======================================
| [   11.989847][  T246] softirqs last disabled at (21124): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.989849][  T246] Preemption disabled at:
| [   11.989850][  T246] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.989859][  T246] Tainted: [W]=WARN
[   11.989860][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.989862][  T246] Call Trace:
[   11.989864][  T246]  <TASK>
[   11.989865][  T246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.989871][  T246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.989873][  T246]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.989878][  T246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.989882][  T246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.989888][  T246]  __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))
[   11.989890][  T246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.989895][  T246]  ? 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)
[   11.989898][  T246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.989901][  T246]  put_chars (drivers/char/virtio_console.c:1176)
[   11.989904][  T246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.989908][  T246]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.989912][  T246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.989915][  T246]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.989917][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.989918][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.989922][  T246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.989924][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.989927][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.989931][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.989935][  T246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.989939][  T246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.989941][  T246]  ? 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))
[   11.989944][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.989946][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.989950][  T246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.989954][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.989956][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.989961][  T246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.989964][  T246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.989966][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.989973][  T246]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.989976][  T246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.989978][  T246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.989981][  T246]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.989985][  T246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.989987][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.989989][  T246]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.989993][  T246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.989997][  T246]  _printk (kernel/printk/printk.c:2504)
[   11.990000][  T246]  ? snapshot_read.cold (user.c:?)
[   11.990004][  T246]  ? br_multicast_flood (??:?) bridge
[   11.990017][  T246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.990019][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.990020][  T246]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.990024][  T246] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.990035][  T246] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.990043][  T246] new_nbp (net/bridge/br_if.c:449) bridge
[   11.990053][  T246] br_add_if (net/bridge/br_if.c:592) bridge
[   11.990061][  T246]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.990066][  T246]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.990069][  T246]  ? __kernel_text_address (kernel/extable.c:79)
[   11.990072][  T246]  do_set_master (net/core/rtnetlink.c:3071)
[   11.990077][  T246]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.990080][  T246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.990083][  T246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.990085][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.990087][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.990091][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.990093][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.990095][  T246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.990098][  T246]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.990101][  T246]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.990102][  T246]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.990105][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.990107][  T246]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.990110][  T246]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.990114][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.990116][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.990119][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.990121][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.990122][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.990124][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.990127][  T246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.990130][  T246]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.990132][  T246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.990134][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.990137][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.990139][  T246]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.990144][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.990149][  T246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.990154][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.990156][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.990161][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.990162][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.990165][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.990166][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.990170][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.990172][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.990175][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.990176][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.990181][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.990182][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.990186][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.990188][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.990191][  T246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.990197][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.990198][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.990202][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.990206][  T246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.990209][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.990214][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.990218][  T246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.990222][  T246]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.990227][  T246]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.990230][  T246]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.990232][  T246]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.990233][  T246]  ? move_addr_to_kernel (net/socket.c:258)
[   11.990241][  T246]  ___sys_sendmsg (net/socket.c:2767)
[   11.990243][  T246]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.990259][  T246]  __sys_sendmsg (net/socket.c:2799)
[   11.990262][  T246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.990268][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.990271][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.990274][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.990277][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.990279][  T246] RIP: 0033:0x7f389071d54e
[   11.990283][  T246] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.990284][  T246] RSP: 002b:00007ffc8d3ebff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.990287][  T246] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f389071d54e
[   11.990288][  T246] RDX: 0000000000000000 RSI: 00007ffc8d3ec0a0 RDI: 0000000000000005
[   11.990289][  T246] RBP: 00007ffc8d3ec000 R08: 0000000000000000 R09: 0000000000000000
[   11.990290][  T246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9156a2
[   11.990291][  T246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8d3ec760
| [   19.767374][  T302] softirqs last disabled at (14293): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.767376][  T302] Preemption disabled at:
| [   19.767377][  T302] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.767386][  T302] Tainted: [W]=WARN
[   19.767387][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.767389][  T302] Call Trace:
[   19.767391][  T302]  <TASK>
[   19.767392][  T302]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.767398][  T302]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.767400][  T302]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.767405][  T302]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.767409][  T302]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.767414][  T302]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   19.767416][  T302]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.767422][  T302]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.767424][  T302]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.767428][  T302]  put_chars (drivers/char/virtio_console.c:1176)
[   19.767430][  T302]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.767432][  T302]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.767437][  T302]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.767442][  T302]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.767448][  T302]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.767450][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.767453][  T302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.767462][  T302]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.767466][  T302]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.767468][  T302]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   19.767471][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.767474][  T302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.767477][  T302]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.767482][  T302]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.767484][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.767489][  T302]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.767491][  T302]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.767493][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.767496][  T302]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.767499][  T302]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.767501][  T302]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.767504][  T302]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.767508][  T302]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.767510][  T302]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.767511][  T302]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.767514][  T302]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.767516][  T302]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.767519][  T302]  ? ___sys_sendmsg (net/socket.c:2767)
[   19.767520][  T302]  ? __sys_sendmsg (net/socket.c:2799)
[   19.767522][  T302]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.767527][  T302]  _printk (kernel/printk/printk.c:2504)
[   19.767530][  T302]  ? snapshot_read.cold (user.c:?)
[   19.767535][  T302]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.767538][  T302]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.767542][  T302]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.767544][  T302]  ? netdev_notice (net/core/dev.c:13194)
[   19.767548][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.767550][  T302]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   19.767553][  T302]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   19.767554][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.767556][  T302]  ? 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)
[   19.767560][  T302]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   19.767564][  T302]  dev_set_allmulti (net/core/dev_api.c:315)
[   19.767568][  T302] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   19.767581][  T302]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   19.767587][  T302] br_del_if (net/bridge/br_if.c:732) bridge
[   19.767595][  T302]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.767598][  T302]  do_set_master (net/core/rtnetlink.c:3055)
[   19.767602][  T302]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   19.767605][  T302]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.767609][  T302]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.767610][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.767612][  T302]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.767616][  T302]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.767619][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.767621][  T302]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.767623][  T302]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.767626][  T302]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.767628][  T302]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.767631][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.767633][  T302]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   19.767634][  T302]  ? ___sys_sendmsg (net/socket.c:2757)
[   19.767638][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.767640][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.767642][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.767645][  T302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.767646][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.767648][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.767650][  T302]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.767653][  T302]  ? __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)
[   19.767655][  T302]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.767658][  T302]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.767661][  T302]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.767662][  T302]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.767667][  T302]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.767672][  T302]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.767678][  T302]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.767679][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.767684][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.767686][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.767688][  T302]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.767690][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.767693][  T302]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.767695][  T302]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.767698][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.767700][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.767704][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.767706][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.767709][  T302]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.767711][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.767714][  T302]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.767720][  T302]  ? 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))
[   19.767721][  T302]  ? 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))
[   19.767725][  T302]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.767729][  T302]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.767732][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.767736][  T302]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.767739][  T302]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.767743][  T302]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.767748][  T302]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.767751][  T302]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.767753][  T302]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.767755][  T302]  ? move_addr_to_kernel (net/socket.c:258)
[   19.767762][  T302]  ___sys_sendmsg (net/socket.c:2767)
[   19.767764][  T302]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.767780][  T302]  __sys_sendmsg (net/socket.c:2799)
[   19.767782][  T302]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.767789][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.767792][  T302]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.767794][  T302]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.767797][  T302]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.767799][  T302] RIP: 0033:0x7fb179c5a54e
[   19.767803][  T302] 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
[   19.767805][  T302] RSP: 002b:00007ffc32ca0e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.767807][  T302] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb179c5a54e
[   19.767809][  T302] RDX: 0000000000000000 RSI: 00007ffc32ca0ec0 RDI: 0000000000000005
[   19.767810][  T302] RBP: 00007ffc32ca0e20 R08: 0000000000000000 R09: 0000000000000000
[   19.767810][  T302] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9156aa
[   19.767811][  T302] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc32ca1580
| [   21.873734][  T304] softirqs last disabled at (13874): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   21.873736][  T304] Preemption disabled at:
| [   21.873737][  T304] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.873746][  T304] Tainted: [W]=WARN
[   21.873747][  T304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.873748][  T304] Call Trace:
[   21.873750][  T304]  <TASK>
[   21.873752][  T304]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.873758][  T304]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.873760][  T304]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.873764][  T304]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.873768][  T304]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.873773][  T304]  __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))
[   21.873776][  T304]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.873781][  T304]  ? 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)
[   21.873784][  T304]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.873787][  T304]  put_chars (drivers/char/virtio_console.c:1176)
[   21.873789][  T304]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   21.873791][  T304]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.873794][  T304]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.873798][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.873800][  T304]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.873804][  T304]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.873807][  T304]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.873808][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.873810][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.873814][  T304]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.873816][  T304]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   21.873819][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.873821][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.873825][  T304]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.873829][  T304]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.873831][  T304]  ? 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))
[   21.873834][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.873836][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.873840][  T304]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.873844][  T304]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.873846][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.873851][  T304]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.873854][  T304]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.873855][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.873857][  T304]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.873861][  T304]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.873863][  T304]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.873866][  T304]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.873870][  T304]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.873872][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.873875][  T304]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.873879][  T304]  _printk (kernel/printk/printk.c:2504)
[   21.873882][  T304]  ? snapshot_read.cold (user.c:?)
[   21.873886][  T304]  ? br_multicast_flood (??:?) bridge
[   21.873899][  T304]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   21.873900][  T304]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.873901][  T304]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.873906][  T304] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   21.873916][  T304] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   21.873924][  T304] new_nbp (net/bridge/br_if.c:449) bridge
[   21.873933][  T304] br_add_if (net/bridge/br_if.c:592) bridge
[   21.873941][  T304]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   21.873945][  T304]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   21.873948][  T304]  ? __kernel_text_address (kernel/extable.c:79)
[   21.873952][  T304]  do_set_master (net/core/rtnetlink.c:3071)
[   21.873957][  T304]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   21.873959][  T304]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.873962][  T304]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.873964][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.873966][  T304]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.873969][  T304]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.873972][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.873973][  T304]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.873976][  T304]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.873979][  T304]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.873981][  T304]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.873983][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.873985][  T304]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   21.873988][  T304]  ? ___sys_sendmsg (net/socket.c:2757)
[   21.873992][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.873994][  T304]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.873997][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.873999][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.874000][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.874002][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.874004][  T304]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.874008][  T304]  ? __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)
[   21.874011][  T304]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.874013][  T304]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.874016][  T304]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.874018][  T304]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.874023][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.874028][  T304]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.874033][  T304]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.874035][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.874039][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.874041][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.874043][  T304]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.874044][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.874048][  T304]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.874050][  T304]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.874053][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.874054][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.874058][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.874060][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.874063][  T304]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.874065][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.874068][  T304]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.874074][  T304]  ? 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))
[   21.874075][  T304]  ? 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))
[   21.874079][  T304]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.874083][  T304]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.874086][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.874089][  T304]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.874093][  T304]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.874097][  T304]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.874102][  T304]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.874104][  T304]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.874107][  T304]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.874108][  T304]  ? move_addr_to_kernel (net/socket.c:258)
[   21.874115][  T304]  ___sys_sendmsg (net/socket.c:2767)
[   21.874118][  T304]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.874133][  T304]  __sys_sendmsg (net/socket.c:2799)
[   21.874136][  T304]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.874142][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.874146][  T304]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.874148][  T304]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.874151][  T304]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.874153][  T304] RIP: 0033:0x7f940933f54e
[   21.874157][  T304] 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
[   21.874158][  T304] RSP: 002b:00007fff6d281700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.874161][  T304] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f940933f54e
[   21.874162][  T304] RDX: 0000000000000000 RSI: 00007fff6d2817b0 RDI: 0000000000000005
[   21.874163][  T304] RBP: 00007fff6d281710 R08: 0000000000000000 R09: 0000000000000000
[   21.874164][  T304] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9156ac
[   21.874165][  T304] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6d281e70
| [   37.253325][    C3] softirqs last disabled at (803949): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   37.253327][    C3] Preemption disabled at:
| [   37.253328][    C3] 0x0
| [   37.253340][    C3] Tainted: [W]=WARN
[   37.253341][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.253343][    C3] Call Trace:
[   37.253345][    C3]  <IRQ>
[   37.253347][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.253353][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.253357][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.253360][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   37.253363][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.253367][    C3]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   37.253371][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.253373][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.253377][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.253379][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.253381][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   37.253383][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.253385][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   37.253388][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.253392][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.253393][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.253395][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.253397][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.253400][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.253402][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.253404][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.253405][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.253407][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   37.253409][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.253411][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.253414][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.253416][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.253418][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.253419][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.253421][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.253422][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   37.253424][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.253426][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.253428][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.253431][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.253433][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.253444][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.253446][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.253453][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.253459][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   37.253463][    C3]  _printk (kernel/printk/printk.c:2504)
[   37.253466][    C3]  ? snapshot_read.cold (user.c:?)
[   37.253467][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   37.253472][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.253474][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   37.253476][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   37.253478][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   37.253481][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   37.253483][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   37.253485][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   37.253487][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.253489][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.253495][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.253497][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.253499][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.253505][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   37.253507][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.253513][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.253520][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.253526][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   37.253529][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   37.253531][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   37.253535][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.253537][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.253538][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.253541][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   37.253542][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.253549][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   37.253558][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.253561][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.253564][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   37.253566][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   37.253568][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.253570][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.253572][    C3]  handle_softirqs (kernel/softirq.c:645)
[   37.253574][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.253576][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   37.253578][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   37.253579][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   37.253581][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   37.253584][    C3]  </IRQ>
[   37.253585][    C3]  <TASK>
[   37.253585][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   37.253587][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   37.253589][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   37.253592][    C3] 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
[   37.253594][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   37.253598][    C3] RAX: 00000000000c446b RBX: ff11000001c88040 RCX: ffffffffae8f0307
[   37.253599][    C3] RDX: ff11000001c88040 RSI: ffffffffb1638b01 RDI: ffffffffb108d8e0
[   37.253600][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   37.253601][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   37.253602][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   37.253603][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.253607][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   37.253609][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   37.253611][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.253612][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   37.253614][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   37.253616][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.253617][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.253620][    C3]  do_idle (kernel/sched/idle.c:355)
[   37.253621][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   37.253623][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   37.253625][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   37.253627][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   37.312518][    C3]
| [   37.312598][    C3]
| [   37.312598][    C3] stack backtrace:
| [   37.312776][    C3] Tainted: [W]=WARN
[   37.312778][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.312779][    C3] Call Trace:
[   37.312780][    C3]  <IRQ>
[   37.312783][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.312787][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   37.312791][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   37.312794][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   37.312796][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   37.312797][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   37.312799][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.312801][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.312808][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.312811][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.312813][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.312820][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   37.312821][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.312828][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.312834][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.312840][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   37.312843][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   37.312844][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   37.312848][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.312850][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.312852][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.312854][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   37.312856][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.312863][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   37.312865][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.312868][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.312870][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   37.312872][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   37.312874][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.312876][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.312878][    C3]  handle_softirqs (kernel/softirq.c:645)
[   37.312880][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.312882][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   37.312884][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   37.312885][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   37.312887][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   37.312888][    C3]  </IRQ>
[   37.312889][    C3]  <TASK>
[   37.312890][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   37.312891][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   37.312893][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   37.312895][    C3] 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
[   37.312897][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   37.312900][    C3] RAX: 00000000000c446b RBX: ff11000001c88040 RCX: ffffffffae8f0307
[   37.312902][    C3] RDX: ff11000001c88040 RSI: ffffffffb1638b01 RDI: ffffffffb108d8e0
[   37.312902][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   37.312903][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   37.312904][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   37.312906][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.312908][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   37.312910][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   37.312911][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.312913][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   37.312915][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   37.312917][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.312918][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.312920][    C3]  do_idle (kernel/sched/idle.c:355)
[   37.312921][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   37.312923][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   37.312924][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   37.312926][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   40.763863][  T411] softirqs last disabled at (0): 0x0
| [   40.763865][  T411] Preemption disabled at:
| [   40.763866][  T411] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.763877][  T411] Tainted: [W]=WARN
[   40.763878][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.763880][  T411] Call Trace:
[   40.763881][  T411]  <TASK>
[   40.763882][  T411]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.763887][  T411]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.763889][  T411]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.763893][  T411]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.763896][  T411]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   40.763899][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.763902][  T411]  __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))
[   40.763905][  T411]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   40.763908][  T411]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.763912][  T411]  ? 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)
[   40.763913][  T411]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.763915][  T411]  put_chars (drivers/char/virtio_console.c:1176)
[   40.763917][  T411]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.763918][  T411]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   40.763921][  T411]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.763924][  T411]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.763925][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.763927][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.763929][  T411]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.763932][  T411]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.763933][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.763935][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.763937][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.763938][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.763940][  T411]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   40.763942][  T411]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.763944][  T411]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.763947][  T411]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.763948][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.763950][  T411]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.763951][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.763953][  T411]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.763954][  T411]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   40.763956][  T411]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   40.763958][  T411]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.763960][  T411]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.763962][  T411]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.763964][  T411]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.763966][  T411]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.763969][  T411]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.763971][  T411]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.763973][  T411]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.763975][  T411]  ? ___sys_sendmsg (net/socket.c:2767)
[   40.763977][  T411]  ? __sys_sendmsg (net/socket.c:2799)
[   40.763978][  T411]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.763982][  T411]  _printk (kernel/printk/printk.c:2504)
[   40.763985][  T411]  ? snapshot_read.cold (user.c:?)
[   40.763987][  T411]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.763990][  T411]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.763991][  T411]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.763993][  T411]  ? netdev_notice (net/core/dev.c:13194)
[   40.763995][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.763997][  T411]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   40.763998][  T411]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   40.764001][  T411]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   40.764002][  T411]  ? 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)
[   40.764004][  T411]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   40.764007][  T411]  dev_set_allmulti (net/core/dev_api.c:315)
[   40.764010][  T411] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   40.764022][  T411]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   40.764026][  T411]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   40.764028][  T411] br_del_if (net/bridge/br_if.c:732) bridge
[   40.764036][  T411]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.764038][  T411]  do_set_master (net/core/rtnetlink.c:3055)
[   40.764040][  T411]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   40.764042][  T411]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.764045][  T411]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.764046][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.764048][  T411]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   40.764052][  T411]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.764054][  T411]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.764056][  T411]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.764057][  T411]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   40.764059][  T411]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   40.764060][  T411]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   40.764061][  T411]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.764062][  T411]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.764064][  T411]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.764065][  T411]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.764066][  T411]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.764068][  T411]  ? ___sys_sendmsg (net/socket.c:2767)
[   40.764069][  T411]  ? __sys_sendmsg (net/socket.c:2799)
[   40.764070][  T411]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.764071][  T411]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.764074][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.764076][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.764077][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.764079][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.764081][  T411]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.764083][  T411]  ? __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)
[   40.764085][  T411]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.764086][  T411]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.764088][  T411]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.764089][  T411]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.764091][  T411]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.764093][  T411]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.764095][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.764097][  T411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.764098][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.764099][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.764101][  T411]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   40.764103][  T411]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   40.764105][  T411]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   40.764106][  T411]  ? __kernel_text_address (kernel/extable.c:79)
[   40.764107][  T411]  ? write_profile (profile.c:?)
[   40.764108][  T411]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   40.764111][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.764112][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.764114][  T411]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   40.764117][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.764119][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.764121][  T411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.764122][  T411]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.764123][  T411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.764125][  T411]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   40.764126][  T411]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   40.764128][  T411]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.764130][  T411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.764131][  T411]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.764133][  T411]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.764134][  T411]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   40.764136][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.764138][  T411]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.764140][  T411]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.764142][  T411]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.764143][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.764145][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.764147][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.764148][  T411]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.764150][  T411]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.764152][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.764154][  T411]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.764156][  T411]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.764157][  T411]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.764159][  T411]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   40.764160][  T411]  ? move_addr_to_kernel (net/socket.c:258)
[   40.764162][  T411]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   40.764164][  T411]  ___sys_sendmsg (net/socket.c:2767)
[   40.764166][  T411]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.764170][  T411]  __sys_sendmsg (net/socket.c:2799)
[   40.764172][  T411]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.764175][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.764177][  T411]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.764178][  T411]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.764180][  T411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.764182][  T411] RIP: 0033:0x7f7d2b4ed54e
[   40.764184][  T411] 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
[   40.764185][  T411] RSP: 002b:00007ffd9e22c790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.764189][  T411] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7d2b4ed54e
[   40.764191][  T411] RDX: 0000000000000000 RSI: 00007ffd9e22c840 RDI: 0000000000000005
[   40.764191][  T411] RBP: 00007ffd9e22c7a0 R08: 0000000000000000 R09: 0000000000000000
[   40.764192][  T411] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9156bf
[   40.764193][  T411] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9e22cf00
| [   42.847693][  T414] softirqs last disabled at (0): 0x0
| [   42.847695][  T414] Preemption disabled at:
| [   42.847695][  T414] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.847706][  T414] Tainted: [W]=WARN
[   42.847707][  T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.847708][  T414] Call Trace:
[   42.847710][  T414]  <TASK>
[   42.847711][  T414]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.847716][  T414]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.847718][  T414]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.847722][  T414]  ? __module_address (kernel/module/main.c:3915)
[   42.847726][  T414]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.847729][  T414]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   42.847731][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847734][  T414]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   42.847737][  T414]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.847739][  T414]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.847743][  T414]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   42.847745][  T414]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.847747][  T414]  put_chars (drivers/char/virtio_console.c:1176)
[   42.847748][  T414]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   42.847750][  T414]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.847751][  T414]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   42.847754][  T414]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.847757][  T414]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.847758][  T414]  ? 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)
[   42.847760][  T414]  ? vsnprintf (lib/vsprintf.c:2900)
[   42.847763][  T414]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.847765][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847767][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.847769][  T414]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.847771][  T414]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.847773][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847775][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847776][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847778][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.847780][  T414]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   42.847781][  T414]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.847784][  T414]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.847786][  T414]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.847788][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.847790][  T414]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.847791][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847793][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.847794][  T414]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   42.847796][  T414]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   42.847798][  T414]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.847799][  T414]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.847801][  T414]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.847804][  T414]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.847806][  T414]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.847807][  T414]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   42.847809][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.847811][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847813][  T414]  _printk (kernel/printk/printk.c:2504)
[   42.847816][  T414]  ? snapshot_read.cold (user.c:?)
[   42.847818][  T414]  ? br_multicast_flood (??:?) bridge
[   42.847831][  T414]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   42.847833][  T414]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.847834][  T414]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.847836][  T414] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   42.847845][  T414] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   42.847853][  T414] new_nbp (net/bridge/br_if.c:449) bridge
[   42.847861][  T414] br_add_if (net/bridge/br_if.c:592) bridge
[   42.847867][  T414]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   42.847870][  T414]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   42.847872][  T414]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   42.847875][  T414]  ? __kernel_text_address (kernel/extable.c:79)
[   42.847877][  T414]  do_set_master (net/core/rtnetlink.c:3071)
[   42.847879][  T414]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   42.847881][  T414]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.847882][  T414]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.847884][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847885][  T414]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   42.847889][  T414]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.847892][  T414]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.847894][  T414]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.847895][  T414]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   42.847897][  T414]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   42.847898][  T414]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   42.847899][  T414]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.847900][  T414]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.847903][  T414]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.847904][  T414]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.847905][  T414]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.847908][  T414]  ? ___sys_sendmsg (net/socket.c:2767)
[   42.847909][  T414]  ? __sys_sendmsg (net/socket.c:2799)
[   42.847911][  T414]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.847913][  T414]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.847915][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847917][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.847918][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847920][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847922][  T414]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.847925][  T414]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   42.847927][  T414]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.847928][  T414]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.847930][  T414]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.847931][  T414]  ? nla_get_range_signed (lib/nlattr.c:270)
[   42.847933][  T414]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.847935][  T414]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.847937][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847939][  T414]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.847940][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.847942][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847944][  T414]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   42.847945][  T414]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   42.847947][  T414]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   42.847948][  T414]  ? __kernel_text_address (kernel/extable.c:79)
[   42.847949][  T414]  ? write_profile (profile.c:?)
[   42.847951][  T414]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   42.847953][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847955][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847957][  T414]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   42.847960][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.847962][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847963][  T414]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.847965][  T414]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.847966][  T414]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.847968][  T414]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   42.847969][  T414]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   42.847972][  T414]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.847973][  T414]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.847974][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.847976][  T414]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.847977][  T414]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   42.847980][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847981][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.847983][  T414]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.847985][  T414]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.847987][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847988][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847990][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.847992][  T414]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.847994][  T414]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.847995][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.847997][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.847999][  T414]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.848000][  T414]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.848002][  T414]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   42.848004][  T414]  ? move_addr_to_kernel (net/socket.c:258)
[   42.848005][  T414]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   42.848007][  T414]  ___sys_sendmsg (net/socket.c:2767)
[   42.848009][  T414]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.848014][  T414]  __sys_sendmsg (net/socket.c:2799)
[   42.848016][  T414]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.848018][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.848020][  T414]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.848022][  T414]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.848024][  T414]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.848025][  T414] RIP: 0033:0x7f36fdf0254e
[   42.848027][  T414] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   42.848029][  T414] RSP: 002b:00007ffe0c5ce910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.848033][  T414] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f36fdf0254e
[   42.848034][  T414] RDX: 0000000000000000 RSI: 00007ffe0c5ce9c0 RDI: 0000000000000005
[   42.848035][  T414] RBP: 00007ffe0c5ce920 R08: 0000000000000000 R09: 0000000000000000
[   42.848036][  T414] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9156c1
[   42.848037][  T414] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0c5cf080
| [   45.175752][  T456] softirqs last disabled at (0): 0x0
| [   45.175754][  T456] Preemption disabled at:
| [   45.175755][  T456] 0x0
| [   45.175763][  T456] Tainted: [W]=WARN
[   45.175764][  T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.175767][  T456] Call Trace:
[   45.175768][  T456]  <TASK>
[   45.175769][  T456]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.175775][  T456]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.175779][  T456]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.175783][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.175787][  T456]  __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))
[   45.175790][  T456]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.175793][  T456]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.175797][  T456]  ? 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)
[   45.175798][  T456]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.175801][  T456]  put_chars (drivers/char/virtio_console.c:1176)
[   45.175803][  T456]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.175804][  T456]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   45.175808][  T456]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.175811][  T456]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.175814][  T456]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.175815][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.175817][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.175819][  T456]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.175822][  T456]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.175824][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.175826][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.175827][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.175829][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.175831][  T456]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   45.175833][  T456]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.175835][  T456]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.175838][  T456]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.175839][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.175841][  T456]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.175843][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.175844][  T456]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.175846][  T456]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.175847][  T456]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   45.175849][  T456]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.175851][  T456]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.175853][  T456]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.175856][  T456]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.175857][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.175859][  T456]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.175862][  T456]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   45.175863][  T456]  _printk (kernel/printk/printk.c:2504)
[   45.175867][  T456]  ? snapshot_read.cold (user.c:?)
[   45.175869][  T456]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   45.175874][  T456] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   45.175888][  T456] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   45.175896][  T456] br_device_event (net/bridge/br.c:111) bridge
[   45.175906][  T456]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   45.175910][  T456]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   45.175912][  T456]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   45.175915][  T456]  notifier_call_chain (kernel/notifier.c:85)
[   45.175918][  T456]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   45.175922][  T456]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.175924][  T456]  ? netif_change_name (net/core/dev.c:1517)
[   45.175926][  T456]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   45.175928][  T456]  ? __kernel_text_address (kernel/extable.c:79)
[   45.175930][  T456]  ? write_profile (profile.c:?)
[   45.175932][  T456]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.175935][  T456]  netif_change_flags (net/core/dev.c:9882)
[   45.175938][  T456]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   45.175940][  T456]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.175942][  T456]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.175943][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.175945][  T456]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.175949][  T456]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.175952][  T456]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.175953][  T456]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.175955][  T456]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.175956][  T456]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   45.175958][  T456]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   45.175959][  T456]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.175960][  T456]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.175963][  T456]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.175964][  T456]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.175966][  T456]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.175968][  T456]  ? ___sys_sendmsg (net/socket.c:2767)
[   45.175970][  T456]  ? __sys_sendmsg (net/socket.c:2799)
[   45.175972][  T456]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.175974][  T456]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.175976][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.175978][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.175979][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.175981][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.175983][  T456]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.175986][  T456]  ? __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)
[   45.175988][  T456]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.175989][  T456]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.175991][  T456]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.175993][  T456]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.175995][  T456]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.175997][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.175999][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.176000][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.176001][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.176003][  T456]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   45.176007][  T456]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   45.176008][  T456]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   45.176010][  T456]  ? __kernel_text_address (kernel/extable.c:79)
[   45.176011][  T456]  ? write_profile (profile.c:?)
[   45.176012][  T456]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.176013][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.176015][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.176017][  T456]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   45.176020][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.176022][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.176024][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.176025][  T456]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.176026][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.176028][  T456]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.176029][  T456]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.176032][  T456]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.176033][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.176035][  T456]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.176036][  T456]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.176037][  T456]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   45.176040][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.176042][  T456]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.176044][  T456]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.176046][  T456]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.176047][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.176049][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.176051][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.176053][  T456]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.176055][  T456]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.176056][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.176058][  T456]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.176060][  T456]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.176062][  T456]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.176063][  T456]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   45.176065][  T456]  ? move_addr_to_kernel (net/socket.c:258)
[   45.176066][  T456]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.176069][  T456]  ___sys_sendmsg (net/socket.c:2767)
[   45.176071][  T456]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.176076][  T456]  __sys_sendmsg (net/socket.c:2799)
[   45.176077][  T456]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.176080][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.176082][  T456]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.176084][  T456]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.176086][  T456]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.176088][  T456] RIP: 0033:0x7f82c834854e
[   45.176089][  T456] 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
[   45.176091][  T456] RSP: 002b:00007ffe1a10bdc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.176095][  T456] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f82c834854e
[   45.176096][  T456] RDX: 0000000000000000 RSI: 00007ffe1a10be70 RDI: 0000000000000005
[   45.176097][  T456] RBP: 00007ffe1a10bdd0 R08: 0000000000000000 R09: 0000000000000000
[   45.176098][  T456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9156c3


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