======================================
| [   10.731522][  T239] softirqs last disabled at (31217): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.731524][  T239] Preemption disabled at:
| [   10.731525][  T239] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.731535][  T239] Tainted: [W]=WARN
[   10.731536][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.731537][  T239] Call Trace:
[   10.731539][  T239]  <TASK>
[   10.731540][  T239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.731546][  T239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.731548][  T239]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.731553][  T239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.731557][  T239]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.731562][  T239]  __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))
[   10.731565][  T239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.731571][  T239]  ? 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)
[   10.731573][  T239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.731577][  T239]  put_chars (drivers/char/virtio_console.c:1176)
[   10.731579][  T239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.731581][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.731586][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.731588][  T239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.731593][  T239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.731595][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.731601][  T239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.731603][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.731608][  T239]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.731612][  T239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.731614][  T239]  ? 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))
[   10.731617][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.731620][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.731624][  T239]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.731628][  T239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.731630][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.731635][  T239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.731638][  T239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.731640][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.731642][  T239]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.731646][  T239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.731648][  T239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.731651][  T239]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.731655][  T239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.731661][  T239]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.731665][  T239]  _printk (kernel/printk/printk.c:2504)
[   10.731669][  T239]  ? snapshot_read.cold (user.c:?)
[   10.731675][  T239]  ? 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)
[   10.731678][  T239] 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
[   10.731682][  T239]  do_one_initcall (init/main.c:1357)
[   10.731684][  T239]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.731689][  T239]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.731692][  T239]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.731697][  T239]  do_init_module (kernel/module/main.c:3117)
[   10.731701][  T239]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.731705][  T239]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.731708][  T239]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.731712][  T239]  load_module (kernel/module/main.c:3593)
[   10.731720][  T239]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.731724][  T239]  ? __ia32_sys_fsconfig (??:?)
[   10.731727][  T239]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.731731][  T239]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.731734][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.731738][  T239]  init_module_from_file (kernel/module/main.c:3790)
[   10.731741][  T239]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.731750][  T239]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.731753][  T239]  ? 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)
[   10.731756][  T239]  idempotent_init_module (kernel/module/main.c:3802)
[   10.731760][  T239]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.731766][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.731769][  T239]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.731775][  T239]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.731777][  T239]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.731781][  T239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.731783][  T239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.731786][  T239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.731788][  T239] RIP: 0033:0x7f2b463e337d
[   10.731791][  T239] 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
[   10.731793][  T239] RSP: 002b:00007ffc8ab63378 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.731796][  T239] RAX: ffffffffffffffda RBX: 0000555de3a8b810 RCX: 00007f2b463e337d
[   10.731797][  T239] RDX: 0000000000000000 RSI: 0000555dc1b8fffd RDI: 0000000000000000
[   10.731798][  T239] RBP: 00007ffc8ab63410 R08: 0000000000000000 R09: 0000000000000000
[   10.731799][  T239] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555dc1b8fffd
[   10.731800][  T239] R13: 0000555de3a8b960 R14: 0000000000040000 R15: 0000000000000000
| [   12.031084][  T286] softirqs last disabled at (14410): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.031087][  T286] Preemption disabled at:
| [   12.031088][  T286] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.031100][  T286] Tainted: [W]=WARN
[   12.031101][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.031103][  T286] Call Trace:
[   12.031105][  T286]  <TASK>
[   12.031107][  T286]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.031115][  T286]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.031118][  T286]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.031124][  T286]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.031129][  T286]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.031136][  T286]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.031140][  T286]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.031149][  T286]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.031152][  T286]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.031157][  T286]  put_chars (drivers/char/virtio_console.c:1176)
[   12.031161][  T286]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.031168][  T286]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.031174][  T286]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.031178][  T286]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.031180][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.031183][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.031189][  T286]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.031193][  T286]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.031197][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.031202][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.031212][  T286]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.031217][  T286]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.031220][  T286]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.031224][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.031228][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.031234][  T286]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.031240][  T286]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.031242][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.031250][  T286]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.031254][  T286]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.031257][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.031260][  T286]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.031266][  T286]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.031268][  T286]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.031273][  T286]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.031278][  T286]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.031282][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.031284][  T286]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.031289][  T286]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.031295][  T286]  _printk (kernel/printk/printk.c:2504)
[   12.031299][  T286]  ? snapshot_read.cold (user.c:?)
[   12.031305][  T286]  ? br_multicast_flood (??:?) bridge
[   12.031321][  T286]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.031323][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.031325][  T286]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.031332][  T286] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.031347][  T286] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.031359][  T286] new_nbp (net/bridge/br_if.c:449) bridge
[   12.031374][  T286] br_add_if (net/bridge/br_if.c:592) bridge
[   12.031386][  T286]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.031391][  T286]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.031395][  T286]  ? __kernel_text_address (kernel/extable.c:79)
[   12.031401][  T286]  do_set_master (net/core/rtnetlink.c:3071)
[   12.031408][  T286]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.031413][  T286]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.031417][  T286]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.031419][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.031423][  T286]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.031428][  T286]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.031432][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.031434][  T286]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.031439][  T286]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.031442][  T286]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.031444][  T286]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.031448][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.031451][  T286]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.031455][  T286]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.031461][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.031464][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.031469][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.031472][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.031474][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.031477][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.031480][  T286]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.031485][  T286]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.031487][  T286]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.031490][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.031496][  T286]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.031498][  T286]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.031506][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.031515][  T286]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.031523][  T286]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.031526][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.031533][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.031536][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.031539][  T286]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.031542][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.031548][  T286]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.031551][  T286]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.031556][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.031558][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.031565][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.031568][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.031573][  T286]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.031575][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.031580][  T286]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.031590][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.031592][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.031599][  T286]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.031605][  T286]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.031609][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.031616][  T286]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.031621][  T286]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.031628][  T286]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.031636][  T286]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.031639][  T286]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.031642][  T286]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.031645][  T286]  ? move_addr_to_kernel (net/socket.c:258)
[   12.031657][  T286]  ___sys_sendmsg (net/socket.c:2767)
[   12.031661][  T286]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.031688][  T286]  __sys_sendmsg (net/socket.c:2799)
[   12.031692][  T286]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.031703][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.031708][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.031711][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.031716][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.031719][  T286] RIP: 0033:0x7fb70feab54e
[   12.031724][  T286] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.031727][  T286] RSP: 002b:00007ffca7f180d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.031730][  T286] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb70feab54e
[   12.031732][  T286] RDX: 0000000000000000 RSI: 00007ffca7f18180 RDI: 0000000000000005
[   12.031733][  T286] RBP: 00007ffca7f180e0 R08: 0000000000000000 R09: 0000000000000000
[   12.031735][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9138b3
[   12.031736][  T286] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca7f18840
| [   13.414057][  T337] softirqs last disabled at (27390): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.414060][  T337] Preemption disabled at:
| [   13.414061][  T337] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.414070][  T337] Tainted: [W]=WARN
[   13.414071][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.414072][  T337] Call Trace:
[   13.414074][  T337]  <TASK>
[   13.414076][  T337]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.414082][  T337]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.414084][  T337]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.414088][  T337]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.414093][  T337]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.414098][  T337]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.414100][  T337]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.414106][  T337]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.414109][  T337]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.414112][  T337]  put_chars (drivers/char/virtio_console.c:1176)
[   13.414114][  T337]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.414116][  T337]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.414119][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.414123][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.414126][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.414129][  T337]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.414132][  T337]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.414134][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.414136][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.414140][  T337]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.414142][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.414145][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.414147][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.414151][  T337]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.414155][  T337]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.414157][  T337]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.414160][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.414163][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.414167][  T337]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.414171][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.414173][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.414178][  T337]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.414180][  T337]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.414182][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.414185][  T337]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.414188][  T337]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.414190][  T337]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.414193][  T337]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.414197][  T337]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.414200][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.414202][  T337]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.414208][  T337]  _printk (kernel/printk/printk.c:2504)
[   13.414211][  T337]  ? snapshot_read.cold (user.c:?)
[   13.414215][  T337]  ? br_multicast_flood (??:?) bridge
[   13.414228][  T337]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.414229][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.414231][  T337]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.414235][  T337] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.414245][  T337] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.414254][  T337] new_nbp (net/bridge/br_if.c:449) bridge
[   13.414264][  T337] br_add_if (net/bridge/br_if.c:592) bridge
[   13.414271][  T337]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.414275][  T337]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.414278][  T337]  ? __kernel_text_address (kernel/extable.c:79)
[   13.414282][  T337]  do_set_master (net/core/rtnetlink.c:3071)
[   13.414286][  T337]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.414290][  T337]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.414293][  T337]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.414294][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.414296][  T337]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.414299][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.414302][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.414304][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.414306][  T337]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.414310][  T337]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.414311][  T337]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.414314][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.414316][  T337]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.414319][  T337]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.414323][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.414325][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.414328][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.414330][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.414332][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.414334][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.414336][  T337]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.414340][  T337]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.414343][  T337]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.414345][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.414348][  T337]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.414350][  T337]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.414355][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.414360][  T337]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.414366][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.414367][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.414372][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.414374][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.414376][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.414377][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.414381][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.414383][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.414386][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.414388][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.414392][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.414394][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.414397][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.414399][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.414402][  T337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.414408][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.414410][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.414414][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.414417][  T337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.414420][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.414424][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.414428][  T337]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.414432][  T337]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.414437][  T337]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.414439][  T337]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.414441][  T337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.414443][  T337]  ? move_addr_to_kernel (net/socket.c:258)
[   13.414450][  T337]  ___sys_sendmsg (net/socket.c:2767)
[   13.414453][  T337]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.414469][  T337]  __sys_sendmsg (net/socket.c:2799)
[   13.414471][  T337]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.414478][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.414481][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.414484][  T337]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.414487][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.414489][  T337] RIP: 0033:0x7f451b4bf54e
[   13.414493][  T337] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.414495][  T337] RSP: 002b:00007ffdf144d020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.414497][  T337] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f451b4bf54e
[   13.414499][  T337] RDX: 0000000000000000 RSI: 00007ffdf144d0d0 RDI: 0000000000000005
[   13.414500][  T337] RBP: 00007ffdf144d030 R08: 0000000000000000 R09: 0000000000000000
[   13.414500][  T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9138b4
[   13.414501][  T337] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf144d790
| [   14.706127][  T383] softirqs last disabled at (23930): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.706129][  T383] Preemption disabled at:
| [   14.706130][  T383] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.706140][  T383] Tainted: [W]=WARN
[   14.706140][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.706142][  T383] Call Trace:
[   14.706144][  T383]  <TASK>
[   14.706145][  T383]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.706151][  T383]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.706154][  T383]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.706158][  T383]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.706163][  T383]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.706168][  T383]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.706171][  T383]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.706177][  T383]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.706180][  T383]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.706183][  T383]  put_chars (drivers/char/virtio_console.c:1176)
[   14.706185][  T383]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.706187][  T383]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.706190][  T383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.706195][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.706197][  T383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.706201][  T383]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.706204][  T383]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.706207][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.706209][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.706213][  T383]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.706215][  T383]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.706219][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.706221][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.706225][  T383]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.706229][  T383]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.706231][  T383]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.706235][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.706237][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.706241][  T383]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.706246][  T383]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.706248][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.706253][  T383]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.706256][  T383]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.706258][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.706260][  T383]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.706264][  T383]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.706266][  T383]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.706269][  T383]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.706274][  T383]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.706277][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.706279][  T383]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.706283][  T383]  _printk (kernel/printk/printk.c:2504)
[   14.706287][  T383]  ? snapshot_read.cold (user.c:?)
[   14.706291][  T383]  ? br_multicast_flood (??:?) bridge
[   14.706304][  T383]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.706306][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.706307][  T383]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.706312][  T383] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.706322][  T383] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.706331][  T383] new_nbp (net/bridge/br_if.c:449) bridge
[   14.706340][  T383] br_add_if (net/bridge/br_if.c:592) bridge
[   14.706347][  T383]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.706351][  T383]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.706354][  T383]  ? __kernel_text_address (kernel/extable.c:79)
[   14.706358][  T383]  do_set_master (net/core/rtnetlink.c:3071)
[   14.706363][  T383]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.706366][  T383]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.706369][  T383]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.706371][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.706373][  T383]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.706376][  T383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.706379][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.706381][  T383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.706384][  T383]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.706387][  T383]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.706388][  T383]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.706391][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.706393][  T383]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.706396][  T383]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.706401][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.706403][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.706405][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.706408][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.706409][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.706411][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.706414][  T383]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.706418][  T383]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.706421][  T383]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.706423][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.706426][  T383]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.706428][  T383]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.706433][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.706439][  T383]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.706444][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.706446][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.706450][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.706452][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.706455][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.706456][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.706460][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.706462][  T383]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.706466][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.706467][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.706471][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.706473][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.706477][  T383]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.706479][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.706482][  T383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.706488][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.706490][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.706494][  T383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.706498][  T383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.706501][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.706505][  T383]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.706509][  T383]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.706513][  T383]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.706519][  T383]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.706521][  T383]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.706524][  T383]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.706525][  T383]  ? move_addr_to_kernel (net/socket.c:258)
[   14.706533][  T383]  ___sys_sendmsg (net/socket.c:2767)
[   14.706536][  T383]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.706552][  T383]  __sys_sendmsg (net/socket.c:2799)
[   14.706555][  T383]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.706561][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.706565][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.706568][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.706571][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.706573][  T383] RIP: 0033:0x7f2c57a1054e
[   14.706577][  T383] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.706579][  T383] RSP: 002b:00007ffcd78d94d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.706582][  T383] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2c57a1054e
[   14.706583][  T383] RDX: 0000000000000000 RSI: 00007ffcd78d9580 RDI: 0000000000000005
[   14.706584][  T383] RBP: 00007ffcd78d94e0 R08: 0000000000000000 R09: 0000000000000000
[   14.706585][  T383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9138b6
[   14.706586][  T383] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd78d9c40
| [   24.776360][   T12] softirqs last disabled at (45167): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   24.776363][   T12] Preemption disabled at:
| [   24.776363][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.776372][   T12] Tainted: [W]=WARN
[   24.776373][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.776375][   T12] Workqueue: netns cleanup_net
[   24.776379][   T12] Call Trace:
[   24.776380][   T12]  <TASK>
[   24.776382][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.776388][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.776390][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.776395][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.776399][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.776405][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.776407][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.776413][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.776416][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.776419][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   24.776422][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.776426][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   24.776430][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.776433][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.776434][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.776439][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.776441][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.776444][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.776448][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.776452][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.776456][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.776458][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.776461][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.776463][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.776467][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.776472][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.776474][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.776479][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.776482][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.776484][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.776486][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.776490][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.776492][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.776495][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.776499][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.776501][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   24.776503][   T12]  ? kthread (kernel/kthread.c:436)
[   24.776505][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   24.776508][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   24.776513][   T12]  _printk (kernel/printk/printk.c:2504)
[   24.776517][   T12]  ? snapshot_read.cold (user.c:?)
[   24.776522][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.776527][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.776533][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.776535][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   24.776539][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.776542][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   24.776545][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   24.776546][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.776549][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.776552][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   24.776557][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   24.776561][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   24.776577][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   24.776587][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   24.776595][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   24.776599][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.776603][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   24.776604][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.776607][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   24.776613][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   24.776616][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   24.776620][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.776622][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.776626][   T12]  process_one_work (kernel/workqueue.c:3387)
[   24.776633][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   24.776636][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.776643][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   24.776651][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   24.776653][   T12]  kthread (kernel/kthread.c:436)
[   24.776654][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.776657][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   24.776660][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.776663][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   24.776666][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.776670][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars