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   99.165966][ T3426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.165968][ T3426]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   99.165969][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.165971][ T3426]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.165972][ T3426]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   99.165974][ T3426]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   99.165976][ T3426]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   99.165978][ T3426]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   99.165980][ T3426]  vprintk_emit (kernel/printk/printk.c:2479)
[   99.165982][ T3426]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   99.165984][ T3426]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.165987][ T3426]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.165989][ T3426]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.165991][ T3426]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   99.165994][ T3426]  ? ___sys_sendmsg (net/socket.c:2767)
[   99.165995][ T3426]  ? __sys_sendmsg (net/socket.c:2799)
[   99.165997][ T3426]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.166000][ T3426]  _printk (kernel/printk/printk.c:2504)
[   99.166003][ T3426]  ? snapshot_read.cold (user.c:?)
[   99.166006][ T3426]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   99.166008][ T3426]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   99.166010][ T3426]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   99.166012][ T3426]  ? netdev_notice (net/core/dev.c:13194)
[   99.166014][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166016][ T3426]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   99.166018][ T3426]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   99.166020][ T3426]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   99.166021][ T3426]  ? 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)
[   99.166024][ T3426]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   99.166027][ T3426]  dev_set_allmulti (net/core/dev_api.c:315)
[   99.166030][ T3426] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   99.166042][ T3426]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   99.166046][ T3426]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   99.166048][ T3426] br_del_if (net/bridge/br_if.c:732) bridge
[   99.166055][ T3426]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   99.166057][ T3426]  do_set_master (net/core/rtnetlink.c:3055)
[   99.166060][ T3426]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   99.166063][ T3426]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   99.166066][ T3426]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   99.166067][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166069][ T3426]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   99.166073][ T3426]  ? kasan_save_stack (mm/kasan/common.c:58)
[   99.166075][ T3426]  ? kasan_save_stack (mm/kasan/common.c:57)
[   99.166076][ T3426]  ? kasan_save_track (mm/kasan/common.c:78)
[   99.166078][ T3426]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   99.166080][ T3426]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   99.166081][ T3426]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   99.166082][ T3426]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.166083][ T3426]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.166085][ T3426]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.166086][ T3426]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.166087][ T3426]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   99.166088][ T3426]  ? ___sys_sendmsg (net/socket.c:2767)
[   99.166090][ T3426]  ? __sys_sendmsg (net/socket.c:2799)
[   99.166091][ T3426]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.166093][ T3426]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.166095][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166097][ T3426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.166098][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166100][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166102][ T3426]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   99.166104][ T3426]  ? __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)
[   99.166106][ T3426]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   99.166107][ T3426]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   99.166109][ T3426]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   99.166110][ T3426]  ? nla_get_range_signed (lib/nlattr.c:270)
[   99.166113][ T3426]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   99.166115][ T3426]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   99.166116][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166118][ T3426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.166120][ T3426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.166121][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166123][ T3426]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   99.166125][ T3426]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   99.166126][ T3426]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   99.166128][ T3426]  ? __kernel_text_address (kernel/extable.c:79)
[   99.166129][ T3426]  ? write_profile (profile.c:?)
[   99.166130][ T3426]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   99.166133][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166135][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166136][ T3426]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   99.166140][ T3426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.166141][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166143][ T3426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.166144][ T3426]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.166146][ T3426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.166147][ T3426]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   99.166148][ T3426]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   99.166151][ T3426]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.166152][ T3426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.166154][ T3426]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.166155][ T3426]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.166156][ T3426]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   99.166159][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166161][ T3426]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.166163][ T3426]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.166164][ T3426]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.166166][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166168][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166170][ T3426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.166171][ T3426]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.166173][ T3426]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   99.166175][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166177][ T3426]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.166179][ T3426]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   99.166180][ T3426]  ? copy_msghdr_from_user (net/socket.c:2650)
[   99.166182][ T3426]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   99.166184][ T3426]  ? move_addr_to_kernel (net/socket.c:258)
[   99.166185][ T3426]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   99.166188][ T3426]  ___sys_sendmsg (net/socket.c:2767)
[   99.166189][ T3426]  ? copy_msghdr_from_user (net/socket.c:2619)
[   99.166194][ T3426]  __sys_sendmsg (net/socket.c:2799)
[   99.166196][ T3426]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   99.166199][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.166201][ T3426]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.166202][ T3426]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   99.166204][ T3426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.166206][ T3426] RIP: 0033:0x7f1677ba554e
[   99.166208][ T3426] 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
[   99.166210][ T3426] RSP: 002b:00007ffed8485a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.166213][ T3426] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1677ba554e
[   99.166215][ T3426] RDX: 0000000000000000 RSI: 00007ffed8485ac0 RDI: 0000000000000005
[   99.166216][ T3426] RBP: 00007ffed8485a20 R08: 0000000000000000 R09: 0000000000000000
[   99.166216][ T3426] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a900
[   99.166217][ T3426] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed8486180
| [  100.285303][ T3512] softirqs last disabled at (0): 0x0
| [  100.285306][ T3512] Preemption disabled at:
| [  100.285307][ T3512] vprintk_emit (kernel/printk/printk.c:2471)
| [  100.285321][ T3512] Tainted: [W]=WARN
[  100.285323][ T3512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.285325][ T3512] Call Trace:
[  100.285327][ T3512]  <TASK>
[  100.285329][ T3512]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  100.285335][ T3512]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  100.285338][ T3512]  __might_resched.cold (kernel/sched/core.c:9234)
[  100.285343][ T3512]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  100.285347][ T3512]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  100.285351][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285357][ T3512]  __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))
[  100.285361][ T3512]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  100.285364][ T3512]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.285369][ T3512]  ? 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)
[  100.285372][ T3512]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.285375][ T3512]  put_chars (drivers/char/virtio_console.c:1176)
[  100.285378][ T3512]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  100.285381][ T3512]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  100.285385][ T3512]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  100.285390][ T3512]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  100.285393][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285396][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.285399][ T3512]  console_emit_next_record (kernel/printk/printk.c:3183)
[  100.285403][ T3512]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  100.285406][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285408][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285411][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285413][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.285416][ T3512]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  100.285419][ T3512]  console_flush_one_record (kernel/printk/printk.c:3268)
[  100.285422][ T3512]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  100.285427][ T3512]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  100.285429][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.285432][ T3512]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  100.285434][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285437][ T3512]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  100.285439][ T3512]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  100.285441][ T3512]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  100.285445][ T3512]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  100.285447][ T3512]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  100.285450][ T3512]  vprintk_emit (kernel/printk/printk.c:2479)
[  100.285454][ T3512]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  100.285457][ T3512]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  100.285460][ T3512]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.285464][ T3512]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  100.285466][ T3512]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  100.285470][ T3512]  ? ___sys_sendmsg (net/socket.c:2767)
[  100.285472][ T3512]  ? __sys_sendmsg (net/socket.c:2799)
[  100.285475][ T3512]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  100.285479][ T3512]  _printk (kernel/printk/printk.c:2504)
[  100.285483][ T3512]  ? snapshot_read.cold (user.c:?)
[  100.285487][ T3512]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  100.285491][ T3512]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  100.285494][ T3512]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  100.285497][ T3512]  ? netdev_notice (net/core/dev.c:13194)
[  100.285500][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285503][ T3512]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  100.285506][ T3512]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  100.285509][ T3512]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  100.285512][ T3512]  ? 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)
[  100.285522][ T3512]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  100.285526][ T3512]  dev_set_allmulti (net/core/dev_api.c:315)
[  100.285530][ T3512] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  100.285548][ T3512]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  100.285553][ T3512]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  100.285557][ T3512] br_del_if (net/bridge/br_if.c:732) bridge
[  100.285570][ T3512]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  100.285574][ T3512]  do_set_master (net/core/rtnetlink.c:3055)
[  100.285578][ T3512]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  100.285582][ T3512]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  100.285586][ T3512]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  100.285588][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285592][ T3512]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  100.285597][ T3512]  ? kasan_save_stack (mm/kasan/common.c:58)
[  100.285601][ T3512]  ? kasan_save_stack (mm/kasan/common.c:57)
[  100.285603][ T3512]  ? kasan_save_track (mm/kasan/common.c:78)
[  100.285606][ T3512]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  100.285608][ T3512]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  100.285611][ T3512]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  100.285613][ T3512]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  100.285615][ T3512]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  100.285618][ T3512]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.285620][ T3512]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  100.285622][ T3512]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  100.285624][ T3512]  ? ___sys_sendmsg (net/socket.c:2767)
[  100.285627][ T3512]  ? __sys_sendmsg (net/socket.c:2799)
[  100.285629][ T3512]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  100.285631][ T3512]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.285636][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285639][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.285641][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285643][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285646][ T3512]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  100.285649][ T3512]  ? __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)
[  100.285653][ T3512]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  100.285655][ T3512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  100.285658][ T3512]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  100.285660][ T3512]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.285664][ T3512]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  100.285668][ T3512]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  100.285672][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285675][ T3512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  100.285677][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.285679][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285683][ T3512]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  100.285685][ T3512]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  100.285688][ T3512]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  100.285690][ T3512]  ? __kernel_text_address (kernel/extable.c:79)
[  100.285693][ T3512]  ? write_profile (profile.c:?)
[  100.285695][ T3512]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  100.285698][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285701][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285704][ T3512]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  100.285708][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.285711][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285714][ T3512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  100.285716][ T3512]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  100.285719][ T3512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.285722][ T3512]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  100.285724][ T3512]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  100.285729][ T3512]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  100.285735][ T3512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.285738][ T3512]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  100.285740][ T3512]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.285743][ T3512]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  100.285747][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285750][ T3512]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  100.285753][ T3512]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.285757][ T3512]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.285760][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285763][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285765][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.285768][ T3512]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  100.285772][ T3512]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  100.285775][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285777][ T3512]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  100.285780][ T3512]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  100.285783][ T3512]  ? copy_msghdr_from_user (net/socket.c:2650)
[  100.285786][ T3512]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  100.285788][ T3512]  ? move_addr_to_kernel (net/socket.c:258)
[  100.285791][ T3512]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  100.285795][ T3512]  ___sys_sendmsg (net/socket.c:2767)
[  100.285798][ T3512]  ? copy_msghdr_from_user (net/socket.c:2619)
[  100.285806][ T3512]  __sys_sendmsg (net/socket.c:2799)
[  100.285809][ T3512]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  100.285814][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.285817][ T3512]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  100.285819][ T3512]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  100.285822][ T3512]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.285825][ T3512] RIP: 0033:0x7f28d645b54e
[  100.285828][ T3512] 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
[  100.285831][ T3512] RSP: 002b:00007ffe61fb93d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.285836][ T3512] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f28d645b54e
[  100.285838][ T3512] RDX: 0000000000000000 RSI: 00007ffe61fb9480 RDI: 0000000000000005
[  100.285840][ T3512] RBP: 00007ffe61fb93e0 R08: 0000000000000000 R09: 0000000000000000
[  100.285841][ T3512] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a901


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print