======================================
| [   10.757215][  T231] softirqs last disabled at (25231): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.757217][  T231] Preemption disabled at:
| [   10.757218][  T231] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.757227][  T231] Tainted: [W]=WARN
[   10.757228][  T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.757230][  T231] Call Trace:
[   10.757232][  T231]  <TASK>
[   10.757233][  T231]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.757239][  T231]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.757241][  T231]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.757246][  T231]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.757250][  T231]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.757255][  T231]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.757257][  T231]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.757263][  T231]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.757265][  T231]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.757268][  T231]  put_chars (drivers/char/virtio_console.c:1176)
[   10.757271][  T231]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.757272][  T231]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.757277][  T231]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.757280][  T231]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.757284][  T231]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.757286][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.757291][  T231]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.757294][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.757298][  T231]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.757302][  T231]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.757304][  T231]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.757307][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.757309][  T231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.757313][  T231]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.757317][  T231]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.757319][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.757324][  T231]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.757327][  T231]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.757328][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.757331][  T231]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.757334][  T231]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.757336][  T231]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.757339][  T231]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.757343][  T231]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.757348][  T231]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.757352][  T231]  _printk (kernel/printk/printk.c:2504)
[   10.757356][  T231]  ? snapshot_read.cold (user.c:?)
[   10.757365][  T231]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   10.757368][  T231] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   10.757371][  T231]  do_one_initcall (init/main.c:1357)
[   10.757374][  T231]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.757379][  T231]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.757382][  T231]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.757386][  T231]  do_init_module (kernel/module/main.c:3117)
[   10.757390][  T231]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.757394][  T231]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.757397][  T231]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.757401][  T231]  load_module (kernel/module/main.c:3593)
[   10.757408][  T231]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.757412][  T231]  ? __ia32_sys_fsconfig (??:?)
[   10.757415][  T231]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.757419][  T231]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.757422][  T231]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.757426][  T231]  init_module_from_file (kernel/module/main.c:3790)
[   10.757429][  T231]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.757437][  T231]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.757440][  T231]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.757443][  T231]  idempotent_init_module (kernel/module/main.c:3802)
[   10.757446][  T231]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.757452][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.757455][  T231]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.757460][  T231]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.757463][  T231]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.757466][  T231]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.757468][  T231]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.757471][  T231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.757473][  T231] RIP: 0033:0x7f327b09d37d
[   10.757476][  T231] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.757479][  T231] RSP: 002b:00007ffe2a6fac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.757481][  T231] RAX: ffffffffffffffda RBX: 00005645270d2810 RCX: 00007f327b09d37d
[   10.757483][  T231] RDX: 0000000000000000 RSI: 00005645043a7ffd RDI: 0000000000000000
[   10.757484][  T231] RBP: 00007ffe2a6fad10 R08: 0000000000000000 R09: 0000000000000000
[   10.757484][  T231] R10: 0000000000000000 R11: 0000000000000246 R12: 00005645043a7ffd
[   10.757485][  T231] R13: 00005645270d2960 R14: 0000000000040000 R15: 0000000000000000
| [   11.778096][  T267] softirqs last disabled at (16810): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.778099][  T267] Preemption disabled at:
| [   11.778099][  T267] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.778109][  T267] Tainted: [W]=WARN
[   11.778110][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.778112][  T267] Call Trace:
[   11.778113][  T267]  <TASK>
[   11.778115][  T267]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.778121][  T267]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.778123][  T267]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.778128][  T267]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.778133][  T267]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.778138][  T267]  __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))
[   11.778141][  T267]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.778146][  T267]  ? 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)
[   11.778149][  T267]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.778152][  T267]  put_chars (drivers/char/virtio_console.c:1176)
[   11.778155][  T267]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.778160][  T267]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.778163][  T267]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.778166][  T267]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.778168][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.778170][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.778174][  T267]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.778176][  T267]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.778179][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.778183][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.778187][  T267]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.778191][  T267]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.778193][  T267]  ? 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))
[   11.778196][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.778198][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.778202][  T267]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.778206][  T267]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.778208][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.778214][  T267]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.778217][  T267]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.778218][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.778221][  T267]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.778225][  T267]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.778226][  T267]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.778230][  T267]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.778234][  T267]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.778236][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.778238][  T267]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.778242][  T267]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.778246][  T267]  _printk (kernel/printk/printk.c:2504)
[   11.778250][  T267]  ? snapshot_read.cold (user.c:?)
[   11.778254][  T267]  ? br_multicast_flood (??:?) bridge
[   11.778267][  T267]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.778269][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.778270][  T267]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.778274][  T267] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.778284][  T267] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.778293][  T267] new_nbp (net/bridge/br_if.c:449) bridge
[   11.778302][  T267] br_add_if (net/bridge/br_if.c:592) bridge
[   11.778309][  T267]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.778314][  T267]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.778317][  T267]  ? __kernel_text_address (kernel/extable.c:79)
[   11.778321][  T267]  do_set_master (net/core/rtnetlink.c:3071)
[   11.778325][  T267]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.778329][  T267]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.778332][  T267]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.778333][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.778336][  T267]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.778339][  T267]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.778342][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.778344][  T267]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.778347][  T267]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.778350][  T267]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.778351][  T267]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.778354][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.778356][  T267]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.778359][  T267]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.778366][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.778368][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.778371][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.778373][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.778375][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.778377][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.778379][  T267]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.778383][  T267]  ? __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)
[   11.778385][  T267]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.778387][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.778390][  T267]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.778392][  T267]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.778397][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.778402][  T267]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.778408][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.778409][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.778414][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.778416][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.778418][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.778420][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.778424][  T267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.778426][  T267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.778429][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.778430][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.778435][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.778436][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.778440][  T267]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.778442][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.778445][  T267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.778451][  T267]  ? 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))
[   11.778452][  T267]  ? 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))
[   11.778457][  T267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.778461][  T267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.778463][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.778467][  T267]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.778471][  T267]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.778475][  T267]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.778480][  T267]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.778482][  T267]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.778485][  T267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.778486][  T267]  ? move_addr_to_kernel (net/socket.c:258)
[   11.778494][  T267]  ___sys_sendmsg (net/socket.c:2767)
[   11.778497][  T267]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.778513][  T267]  __sys_sendmsg (net/socket.c:2799)
[   11.778515][  T267]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.778522][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.778525][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.778528][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.778531][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.778533][  T267] RIP: 0033:0x7faa15f7054e
[   11.778537][  T267] 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
[   11.778539][  T267] RSP: 002b:00007ffc6bc7cb00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.778542][  T267] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007faa15f7054e
[   11.778544][  T267] RDX: 0000000000000000 RSI: 00007ffc6bc7cbb0 RDI: 0000000000000005
[   11.778544][  T267] RBP: 00007ffc6bc7cb10 R08: 0000000000000000 R09: 0000000000000000
[   11.778545][  T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185a2
[   11.778546][  T267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6bc7d270
| [   18.706501][  T348] softirqs last disabled at (27146): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   18.706509][  T348] Preemption disabled at:
| [   18.706510][  T348] 0x0
| [   18.706521][  T348] Tainted: [W]=WARN
[   18.706522][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.706523][  T348] Call Trace:
[   18.706525][  T348]  <TASK>
[   18.706527][  T348]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.706534][  T348]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.706538][  T348]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.706543][  T348]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.706548][  T348]  __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))
[   18.706550][  T348]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.706556][  T348]  ? 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)
[   18.706558][  T348]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.706562][  T348]  put_chars (drivers/char/virtio_console.c:1176)
[   18.706565][  T348]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.706566][  T348]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   18.706570][  T348]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   18.706574][  T348]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.706576][  T348]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.706578][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.706580][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.706584][  T348]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.706585][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.706589][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.706593][  T348]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.706597][  T348]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.706598][  T348]  ? 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))
[   18.706602][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.706606][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.706609][  T348]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.706614][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.706615][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.706622][  T348]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.706626][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.706628][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.706630][  T348]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.706634][  T348]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.706636][  T348]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.706639][  T348]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.706643][  T348]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.706646][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.706647][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.706650][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.706654][  T348]  _printk (kernel/printk/printk.c:2504)
[   18.706658][  T348]  ? snapshot_read.cold (user.c:?)
[   18.706661][  T348]  ? insn_is_nop (arch/x86/lib/insn-eval.c:1795)
[   18.706669][  T348] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   18.706680][  T348] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   18.706689][  T348] br_device_event (net/bridge/br.c:111) bridge
[   18.706696][  T348]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   18.706700][  T348]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   18.706705][  T348]  notifier_call_chain (kernel/notifier.c:85)
[   18.706711][  T348]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   18.706716][  T348]  ? netif_change_name (net/core/dev.c:1517)
[   18.706720][  T348]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   18.706723][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   18.706725][  T348]  ? write_profile (profile.c:?)
[   18.706728][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.706732][  T348]  netif_change_flags (net/core/dev.c:9882)
[   18.706736][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   18.706740][  T348]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.706742][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.706743][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.706745][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.706748][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.706751][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.706753][  T348]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.706755][  T348]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.706758][  T348]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.706760][  T348]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.706762][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.706764][  T348]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   18.706767][  T348]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.706772][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.706774][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.706776][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.706779][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.706780][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.706782][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.706784][  T348]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.706788][  T348]  ? __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)
[   18.706790][  T348]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.706792][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.706795][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.706800][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.706806][  T348]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.706811][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.706813][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.706817][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.706819][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.706821][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.706823][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.706827][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.706829][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.706832][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.706833][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.706837][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.706839][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.706843][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.706844][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.706847][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.706853][  T348]  ? 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))
[   18.706855][  T348]  ? 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))
[   18.706859][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.706863][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.706865][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.706870][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.706873][  T348]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.706877][  T348]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.706882][  T348]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.706885][  T348]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.706887][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.706889][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   18.706896][  T348]  ___sys_sendmsg (net/socket.c:2767)
[   18.706899][  T348]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.706915][  T348]  __sys_sendmsg (net/socket.c:2799)
[   18.706918][  T348]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.706924][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.706928][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.706929][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.706932][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.706934][  T348] RIP: 0033:0x7feae373154e
[   18.706937][  T348] 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
[   18.706939][  T348] RSP: 002b:00007ffd462386d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.706942][  T348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007feae373154e
[   18.706943][  T348] RDX: 0000000000000000 RSI: 00007ffd46238780 RDI: 0000000000000005
[   18.706944][  T348] RBP: 00007ffd462386e0 R08: 0000000000000000 R09: 0000000000000000
[   18.706945][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185a9
[   18.706946][  T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd46238e40
| [   23.972058][  T357] softirqs last disabled at (12826): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   23.972066][  T357] Preemption disabled at:
| [   23.972066][  T357] 0x0
| [   23.972077][  T357] Tainted: [W]=WARN
[   23.972077][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.972079][  T357] Call Trace:
[   23.972081][  T357]  <TASK>
[   23.972082][  T357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.972088][  T357]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.972093][  T357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.972097][  T357]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.972102][  T357]  __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))
[   23.972105][  T357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.972110][  T357]  ? 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)
[   23.972113][  T357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.972116][  T357]  put_chars (drivers/char/virtio_console.c:1176)
[   23.972118][  T357]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   23.972120][  T357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.972123][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.972127][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.972131][  T357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.972134][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.972135][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.972140][  T357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.972141][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   23.972144][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.972147][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.972151][  T357]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.972155][  T357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.972156][  T357]  ? 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))
[   23.972159][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.972162][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.972165][  T357]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.972169][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.972171][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.972176][  T357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.972179][  T357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.972181][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.972183][  T357]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.972186][  T357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.972188][  T357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.972192][  T357]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.972196][  T357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.972199][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.972201][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.972204][  T357]  _printk (kernel/printk/printk.c:2504)
[   23.972208][  T357]  ? snapshot_read.cold (user.c:?)
[   23.972216][  T357] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   23.972225][  T357] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   23.972234][  T357] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   23.972242][  T357] br_dev_stop (net/bridge/br_device.c:193) bridge
[   23.972251][  T357]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.972253][  T357]  __dev_close_many (net/core/dev.c:1798)
[   23.972258][  T357]  ? netif_open (net/core/dev.c:1755)
[   23.972261][  T357]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   23.972265][  T357]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   23.972269][  T357]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   23.972272][  T357]  ? __kernel_text_address (kernel/extable.c:79)
[   23.972274][  T357]  ? write_profile (profile.c:?)
[   23.972277][  T357]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.972281][  T357]  netif_change_flags (net/core/dev.c:9877)
[   23.972285][  T357]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   23.972288][  T357]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.972290][  T357]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.972292][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.972293][  T357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.972297][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.972299][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.972301][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.972304][  T357]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.972307][  T357]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.972308][  T357]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.972311][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.972313][  T357]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   23.972315][  T357]  ? ___sys_sendmsg (net/socket.c:2757)
[   23.972320][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.972322][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.972324][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.972327][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.972328][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.972330][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.972332][  T357]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.972336][  T357]  ? __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)
[   23.972339][  T357]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.972341][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.972344][  T357]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.972350][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.972355][  T357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.972360][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.972364][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.972369][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.972371][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.972373][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.972375][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.972379][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.972381][  T357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.972384][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.972385][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.972390][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.972391][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.972395][  T357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.972397][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.972400][  T357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.972406][  T357]  ? 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))
[   23.972407][  T357]  ? 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))
[   23.972411][  T357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.972415][  T357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.972417][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.972422][  T357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.972425][  T357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.972429][  T357]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.972434][  T357]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   23.972437][  T357]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.972439][  T357]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   23.972440][  T357]  ? move_addr_to_kernel (net/socket.c:258)
[   23.972448][  T357]  ___sys_sendmsg (net/socket.c:2767)
[   23.972450][  T357]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.972466][  T357]  __sys_sendmsg (net/socket.c:2799)
[   23.972469][  T357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.972475][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.972478][  T357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.972481][  T357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.972484][  T357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.972486][  T357] RIP: 0033:0x7f92f8c8054e
[   23.972488][  T357] 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
[   23.972490][  T357] RSP: 002b:00007ffe11765a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.972493][  T357] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f92f8c8054e
[   23.972494][  T357] RDX: 0000000000000000 RSI: 00007ffe11765b20 RDI: 0000000000000005
[   23.972495][  T357] RBP: 00007ffe11765a80 R08: 0000000000000000 R09: 0000000000000000
[   23.972496][  T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185ae
[   23.972497][  T357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe117661e0
| [   29.903242][  T392] softirqs last disabled at (14206): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   29.903249][  T392] Preemption disabled at:
| [   29.903250][  T392] 0x0
| [   29.903260][  T392] Tainted: [W]=WARN
[   29.903261][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.903263][  T392] Call Trace:
[   29.903264][  T392]  <TASK>
[   29.903266][  T392]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.903272][  T392]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.903277][  T392]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.903281][  T392]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.903286][  T392]  __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))
[   29.903289][  T392]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.903294][  T392]  ? 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)
[   29.903297][  T392]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.903300][  T392]  put_chars (drivers/char/virtio_console.c:1176)
[   29.903302][  T392]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.903304][  T392]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.903307][  T392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.903311][  T392]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.903315][  T392]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.903318][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.903319][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.903324][  T392]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.903325][  T392]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.903328][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.903331][  T392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.903335][  T392]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.903339][  T392]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.903341][  T392]  ? 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))
[   29.903344][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.903346][  T392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.903350][  T392]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.903354][  T392]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.903356][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.903361][  T392]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.903367][  T392]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.903369][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.903371][  T392]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.903375][  T392]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.903377][  T392]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.903380][  T392]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.903385][  T392]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.903389][  T392]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.903391][  T392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.903395][  T392]  _printk (kernel/printk/printk.c:2504)
[   29.903399][  T392]  ? snapshot_read.cold (user.c:?)
[   29.903406][  T392] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   29.903416][  T392] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   29.903425][  T392] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   29.903433][  T392] br_dev_stop (net/bridge/br_device.c:193) bridge
[   29.903442][  T392]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.903444][  T392]  __dev_close_many (net/core/dev.c:1798)
[   29.903449][  T392]  ? netif_open (net/core/dev.c:1755)
[   29.903452][  T392]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   29.903457][  T392]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   29.903460][  T392]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   29.903463][  T392]  ? __kernel_text_address (kernel/extable.c:79)
[   29.903465][  T392]  ? write_profile (profile.c:?)
[   29.903468][  T392]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.903472][  T392]  netif_change_flags (net/core/dev.c:9877)
[   29.903476][  T392]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   29.903479][  T392]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.903481][  T392]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.903483][  T392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.903484][  T392]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.903488][  T392]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.903490][  T392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.903492][  T392]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.903495][  T392]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.903498][  T392]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.903500][  T392]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.903502][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.903504][  T392]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   29.903507][  T392]  ? ___sys_sendmsg (net/socket.c:2757)
[   29.903511][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.903513][  T392]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.903516][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.903518][  T392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.903520][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.903522][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.903524][  T392]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.903528][  T392]  ? __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)
[   29.903531][  T392]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.903534][  T392]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.903537][  T392]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.903542][  T392]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.903547][  T392]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.903553][  T392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.903554][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.903559][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.903561][  T392]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.903563][  T392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.903564][  T392]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.903568][  T392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.903570][  T392]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.903573][  T392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.903574][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.903579][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.903581][  T392]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.903584][  T392]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.903586][  T392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.903589][  T392]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.903595][  T392]  ? 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))
[   29.903596][  T392]  ? 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))
[   29.903600][  T392]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.903604][  T392]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.903607][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.903611][  T392]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.903615][  T392]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.903618][  T392]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.903624][  T392]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.903627][  T392]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.903629][  T392]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.903630][  T392]  ? move_addr_to_kernel (net/socket.c:258)
[   29.903638][  T392]  ___sys_sendmsg (net/socket.c:2767)
[   29.903641][  T392]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.903656][  T392]  __sys_sendmsg (net/socket.c:2799)
[   29.903659][  T392]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.903665][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.903669][  T392]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.903671][  T392]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.903674][  T392]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.903676][  T392] RIP: 0033:0x7f77b7f3854e
[   29.903679][  T392] 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
[   29.903681][  T392] RSP: 002b:00007ffcfc04ae30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.903684][  T392] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f77b7f3854e
[   29.903685][  T392] RDX: 0000000000000000 RSI: 00007ffcfc04aee0 RDI: 0000000000000005
[   29.903686][  T392] RBP: 00007ffcfc04ae40 R08: 0000000000000000 R09: 0000000000000000
[   29.903687][  T392] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185b4
[   29.903688][  T392] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfc04b5a0
| [   36.760826][  T695] softirqs last disabled at (15554): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   36.760839][  T695] Preemption disabled at:
| [   36.760840][  T695] 0x0
| [   36.760852][  T695] Tainted: [W]=WARN
[   36.760854][  T695] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.760856][  T695] Call Trace:
[   36.760858][  T695]  <TASK>
[   36.760860][  T695]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.760868][  T695]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.760875][  T695]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.760881][  T695]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.760888][  T695]  __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))
[   36.760892][  T695]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.760901][  T695]  ? 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)
[   36.760904][  T695]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.760909][  T695]  put_chars (drivers/char/virtio_console.c:1176)
[   36.760914][  T695]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.760919][  T695]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.760924][  T695]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.760928][  T695]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.760935][  T695]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.760938][  T695]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   36.760941][  T695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.760944][  T695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.760951][  T695]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.760953][  T695]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.760961][  T695]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.760968][  T695]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.760974][  T695]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.760976][  T695]  ? 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))
[   36.760981][  T695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.760987][  T695]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.760994][  T695]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.761001][  T695]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.761004][  T695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.761013][  T695]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.761018][  T695]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.761020][  T695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.761024][  T695]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.761029][  T695]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.761031][  T695]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.761036][  T695]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.761047][  T695]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.761049][  T695]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.761053][  T695]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.761056][  T695]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.761061][  T695]  _printk (kernel/printk/printk.c:2504)
[   36.761065][  T695]  ? snapshot_read.cold (user.c:?)
[   36.761077][  T695] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   36.761092][  T695] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   36.761105][  T695] br_device_event (net/bridge/br.c:111) bridge
[   36.761115][  T695]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   36.761120][  T695]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   36.761129][  T695]  notifier_call_chain (kernel/notifier.c:85)
[   36.761136][  T695]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   36.761142][  T695]  ? netif_change_name (net/core/dev.c:1517)
[   36.761147][  T695]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   36.761151][  T695]  ? __kernel_text_address (kernel/extable.c:79)
[   36.761154][  T695]  ? write_profile (profile.c:?)
[   36.761157][  T695]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.761163][  T695]  netif_change_flags (net/core/dev.c:9882)
[   36.761169][  T695]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   36.761174][  T695]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.761176][  T695]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.761178][  T695]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.761180][  T695]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.761184][  T695]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.761188][  T695]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.761190][  T695]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.761193][  T695]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.761197][  T695]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.761199][  T695]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.761202][  T695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.761205][  T695]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   36.761208][  T695]  ? ___sys_sendmsg (net/socket.c:2757)
[   36.761214][  T695]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.761217][  T695]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.761221][  T695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.761224][  T695]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.761226][  T695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.761228][  T695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.761231][  T695]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.761236][  T695]  ? __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)
[   36.761238][  T695]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.761241][  T695]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.761248][  T695]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.761258][  T695]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.761267][  T695]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.761277][  T695]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.761280][  T695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.761288][  T695]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.761291][  T695]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.761294][  T695]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.761297][  T695]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.761304][  T695]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.761307][  T695]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.761313][  T695]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.761315][  T695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.761323][  T695]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.761325][  T695]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.761331][  T695]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.761334][  T695]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.761339][  T695]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.761351][  T695]  ? 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))
[   36.761353][  T695]  ? 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))
[   36.761361][  T695]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.761368][  T695]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.761372][  T695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.761380][  T695]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.761386][  T695]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.761393][  T695]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.761401][  T695]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.761405][  T695]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.761408][  T695]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.761411][  T695]  ? move_addr_to_kernel (net/socket.c:258)
[   36.761424][  T695]  ___sys_sendmsg (net/socket.c:2767)
[   36.761429][  T695]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.761460][  T695]  __sys_sendmsg (net/socket.c:2799)
[   36.761465][  T695]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.761476][  T695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.761482][  T695]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.761486][  T695]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.761491][  T695]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.761494][  T695] RIP: 0033:0x7f3ebe29054e
[   36.761497][  T695] 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
[   36.761500][  T695] RSP: 002b:00007ffe0a3a5300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.761504][  T695] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3ebe29054e
[   36.761505][  T695] RDX: 0000000000000000 RSI: 00007ffe0a3a53b0 RDI: 0000000000000005
[   36.761507][  T695] RBP: 00007ffe0a3a5310 R08: 0000000000000000 R09: 0000000000000000
[   36.761508][  T695] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185bb
[   36.761509][  T695] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0a3a5a70
| [   42.046002][  T704] softirqs last disabled at (12828): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   42.046009][  T704] Preemption disabled at:
| [   42.046010][  T704] 0x0
| [   42.046020][  T704] Tainted: [W]=WARN
[   42.046021][  T704] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.046022][  T704] Call Trace:
[   42.046024][  T704]  <TASK>
[   42.046025][  T704]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.046032][  T704]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.046036][  T704]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.046040][  T704]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   42.046046][  T704]  __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))
[   42.046048][  T704]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.046054][  T704]  ? 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)
[   42.046063][  T704]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.046066][  T704]  put_chars (drivers/char/virtio_console.c:1176)
[   42.046068][  T704]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   42.046070][  T704]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.046073][  T704]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.046077][  T704]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.046081][  T704]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.046084][  T704]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.046086][  T704]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.046090][  T704]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.046092][  T704]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   42.046095][  T704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.046098][  T704]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.046102][  T704]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.046106][  T704]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.046108][  T704]  ? 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))
[   42.046111][  T704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.046113][  T704]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.046117][  T704]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.046121][  T704]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.046123][  T704]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.046128][  T704]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.046131][  T704]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.046133][  T704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.046135][  T704]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   42.046139][  T704]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.046140][  T704]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.046144][  T704]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.046148][  T704]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.046151][  T704]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.046153][  T704]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.046157][  T704]  _printk (kernel/printk/printk.c:2504)
[   42.046160][  T704]  ? snapshot_read.cold (user.c:?)
[   42.046168][  T704] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   42.046178][  T704] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   42.046187][  T704] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   42.046194][  T704] br_dev_stop (net/bridge/br_device.c:193) bridge
[   42.046203][  T704]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.046206][  T704]  __dev_close_many (net/core/dev.c:1798)
[   42.046210][  T704]  ? netif_open (net/core/dev.c:1755)
[   42.046212][  T704]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.046214][  T704]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   42.046218][  T704]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   42.046221][  T704]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   42.046224][  T704]  ? __kernel_text_address (kernel/extable.c:79)
[   42.046227][  T704]  ? write_profile (profile.c:?)
[   42.046229][  T704]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   42.046234][  T704]  netif_change_flags (net/core/dev.c:9877)
[   42.046238][  T704]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   42.046241][  T704]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.046243][  T704]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.046244][  T704]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.046246][  T704]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.046249][  T704]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.046252][  T704]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.046254][  T704]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.046256][  T704]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.046259][  T704]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.046261][  T704]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.046264][  T704]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.046265][  T704]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   42.046268][  T704]  ? ___sys_sendmsg (net/socket.c:2757)
[   42.046272][  T704]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.046274][  T704]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.046277][  T704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.046279][  T704]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.046281][  T704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.046283][  T704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.046285][  T704]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.046289][  T704]  ? __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)
[   42.046292][  T704]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.046294][  T704]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.046297][  T704]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.046302][  T704]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.046308][  T704]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.046313][  T704]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.046315][  T704]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.046319][  T704]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.046321][  T704]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.046323][  T704]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.046325][  T704]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.046328][  T704]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.046330][  T704]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.046333][  T704]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.046335][  T704]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.046339][  T704]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.046341][  T704]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.046344][  T704]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.046346][  T704]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.046349][  T704]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.046355][  T704]  ? 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))
[   42.046356][  T704]  ? 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))
[   42.046361][  T704]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.046367][  T704]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.046369][  T704]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.046374][  T704]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.046377][  T704]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.046381][  T704]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   42.046387][  T704]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.046389][  T704]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.046391][  T704]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   42.046393][  T704]  ? move_addr_to_kernel (net/socket.c:258)
[   42.046400][  T704]  ___sys_sendmsg (net/socket.c:2767)
[   42.046403][  T704]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.046419][  T704]  __sys_sendmsg (net/socket.c:2799)
[   42.046422][  T704]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.046428][  T704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.046432][  T704]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.046434][  T704]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.046437][  T704]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.046439][  T704] RIP: 0033:0x7f4e18c6e54e
[   42.046442][  T704] 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
[   42.046444][  T704] RSP: 002b:00007fff1ab519f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.046446][  T704] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4e18c6e54e
[   42.046448][  T704] RDX: 0000000000000000 RSI: 00007fff1ab51aa0 RDI: 0000000000000005
[   42.046449][  T704] RBP: 00007fff1ab51a00 R08: 0000000000000000 R09: 0000000000000000
[   42.046449][  T704] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185c0
[   42.046450][  T704] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1ab52160
| [   47.945704][  T739] softirqs last disabled at (12880): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   47.945711][  T739] Preemption disabled at:
| [   47.945712][  T739] 0x0
| [   47.945722][  T739] Tainted: [W]=WARN
[   47.945723][  T739] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.945725][  T739] Call Trace:
[   47.945726][  T739]  <TASK>
[   47.945728][  T739]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.945734][  T739]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.945739][  T739]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.945743][  T739]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.945748][  T739]  __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))
[   47.945751][  T739]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.945756][  T739]  ? 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)
[   47.945759][  T739]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.945762][  T739]  put_chars (drivers/char/virtio_console.c:1176)
[   47.945764][  T739]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   47.945766][  T739]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.945769][  T739]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.945773][  T739]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.945777][  T739]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.945780][  T739]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.945781][  T739]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.945786][  T739]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.945787][  T739]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   47.945790][  T739]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.945793][  T739]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.945797][  T739]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.945801][  T739]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.945803][  T739]  ? 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))
[   47.945806][  T739]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.945809][  T739]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.945813][  T739]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.945817][  T739]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.945819][  T739]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.945824][  T739]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.945827][  T739]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.945828][  T739]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.945831][  T739]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.945835][  T739]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.945836][  T739]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.945840][  T739]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.945844][  T739]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.945847][  T739]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.945850][  T739]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.945853][  T739]  _printk (kernel/printk/printk.c:2504)
[   47.945857][  T739]  ? snapshot_read.cold (user.c:?)
[   47.945865][  T739] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   47.945876][  T739] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   47.945885][  T739] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   47.945893][  T739] br_dev_stop (net/bridge/br_device.c:193) bridge
[   47.945902][  T739]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   47.945904][  T739]  __dev_close_many (net/core/dev.c:1798)
[   47.945909][  T739]  ? netif_open (net/core/dev.c:1755)
[   47.945910][  T739]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.945913][  T739]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.945917][  T739]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   47.945920][  T739]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   47.945923][  T739]  ? __kernel_text_address (kernel/extable.c:79)
[   47.945926][  T739]  ? write_profile (profile.c:?)
[   47.945928][  T739]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.945933][  T739]  netif_change_flags (net/core/dev.c:9877)
[   47.945937][  T739]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   47.945940][  T739]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.945942][  T739]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.945944][  T739]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.945946][  T739]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.945949][  T739]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.945952][  T739]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.945954][  T739]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.945956][  T739]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.945959][  T739]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.945961][  T739]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.945964][  T739]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.945965][  T739]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   47.945968][  T739]  ? ___sys_sendmsg (net/socket.c:2757)
[   47.945973][  T739]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.945975][  T739]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.945978][  T739]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.945980][  T739]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.945982][  T739]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.945983][  T739]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.945986][  T739]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.945990][  T739]  ? __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)
[   47.945993][  T739]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.945995][  T739]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.945998][  T739]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.946004][  T739]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.946009][  T739]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.946014][  T739]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.946016][  T739]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.946021][  T739]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.946023][  T739]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.946025][  T739]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.946027][  T739]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.946030][  T739]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.946032][  T739]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.946036][  T739]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.946037][  T739]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.946041][  T739]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.946043][  T739]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.946047][  T739]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.946049][  T739]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.946052][  T739]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.946058][  T739]  ? 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))
[   47.946059][  T739]  ? 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))
[   47.946064][  T739]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.946067][  T739]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.946070][  T739]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.946074][  T739]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.946085][  T739]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.946089][  T739]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.946095][  T739]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.946097][  T739]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.946100][  T739]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.946101][  T739]  ? move_addr_to_kernel (net/socket.c:258)
[   47.946109][  T739]  ___sys_sendmsg (net/socket.c:2767)
[   47.946112][  T739]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.946128][  T739]  __sys_sendmsg (net/socket.c:2799)
[   47.946131][  T739]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.946137][  T739]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.946141][  T739]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.946143][  T739]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.946146][  T739]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.946148][  T739] RIP: 0033:0x7ff4cf09654e
[   47.946151][  T739] 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
[   47.946153][  T739] RSP: 002b:00007ffe211d3ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.946156][  T739] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff4cf09654e
[   47.946157][  T739] RDX: 0000000000000000 RSI: 00007ffe211d3b90 RDI: 0000000000000005
[   47.946158][  T739] RBP: 00007ffe211d3af0 R08: 0000000000000000 R09: 0000000000000000
[   47.946159][  T739] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185c6
[   47.946160][  T739] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe211d4250
| [   50.553376][  T855] softirqs last disabled at (14474): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   50.553384][  T855] Preemption disabled at:
| [   50.553385][  T855] 0x0
| [   50.553396][  T855] Tainted: [W]=WARN
[   50.553397][  T855] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.553398][  T855] Call Trace:
[   50.553400][  T855]  <TASK>
[   50.553402][  T855]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.553408][  T855]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.553413][  T855]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.553418][  T855]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.553423][  T855]  __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))
[   50.553425][  T855]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.553431][  T855]  ? 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)
[   50.553434][  T855]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.553437][  T855]  put_chars (drivers/char/virtio_console.c:1176)
[   50.553440][  T855]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.553443][  T855]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.553447][  T855]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.553450][  T855]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.553454][  T855]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.553456][  T855]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.553458][  T855]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.553460][  T855]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.553464][  T855]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.553465][  T855]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.553470][  T855]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.553474][  T855]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.553478][  T855]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.553480][  T855]  ? 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))
[   50.553483][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.553486][  T855]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.553490][  T855]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.553494][  T855]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.553496][  T855]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.553501][  T855]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.553504][  T855]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.553506][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.553509][  T855]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.553512][  T855]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.553514][  T855]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.553518][  T855]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.553522][  T855]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.553524][  T855]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.553527][  T855]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.553530][  T855]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.553533][  T855]  _printk (kernel/printk/printk.c:2504)
[   50.553537][  T855]  ? snapshot_read.cold (user.c:?)
[   50.553546][  T855] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   50.553557][  T855] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   50.553566][  T855] br_device_event (net/bridge/br.c:111) bridge
[   50.553574][  T855]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   50.553578][  T855]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   50.553584][  T855]  notifier_call_chain (kernel/notifier.c:85)
[   50.553590][  T855]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   50.553595][  T855]  ? netif_change_name (net/core/dev.c:1517)
[   50.553599][  T855]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   50.553602][  T855]  ? __kernel_text_address (kernel/extable.c:79)
[   50.553605][  T855]  ? write_profile (profile.c:?)
[   50.553607][  T855]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.553612][  T855]  netif_change_flags (net/core/dev.c:9882)
[   50.553616][  T855]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   50.553620][  T855]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.553622][  T855]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.553623][  T855]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.553625][  T855]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.553628][  T855]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.553631][  T855]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.553633][  T855]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.553636][  T855]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.553639][  T855]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.553641][  T855]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.553643][  T855]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.553645][  T855]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   50.553648][  T855]  ? ___sys_sendmsg (net/socket.c:2757)
[   50.553653][  T855]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.553655][  T855]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.553658][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.553660][  T855]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.553662][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.553664][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.553666][  T855]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.553670][  T855]  ? __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)
[   50.553672][  T855]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.553674][  T855]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.553678][  T855]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.553684][  T855]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.553689][  T855]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.553695][  T855]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.553697][  T855]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.553701][  T855]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.553703][  T855]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.553705][  T855]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.553707][  T855]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.553711][  T855]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.553713][  T855]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.553717][  T855]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.553718][  T855]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.553723][  T855]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.553725][  T855]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.553728][  T855]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.553730][  T855]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.553733][  T855]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.553740][  T855]  ? 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))
[   50.553741][  T855]  ? 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))
[   50.553746][  T855]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.553750][  T855]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.553752][  T855]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.553757][  T855]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.553761][  T855]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.553765][  T855]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   50.553771][  T855]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.553773][  T855]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.553775][  T855]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.553777][  T855]  ? move_addr_to_kernel (net/socket.c:258)
[   50.553785][  T855]  ___sys_sendmsg (net/socket.c:2767)
[   50.553788][  T855]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.553804][  T855]  __sys_sendmsg (net/socket.c:2799)
[   50.553807][  T855]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.553814][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.553818][  T855]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.553821][  T855]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.553824][  T855]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.553826][  T855] RIP: 0033:0x7f278b39154e
[   50.553828][  T855] 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
[   50.553831][  T855] RSP: 002b:00007fff7230e9a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.553834][  T855] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f278b39154e
[   50.553835][  T855] RDX: 0000000000000000 RSI: 00007fff7230ea50 RDI: 0000000000000005
[   50.553836][  T855] RBP: 00007fff7230e9b0 R08: 0000000000000000 R09: 0000000000000000
[   50.553837][  T855] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185c8
[   50.553838][  T855] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7230f110
| [   55.803059][  T864] softirqs last disabled at (17802): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   55.803067][  T864] Preemption disabled at:
| [   55.803067][  T864] 0x0
| [   55.803078][  T864] Tainted: [W]=WARN
[   55.803079][  T864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.803081][  T864] Call Trace:
[   55.803082][  T864]  <TASK>
[   55.803084][  T864]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.803090][  T864]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.803095][  T864]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.803099][  T864]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.803105][  T864]  __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))
[   55.803113][  T864]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.803119][  T864]  ? 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)
[   55.803122][  T864]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.803125][  T864]  put_chars (drivers/char/virtio_console.c:1176)
[   55.803127][  T864]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   55.803129][  T864]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.803133][  T864]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.803136][  T864]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.803140][  T864]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.803143][  T864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.803144][  T864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.803149][  T864]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.803150][  T864]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   55.803154][  T864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.803157][  T864]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.803161][  T864]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.803165][  T864]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.803166][  T864]  ? 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))
[   55.803170][  T864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.803172][  T864]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.803176][  T864]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.803180][  T864]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.803182][  T864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.803188][  T864]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.803191][  T864]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.803192][  T864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.803195][  T864]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.803199][  T864]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.803200][  T864]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.803204][  T864]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.803208][  T864]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.803211][  T864]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.803214][  T864]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.803218][  T864]  _printk (kernel/printk/printk.c:2504)
[   55.803221][  T864]  ? snapshot_read.cold (user.c:?)
[   55.803229][  T864] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   55.803240][  T864] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   55.803248][  T864] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   55.803256][  T864] br_dev_stop (net/bridge/br_device.c:193) bridge
[   55.803269][  T864]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   55.803272][  T864]  __dev_close_many (net/core/dev.c:1798)
[   55.803278][  T864]  ? netif_open (net/core/dev.c:1755)
[   55.803281][  T864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.803284][  T864]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.803291][  T864]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   55.803295][  T864]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   55.803298][  T864]  ? __kernel_text_address (kernel/extable.c:79)
[   55.803300][  T864]  ? write_profile (profile.c:?)
[   55.803303][  T864]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   55.803308][  T864]  netif_change_flags (net/core/dev.c:9877)
[   55.803312][  T864]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   55.803315][  T864]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   55.803317][  T864]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.803318][  T864]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.803320][  T864]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.803324][  T864]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.803327][  T864]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.803328][  T864]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.803331][  T864]  ? kasan_save_stack (mm/kasan/common.c:58)
[   55.803334][  T864]  ? kasan_save_stack (mm/kasan/common.c:57)
[   55.803336][  T864]  ? kasan_save_track (mm/kasan/common.c:78)
[   55.803339][  T864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.803341][  T864]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   55.803343][  T864]  ? ___sys_sendmsg (net/socket.c:2757)
[   55.803348][  T864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.803350][  T864]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.803353][  T864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.803355][  T864]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.803357][  T864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.803359][  T864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.803363][  T864]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.803368][  T864]  ? __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)
[   55.803371][  T864]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.803373][  T864]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.803377][  T864]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.803382][  T864]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   55.803388][  T864]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.803393][  T864]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.803395][  T864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.803400][  T864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.803402][  T864]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.803404][  T864]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.803406][  T864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.803410][  T864]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.803412][  T864]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.803415][  T864]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.803416][  T864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.803421][  T864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.803423][  T864]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.803426][  T864]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.803428][  T864]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.803431][  T864]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.803437][  T864]  ? 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))
[   55.803439][  T864]  ? 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))
[   55.803443][  T864]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.803447][  T864]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.803450][  T864]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.803454][  T864]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.803458][  T864]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.803462][  T864]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.803467][  T864]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.803470][  T864]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.803472][  T864]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.803474][  T864]  ? move_addr_to_kernel (net/socket.c:258)
[   55.803481][  T864]  ___sys_sendmsg (net/socket.c:2767)
[   55.803484][  T864]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.803500][  T864]  __sys_sendmsg (net/socket.c:2799)
[   55.803504][  T864]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.803510][  T864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.803514][  T864]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.803516][  T864]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.803519][  T864]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.803522][  T864] RIP: 0033:0x7fde4375b54e
[   55.803524][  T864] 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
[   55.803526][  T864] RSP: 002b:00007ffe91f1d490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.803529][  T864] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde4375b54e
[   55.803531][  T864] RDX: 0000000000000000 RSI: 00007ffe91f1d540 RDI: 0000000000000005
[   55.803532][  T864] RBP: 00007ffe91f1d4a0 R08: 0000000000000000 R09: 0000000000000000
[   55.803532][  T864] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185ce
[   55.803533][  T864] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe91f1dc00
| [   56.814693][  T905] softirqs last disabled at (20396): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   56.814695][  T905] Preemption disabled at:
| [   56.814696][  T905] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.814705][  T905] Tainted: [W]=WARN
[   56.814706][  T905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.814708][  T905] Call Trace:
[   56.814709][  T905]  <TASK>
[   56.814711][  T905]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.814717][  T905]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.814719][  T905]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.814724][  T905]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.814728][  T905]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.814734][  T905]  __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))
[   56.814736][  T905]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.814742][  T905]  ? 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)
[   56.814744][  T905]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.814748][  T905]  put_chars (drivers/char/virtio_console.c:1176)
[   56.814750][  T905]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.814757][  T905]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.814764][  T905]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.814767][  T905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.814771][  T905]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.814775][  T905]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.814777][  T905]  ? 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))
[   56.814780][  T905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.814784][  T905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.814788][  T905]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.814793][  T905]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.814795][  T905]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.814800][  T905]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.814803][  T905]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.814805][  T905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.814807][  T905]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.814811][  T905]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.814813][  T905]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.814816][  T905]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.814820][  T905]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.814824][  T905]  ? __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)
[   56.814827][  T905]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.814828][  T905]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.814832][  T905]  _printk (kernel/printk/printk.c:2504)
[   56.814836][  T905]  ? snapshot_read.cold (user.c:?)
[   56.814839][  T905]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   56.814853][  T905]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   56.814858][  T905] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   56.814868][  T905] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   56.814877][  T905] new_nbp (net/bridge/br_if.c:449) bridge
[   56.814886][  T905] br_add_if (net/bridge/br_if.c:592) bridge
[   56.814893][  T905]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   56.814899][  T905]  do_set_master (net/core/rtnetlink.c:3071)
[   56.814905][  T905]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   56.814910][  T905]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   56.814912][  T905]  ? __dev_get_by_name (net/core/dev.c:905)
[   56.814915][  T905]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   56.814925][  T905]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   56.814933][  T905]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.814938][  T905]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.814941][  T905]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.814948][  T905]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.814952][  T905]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.814954][  T905]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.814957][  T905]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.814958][  T905]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.814963][  T905]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.814965][  T905]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.814968][  T905]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.814971][  T905]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.814974][  T905]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.814980][  T905]  ? 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))
[   56.814982][  T905]  ? 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))
[   56.814986][  T905]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.814990][  T905]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.814993][  T905]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.814997][  T905]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.815001][  T905]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.815005][  T905]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.815011][  T905]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.815014][  T905]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.815016][  T905]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.815018][  T905]  ? move_addr_to_kernel (net/socket.c:258)
[   56.815022][  T905]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   56.815025][  T905]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   56.815030][  T905]  ___sys_sendmsg (net/socket.c:2767)
[   56.815033][  T905]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.815050][  T905]  __sys_sendmsg (net/socket.c:2799)
[   56.815053][  T905]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.815059][  T905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.815061][  T905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.815065][  T905]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.815067][  T905]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.815070][  T905]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.815073][  T905] RIP: 0033:0x7f1cfa0aa54e
[   56.815076][  T905] 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
[   56.815079][  T905] RSP: 002b:00007ffd2c25a910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.815082][  T905] RAX: ffffffffffffffda RBX: 00007ffd2c25b0c8 RCX: 00007f1cfa0aa54e
[   56.815083][  T905] RDX: 0000000000000000 RSI: 00007ffd2c25a9c0 RDI: 0000000000000005
[   56.815084][  T905] RBP: 00007ffd2c25a920 R08: 0000000000000000 R09: 0000000000000000
[   56.815085][  T905] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185cf
[   56.815086][  T905] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2c25b080
| [   57.832619][  T945] softirqs last disabled at (14926): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   57.832622][  T945] Preemption disabled at:
| [   57.832622][  T945] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.832632][  T945] Tainted: [W]=WARN
[   57.832633][  T945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.832634][  T945] Call Trace:
[   57.832636][  T945]  <TASK>
[   57.832638][  T945]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.832644][  T945]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.832646][  T945]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.832651][  T945]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.832655][  T945]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   57.832660][  T945]  __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))
[   57.832662][  T945]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.832668][  T945]  ? 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)
[   57.832671][  T945]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.832674][  T945]  put_chars (drivers/char/virtio_console.c:1176)
[   57.832676][  T945]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.832683][  T945]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.832689][  T945]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.832692][  T945]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.832696][  T945]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.832700][  T945]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.832701][  T945]  ? 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))
[   57.832705][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.832709][  T945]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.832713][  T945]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.832717][  T945]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.832719][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.832724][  T945]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.832727][  T945]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.832728][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.832731][  T945]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.832734][  T945]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.832736][  T945]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.832739][  T945]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.832744][  T945]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.832747][  T945]  ? __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)
[   57.832750][  T945]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   57.832751][  T945]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.832754][  T945]  _printk (kernel/printk/printk.c:2504)
[   57.832758][  T945]  ? snapshot_read.cold (user.c:?)
[   57.832761][  T945]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   57.832776][  T945]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   57.832780][  T945] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   57.832795][  T945] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   57.832804][  T945] new_nbp (net/bridge/br_if.c:449) bridge
[   57.832813][  T945] br_add_if (net/bridge/br_if.c:592) bridge
[   57.832820][  T945]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   57.832826][  T945]  do_set_master (net/core/rtnetlink.c:3071)
[   57.832831][  T945]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   57.832835][  T945]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   57.832836][  T945]  ? __dev_get_by_name (net/core/dev.c:905)
[   57.832839][  T945]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   57.832848][  T945]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   57.832855][  T945]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.832860][  T945]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.832862][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.832869][  T945]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.832873][  T945]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.832875][  T945]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.832878][  T945]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.832879][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.832884][  T945]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.832886][  T945]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.832890][  T945]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.832893][  T945]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.832896][  T945]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.832902][  T945]  ? 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))
[   57.832903][  T945]  ? 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))
[   57.832908][  T945]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.832912][  T945]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.832915][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.832919][  T945]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.832923][  T945]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.832927][  T945]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.832935][  T945]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   57.832939][  T945]  ? copy_msghdr_from_user (net/socket.c:2650)
[   57.832942][  T945]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   57.832943][  T945]  ? move_addr_to_kernel (net/socket.c:258)
[   57.832947][  T945]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   57.832950][  T945]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   57.832955][  T945]  ___sys_sendmsg (net/socket.c:2767)
[   57.832958][  T945]  ? copy_msghdr_from_user (net/socket.c:2619)
[   57.832974][  T945]  __sys_sendmsg (net/socket.c:2799)
[   57.832977][  T945]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   57.832983][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.832985][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.832989][  T945]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.832991][  T945]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.832994][  T945]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.832997][  T945] RIP: 0033:0x7f51d227054e
[   57.833000][  T945] 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
[   57.833003][  T945] RSP: 002b:00007ffdd993cfc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.833006][  T945] RAX: ffffffffffffffda RBX: 00007ffdd993d778 RCX: 00007f51d227054e
[   57.833007][  T945] RDX: 0000000000000000 RSI: 00007ffdd993d070 RDI: 0000000000000005
[   57.833008][  T945] RBP: 00007ffdd993cfd0 R08: 0000000000000000 R09: 0000000000000000
[   57.833009][  T945] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185d0
[   57.833010][  T945] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd993d730
| [   58.834786][  T984] softirqs last disabled at (21836): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   58.834789][  T984] Preemption disabled at:
| [   58.834789][  T984] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.834799][  T984] Tainted: [W]=WARN
[   58.834800][  T984] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.834801][  T984] Call Trace:
[   58.834803][  T984]  <TASK>
[   58.834805][  T984]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.834811][  T984]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.834813][  T984]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.834819][  T984]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.834823][  T984]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.834829][  T984]  __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))
[   58.834831][  T984]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.834837][  T984]  ? 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)
[   58.834840][  T984]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.834843][  T984]  put_chars (drivers/char/virtio_console.c:1176)
[   58.834846][  T984]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.834853][  T984]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.834860][  T984]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.834863][  T984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.834867][  T984]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.834871][  T984]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.834873][  T984]  ? 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))
[   58.834877][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.834881][  T984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.834885][  T984]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.834890][  T984]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.834892][  T984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.834897][  T984]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.834900][  T984]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.834903][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.834905][  T984]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.834911][  T984]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.834913][  T984]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.834917][  T984]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.834921][  T984]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.834924][  T984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.834926][  T984]  ? __ww_mutex_add_waiter (kernel/locking/ww_mutex.h:582 (discriminator 1))
[   58.834932][  T984]  _printk (kernel/printk/printk.c:2504)
[   58.834936][  T984]  ? snapshot_read.cold (user.c:?)
[   58.834939][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.834942][  T984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.834943][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.834945][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.834947][  T984]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   58.834951][  T984]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   58.834955][  T984]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   58.834957][  T984]  ? netdev_notice (net/core/dev.c:13194)
[   58.834960][  T984]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   58.834964][  T984]  ? dev_disable_lro (./include/linux/netdevice.h:2861 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:266)
[   58.834968][  T984]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.834973][  T984]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   58.834976][  T984]  ? br_add_if (net/bridge/br_if.c:629) bridge
[   58.834991][  T984]  netif_set_promiscuity (net/core/dev.c:9699)
[   58.834995][  T984]  dev_set_promiscuity (net/core/dev_api.c:288)
[   58.834998][  T984] br_port_set_promisc (net/bridge/br_if.c:109) bridge
[   58.835007][  T984] br_manage_promisc (net/bridge/br_if.c:175) bridge
[   58.835017][  T984] br_add_if (net/bridge/br_if.c:243 net/bridge/br_if.c:633) bridge
[   58.835029][  T984]  do_set_master (net/core/rtnetlink.c:3071)
[   58.835034][  T984]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   58.835038][  T984]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   58.835040][  T984]  ? __dev_get_by_name (net/core/dev.c:905)
[   58.835042][  T984]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   58.835052][  T984]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   58.835059][  T984]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.835065][  T984]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.835067][  T984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.835074][  T984]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.835078][  T984]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.835080][  T984]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.835083][  T984]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.835084][  T984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.835089][  T984]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.835091][  T984]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.835095][  T984]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.835098][  T984]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.835101][  T984]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.835107][  T984]  ? 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))
[   58.835109][  T984]  ? 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))
[   58.835113][  T984]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.835117][  T984]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.835125][  T984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.835130][  T984]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.835134][  T984]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.835141][  T984]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.835149][  T984]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   58.835154][  T984]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.835158][  T984]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   58.835160][  T984]  ? move_addr_to_kernel (net/socket.c:258)
[   58.835164][  T984]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   58.835166][  T984]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   58.835171][  T984]  ___sys_sendmsg (net/socket.c:2767)
[   58.835174][  T984]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.835191][  T984]  __sys_sendmsg (net/socket.c:2799)
[   58.835194][  T984]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.835200][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.835202][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.835206][  T984]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.835208][  T984]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.835211][  T984]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.835213][  T984] RIP: 0033:0x7f6795c2a54e
[   58.835217][  T984] 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
[   58.835219][  T984] RSP: 002b:00007ffeb0cf1f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.835222][  T984] RAX: ffffffffffffffda RBX: 00007ffeb0cf2738 RCX: 00007f6795c2a54e
[   58.835224][  T984] RDX: 0000000000000000 RSI: 00007ffeb0cf2030 RDI: 0000000000000005
[   58.835224][  T984] RBP: 00007ffeb0cf1f90 R08: 0000000000000000 R09: 0000000000000000
[   58.835225][  T984] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185d1
[   58.835226][  T984] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb0cf26f0
| [   66.243042][ T1163] softirqs last disabled at (17026): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   66.243044][ T1163] Preemption disabled at:
| [   66.243045][ T1163] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.243057][ T1163] Tainted: [W]=WARN
[   66.243058][ T1163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.243061][ T1163] Call Trace:
[   66.243063][ T1163]  <TASK>
[   66.243065][ T1163]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.243071][ T1163]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.243073][ T1163]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.243078][ T1163]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.243082][ T1163]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   66.243087][ T1163]  __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))
[   66.243090][ T1163]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.243096][ T1163]  ? 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)
[   66.243099][ T1163]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.243102][ T1163]  put_chars (drivers/char/virtio_console.c:1176)
[   66.243105][ T1163]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.243106][ T1163]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   66.243110][ T1163]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   66.243114][ T1163]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.243116][ T1163]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.243118][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.243120][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.243124][ T1163]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.243125][ T1163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.243130][ T1163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.243134][ T1163]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.243138][ T1163]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.243139][ T1163]  ? 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))
[   66.243143][ T1163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.243152][ T1163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.243156][ T1163]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.243161][ T1163]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.243163][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.243168][ T1163]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.243171][ T1163]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.243173][ T1163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.243175][ T1163]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   66.243179][ T1163]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.243180][ T1163]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.243184][ T1163]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.243188][ T1163]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.243194][ T1163]  _printk (kernel/printk/printk.c:2504)
[   66.243198][ T1163]  ? snapshot_read.cold (user.c:?)
[   66.243199][ T1163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.243202][ T1163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.243204][ T1163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.243206][ T1163]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   66.243210][ T1163]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   66.243213][ T1163]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   66.243217][ T1163]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   66.243219][ T1163]  ? netdev_notice (net/core/dev.c:13194)
[   66.243221][ T1163]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   66.243231][ T1163]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   66.243235][ T1163]  dev_set_allmulti (net/core/dev_api.c:315)
[   66.243238][ T1163] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   66.243256][ T1163]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   66.243261][ T1163] br_dev_delete (net/bridge/br_if.c:387) bridge
[   66.243270][ T1163]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   66.243273][ T1163]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.243275][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.243277][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.243279][ T1163]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.243302][ T1163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.243304][ T1163]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.243307][ T1163]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.243309][ T1163]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.243311][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.243315][ T1163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.243317][ T1163]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.243319][ T1163]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.243322][ T1163]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.243326][ T1163]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.243328][ T1163]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.243332][ T1163]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.243333][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.243338][ T1163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.243340][ T1163]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.243343][ T1163]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.243346][ T1163]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.243349][ T1163]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.243355][ T1163]  ? 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))
[   66.243357][ T1163]  ? 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))
[   66.243363][ T1163]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.243368][ T1163]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.243370][ T1163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.243375][ T1163]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.243378][ T1163]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.243382][ T1163]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   66.243388][ T1163]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   66.243391][ T1163]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.243394][ T1163]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   66.243395][ T1163]  ? move_addr_to_kernel (net/socket.c:258)
[   66.243403][ T1163]  ___sys_sendmsg (net/socket.c:2767)
[   66.243406][ T1163]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.243422][ T1163]  __sys_sendmsg (net/socket.c:2799)
[   66.243425][ T1163]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.243431][ T1163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.243435][ T1163]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.243438][ T1163]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.243441][ T1163]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.243443][ T1163] RIP: 0033:0x7f252d97054e
[   66.243446][ T1163] 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
[   66.243448][ T1163] RSP: 002b:00007ffe3b3f7960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.243451][ T1163] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f252d97054e
[   66.243453][ T1163] RDX: 0000000000000000 RSI: 00007ffe3b3f7a10 RDI: 0000000000000005
[   66.243454][ T1163] RBP: 00007ffe3b3f7970 R08: 0000000000000000 R09: 0000000000000000
[   66.243455][ T1163] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185d8
[   66.243455][ T1163] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3b3f80d0
| [   68.757435][ T1200] softirqs last disabled at (13301): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   68.757438][ T1200] Preemption disabled at:
| [   68.757438][ T1200] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.757448][ T1200] Tainted: [W]=WARN
[   68.757449][ T1200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.757451][ T1200] Call Trace:
[   68.757452][ T1200]  <TASK>
[   68.757454][ T1200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.757459][ T1200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.757462][ T1200]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.757466][ T1200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.757470][ T1200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   68.757476][ T1200]  __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))
[   68.757478][ T1200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.757484][ T1200]  ? 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)
[   68.757486][ T1200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.757489][ T1200]  put_chars (drivers/char/virtio_console.c:1176)
[   68.757492][ T1200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.757495][ T1200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.757500][ T1200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.757502][ T1200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.757506][ T1200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.757509][ T1200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   68.757511][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.757512][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.757516][ T1200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.757518][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.757522][ T1200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.757526][ T1200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.757530][ T1200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.757532][ T1200]  ? 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))
[   68.757535][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.757538][ T1200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.757542][ T1200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.757546][ T1200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.757548][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.757554][ T1200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.757557][ T1200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.757558][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.757561][ T1200]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   68.757565][ T1200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.757567][ T1200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.757570][ T1200]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.757574][ T1200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.757580][ T1200]  _printk (kernel/printk/printk.c:2504)
[   68.757584][ T1200]  ? snapshot_read.cold (user.c:?)
[   68.757586][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.757588][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.757590][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.757593][ T1200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   68.757596][ T1200]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   68.757599][ T1200]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   68.757603][ T1200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   68.757605][ T1200]  ? netdev_notice (net/core/dev.c:13194)
[   68.757607][ T1200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   68.757617][ T1200]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   68.757622][ T1200]  dev_set_allmulti (net/core/dev_api.c:315)
[   68.757625][ T1200] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   68.757638][ T1200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.757643][ T1200] br_dev_delete (net/bridge/br_if.c:387) bridge
[   68.757652][ T1200]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   68.757655][ T1200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   68.757657][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.757658][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.757660][ T1200]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   68.757683][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.757685][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.757688][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.757690][ T1200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   68.757692][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.757697][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.757699][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.757701][ T1200]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   68.757703][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.757707][ T1200]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   68.757710][ T1200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.757714][ T1200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.757715][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.757719][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.757721][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.757725][ T1200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.757728][ T1200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.757731][ T1200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.757737][ T1200]  ? 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))
[   68.757739][ T1200]  ? 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))
[   68.757743][ T1200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.757747][ T1200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.757750][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.757754][ T1200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.757758][ T1200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.757762][ T1200]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   68.757768][ T1200]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   68.757771][ T1200]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.757773][ T1200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   68.757775][ T1200]  ? move_addr_to_kernel (net/socket.c:258)
[   68.757783][ T1200]  ___sys_sendmsg (net/socket.c:2767)
[   68.757786][ T1200]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.757802][ T1200]  __sys_sendmsg (net/socket.c:2799)
[   68.757805][ T1200]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.757812][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.757816][ T1200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.757818][ T1200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.757821][ T1200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.757823][ T1200] RIP: 0033:0x7f5754c3254e
[   68.757827][ T1200] 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
[   68.757829][ T1200] RSP: 002b:00007ffc09401bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.757832][ T1200] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5754c3254e
[   68.757833][ T1200] RDX: 0000000000000000 RSI: 00007ffc09401c60 RDI: 0000000000000005
[   68.757834][ T1200] RBP: 00007ffc09401bc0 R08: 0000000000000000 R09: 0000000000000000
[   68.757835][ T1200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185db
[   68.757836][ T1200] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc09402320
| [   71.025457][    C3] softirqs last disabled at (3225469): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   71.025459][    C3] Preemption disabled at:
| [   71.025460][    C3] 0x0
| [   71.025470][    C3] Tainted: [W]=WARN
[   71.025470][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.025472][    C3] Call Trace:
[   71.025474][    C3]  <IRQ>
[   71.025475][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.025481][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   71.025484][    C3]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.025487][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   71.025490][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   71.025493][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.025496][    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))
[   71.025499][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.025502][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.025505][    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)
[   71.025507][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.025509][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   71.025511][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   71.025512][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   71.025515][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   71.025519][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   71.025520][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.025522][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.025524][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   71.025526][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   71.025528][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.025530][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.025531][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.025533][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   71.025535][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   71.025537][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   71.025540][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   71.025542][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.025543][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   71.025545][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.025546][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.025548][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   71.025550][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   71.025551][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   71.025553][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   71.025556][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   71.025557][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.025569][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.025571][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.025577][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.025583][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   71.025587][    C3]  _printk (kernel/printk/printk.c:2504)
[   71.025590][    C3]  ? snapshot_read.cold (user.c:?)
[   71.025591][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   71.025595][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.025598][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   71.025599][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   71.025602][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   71.025605][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   71.025606][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   71.025608][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   71.025610][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.025612][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.025618][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.025620][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.025622][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.025628][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   71.025629][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.025635][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.025642][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.025648][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   71.025650][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   71.025652][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   71.025656][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.025657][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.025659][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.025661][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   71.025663][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.025670][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   71.025672][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.025674][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.025676][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   71.025678][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   71.025680][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.025682][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.025684][    C3]  handle_softirqs (kernel/softirq.c:645)
[   71.025686][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.025687][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   71.025689][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   71.025691][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   71.025692][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   71.025695][    C3]  </IRQ>
[   71.025696][    C3]  <TASK>
[   71.025696][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   71.025698][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   71.025700][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   71.025703][    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
[   71.025704][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   71.025708][    C3] RAX: 000000000031377b RBX: ff11000001c88040 RCX: ffffffffb9ef0307
[   71.025709][    C3] RDX: ff11000001c88040 RSI: ffffffffbcc38af6 RDI: ffffffffbc68d8e0
[   71.025710][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   71.025711][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   71.025711][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   71.025713][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   71.025716][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   71.025718][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   71.025720][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   71.025721][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   71.025723][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   71.025725][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.025727][    C3]  do_idle (kernel/sched/idle.c:355)
[   71.025728][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   71.025730][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   71.025732][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   71.025734][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   71.082215][    C3]
| [   71.082325][    C3]
| [   71.082325][    C3] stack backtrace:
| [   71.082499][    C3] Tainted: [W]=WARN
[   71.082500][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.082502][    C3] Call Trace:
[   71.082503][    C3]  <IRQ>
[   71.082504][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.082509][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   71.082512][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   71.082515][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   71.082517][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   71.082518][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   71.082520][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.082522][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.082528][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.082531][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.082533][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.082539][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   71.082541][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.082547][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   71.082553][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.082559][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   71.082561][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   71.082563][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   71.082567][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.082568][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.082570][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.082572][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   71.082574][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   71.082581][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   71.082582][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.082585][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.082587][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   71.082589][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   71.082591][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.082593][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.082595][    C3]  handle_softirqs (kernel/softirq.c:645)
[   71.082596][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.082598][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   71.082600][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   71.082601][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   71.082603][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   71.082604][    C3]  </IRQ>
[   71.082605][    C3]  <TASK>
[   71.082605][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   71.082607][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   71.082609][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   71.082611][    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
[   71.082612][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   71.082615][    C3] RAX: 000000000031377b RBX: ff11000001c88040 RCX: ffffffffb9ef0307
[   71.082616][    C3] RDX: ff11000001c88040 RSI: ffffffffbcc38af6 RDI: ffffffffbc68d8e0
[   71.082617][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   71.082617][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   71.082618][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   71.082619][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   71.082621][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   71.082623][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   71.082625][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   71.082626][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   71.082628][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   71.082630][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.082632][    C3]  do_idle (kernel/sched/idle.c:355)
[   71.082633][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   71.082634][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   71.082636][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   71.082638][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   72.036492][ T1283] softirqs last disabled at (0): 0x0
| [   72.036494][ T1283] Preemption disabled at:
| [   72.036495][ T1283] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.036507][ T1283] Tainted: [W]=WARN
[   72.036508][ T1283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.036509][ T1283] Call Trace:
[   72.036511][ T1283]  <TASK>
[   72.036513][ T1283]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.036519][ T1283]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.036521][ T1283]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.036526][ T1283]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.036530][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036534][ T1283]  __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))
[   72.036538][ T1283]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.036541][ T1283]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.036545][ T1283]  ? 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)
[   72.036547][ T1283]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.036549][ T1283]  put_chars (drivers/char/virtio_console.c:1176)
[   72.036551][ T1283]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.036553][ T1283]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   72.036555][ T1283]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   72.036558][ T1283]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.036562][ T1283]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.036564][ T1283]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.036566][ T1283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.036568][ T1283]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.036571][ T1283]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.036573][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036575][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036577][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036579][ T1283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.036582][ T1283]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   72.036584][ T1283]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.036587][ T1283]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.036590][ T1283]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.036592][ T1283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.036594][ T1283]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.036596][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036598][ T1283]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.036600][ T1283]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   72.036602][ T1283]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   72.036604][ T1283]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.036607][ T1283]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.036609][ T1283]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.036612][ T1283]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.036615][ T1283]  ? __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)
[   72.036619][ T1283]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.036620][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036623][ T1283]  _printk (kernel/printk/printk.c:2504)
[   72.036626][ T1283]  ? snapshot_read.cold (user.c:?)
[   72.036629][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036631][ T1283]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.036633][ T1283]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   72.036635][ T1283] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   72.036651][ T1283] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   72.036662][ T1283] new_nbp (net/bridge/br_if.c:449) bridge
[   72.036676][ T1283] br_add_if (net/bridge/br_if.c:592) bridge
[   72.036685][ T1283]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   72.036688][ T1283]  do_set_master (net/core/rtnetlink.c:3071)
[   72.036693][ T1283]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   72.036695][ T1283]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   72.036696][ T1283]  ? __dev_get_by_name (net/core/dev.c:905)
[   72.036699][ T1283]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   72.036704][ T1283]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   72.036707][ T1283]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.036709][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036711][ T1283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.036713][ T1283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.036714][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036717][ T1283]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   72.036720][ T1283]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   72.036723][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036724][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036726][ T1283]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   72.036730][ T1283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.036732][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036734][ T1283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.036735][ T1283]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.036737][ T1283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.036738][ T1283]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   72.036741][ T1283]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   72.036746][ T1283]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.036748][ T1283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.036750][ T1283]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.036752][ T1283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.036753][ T1283]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   72.036756][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036758][ T1283]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.036760][ T1283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.036763][ T1283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.036764][ T1283]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   72.036768][ T1283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.036769][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036772][ T1283]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.036774][ T1283]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.036776][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036778][ T1283]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.036780][ T1283]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.036783][ T1283]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.036785][ T1283]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   72.036787][ T1283]  ? move_addr_to_kernel (net/socket.c:258)
[   72.036790][ T1283]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   72.036793][ T1283]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   72.036796][ T1283]  ___sys_sendmsg (net/socket.c:2767)
[   72.036799][ T1283]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.036804][ T1283]  __sys_sendmsg (net/socket.c:2799)
[   72.036807][ T1283]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.036810][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036812][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.036814][ T1283]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.036817][ T1283]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.036820][ T1283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.036822][ T1283] RIP: 0033:0x7ff658cb354e
[   72.036824][ T1283] 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
[   72.036826][ T1283] RSP: 002b:00007ffd1a5b8fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.036831][ T1283] RAX: ffffffffffffffda RBX: 00007ffd1a5b9758 RCX: 00007ff658cb354e
[   72.036832][ T1283] RDX: 0000000000000000 RSI: 00007ffd1a5b9050 RDI: 0000000000000005
[   72.036833][ T1283] RBP: 00007ffd1a5b8fb0 R08: 0000000000000000 R09: 0000000000000000
[   72.036834][ T1283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185de
[   72.036835][ T1283] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1a5b9710
| [   73.052931][ T1350] softirqs last disabled at (0): 0x0
| [   73.052933][ T1350] Preemption disabled at:
| [   73.052934][ T1350] vprintk_emit (kernel/printk/printk.c:2471)
| [   73.052945][ T1350] Tainted: [W]=WARN
[   73.052946][ T1350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.052947][ T1350] Call Trace:
[   73.052948][ T1350]  <TASK>
[   73.052950][ T1350]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.052955][ T1350]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   73.052956][ T1350]  __might_resched.cold (kernel/sched/core.c:9234)
[   73.052960][ T1350]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   73.052963][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.052967][ T1350]  __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))
[   73.052971][ T1350]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   73.052973][ T1350]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.052977][ T1350]  ? 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)
[   73.052979][ T1350]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.052981][ T1350]  put_chars (drivers/char/virtio_console.c:1176)
[   73.052983][ T1350]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   73.052984][ T1350]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   73.052986][ T1350]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   73.052989][ T1350]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   73.052992][ T1350]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   73.052993][ T1350]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   73.052995][ T1350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.052997][ T1350]  console_emit_next_record (kernel/printk/printk.c:3183)
[   73.053000][ T1350]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   73.053002][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053003][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053005][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053007][ T1350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.053008][ T1350]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   73.053010][ T1350]  console_flush_one_record (kernel/printk/printk.c:3268)
[   73.053013][ T1350]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   73.053015][ T1350]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   73.053017][ T1350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.053019][ T1350]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   73.053020][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053022][ T1350]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.053023][ T1350]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   73.053025][ T1350]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   73.053027][ T1350]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   73.053029][ T1350]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   73.053031][ T1350]  vprintk_emit (kernel/printk/printk.c:2479)
[   73.053033][ T1350]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   73.053035][ T1350]  ? __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)
[   73.053039][ T1350]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   73.053040][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053042][ T1350]  _printk (kernel/printk/printk.c:2504)
[   73.053045][ T1350]  ? snapshot_read.cold (user.c:?)
[   73.053047][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053049][ T1350]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.053050][ T1350]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   73.053052][ T1350] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   73.053066][ T1350] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   73.053074][ T1350] new_nbp (net/bridge/br_if.c:449) bridge
[   73.053083][ T1350] br_add_if (net/bridge/br_if.c:592) bridge
[   73.053091][ T1350]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   73.053093][ T1350]  do_set_master (net/core/rtnetlink.c:3071)
[   73.053098][ T1350]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   73.053100][ T1350]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   73.053101][ T1350]  ? __dev_get_by_name (net/core/dev.c:905)
[   73.053103][ T1350]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   73.053107][ T1350]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   73.053110][ T1350]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   73.053112][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053114][ T1350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.053115][ T1350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.053116][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053118][ T1350]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   73.053122][ T1350]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   73.053124][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053126][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053127][ T1350]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   73.053131][ T1350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.053132][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053134][ T1350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.053135][ T1350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.053137][ T1350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.053138][ T1350]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   73.053141][ T1350]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   73.053145][ T1350]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   73.053147][ T1350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.053149][ T1350]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.053150][ T1350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.053151][ T1350]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   73.053154][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053156][ T1350]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.053158][ T1350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.053160][ T1350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.053161][ T1350]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1436)
[   73.053165][ T1350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.053166][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053168][ T1350]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   73.053170][ T1350]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   73.053181][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053183][ T1350]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.053185][ T1350]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   73.053188][ T1350]  ? copy_msghdr_from_user (net/socket.c:2650)
[   73.053190][ T1350]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   73.053191][ T1350]  ? move_addr_to_kernel (net/socket.c:258)
[   73.053193][ T1350]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   73.053196][ T1350]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   73.053199][ T1350]  ___sys_sendmsg (net/socket.c:2767)
[   73.053201][ T1350]  ? copy_msghdr_from_user (net/socket.c:2619)
[   73.053206][ T1350]  __sys_sendmsg (net/socket.c:2799)
[   73.053208][ T1350]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   73.053210][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053212][ T1350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.053214][ T1350]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   73.053217][ T1350]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   73.053219][ T1350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.053220][ T1350] RIP: 0033:0x7f05de0a954e
[   73.053222][ T1350] 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
[   73.053224][ T1350] RSP: 002b:00007ffeff9fb100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.053228][ T1350] RAX: ffffffffffffffda RBX: 00007ffeff9fb8b8 RCX: 00007f05de0a954e
[   73.053230][ T1350] RDX: 0000000000000000 RSI: 00007ffeff9fb1b0 RDI: 0000000000000005
[   73.053231][ T1350] RBP: 00007ffeff9fb110 R08: 0000000000000000 R09: 0000000000000000
[   73.053232][ T1350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185df
[   73.053232][ T1350] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeff9fb870
| [  117.520331][T17900] softirqs last disabled at (0): 0x0
| [  117.520333][T17900] Preemption disabled at:
| [  117.520334][T17900] vprintk_emit (kernel/printk/printk.c:2471)
| [  117.520349][T17900] Tainted: [W]=WARN
[  117.520350][T17900] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.520351][T17900] Call Trace:
[  117.520353][T17900]  <TASK>
[  117.520354][T17900]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  117.520359][T17900]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  117.520364][T17900]  __might_resched.cold (kernel/sched/core.c:9234)
[  117.520368][T17900]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  117.520371][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520375][T17900]  __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))
[  117.520378][T17900]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  117.520380][T17900]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.520384][T17900]  ? 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)
[  117.520386][T17900]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.520388][T17900]  put_chars (drivers/char/virtio_console.c:1176)
[  117.520389][T17900]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  117.520391][T17900]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  117.520394][T17900]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  117.520397][T17900]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  117.520398][T17900]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  117.520400][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520401][T17900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.520403][T17900]  console_emit_next_record (kernel/printk/printk.c:3183)
[  117.520406][T17900]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  117.520408][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520409][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520411][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520413][T17900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.520414][T17900]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  117.520416][T17900]  console_flush_one_record (kernel/printk/printk.c:3268)
[  117.520418][T17900]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  117.520421][T17900]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  117.520422][T17900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.520424][T17900]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  117.520425][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520427][T17900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.520428][T17900]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  117.520429][T17900]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  117.520431][T17900]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  117.520433][T17900]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  117.520435][T17900]  vprintk_emit (kernel/printk/printk.c:2479)
[  117.520437][T17900]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  117.520439][T17900]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  117.520442][T17900]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  117.520445][T17900]  ? ___sys_sendmsg (net/socket.c:2767)
[  117.520447][T17900]  ? __sys_sendmsg (net/socket.c:2799)
[  117.520448][T17900]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  117.520451][T17900]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.520454][T17900]  _printk (kernel/printk/printk.c:2504)
[  117.520457][T17900]  ? snapshot_read.cold (user.c:?)
[  117.520458][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520460][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520462][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520463][T17900]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  117.520466][T17900]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  117.520469][T17900]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  117.520471][T17900]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  117.520472][T17900]  ? netdev_notice (net/core/dev.c:13194)
[  117.520474][T17900]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  117.520477][T17900]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  117.520478][T17900]  ? trace_contention_end (./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/lock.h:121)
[  117.520480][T17900]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  117.520483][T17900]  dev_set_allmulti (net/core/dev_api.c:315)
[  117.520485][T17900] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  117.520497][T17900]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  117.520500][T17900] br_dev_delete (net/bridge/br_if.c:387) bridge
[  117.520507][T17900]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  117.520510][T17900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.520512][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520514][T17900]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  117.520516][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520522][T17900]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  117.520524][T17900]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.520525][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520527][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520529][T17900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.520530][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520532][T17900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.520533][T17900]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  117.520536][T17900]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  117.520538][T17900]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  117.520540][T17900]  ? __kernel_text_address (kernel/extable.c:79)
[  117.520542][T17900]  ? write_profile (profile.c:?)
[  117.520544][T17900]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  117.520545][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520547][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520548][T17900]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  117.520552][T17900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.520553][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520555][T17900]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  117.520557][T17900]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  117.520559][T17900]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  117.520560][T17900]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  117.520561][T17900]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  117.520565][T17900]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  117.520566][T17900]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  117.520568][T17900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.520569][T17900]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  117.520570][T17900]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  117.520573][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520574][T17900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.520577][T17900]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  117.520578][T17900]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  117.520580][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520581][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520583][T17900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.520585][T17900]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  117.520587][T17900]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  117.520589][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520590][T17900]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.520592][T17900]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  117.520593][T17900]  ? copy_msghdr_from_user (net/socket.c:2650)
[  117.520595][T17900]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  117.520597][T17900]  ? move_addr_to_kernel (net/socket.c:258)
[  117.520598][T17900]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  117.520600][T17900]  ___sys_sendmsg (net/socket.c:2767)
[  117.520602][T17900]  ? copy_msghdr_from_user (net/socket.c:2619)
[  117.520607][T17900]  __sys_sendmsg (net/socket.c:2799)
[  117.520609][T17900]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  117.520611][T17900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.520613][T17900]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  117.520615][T17900]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  117.520617][T17900]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.520618][T17900] RIP: 0033:0x7fc4cf8e754e
[  117.520620][T17900] 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
[  117.520621][T17900] RSP: 002b:00007ffc95f4c700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  117.520625][T17900] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc4cf8e754e
[  117.520626][T17900] RDX: 0000000000000000 RSI: 00007ffc95f4c7b0 RDI: 0000000000000005
[  117.520627][T17900] RBP: 00007ffc95f4c710 R08: 0000000000000000 R09: 0000000000000000
[  117.520628][T17900] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91860b
[  117.520629][T17900] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc95f4ce70
| [  119.234995][T17936] softirqs last disabled at (0): 0x0
| [  119.234997][T17936] Preemption disabled at:
| [  119.234997][T17936] vprintk_emit (kernel/printk/printk.c:2471)
| [  119.235008][T17936] Tainted: [W]=WARN
[  119.235009][T17936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  119.235011][T17936] Call Trace:
[  119.235013][T17936]  <TASK>
[  119.235014][T17936]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  119.235020][T17936]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  119.235022][T17936]  __might_resched.cold (kernel/sched/core.c:9234)
[  119.235025][T17936]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  119.235028][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235032][T17936]  __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))
[  119.235036][T17936]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  119.235038][T17936]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  119.235042][T17936]  ? 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)
[  119.235044][T17936]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  119.235045][T17936]  put_chars (drivers/char/virtio_console.c:1176)
[  119.235048][T17936]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  119.235049][T17936]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  119.235052][T17936]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  119.235055][T17936]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  119.235057][T17936]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  119.235058][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235060][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.235062][T17936]  console_emit_next_record (kernel/printk/printk.c:3183)
[  119.235065][T17936]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  119.235066][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235068][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235070][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235071][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.235073][T17936]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  119.235075][T17936]  console_flush_one_record (kernel/printk/printk.c:3268)
[  119.235077][T17936]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  119.235080][T17936]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  119.235081][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.235083][T17936]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  119.235084][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235086][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.235088][T17936]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  119.235089][T17936]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  119.235091][T17936]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  119.235093][T17936]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  119.235095][T17936]  vprintk_emit (kernel/printk/printk.c:2479)
[  119.235097][T17936]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  119.235099][T17936]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  119.235102][T17936]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  119.235105][T17936]  ? ___sys_sendmsg (net/socket.c:2767)
[  119.235106][T17936]  ? __sys_sendmsg (net/socket.c:2799)
[  119.235108][T17936]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  119.235111][T17936]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.235113][T17936]  _printk (kernel/printk/printk.c:2504)
[  119.235117][T17936]  ? snapshot_read.cold (user.c:?)
[  119.235119][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235121][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235122][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235124][T17936]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  119.235127][T17936]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  119.235130][T17936]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  119.235131][T17936]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  119.235133][T17936]  ? netdev_notice (net/core/dev.c:13194)
[  119.235134][T17936]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  119.235137][T17936]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  119.235139][T17936]  ? trace_contention_end (./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/lock.h:121)
[  119.235141][T17936]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  119.235143][T17936]  dev_set_allmulti (net/core/dev_api.c:315)
[  119.235146][T17936] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  119.235158][T17936]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  119.235161][T17936] br_dev_delete (net/bridge/br_if.c:387) bridge
[  119.235168][T17936]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  119.235171][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.235173][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235175][T17936]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  119.235177][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235183][T17936]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  119.235185][T17936]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.235187][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235188][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235190][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.235191][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235193][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.235195][T17936]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  119.235198][T17936]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  119.235200][T17936]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  119.235202][T17936]  ? __kernel_text_address (kernel/extable.c:79)
[  119.235203][T17936]  ? write_profile (profile.c:?)
[  119.235205][T17936]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  119.235207][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235208][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235210][T17936]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  119.235214][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.235215][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235217][T17936]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  119.235219][T17936]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  119.235221][T17936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  119.235222][T17936]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  119.235223][T17936]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  119.235229][T17936]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  119.235231][T17936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  119.235232][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.235234][T17936]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  119.235235][T17936]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  119.235237][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235239][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.235241][T17936]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  119.235243][T17936]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  119.235244][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235246][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235248][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.235250][T17936]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  119.235252][T17936]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  119.235253][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235255][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.235257][T17936]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  119.235259][T17936]  ? copy_msghdr_from_user (net/socket.c:2650)
[  119.235260][T17936]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  119.235262][T17936]  ? move_addr_to_kernel (net/socket.c:258)
[  119.235263][T17936]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  119.235266][T17936]  ___sys_sendmsg (net/socket.c:2767)
[  119.235268][T17936]  ? copy_msghdr_from_user (net/socket.c:2619)
[  119.235272][T17936]  __sys_sendmsg (net/socket.c:2799)
[  119.235274][T17936]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  119.235277][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.235279][T17936]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  119.235280][T17936]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  119.235283][T17936]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.235284][T17936] RIP: 0033:0x7f13eb4ba54e
[  119.235286][T17936] 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
[  119.235288][T17936] RSP: 002b:00007ffe60891000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  119.235292][T17936] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f13eb4ba54e
[  119.235294][T17936] RDX: 0000000000000000 RSI: 00007ffe608910b0 RDI: 0000000000000005
[  119.235294][T17936] RBP: 00007ffe60891010 R08: 0000000000000000 R09: 0000000000000000
[  119.235295][T17936] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91860d
[  119.235296][T17936] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe60891770
| [  121.015132][T17974] softirqs last disabled at (0): 0x0
| [  121.015134][T17974] Preemption disabled at:
| [  121.015134][T17974] vprintk_emit (kernel/printk/printk.c:2471)
| [  121.015145][T17974] Tainted: [W]=WARN
[  121.015145][T17974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.015147][T17974] Call Trace:
[  121.015149][T17974]  <TASK>
[  121.015150][T17974]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  121.015156][T17974]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  121.015158][T17974]  __might_resched.cold (kernel/sched/core.c:9234)
[  121.015161][T17974]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  121.015164][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015168][T17974]  __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))
[  121.015172][T17974]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.015174][T17974]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.015178][T17974]  ? 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)
[  121.015180][T17974]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.015182][T17974]  put_chars (drivers/char/virtio_console.c:1176)
[  121.015184][T17974]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  121.015185][T17974]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  121.015187][T17974]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  121.015189][T17974]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  121.015193][T17974]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  121.015194][T17974]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.015196][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.015198][T17974]  console_emit_next_record (kernel/printk/printk.c:3183)
[  121.015200][T17974]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  121.015202][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015204][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015205][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015207][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.015209][T17974]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  121.015211][T17974]  console_flush_one_record (kernel/printk/printk.c:3268)
[  121.015213][T17974]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  121.015215][T17974]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  121.015217][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.015219][T17974]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  121.015220][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015222][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.015223][T17974]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  121.015225][T17974]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  121.015227][T17974]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  121.015228][T17974]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  121.015230][T17974]  vprintk_emit (kernel/printk/printk.c:2479)
[  121.015233][T17974]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  121.015235][T17974]  ? __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)
[  121.015238][T17974]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  121.015239][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015241][T17974]  _printk (kernel/printk/printk.c:2504)
[  121.015245][T17974]  ? snapshot_read.cold (user.c:?)
[  121.015246][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015248][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.015250][T17974]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  121.015252][T17974] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  121.015264][T17974] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  121.015271][T17974] new_nbp (net/bridge/br_if.c:449) bridge
[  121.015280][T17974] br_add_if (net/bridge/br_if.c:592) bridge
[  121.015287][T17974]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  121.015290][T17974]  do_set_master (net/core/rtnetlink.c:3071)
[  121.015294][T17974]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  121.015296][T17974]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  121.015297][T17974]  ? __dev_get_by_name (net/core/dev.c:905)
[  121.015299][T17974]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  121.015303][T17974]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  121.015305][T17974]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  121.015307][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015309][T17974]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  121.015310][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.015312][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015314][T17974]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  121.015317][T17974]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  121.015319][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015321][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015322][T17974]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  121.015326][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.015327][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015329][T17974]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  121.015330][T17974]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  121.015332][T17974]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  121.015334][T17974]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  121.015336][T17974]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  121.015340][T17974]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  121.015343][T17974]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  121.015344][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.015345][T17974]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  121.015347][T17974]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  121.015355][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015357][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.015359][T17974]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  121.015361][T17974]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  121.015365][T17974]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  121.015368][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015370][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015372][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015373][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015376][T17974]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  121.015378][T17974]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  121.015380][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015382][T17974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.015384][T17974]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  121.015387][T17974]  ? copy_msghdr_from_user (net/socket.c:2650)
[  121.015389][T17974]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  121.015390][T17974]  ? move_addr_to_kernel (net/socket.c:258)
[  121.015392][T17974]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  121.015395][T17974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.015397][T17974]  ___sys_sendmsg (net/socket.c:2767)
[  121.015399][T17974]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  121.015401][T17974]  ? copy_msghdr_from_user (net/socket.c:2619)
[  121.015403][T17974]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  121.015407][T17974]  __sys_sendmsg (net/socket.c:2799)
[  121.015410][T17974]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  121.015412][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015414][T17974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.015416][T17974]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  121.015418][T17974]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  121.015420][T17974]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.015422][T17974] RIP: 0033:0x7f9e37c6854e
[  121.015424][T17974] 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
[  121.015426][T17974] RSP: 002b:00007ffee4d28d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  121.015430][T17974] RAX: ffffffffffffffda RBX: 00007ffee4d294f8 RCX: 00007f9e37c6854e
[  121.015431][T17974] RDX: 0000000000000000 RSI: 00007ffee4d28df0 RDI: 0000000000000005
[  121.015432][T17974] RBP: 00007ffee4d28d50 R08: 0000000000000000 R09: 0000000000000000
[  121.015433][T17974] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91860f
[  121.015434][T17974] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee4d294b0
| [  122.073617][T18043] softirqs last disabled at (0): 0x0
| [  122.073619][T18043] Preemption disabled at:
| [  122.073619][T18043] vprintk_emit (kernel/printk/printk.c:2471)
| [  122.073630][T18043] Tainted: [W]=WARN
[  122.073631][T18043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.073633][T18043] Call Trace:
[  122.073635][T18043]  <TASK>
[  122.073636][T18043]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.073642][T18043]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  122.073644][T18043]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.073649][T18043]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.073652][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073656][T18043]  __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))
[  122.073660][T18043]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.073664][T18043]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.073668][T18043]  ? 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)
[  122.073670][T18043]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.073672][T18043]  put_chars (drivers/char/virtio_console.c:1176)
[  122.073674][T18043]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.073675][T18043]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  122.073678][T18043]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  122.073680][T18043]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.073684][T18043]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.073685][T18043]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.073687][T18043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.073689][T18043]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.073692][T18043]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.073694][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073696][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073697][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073699][T18043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.073701][T18043]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  122.073703][T18043]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.073705][T18043]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.073708][T18043]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.073710][T18043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.073712][T18043]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.073713][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073715][T18043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.073717][T18043]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  122.073718][T18043]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  122.073720][T18043]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.073722][T18043]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.073725][T18043]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.073727][T18043]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.073730][T18043]  ? __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)
[  122.073733][T18043]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  122.073734][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073736][T18043]  _printk (kernel/printk/printk.c:2504)
[  122.073739][T18043]  ? snapshot_read.cold (user.c:?)
[  122.073741][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073743][T18043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.073745][T18043]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  122.073747][T18043] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  122.073760][T18043] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  122.073769][T18043] new_nbp (net/bridge/br_if.c:449) bridge
[  122.073778][T18043] br_add_if (net/bridge/br_if.c:592) bridge
[  122.073786][T18043]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  122.073789][T18043]  do_set_master (net/core/rtnetlink.c:3071)
[  122.073793][T18043]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  122.073795][T18043]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  122.073796][T18043]  ? __dev_get_by_name (net/core/dev.c:905)
[  122.073799][T18043]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  122.073802][T18043]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  122.073805][T18043]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  122.073807][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073809][T18043]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.073810][T18043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.073812][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073814][T18043]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  122.073817][T18043]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  122.073819][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073821][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073823][T18043]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  122.073826][T18043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.073828][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073830][T18043]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.073831][T18043]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  122.073833][T18043]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.073834][T18043]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  122.073837][T18043]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  122.073840][T18043]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  122.073843][T18043]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.073845][T18043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.073846][T18043]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  122.073848][T18043]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  122.073850][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073852][T18043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.073854][T18043]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.073856][T18043]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  122.073857][T18043]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  122.073861][T18043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.073862][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073864][T18043]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  122.073866][T18043]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  122.073868][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073870][T18043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.073872][T18043]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  122.073875][T18043]  ? copy_msghdr_from_user (net/socket.c:2650)
[  122.073876][T18043]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  122.073878][T18043]  ? move_addr_to_kernel (net/socket.c:258)
[  122.073880][T18043]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  122.073883][T18043]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  122.073886][T18043]  ___sys_sendmsg (net/socket.c:2767)
[  122.073888][T18043]  ? copy_msghdr_from_user (net/socket.c:2619)
[  122.073893][T18043]  __sys_sendmsg (net/socket.c:2799)
[  122.073895][T18043]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  122.073898][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073900][T18043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.073902][T18043]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.073905][T18043]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  122.073907][T18043]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.073909][T18043] RIP: 0033:0x7fa963a2f54e
[  122.073911][T18043] 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
[  122.073913][T18043] RSP: 002b:00007fffb63d1ef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  122.073917][T18043] RAX: ffffffffffffffda RBX: 00007fffb63d26a8 RCX: 00007fa963a2f54e
[  122.073919][T18043] RDX: 0000000000000000 RSI: 00007fffb63d1fa0 RDI: 0000000000000005
[  122.073920][T18043] RBP: 00007fffb63d1f00 R08: 0000000000000000 R09: 0000000000000000
[  122.073921][T18043] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918610
[  122.073922][T18043] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb63d2660
| [  169.790368][ T2171] softirqs last disabled at (0): 0x0
| [  169.790370][ T2171] Preemption disabled at:
| [  169.790370][ T2171] vprintk_emit (kernel/printk/printk.c:2471)
| [  169.790382][ T2171] Tainted: [W]=WARN
[  169.790383][ T2171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  169.790386][ T2171] Call Trace:
[  169.790387][ T2171]  <TASK>
[  169.790389][ T2171]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  169.790394][ T2171]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  169.790396][ T2171]  __might_resched.cold (kernel/sched/core.c:9234)
[  169.790400][ T2171]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  169.790404][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790407][ T2171]  __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))
[  169.790411][ T2171]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  169.790413][ T2171]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  169.790417][ T2171]  ? 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)
[  169.790419][ T2171]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  169.790421][ T2171]  put_chars (drivers/char/virtio_console.c:1176)
[  169.790423][ T2171]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  169.790425][ T2171]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  169.790427][ T2171]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  169.790431][ T2171]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  169.790432][ T2171]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  169.790434][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790436][ T2171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.790438][ T2171]  console_emit_next_record (kernel/printk/printk.c:3183)
[  169.790440][ T2171]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  169.790442][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790444][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790445][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790447][ T2171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.790449][ T2171]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  169.790450][ T2171]  console_flush_one_record (kernel/printk/printk.c:3268)
[  169.790453][ T2171]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  169.790455][ T2171]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  169.790457][ T2171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.790459][ T2171]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  169.790460][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790462][ T2171]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.790463][ T2171]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  169.790465][ T2171]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  169.790467][ T2171]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  169.790469][ T2171]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  169.790471][ T2171]  vprintk_emit (kernel/printk/printk.c:2479)
[  169.790473][ T2171]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  169.790474][ T2171]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  169.790478][ T2171]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  169.790480][ T2171]  ? ___sys_sendmsg (net/socket.c:2767)
[  169.790482][ T2171]  ? __sys_sendmsg (net/socket.c:2799)
[  169.790484][ T2171]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  169.790486][ T2171]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  169.790489][ T2171]  _printk (kernel/printk/printk.c:2504)
[  169.790492][ T2171]  ? snapshot_read.cold (user.c:?)
[  169.790493][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790495][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790497][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790499][ T2171]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  169.790502][ T2171]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  169.790504][ T2171]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  169.790506][ T2171]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  169.790508][ T2171]  ? netdev_notice (net/core/dev.c:13194)
[  169.790509][ T2171]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  169.790512][ T2171]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  169.790514][ T2171]  ? trace_contention_end (./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/lock.h:121)
[  169.790516][ T2171]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  169.790519][ T2171]  dev_set_allmulti (net/core/dev_api.c:315)
[  169.790522][ T2171] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  169.790539][ T2171]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  169.790541][ T2171] br_dev_delete (net/bridge/br_if.c:387) bridge
[  169.790549][ T2171]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  169.790552][ T2171]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.790553][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790555][ T2171]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  169.790557][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790563][ T2171]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  169.790566][ T2171]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  169.790567][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790569][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790570][ T2171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.790572][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790574][ T2171]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.790575][ T2171]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  169.790578][ T2171]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  169.790580][ T2171]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  169.790582][ T2171]  ? __kernel_text_address (kernel/extable.c:79)
[  169.790583][ T2171]  ? write_profile (profile.c:?)
[  169.790585][ T2171]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  169.790587][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790588][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790590][ T2171]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  169.790594][ T2171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.790595][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790597][ T2171]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  169.790599][ T2171]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  169.790601][ T2171]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  169.790602][ T2171]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  169.790604][ T2171]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  169.790607][ T2171]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  169.790609][ T2171]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  169.790610][ T2171]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.790612][ T2171]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  169.790613][ T2171]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  169.790615][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790617][ T2171]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.790619][ T2171]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  169.790621][ T2171]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  169.790623][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790624][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790626][ T2171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.790628][ T2171]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  169.790630][ T2171]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  169.790632][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790633][ T2171]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.790635][ T2171]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  169.790637][ T2171]  ? copy_msghdr_from_user (net/socket.c:2650)
[  169.790638][ T2171]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  169.790640][ T2171]  ? move_addr_to_kernel (net/socket.c:258)
[  169.790641][ T2171]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  169.790644][ T2171]  ___sys_sendmsg (net/socket.c:2767)
[  169.790645][ T2171]  ? copy_msghdr_from_user (net/socket.c:2619)
[  169.790650][ T2171]  __sys_sendmsg (net/socket.c:2799)
[  169.790652][ T2171]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  169.790655][ T2171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.790657][ T2171]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  169.790658][ T2171]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  169.790660][ T2171]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  169.790662][ T2171] RIP: 0033:0x7fbda731e54e
[  169.790663][ T2171] 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
[  169.790666][ T2171] RSP: 002b:00007ffd9b850de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  169.790669][ T2171] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbda731e54e
[  169.790671][ T2171] RDX: 0000000000000000 RSI: 00007ffd9b850e90 RDI: 0000000000000005
[  169.790672][ T2171] RBP: 00007ffd9b850df0 R08: 0000000000000000 R09: 0000000000000000
[  169.790672][ T2171] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918640
[  169.790673][ T2171] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9b851550
| [  171.804309][ T2208] softirqs last disabled at (0): 0x0
| [  171.804311][ T2208] Preemption disabled at:
| [  171.804312][ T2208] vprintk_emit (kernel/printk/printk.c:2471)
| [  171.804323][ T2208] Tainted: [W]=WARN
[  171.804324][ T2208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  171.804326][ T2208] Call Trace:
[  171.804327][ T2208]  <TASK>
[  171.804328][ T2208]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  171.804334][ T2208]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  171.804336][ T2208]  __might_resched.cold (kernel/sched/core.c:9234)
[  171.804340][ T2208]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  171.804343][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804347][ T2208]  __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))
[  171.804350][ T2208]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.804353][ T2208]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.804357][ T2208]  ? 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)
[  171.804359][ T2208]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.804360][ T2208]  put_chars (drivers/char/virtio_console.c:1176)
[  171.804366][ T2208]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  171.804368][ T2208]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  171.804370][ T2208]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  171.804374][ T2208]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  171.804375][ T2208]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.804377][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804379][ T2208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.804381][ T2208]  console_emit_next_record (kernel/printk/printk.c:3183)
[  171.804384][ T2208]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  171.804386][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804387][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804389][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804391][ T2208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.804393][ T2208]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  171.804394][ T2208]  console_flush_one_record (kernel/printk/printk.c:3268)
[  171.804397][ T2208]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  171.804399][ T2208]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  171.804401][ T2208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.804403][ T2208]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  171.804404][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804406][ T2208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.804408][ T2208]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  171.804409][ T2208]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  171.804411][ T2208]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  171.804413][ T2208]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  171.804415][ T2208]  vprintk_emit (kernel/printk/printk.c:2479)
[  171.804418][ T2208]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  171.804419][ T2208]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  171.804423][ T2208]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  171.804426][ T2208]  ? ___sys_sendmsg (net/socket.c:2767)
[  171.804427][ T2208]  ? __sys_sendmsg (net/socket.c:2799)
[  171.804429][ T2208]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  171.804432][ T2208]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.804434][ T2208]  _printk (kernel/printk/printk.c:2504)
[  171.804437][ T2208]  ? snapshot_read.cold (user.c:?)
[  171.804439][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804441][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804443][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804444][ T2208]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  171.804447][ T2208]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  171.804450][ T2208]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  171.804452][ T2208]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  171.804453][ T2208]  ? netdev_notice (net/core/dev.c:13194)
[  171.804455][ T2208]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  171.804458][ T2208]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  171.804459][ T2208]  ? trace_contention_end (./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/lock.h:121)
[  171.804461][ T2208]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  171.804464][ T2208]  dev_set_allmulti (net/core/dev_api.c:315)
[  171.804467][ T2208] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  171.804480][ T2208]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  171.804483][ T2208] br_dev_delete (net/bridge/br_if.c:387) bridge
[  171.804490][ T2208]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  171.804493][ T2208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.804494][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804496][ T2208]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  171.804498][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804505][ T2208]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  171.804507][ T2208]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.804509][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804510][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804512][ T2208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.804514][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804515][ T2208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.804517][ T2208]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  171.804520][ T2208]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  171.804522][ T2208]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  171.804524][ T2208]  ? __kernel_text_address (kernel/extable.c:79)
[  171.804525][ T2208]  ? write_profile (profile.c:?)
[  171.804528][ T2208]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  171.804529][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804531][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804532][ T2208]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  171.804536][ T2208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.804543][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804545][ T2208]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  171.804547][ T2208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  171.804549][ T2208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  171.804550][ T2208]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  171.804552][ T2208]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  171.804556][ T2208]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  171.804557][ T2208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  171.804559][ T2208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.804560][ T2208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  171.804562][ T2208]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  171.804564][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804566][ T2208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.804568][ T2208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  171.804570][ T2208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  171.804572][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804574][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804575][ T2208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.804577][ T2208]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  171.804579][ T2208]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  171.804581][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804583][ T2208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.804585][ T2208]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  171.804586][ T2208]  ? copy_msghdr_from_user (net/socket.c:2650)
[  171.804588][ T2208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  171.804590][ T2208]  ? move_addr_to_kernel (net/socket.c:258)
[  171.804591][ T2208]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  171.804594][ T2208]  ___sys_sendmsg (net/socket.c:2767)
[  171.804596][ T2208]  ? copy_msghdr_from_user (net/socket.c:2619)
[  171.804601][ T2208]  __sys_sendmsg (net/socket.c:2799)
[  171.804602][ T2208]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  171.804605][ T2208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.804607][ T2208]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  171.804609][ T2208]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  171.804611][ T2208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.804612][ T2208] RIP: 0033:0x7f003a44054e
[  171.804614][ T2208] 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
[  171.804616][ T2208] RSP: 002b:00007fff99e1e620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  171.804621][ T2208] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f003a44054e
[  171.804622][ T2208] RDX: 0000000000000000 RSI: 00007fff99e1e6d0 RDI: 0000000000000005
[  171.804623][ T2208] RBP: 00007fff99e1e630 R08: 0000000000000000 R09: 0000000000000000
[  171.804624][ T2208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918642
[  171.804625][ T2208] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff99e1ed90
| [  185.222605][ T2342] softirqs last disabled at (0): 0x0
| [  185.222607][ T2342] Preemption disabled at:
| [  185.222608][ T2342] vprintk_emit (kernel/printk/printk.c:2471)
| [  185.222622][ T2342] Tainted: [W]=WARN
[  185.222623][ T2342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  185.222624][ T2342] Call Trace:
[  185.222626][ T2342]  <TASK>
[  185.222627][ T2342]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  185.222632][ T2342]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  185.222634][ T2342]  __might_resched.cold (kernel/sched/core.c:9234)
[  185.222638][ T2342]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  185.222642][ T2342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.222645][ T2342]  __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))
[  185.222649][ T2342]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  185.222651][ T2342]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.222655][ T2342]  ? 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)
[  185.222657][ T2342]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.222659][ T2342]  put_chars (drivers/char/virtio_console.c:1176)
[  185.222661][ T2342]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  185.222662][ T2342]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  185.222664][ T2342]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  185.222667][ T2342]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  185.222670][ T2342]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  185.222671][ T2342]  ? 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)
[  185.222673][ T2342]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  185.222675][ T2342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.222676][ T2342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.222678][ T2342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.222680][ T2342]  console_emit_next_record (kernel/printk/printk.c:3183)
[  185.222683][ T2342]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  185.222685][ T2342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.222686][ T2342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.222688][ T2342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.222690][ T2342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.222691][ T2342]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  185.222693][ T2342]  console_flush_one_record (kernel/printk/printk.c:3268)
[  185.222695][ T2342]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  185.222698][ T2342]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  185.222700][ T2342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.222701][ T2342]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  185.222703][ T2342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.222705][ T2342]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  185.222706][ T2342]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  185.222707][ T2342]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  185.222709][ T2342]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  185.222711][ T2342]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  185.222713][ T2342]  vprintk_emit (kernel/printk/printk.c:2479)
[  185.222715][ T2342]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  185.222718][ T2342]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  185.222720][ T2342]  _printk (kernel/printk/printk.c:2504)
[  185.222723][ T2342]  ? snapshot_read.cold (user.c:?)
[  185.222726][ T2342]  ? 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)
[  185.222728][ T2342] gact_init_module (net/sched/act_gact.c:180) act_gact
[  185.222730][ T2342]  do_one_initcall (init/main.c:1357)
[  185.222732][ T2342]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  185.222734][ T2342]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  185.222737][ T2342]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  185.222739][ T2342]  do_init_module (kernel/module/main.c:3117)
[  185.222742][ T2342]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  185.222744][ T2342]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  185.222746][ T2342]  load_module (kernel/module/main.c:3593)
[  185.222749][ T2342]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  185.222751][ T2342]  ? __ia32_sys_fsconfig (??:?)
[  185.222754][ T2342]  ? ovl_real_file (fs/overlayfs/file.c:195)
[  185.222757][ T2342]  ? backing_file_read_iter (fs/backing-file.c:211)
[  185.222760][ T2342]  init_module_from_file (kernel/module/main.c:3790)
[  185.222762][ T2342]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  185.222765][ T2342]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  185.222767][ T2342]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  185.222769][ T2342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.222770][ T2342]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  185.222772][ T2342]  ? 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)
[  185.222774][ T2342]  idempotent_init_module (kernel/module/main.c:3802)
[  185.222776][ T2342]  ? init_module_from_file (kernel/module/main.c:3791)
[  185.222779][ T2342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.222780][ T2342]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  185.222784][ T2342]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  185.222786][ T2342]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  185.222788][ T2342]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  185.222791][ T2342]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  185.222794][ T2342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  185.222796][ T2342] RIP: 0033:0x7f00f78df37d
[  185.222798][ T2342] 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
[  185.222800][ T2342] RSP: 002b:00007ffca4008278 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  185.222803][ T2342] RAX: ffffffffffffffda RBX: 000055dec4e5f810 RCX: 00007f00f78df37d
[  185.222805][ T2342] RDX: 0000000000000000 RSI: 000055deb6b9bffd RDI: 0000000000000000
[  185.222806][ T2342] RBP: 00007ffca4008310 R08: 0000000000000000 R09: 0000000000000000
[  185.222807][ T2342] R10: 0000000000000000 R11: 0000000000000246 R12: 000055deb6b9bffd
[  185.222807][ T2342] R13: 000055dec4e5f960 R14: 0000000000040000 R15: 0000000000000000
| [  201.556654][ T2969] softirqs last disabled at (0): 0x0
| [  201.556656][ T2969] Preemption disabled at:
| [  201.556657][ T2969] 0x0
| [  201.556668][ T2969] Tainted: [W]=WARN
[  201.556669][ T2969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  201.556671][ T2969] Call Trace:
[  201.556673][ T2969]  <TASK>
[  201.556675][ T2969]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  201.556681][ T2969]  __might_resched.cold (kernel/sched/core.c:9234)
[  201.556687][ T2969]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  201.556691][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.556696][ T2969]  __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))
[  201.556700][ T2969]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  201.556704][ T2969]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  201.556709][ T2969]  ? 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)
[  201.556712][ T2969]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  201.556714][ T2969]  put_chars (drivers/char/virtio_console.c:1176)
[  201.556717][ T2969]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  201.556720][ T2969]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  201.556725][ T2969]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  201.556729][ T2969]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  201.556732][ T2969]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  201.556735][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.556737][ T2969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.556741][ T2969]  console_emit_next_record (kernel/printk/printk.c:3183)
[  201.556744][ T2969]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  201.556747][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.556750][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.556752][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.556754][ T2969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.556757][ T2969]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  201.556760][ T2969]  console_flush_one_record (kernel/printk/printk.c:3268)
[  201.556763][ T2969]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  201.556767][ T2969]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  201.556770][ T2969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.556772][ T2969]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  201.556774][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.556777][ T2969]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  201.556779][ T2969]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  201.556781][ T2969]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  201.556784][ T2969]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  201.556787][ T2969]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  201.556790][ T2969]  vprintk_emit (kernel/printk/printk.c:2479)
[  201.556793][ T2969]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  201.556796][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.556798][ T2969]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  201.556802][ T2969]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  201.556804][ T2969]  _printk (kernel/printk/printk.c:2504)
[  201.556808][ T2969]  ? snapshot_read.cold (user.c:?)
[  201.556812][ T2969]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  201.556818][ T2969] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  201.556837][ T2969] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  201.556849][ T2969] br_device_event (net/bridge/br.c:111) bridge
[  201.556862][ T2969]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  201.556867][ T2969]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  201.556870][ T2969]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  201.556874][ T2969]  notifier_call_chain (kernel/notifier.c:85)
[  201.556879][ T2969]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  201.556884][ T2969]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  201.556886][ T2969]  ? netif_change_name (net/core/dev.c:1517)
[  201.556889][ T2969]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  201.556892][ T2969]  ? __kernel_text_address (kernel/extable.c:79)
[  201.556895][ T2969]  ? write_profile (profile.c:?)
[  201.556898][ T2969]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  201.556902][ T2969]  netif_change_flags (net/core/dev.c:9882)
[  201.556905][ T2969]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  201.556910][ T2969]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  201.556912][ T2969]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  201.556914][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.556916][ T2969]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  201.556923][ T2969]  ? kasan_save_stack (mm/kasan/common.c:58)
[  201.556927][ T2969]  ? kasan_save_stack (mm/kasan/common.c:57)
[  201.556929][ T2969]  ? kasan_save_track (mm/kasan/common.c:78)
[  201.556931][ T2969]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  201.556933][ T2969]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  201.556936][ T2969]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  201.556938][ T2969]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  201.556940][ T2969]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  201.556943][ T2969]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  201.556945][ T2969]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  201.556947][ T2969]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  201.556950][ T2969]  ? ___sys_sendmsg (net/socket.c:2767)
[  201.556952][ T2969]  ? __sys_sendmsg (net/socket.c:2799)
[  201.556955][ T2969]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  201.556958][ T2969]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  201.556962][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.556965][ T2969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.556967][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.556969][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.556972][ T2969]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  201.556976][ T2969]  ? __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)
[  201.556978][ T2969]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  201.556980][ T2969]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  201.556983][ T2969]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  201.556987][ T2969]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  201.556990][ T2969]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  201.556993][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.556996][ T2969]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  201.556998][ T2969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.557000][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.557003][ T2969]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  201.557007][ T2969]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  201.557010][ T2969]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  201.557012][ T2969]  ? __kernel_text_address (kernel/extable.c:79)
[  201.557014][ T2969]  ? write_profile (profile.c:?)
[  201.557016][ T2969]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  201.557018][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.557021][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.557023][ T2969]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  201.557028][ T2969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.557030][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.557033][ T2969]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  201.557035][ T2969]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  201.557038][ T2969]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  201.557040][ T2969]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  201.557042][ T2969]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  201.557046][ T2969]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  201.557048][ T2969]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  201.557050][ T2969]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  201.557053][ T2969]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  201.557055][ T2969]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  201.557059][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.557061][ T2969]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  201.557064][ T2969]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  201.557067][ T2969]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  201.557070][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.557072][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.557075][ T2969]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.557078][ T2969]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  201.557081][ T2969]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  201.557084][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.557087][ T2969]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  201.557090][ T2969]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  201.557092][ T2969]  ? copy_msghdr_from_user (net/socket.c:2650)
[  201.557095][ T2969]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  201.557097][ T2969]  ? move_addr_to_kernel (net/socket.c:258)
[  201.557099][ T2969]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  201.557103][ T2969]  ___sys_sendmsg (net/socket.c:2767)
[  201.557106][ T2969]  ? copy_msghdr_from_user (net/socket.c:2619)
[  201.557114][ T2969]  __sys_sendmsg (net/socket.c:2799)
[  201.557117][ T2969]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  201.557121][ T2969]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.557124][ T2969]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  201.557126][ T2969]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  201.557129][ T2969]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  201.557132][ T2969] RIP: 0033:0x7fc701bf854e
[  201.557134][ T2969] 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
[  201.557137][ T2969] RSP: 002b:00007fff461037c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  201.557142][ T2969] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc701bf854e
[  201.557144][ T2969] RDX: 0000000000000000 RSI: 00007fff46103870 RDI: 0000000000000005
[  201.557145][ T2969] RBP: 00007fff461037d0 R08: 0000000000000000 R09: 0000000000000000
[  201.557147][ T2969] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91865f
[  201.557148][ T2969] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff46103f30
| [  217.893502][ T3061] softirqs last disabled at (0): 0x0
| [  217.893504][ T3061] Preemption disabled at:
| [  217.893505][ T3061] 0x0
| [  217.893513][ T3061] Tainted: [W]=WARN
[  217.893514][ T3061] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  217.893516][ T3061] Call Trace:
[  217.893518][ T3061]  <TASK>
[  217.893519][ T3061]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  217.893525][ T3061]  __might_resched.cold (kernel/sched/core.c:9234)
[  217.893529][ T3061]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  217.893532][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893536][ T3061]  __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))
[  217.893540][ T3061]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  217.893542][ T3061]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.893546][ T3061]  ? 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)
[  217.893548][ T3061]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.893550][ T3061]  put_chars (drivers/char/virtio_console.c:1176)
[  217.893552][ T3061]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  217.893553][ T3061]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  217.893557][ T3061]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  217.893560][ T3061]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  217.893563][ T3061]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  217.893564][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893566][ T3061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.893568][ T3061]  console_emit_next_record (kernel/printk/printk.c:3183)
[  217.893571][ T3061]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  217.893573][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893575][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893576][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893578][ T3061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.893580][ T3061]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  217.893582][ T3061]  console_flush_one_record (kernel/printk/printk.c:3268)
[  217.893584][ T3061]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  217.893587][ T3061]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  217.893588][ T3061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.893590][ T3061]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  217.893592][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893593][ T3061]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.893595][ T3061]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  217.893596][ T3061]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  217.893598][ T3061]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  217.893600][ T3061]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  217.893602][ T3061]  vprintk_emit (kernel/printk/printk.c:2479)
[  217.893604][ T3061]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  217.893606][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893608][ T3061]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  217.893610][ T3061]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  217.893612][ T3061]  _printk (kernel/printk/printk.c:2504)
[  217.893615][ T3061]  ? snapshot_read.cold (user.c:?)
[  217.893617][ T3061]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  217.893622][ T3061] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  217.893635][ T3061] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  217.893643][ T3061] br_device_event (net/bridge/br.c:111) bridge
[  217.893652][ T3061]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  217.893655][ T3061]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  217.893658][ T3061]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  217.893661][ T3061]  notifier_call_chain (kernel/notifier.c:85)
[  217.893664][ T3061]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  217.893668][ T3061]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  217.893669][ T3061]  ? netif_change_name (net/core/dev.c:1517)
[  217.893671][ T3061]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  217.893673][ T3061]  ? __kernel_text_address (kernel/extable.c:79)
[  217.893675][ T3061]  ? write_profile (profile.c:?)
[  217.893677][ T3061]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  217.893680][ T3061]  netif_change_flags (net/core/dev.c:9882)
[  217.893682][ T3061]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  217.893685][ T3061]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  217.893687][ T3061]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  217.893688][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893690][ T3061]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  217.893694][ T3061]  ? kasan_save_stack (mm/kasan/common.c:58)
[  217.893697][ T3061]  ? kasan_save_stack (mm/kasan/common.c:57)
[  217.893698][ T3061]  ? kasan_save_track (mm/kasan/common.c:78)
[  217.893699][ T3061]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  217.893701][ T3061]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  217.893702][ T3061]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  217.893704][ T3061]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  217.893705][ T3061]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  217.893712][ T3061]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  217.893713][ T3061]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  217.893715][ T3061]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  217.893717][ T3061]  ? ___sys_sendmsg (net/socket.c:2767)
[  217.893719][ T3061]  ? __sys_sendmsg (net/socket.c:2799)
[  217.893720][ T3061]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  217.893722][ T3061]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  217.893725][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893727][ T3061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.893728][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893730][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893732][ T3061]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  217.893735][ T3061]  ? __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)
[  217.893736][ T3061]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  217.893738][ T3061]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  217.893740][ T3061]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  217.893742][ T3061]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  217.893744][ T3061]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  217.893746][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893747][ T3061]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  217.893749][ T3061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.893750][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893752][ T3061]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  217.893755][ T3061]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  217.893757][ T3061]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  217.893759][ T3061]  ? __kernel_text_address (kernel/extable.c:79)
[  217.893760][ T3061]  ? write_profile (profile.c:?)
[  217.893761][ T3061]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  217.893762][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893764][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893766][ T3061]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  217.893769][ T3061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.893771][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893773][ T3061]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  217.893774][ T3061]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  217.893775][ T3061]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  217.893777][ T3061]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  217.893778][ T3061]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  217.893781][ T3061]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  217.893782][ T3061]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  217.893783][ T3061]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.893785][ T3061]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  217.893786][ T3061]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  217.893789][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893790][ T3061]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.893792][ T3061]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  217.893794][ T3061]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  217.893796][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893798][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893799][ T3061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.893801][ T3061]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  217.893803][ T3061]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  217.893805][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893806][ T3061]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  217.893808][ T3061]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  217.893810][ T3061]  ? copy_msghdr_from_user (net/socket.c:2650)
[  217.893812][ T3061]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  217.893813][ T3061]  ? move_addr_to_kernel (net/socket.c:258)
[  217.893815][ T3061]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  217.893817][ T3061]  ___sys_sendmsg (net/socket.c:2767)
[  217.893819][ T3061]  ? copy_msghdr_from_user (net/socket.c:2619)
[  217.893824][ T3061]  __sys_sendmsg (net/socket.c:2799)
[  217.893826][ T3061]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  217.893828][ T3061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.893830][ T3061]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  217.893832][ T3061]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  217.893834][ T3061]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  217.893835][ T3061] RIP: 0033:0x7fe3c54ab54e
[  217.893837][ T3061] 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
[  217.893840][ T3061] RSP: 002b:00007ffd795f20d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  217.893844][ T3061] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe3c54ab54e
[  217.893845][ T3061] RDX: 0000000000000000 RSI: 00007ffd795f2180 RDI: 0000000000000005
[  217.893846][ T3061] RBP: 00007ffd795f20e0 R08: 0000000000000000 R09: 0000000000000000
[  217.893846][ T3061] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918670
[  217.893847][ T3061] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd795f2840
| [  223.690014][ T3115] softirqs last disabled at (0): 0x0
| [  223.690016][ T3115] Preemption disabled at:
| [  223.690017][ T3115] 0x0
| [  223.690026][ T3115] Tainted: [W]=WARN
[  223.690027][ T3115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  223.690029][ T3115] Call Trace:
[  223.690030][ T3115]  <TASK>
[  223.690031][ T3115]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  223.690037][ T3115]  __might_resched.cold (kernel/sched/core.c:9234)
[  223.690041][ T3115]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  223.690044][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690048][ T3115]  __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))
[  223.690052][ T3115]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  223.690055][ T3115]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  223.690058][ T3115]  ? 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)
[  223.690060][ T3115]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  223.690062][ T3115]  put_chars (drivers/char/virtio_console.c:1176)
[  223.690064][ T3115]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  223.690066][ T3115]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  223.690069][ T3115]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  223.690072][ T3115]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  223.690075][ T3115]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  223.690076][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690078][ T3115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.690080][ T3115]  console_emit_next_record (kernel/printk/printk.c:3183)
[  223.690083][ T3115]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  223.690085][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690086][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690088][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690090][ T3115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.690092][ T3115]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  223.690093][ T3115]  console_flush_one_record (kernel/printk/printk.c:3268)
[  223.690096][ T3115]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  223.690098][ T3115]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  223.690100][ T3115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.690102][ T3115]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  223.690103][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690105][ T3115]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  223.690106][ T3115]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  223.690108][ T3115]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  223.690110][ T3115]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  223.690112][ T3115]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  223.690114][ T3115]  vprintk_emit (kernel/printk/printk.c:2479)
[  223.690116][ T3115]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  223.690118][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690119][ T3115]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  223.690122][ T3115]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  223.690123][ T3115]  _printk (kernel/printk/printk.c:2504)
[  223.690127][ T3115]  ? snapshot_read.cold (user.c:?)
[  223.690129][ T3115]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  223.690134][ T3115] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  223.690147][ T3115] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  223.690155][ T3115] br_device_event (net/bridge/br.c:111) bridge
[  223.690163][ T3115]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  223.690167][ T3115]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  223.690169][ T3115]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  223.690172][ T3115]  notifier_call_chain (kernel/notifier.c:85)
[  223.690176][ T3115]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  223.690179][ T3115]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  223.690181][ T3115]  ? netif_change_name (net/core/dev.c:1517)
[  223.690183][ T3115]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  223.690185][ T3115]  ? __kernel_text_address (kernel/extable.c:79)
[  223.690187][ T3115]  ? write_profile (profile.c:?)
[  223.690189][ T3115]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  223.690192][ T3115]  netif_change_flags (net/core/dev.c:9882)
[  223.690194][ T3115]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  223.690197][ T3115]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  223.690199][ T3115]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  223.690200][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690202][ T3115]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  223.690206][ T3115]  ? kasan_save_stack (mm/kasan/common.c:58)
[  223.690209][ T3115]  ? kasan_save_stack (mm/kasan/common.c:57)
[  223.690210][ T3115]  ? kasan_save_track (mm/kasan/common.c:78)
[  223.690212][ T3115]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  223.690213][ T3115]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  223.690215][ T3115]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  223.690216][ T3115]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  223.690217][ T3115]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  223.690220][ T3115]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  223.690221][ T3115]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  223.690222][ T3115]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  223.690225][ T3115]  ? ___sys_sendmsg (net/socket.c:2767)
[  223.690226][ T3115]  ? __sys_sendmsg (net/socket.c:2799)
[  223.690228][ T3115]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  223.690230][ T3115]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  223.690233][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690235][ T3115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.690236][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690237][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690239][ T3115]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  223.690243][ T3115]  ? __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)
[  223.690244][ T3115]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  223.690246][ T3115]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  223.690247][ T3115]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  223.690249][ T3115]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  223.690251][ T3115]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  223.690253][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690255][ T3115]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  223.690256][ T3115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.690258][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690260][ T3115]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  223.690263][ T3115]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  223.690265][ T3115]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  223.690266][ T3115]  ? __kernel_text_address (kernel/extable.c:79)
[  223.690268][ T3115]  ? write_profile (profile.c:?)
[  223.690269][ T3115]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  223.690270][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690272][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690273][ T3115]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  223.690277][ T3115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.690278][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690280][ T3115]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  223.690281][ T3115]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  223.690283][ T3115]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  223.690284][ T3115]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  223.690286][ T3115]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  223.690288][ T3115]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  223.690290][ T3115]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  223.690291][ T3115]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  223.690292][ T3115]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  223.690294][ T3115]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  223.690296][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690298][ T3115]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  223.690300][ T3115]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  223.690302][ T3115]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  223.690303][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690305][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690307][ T3115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.690308][ T3115]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  223.690310][ T3115]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  223.690312][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690314][ T3115]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  223.690316][ T3115]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  223.690317][ T3115]  ? copy_msghdr_from_user (net/socket.c:2650)
[  223.690319][ T3115]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  223.690320][ T3115]  ? move_addr_to_kernel (net/socket.c:258)
[  223.690322][ T3115]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  223.690324][ T3115]  ___sys_sendmsg (net/socket.c:2767)
[  223.690326][ T3115]  ? copy_msghdr_from_user (net/socket.c:2619)
[  223.690331][ T3115]  __sys_sendmsg (net/socket.c:2799)
[  223.690333][ T3115]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  223.690336][ T3115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.690338][ T3115]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  223.690339][ T3115]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  223.690341][ T3115]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  223.690343][ T3115] RIP: 0033:0x7fddc75f154e
[  223.690344][ T3115] 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
[  223.690347][ T3115] RSP: 002b:00007ffed2886340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  223.690350][ T3115] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fddc75f154e
[  223.690352][ T3115] RDX: 0000000000000000 RSI: 00007ffed28863f0 RDI: 0000000000000005
[  223.690353][ T3115] RBP: 00007ffed2886350 R08: 0000000000000000 R09: 0000000000000000
[  223.690353][ T3115] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918676


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
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_stp_disable_bridge:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars