======================================
| [   11.865005][  T237] softirqs last disabled at (17695): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.865007][  T237] Preemption disabled at:
| [   11.865008][  T237] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.865017][  T237] Tainted: [W]=WARN
[   11.865018][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.865020][  T237] Call Trace:
[   11.865021][  T237]  <TASK>
[   11.865023][  T237]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.865028][  T237]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.865030][  T237]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.865034][  T237]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.865038][  T237]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.865043][  T237]  __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))
[   11.865045][  T237]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.865051][  T237]  ? 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)
[   11.865053][  T237]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.865057][  T237]  put_chars (drivers/char/virtio_console.c:1176)
[   11.865059][  T237]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.865061][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.865066][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.865068][  T237]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.865072][  T237]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.865075][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.865080][  T237]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.865082][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.865087][  T237]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.865091][  T237]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.865092][  T237]  ? 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))
[   11.865095][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.865098][  T237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.865101][  T237]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.865105][  T237]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.865107][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.865112][  T237]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.865115][  T237]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.865116][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.865119][  T237]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.865122][  T237]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.865124][  T237]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.865127][  T237]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.865131][  T237]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.865136][  T237]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.865139][  T237]  _printk (kernel/printk/printk.c:2504)
[   11.865143][  T237]  ? snapshot_read.cold (user.c:?)
[   11.865149][  T237]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   11.865152][  T237] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.865155][  T237]  do_one_initcall (init/main.c:1357)
[   11.865157][  T237]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.865162][  T237]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.865165][  T237]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.865169][  T237]  do_init_module (kernel/module/main.c:3117)
[   11.865173][  T237]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.865177][  T237]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.865180][  T237]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.865184][  T237]  load_module (kernel/module/main.c:3593)
[   11.865191][  T237]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.865194][  T237]  ? __ia32_sys_fsconfig (??:?)
[   11.865197][  T237]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.865201][  T237]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.865204][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.865208][  T237]  init_module_from_file (kernel/module/main.c:3790)
[   11.865211][  T237]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.865219][  T237]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.865225][  T237]  ? 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)
[   11.865228][  T237]  idempotent_init_module (kernel/module/main.c:3802)
[   11.865231][  T237]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.865237][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.865239][  T237]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.865245][  T237]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.865247][  T237]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.865251][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.865253][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.865255][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.865258][  T237] RIP: 0033:0x7f4e9dce137d
[   11.865261][  T237] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.865263][  T237] RSP: 002b:00007ffc329ef4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.865265][  T237] RAX: ffffffffffffffda RBX: 00005576acd11810 RCX: 00007f4e9dce137d
[   11.865267][  T237] RDX: 0000000000000000 RSI: 0000557679ddcffd RDI: 0000000000000000
[   11.865268][  T237] RBP: 00007ffc329ef560 R08: 0000000000000000 R09: 0000000000000000
[   11.865269][  T237] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557679ddcffd
[   11.865269][  T237] R13: 00005576acd11960 R14: 0000000000040000 R15: 0000000000000000
| [   13.237277][  T285] softirqs last disabled at (17948): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.237279][  T285] Preemption disabled at:
| [   13.237280][  T285] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.237290][  T285] Tainted: [W]=WARN
[   13.237291][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.237293][  T285] Call Trace:
[   13.237295][  T285]  <TASK>
[   13.237296][  T285]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.237303][  T285]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.237305][  T285]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.237309][  T285]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.237314][  T285]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.237319][  T285]  __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))
[   13.237321][  T285]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.237327][  T285]  ? 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)
[   13.237329][  T285]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.237333][  T285]  put_chars (drivers/char/virtio_console.c:1176)
[   13.237336][  T285]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.237340][  T285]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.237344][  T285]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.237346][  T285]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.237348][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.237350][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.237353][  T285]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.237356][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.237359][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.237363][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.237367][  T285]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.237370][  T285]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.237372][  T285]  ? 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))
[   13.237375][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.237378][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.237381][  T285]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.237386][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.237387][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.237393][  T285]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.237397][  T285]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.237399][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.237401][  T285]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.237405][  T285]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.237406][  T285]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.237410][  T285]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.237414][  T285]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.237416][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.237418][  T285]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.237422][  T285]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.237425][  T285]  _printk (kernel/printk/printk.c:2504)
[   13.237429][  T285]  ? snapshot_read.cold (user.c:?)
[   13.237433][  T285]  ? br_multicast_flood (??:?) bridge
[   13.237446][  T285]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.237447][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.237449][  T285]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.237453][  T285] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.237463][  T285] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.237471][  T285] new_nbp (net/bridge/br_if.c:449) bridge
[   13.237481][  T285] br_add_if (net/bridge/br_if.c:592) bridge
[   13.237488][  T285]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.237492][  T285]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.237495][  T285]  ? __kernel_text_address (kernel/extable.c:79)
[   13.237499][  T285]  do_set_master (net/core/rtnetlink.c:3071)
[   13.237504][  T285]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.237507][  T285]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.237510][  T285]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.237511][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.237513][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.237517][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.237519][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.237521][  T285]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.237524][  T285]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.237527][  T285]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.237528][  T285]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.237531][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.237533][  T285]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.237536][  T285]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.237540][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.237542][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.237545][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.237547][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.237549][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.237550][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.237553][  T285]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.237557][  T285]  ? __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)
[   13.237558][  T285]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.237560][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.237563][  T285]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.237571][  T285]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.237579][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.237588][  T285]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.237597][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.237600][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.237605][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.237607][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.237609][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.237611][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.237614][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.237616][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.237619][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.237621][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.237625][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.237627][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.237630][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.237632][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.237635][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.237641][  T285]  ? 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))
[   13.237643][  T285]  ? 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))
[   13.237647][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.237651][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.237653][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.237657][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.237661][  T285]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.237665][  T285]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.237670][  T285]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.237672][  T285]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.237675][  T285]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.237676][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   13.237683][  T285]  ___sys_sendmsg (net/socket.c:2767)
[   13.237686][  T285]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.237701][  T285]  __sys_sendmsg (net/socket.c:2799)
[   13.237704][  T285]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.237710][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.237714][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.237716][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.237720][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.237722][  T285] RIP: 0033:0x7f7d783ea54e
[   13.237726][  T285] 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
[   13.237728][  T285] RSP: 002b:00007ffd7eb70460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.237731][  T285] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7d783ea54e
[   13.237732][  T285] RDX: 0000000000000000 RSI: 00007ffd7eb70510 RDI: 0000000000000005
[   13.237733][  T285] RBP: 00007ffd7eb70470 R08: 0000000000000000 R09: 0000000000000000
[   13.237734][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915823
[   13.237735][  T285] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7eb70bd0
| [   14.989334][  T345] softirqs last disabled at (11912): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.989337][  T345] Preemption disabled at:
| [   14.989337][  T345] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.989346][  T345] Tainted: [W]=WARN
[   14.989347][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.989349][  T345] Call Trace:
[   14.989351][  T345]  <TASK>
[   14.989353][  T345]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.989358][  T345]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.989361][  T345]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.989365][  T345]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.989369][  T345]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.989374][  T345]  __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))
[   14.989376][  T345]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.989382][  T345]  ? 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)
[   14.989385][  T345]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.989388][  T345]  put_chars (drivers/char/virtio_console.c:1176)
[   14.989390][  T345]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.989392][  T345]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.989395][  T345]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.989399][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.989401][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.989405][  T345]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.989408][  T345]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.989410][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.989411][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.989415][  T345]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.989417][  T345]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.989420][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.989422][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.989426][  T345]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.989430][  T345]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.989432][  T345]  ? 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))
[   14.989435][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.989437][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.989441][  T345]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.989445][  T345]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.989447][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.989452][  T345]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.989455][  T345]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.989457][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.989459][  T345]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.989463][  T345]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.989465][  T345]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.989468][  T345]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.989472][  T345]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.989475][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.989477][  T345]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.989481][  T345]  _printk (kernel/printk/printk.c:2504)
[   14.989485][  T345]  ? snapshot_read.cold (user.c:?)
[   14.989488][  T345]  ? br_multicast_flood (??:?) bridge
[   14.989501][  T345]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.989502][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.989504][  T345]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.989508][  T345] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.989518][  T345] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.989526][  T345] new_nbp (net/bridge/br_if.c:449) bridge
[   14.989536][  T345] br_add_if (net/bridge/br_if.c:592) bridge
[   14.989543][  T345]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.989547][  T345]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.989550][  T345]  ? __kernel_text_address (kernel/extable.c:79)
[   14.989553][  T345]  do_set_master (net/core/rtnetlink.c:3071)
[   14.989558][  T345]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.989561][  T345]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.989564][  T345]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.989565][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.989567][  T345]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.989570][  T345]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.989573][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.989580][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.989583][  T345]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.989586][  T345]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.989588][  T345]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.989591][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.989593][  T345]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.989595][  T345]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.989600][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.989602][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.989605][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.989607][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.989609][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.989610][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.989613][  T345]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.989616][  T345]  ? __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)
[   14.989619][  T345]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.989621][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.989625][  T345]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.989626][  T345]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.989631][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.989636][  T345]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.989641][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.989643][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.989647][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.989649][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.989651][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.989653][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.989656][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.989658][  T345]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.989661][  T345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.989662][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.989667][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.989669][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.989672][  T345]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.989674][  T345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.989676][  T345]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.989682][  T345]  ? 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))
[   14.989684][  T345]  ? 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))
[   14.989688][  T345]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.989691][  T345]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.989694][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.989698][  T345]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.989702][  T345]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.989705][  T345]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.989710][  T345]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.989713][  T345]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.989715][  T345]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.989717][  T345]  ? move_addr_to_kernel (net/socket.c:258)
[   14.989724][  T345]  ___sys_sendmsg (net/socket.c:2767)
[   14.989726][  T345]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.989742][  T345]  __sys_sendmsg (net/socket.c:2799)
[   14.989744][  T345]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.989750][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.989754][  T345]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.989756][  T345]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.989759][  T345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.989762][  T345] RIP: 0033:0x7fcc4080454e
[   14.989765][  T345] 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
[   14.989767][  T345] RSP: 002b:00007ffd99da9d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.989770][  T345] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcc4080454e
[   14.989771][  T345] RDX: 0000000000000000 RSI: 00007ffd99da9e40 RDI: 0000000000000005
[   14.989772][  T345] RBP: 00007ffd99da9da0 R08: 0000000000000000 R09: 0000000000000000
[   14.989773][  T345] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915825
[   14.989774][  T345] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd99daa500
| [   16.564122][  T399] softirqs last disabled at (10976): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.564124][  T399] Preemption disabled at:
| [   16.564125][  T399] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.564135][  T399] Tainted: [W]=WARN
[   16.564136][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.564137][  T399] Call Trace:
[   16.564139][  T399]  <TASK>
[   16.564140][  T399]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.564146][  T399]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.564148][  T399]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.564153][  T399]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.564157][  T399]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.564162][  T399]  __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))
[   16.564165][  T399]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.564170][  T399]  ? 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)
[   16.564173][  T399]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.564176][  T399]  put_chars (drivers/char/virtio_console.c:1176)
[   16.564178][  T399]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   16.564180][  T399]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.564183][  T399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.564187][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.564190][  T399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.564193][  T399]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.564196][  T399]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.564198][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.564199][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.564203][  T399]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.564205][  T399]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.564208][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.564211][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.564215][  T399]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.564219][  T399]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.564223][  T399]  ? 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))
[   16.564226][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.564229][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.564232][  T399]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.564237][  T399]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.564239][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.564244][  T399]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.564247][  T399]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.564248][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.564251][  T399]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.564254][  T399]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.564256][  T399]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.564259][  T399]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.564263][  T399]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.564266][  T399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.564268][  T399]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.564272][  T399]  _printk (kernel/printk/printk.c:2504)
[   16.564275][  T399]  ? snapshot_read.cold (user.c:?)
[   16.564279][  T399]  ? br_multicast_flood (??:?) bridge
[   16.564292][  T399]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.564293][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.564295][  T399]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.564300][  T399] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.564310][  T399] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.564318][  T399] new_nbp (net/bridge/br_if.c:449) bridge
[   16.564328][  T399] br_add_if (net/bridge/br_if.c:592) bridge
[   16.564335][  T399]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   16.564339][  T399]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.564342][  T399]  ? __kernel_text_address (kernel/extable.c:79)
[   16.564346][  T399]  do_set_master (net/core/rtnetlink.c:3071)
[   16.564350][  T399]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.564353][  T399]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.564356][  T399]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.564358][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.564359][  T399]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.564363][  T399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.564365][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.564367][  T399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.564370][  T399]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.564373][  T399]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.564374][  T399]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.564377][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.564379][  T399]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   16.564382][  T399]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.564386][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.564388][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.564391][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.564393][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.564394][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.564396][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.564398][  T399]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.564402][  T399]  ? __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)
[   16.564405][  T399]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.564407][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.564410][  T399]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.564412][  T399]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.564417][  T399]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.564422][  T399]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.564427][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.564429][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.564433][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.564435][  T399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.564437][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.564439][  T399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.564442][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.564444][  T399]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.564447][  T399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.564448][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.564453][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.564455][  T399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.564458][  T399]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.564460][  T399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.564462][  T399]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.564468][  T399]  ? 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))
[   16.564470][  T399]  ? 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))
[   16.564474][  T399]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.564477][  T399]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.564480][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.564484][  T399]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.564488][  T399]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.564491][  T399]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.564496][  T399]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.564499][  T399]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.564501][  T399]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.564503][  T399]  ? move_addr_to_kernel (net/socket.c:258)
[   16.564510][  T399]  ___sys_sendmsg (net/socket.c:2767)
[   16.564512][  T399]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.564527][  T399]  __sys_sendmsg (net/socket.c:2799)
[   16.564530][  T399]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.564536][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.564540][  T399]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.564542][  T399]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.564545][  T399]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.564547][  T399] RIP: 0033:0x7fd2cd19e54e
[   16.564551][  T399] 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
[   16.564552][  T399] RSP: 002b:00007fffc54fbd00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.564555][  T399] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd2cd19e54e
[   16.564557][  T399] RDX: 0000000000000000 RSI: 00007fffc54fbdb0 RDI: 0000000000000005
[   16.564558][  T399] RBP: 00007fffc54fbd10 R08: 0000000000000000 R09: 0000000000000000
[   16.564558][  T399] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915826
[   16.564559][  T399] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc54fc470
| [   28.529384][    C0] softirqs last disabled at (1049893): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.529387][    C0] Preemption disabled at:
| [   28.529388][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   28.529401][    C0] Tainted: [W]=WARN
[   28.529402][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.529404][    C0] Call Trace:
[   28.529407][    C0]  <IRQ>
[   28.529408][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.529415][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   28.529417][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.529421][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.529425][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.529428][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.529433][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.529437][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.529441][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.529446][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.529448][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.529451][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   28.529454][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.529457][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.529461][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.529466][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.529468][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.529471][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.529474][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.529478][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.529481][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.529483][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.529486][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.529489][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.529491][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.529495][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.529499][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.529501][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.529503][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.529506][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.529508][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.529510][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.529513][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.529515][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.529518][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.529521][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.529524][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.529526][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.529529][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   28.529534][    C0]  _printk (kernel/printk/printk.c:2504)
[   28.529538][    C0]  ? snapshot_read.cold (user.c:?)
[   28.529540][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.529546][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.529549][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.529551][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.529555][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.529560][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.529562][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.529565][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.529568][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.529571][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.529588][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.529591][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.529593][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.529604][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.529607][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.529618][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.529629][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.529640][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.529649][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.529652][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.529656][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.529659][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.529661][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.529664][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.529667][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.529679][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.529681][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.529685][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.529689][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.529692][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.529694][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.529698][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.529700][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.529703][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.529705][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.529709][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.529711][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.529713][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.529717][    C0]  </IRQ>
[   28.529718][    C0]  <TASK>
[   28.529719][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.529721][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.529725][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.529729][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 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 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  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 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  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
[   28.529731][    C0] RSP: 0018:ffffffff85007cf8 EFLAGS: 00000296
[   28.529735][    C0] RAX: 0000000000100523 RBX: ffffffff8501c600 RCX: ffffffff820f0307
[   28.529737][    C0] RDX: ffffffff8501c600 RSI: ffffffff84e38b01 RDI: ffffffff8488d8e0
[   28.529738][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.529740][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff0a00fa2
[   28.529741][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.529744][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.529748][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.529750][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.529753][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.529755][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.529758][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.529760][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.529763][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.529766][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.529769][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.529771][    C0]  rest_init (init/main.c:727)
[   28.529774][    C0]  ? __cpuidle_text_end (??:?)
[   28.529778][    C0]  ? rest_init (init/main.c:727)
[   28.529780][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.529785][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.529788][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.529792][    C0]  start_kernel (init/main.c:1185)
[   28.529795][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.529798][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.529801][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.633872][    C0]
| [   28.633979][    C0]
| [   28.633979][    C0] stack backtrace:
| [   28.634340][    C0] Tainted: [W]=WARN
[   28.634341][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.634343][    C0] Call Trace:
[   28.634345][    C0]  <IRQ>
[   28.634347][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.634353][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.634358][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.634363][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.634366][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.634368][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.634372][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.634374][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.634389][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.634393][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.634396][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.634407][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.634409][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.634420][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.634431][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.634442][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.634445][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.634448][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.634452][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.634455][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.634458][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.634462][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.634464][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.634476][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.634478][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.634482][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.634486][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.634489][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.634492][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.634495][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.634497][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.634501][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.634503][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.634507][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.634509][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.634511][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.634514][    C0]  </IRQ>
[   28.634514][    C0]  <TASK>
[   28.634515][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.634518][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.634521][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.634524][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 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 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  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 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  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
[   28.634526][    C0] RSP: 0018:ffffffff85007cf8 EFLAGS: 00000296
[   28.634530][    C0] RAX: 0000000000100523 RBX: ffffffff8501c600 RCX: ffffffff820f0307
[   28.634532][    C0] RDX: ffffffff8501c600 RSI: ffffffff84e38b01 RDI: ffffffff8488d8e0
[   28.634533][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.634535][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff0a00fa2
[   28.634536][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.634538][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.634542][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.634544][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.634546][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.634549][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.634551][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.634554][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.634557][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.634560][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.634562][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.634565][    C0]  rest_init (init/main.c:727)
[   28.634568][    C0]  ? __cpuidle_text_end (??:?)
[   28.634572][    C0]  ? rest_init (init/main.c:727)
[   28.634574][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.634579][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.634583][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.634587][    C0]  start_kernel (init/main.c:1185)
[   28.634589][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.634592][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.634595][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   30.118523][   T12] softirqs last disabled at (33724): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   30.118525][   T12] Preemption disabled at:
| [   30.118526][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.118537][   T12] Tainted: [W]=WARN
[   30.118538][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.118540][   T12] Workqueue: netns cleanup_net
[   30.118546][   T12] Call Trace:
[   30.118548][   T12]  <TASK>
[   30.118549][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.118554][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.118556][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.118560][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.118563][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.118567][   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))
[   30.118571][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.118574][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.118577][   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)
[   30.118579][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.118581][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   30.118583][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   30.118585][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.118587][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   30.118589][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.118593][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.118594][   T12]  ? 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)
[   30.118595][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.118597][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.118598][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.118600][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.118602][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.118605][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.118607][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.118609][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.118610][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.118612][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.118614][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   30.118615][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.118618][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.118620][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.118622][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.118624][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.118625][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.118627][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.118628][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.118630][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   30.118632][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.118634][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.118636][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.118638][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.118640][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   30.118642][   T12]  ? kthread (kernel/kthread.c:436)
[   30.118644][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   30.118647][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   30.118649][   T12]  _printk (kernel/printk/printk.c:2504)
[   30.118660][   T12]  ? snapshot_read.cold (user.c:?)
[   30.118663][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.118665][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.118667][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.118669][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   30.118671][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.118673][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   30.118674][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   30.118677][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   30.118678][   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)
[   30.118681][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   30.118684][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   30.118687][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   30.118700][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   30.118708][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   30.118715][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   30.118717][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   30.118719][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   30.118722][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   30.118724][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.118726][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[   30.118728][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.118730][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.118732][   T12]  process_one_work (kernel/workqueue.c:3387)
[   30.118735][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   30.118737][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.118739][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.118741][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   30.118744][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   30.118746][   T12]  kthread (kernel/kthread.c:436)
[   30.118747][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.118748][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   30.118750][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.118752][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   30.118753][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.118756][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars