======================================
| [   11.035395][  T254] softirqs last disabled at (14114): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.035398][  T254] Preemption disabled at:
| [   11.035399][  T254] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.035408][  T254] Tainted: [W]=WARN
[   11.035409][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.035411][  T254] Call Trace:
[   11.035412][  T254]  <TASK>
[   11.035414][  T254]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.035420][  T254]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.035422][  T254]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.035427][  T254]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.035431][  T254]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.035436][  T254]  __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))
[   11.035439][  T254]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.035444][  T254]  ? 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)
[   11.035447][  T254]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.035450][  T254]  put_chars (drivers/char/virtio_console.c:1176)
[   11.035453][  T254]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.035457][  T254]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.035461][  T254]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.035464][  T254]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.035466][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.035467][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.035471][  T254]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.035473][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.035476][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.035481][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.035485][  T254]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.035488][  T254]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.035490][  T254]  ? 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))
[   11.035493][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.035496][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.035500][  T254]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.035504][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.035506][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.035511][  T254]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.035514][  T254]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.035516][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.035518][  T254]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.035522][  T254]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.035524][  T254]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.035527][  T254]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.035531][  T254]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.035533][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.035535][  T254]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.035539][  T254]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.035543][  T254]  _printk (kernel/printk/printk.c:2504)
[   11.035547][  T254]  ? snapshot_read.cold (user.c:?)
[   11.035551][  T254]  ? br_multicast_flood (??:?) bridge
[   11.035564][  T254]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.035566][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.035567][  T254]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.035571][  T254] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.035581][  T254] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.035590][  T254] new_nbp (net/bridge/br_if.c:449) bridge
[   11.035599][  T254] br_add_if (net/bridge/br_if.c:592) bridge
[   11.035606][  T254]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.035610][  T254]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.035613][  T254]  ? __kernel_text_address (kernel/extable.c:79)
[   11.035617][  T254]  do_set_master (net/core/rtnetlink.c:3071)
[   11.035622][  T254]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.035625][  T254]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.035628][  T254]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.035629][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.035632][  T254]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.035636][  T254]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.035639][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.035640][  T254]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.035643][  T254]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.035646][  T254]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.035648][  T254]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.035650][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.035652][  T254]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.035655][  T254]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.035660][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.035662][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.035664][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.035667][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.035668][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.035670][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.035672][  T254]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.035676][  T254]  ? __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)
[   11.035678][  T254]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.035680][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.035684][  T254]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.035685][  T254]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.035690][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.035695][  T254]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.035701][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.035703][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.035707][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.035709][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.035711][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.035713][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.035717][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.035719][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.035722][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.035723][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.035728][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.035729][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.035733][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.035735][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.035738][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.035744][  T254]  ? 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))
[   11.035745][  T254]  ? 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))
[   11.035749][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.035753][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.035756][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.035760][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.035764][  T254]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.035767][  T254]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.035773][  T254]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.035775][  T254]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.035777][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.035779][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   11.035786][  T254]  ___sys_sendmsg (net/socket.c:2767)
[   11.035789][  T254]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.035805][  T254]  __sys_sendmsg (net/socket.c:2799)
[   11.035808][  T254]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.035814][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.035818][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.035820][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.035823][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.035825][  T254] RIP: 0033:0x7f4d41fe454e
[   11.035829][  T254] 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
[   11.035831][  T254] RSP: 002b:00007ffe4538a100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.035834][  T254] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4d41fe454e
[   11.035835][  T254] RDX: 0000000000000000 RSI: 00007ffe4538a1b0 RDI: 0000000000000005
[   11.035836][  T254] RBP: 00007ffe4538a110 R08: 0000000000000000 R09: 0000000000000000
[   11.035837][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9180ef
[   11.035838][  T254] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4538a870
| [   17.331620][  T316] softirqs last disabled at (16549): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.331622][  T316] Preemption disabled at:
| [   17.331623][  T316] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.331632][  T316] Tainted: [W]=WARN
[   17.331633][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.331634][  T316] Call Trace:
[   17.331636][  T316]  <TASK>
[   17.331637][  T316]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.331643][  T316]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.331645][  T316]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.331649][  T316]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.331653][  T316]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.331658][  T316]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.331660][  T316]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.331666][  T316]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.331669][  T316]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.331672][  T316]  put_chars (drivers/char/virtio_console.c:1176)
[   17.331675][  T316]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.331676][  T316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.331681][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.331683][  T316]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.331687][  T316]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.331690][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.331695][  T316]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.331697][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.331702][  T316]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.331706][  T316]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.331708][  T316]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.331711][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.331713][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.331716][  T316]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.331720][  T316]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.331722][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.331727][  T316]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.331730][  T316]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.331731][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.331734][  T316]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.331737][  T316]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.331739][  T316]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.331742][  T316]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.331746][  T316]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.331749][  T316]  ? netdev_run_todo (net/core/dev.c:11776)
[   17.331753][  T316]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   17.331756][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.331760][  T316]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   17.331763][  T316]  _printk (kernel/printk/printk.c:2504)
[   17.331766][  T316]  ? snapshot_read.cold (user.c:?)
[   17.331768][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.331771][  T316]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   17.331773][  T316]  ? __up_write (kernel/locking/rwsem.c:1415)
[   17.331774][  T316]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   17.331778][  T316]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   17.331780][  T316] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   17.331783][  T316]  do_one_initcall (init/main.c:1357)
[   17.331786][  T316]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.331790][  T316]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.331793][  T316]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.331798][  T316]  do_init_module (kernel/module/main.c:3117)
[   17.331801][  T316]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.331805][  T316]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.331808][  T316]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.331812][  T316]  load_module (kernel/module/main.c:3593)
[   17.331819][  T316]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.331823][  T316]  ? __ia32_sys_fsconfig (??:?)
[   17.331825][  T316]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   17.331829][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.331831][  T316]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.331834][  T316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.331838][  T316]  init_module_from_file (kernel/module/main.c:3790)
[   17.331841][  T316]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.331848][  T316]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.331852][  T316]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.331855][  T316]  idempotent_init_module (kernel/module/main.c:3802)
[   17.331858][  T316]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.331864][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.331866][  T316]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.331872][  T316]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.331874][  T316]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.331877][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.331880][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.331882][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.331884][  T316] RIP: 0033:0x7f64d12fb37d
[   17.331887][  T316] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.331889][  T316] RSP: 002b:00007ffe84cd68b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.331892][  T316] RAX: ffffffffffffffda RBX: 00005626b6445810 RCX: 00007f64d12fb37d
[   17.331893][  T316] RDX: 0000000000000000 RSI: 00005626a6054ffd RDI: 0000000000000000
[   17.331894][  T316] RBP: 00007ffe84cd6950 R08: 0000000000000000 R09: 0000000000000000
[   17.331895][  T316] R10: 0000000000000000 R11: 0000000000000246 R12: 00005626a6054ffd
[   17.331896][  T316] R13: 00005626b6445960 R14: 0000000000040000 R15: 0000000000000000
| [   26.483376][    C2] softirqs last disabled at (735243): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.483377][    C2] Preemption disabled at:
| [   26.483378][    C2] 0x0
| [   26.483388][    C2] Tainted: [W]=WARN
[   26.483393][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.483394][    C2] Call Trace:
[   26.483396][    C2]  <IRQ>
[   26.483398][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.483403][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.483407][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.483410][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.483413][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483417][    C2]  __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))
[   26.483420][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.483423][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.483426][    C2]  ? 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)
[   26.483428][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.483430][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   26.483432][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.483433][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.483437][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.483440][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.483441][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483443][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.483445][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.483448][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.483450][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483451][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483453][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.483455][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.483456][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.483458][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.483461][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.483463][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.483464][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.483466][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483467][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.483469][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.483470][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.483472][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.483474][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.483477][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.483478][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.483490][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.483492][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.483498][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.483504][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   26.483508][    C2]  _printk (kernel/printk/printk.c:2504)
[   26.483511][    C2]  ? snapshot_read.cold (user.c:?)
[   26.483513][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.483517][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.483519][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.483521][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.483524][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.483526][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.483528][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.483530][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.483532][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.483533][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.483540][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483542][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.483544][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.483550][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.483551][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.483558][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.483565][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.483571][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.483574][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.483576][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.483579][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.483581][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.483583][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483585][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.483587][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.483594][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.483595][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.483598][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.483600][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.483602][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.483604][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.483606][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483608][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.483610][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.483611][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.483613][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.483615][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.483616][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.483619][    C2]  </IRQ>
[   26.483620][    C2]  <TASK>
[   26.483620][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.483622][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.483624][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.483626][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   26.483628][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   26.483631][    C2] RAX: 00000000000b3809 RBX: ff11000001bec6c0 RCX: ffffffffaeaf0307
[   26.483632][    C2] RDX: ff11000001bec6c0 RSI: ffffffffb1838af6 RDI: ffffffffb128d8e0
[   26.483633][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.483634][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   26.483635][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.483636][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.483639][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.483641][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   26.483643][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.483644][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   26.483646][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.483648][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483650][    C2]  do_idle (kernel/sched/idle.c:355)
[   26.483652][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.483653][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.483655][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.483657][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   26.543723][    C2]
| [   26.543788][    C2]
| [   26.543788][    C2] stack backtrace:
| [   26.544001][    C2] Tainted: [W]=WARN
[   26.544002][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.544003][    C2] Call Trace:
[   26.544004][    C2]  <IRQ>
[   26.544005][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.544008][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.544011][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.544014][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.544016][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.544017][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.544020][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.544021][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.544028][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.544031][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.544033][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.544039][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.544041][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.544047][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.544053][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.544059][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.544061][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.544063][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.544066][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.544068][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.544070][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.544072][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.544074][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.544080][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.544082][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.544085][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.544087][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.544089][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.544091][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.544093][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.544095][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.544097][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.544098][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.544100][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.544101][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.544103][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.544105][    C2]  </IRQ>
[   26.544105][    C2]  <TASK>
[   26.544106][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.544108][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.544109][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.544111][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   26.544112][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   26.544114][    C2] RAX: 00000000000b3809 RBX: ff11000001bec6c0 RCX: ffffffffaeaf0307
[   26.544115][    C2] RDX: ff11000001bec6c0 RSI: ffffffffb1838af6 RDI: ffffffffb128d8e0
[   26.544116][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.544117][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   26.544118][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.544119][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.544121][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.544123][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   26.544124][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.544126][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   26.544128][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.544129][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.544131][    C2]  do_idle (kernel/sched/idle.c:355)
[   26.544133][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.544134][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.544136][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.544138][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   43.892767][  T504] softirqs last disabled at (0): 0x0
| [   43.892769][  T504] Preemption disabled at:
| [   43.892769][  T504] 0x0
| [   43.892778][  T504] Tainted: [W]=WARN
[   43.892779][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.892780][  T504] Call Trace:
[   43.892782][  T504]  <TASK>
[   43.892783][  T504]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.892789][  T504]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.892793][  T504]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.892797][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.892801][  T504]  __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))
[   43.892804][  T504]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.892807][  T504]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.892811][  T504]  ? 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)
[   43.892813][  T504]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.892815][  T504]  put_chars (drivers/char/virtio_console.c:1176)
[   43.892817][  T504]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.892818][  T504]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   43.892822][  T504]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.892825][  T504]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.892828][  T504]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.892829][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.892831][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.892833][  T504]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.892836][  T504]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.892838][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.892839][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.892841][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.892843][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.892844][  T504]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.892846][  T504]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.892848][  T504]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.892851][  T504]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.892853][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.892854][  T504]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.892856][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.892857][  T504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.892859][  T504]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.892860][  T504]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   43.892862][  T504]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.892864][  T504]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.892866][  T504]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.892868][  T504]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.892870][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.892872][  T504]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.892874][  T504]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   43.892876][  T504]  _printk (kernel/printk/printk.c:2504)
[   43.892880][  T504]  ? snapshot_read.cold (user.c:?)
[   43.892882][  T504]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   43.892886][  T504] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   43.892899][  T504] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   43.892907][  T504] br_device_event (net/bridge/br.c:111) bridge
[   43.892917][  T504]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   43.892920][  T504]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   43.892922][  T504]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   43.892926][  T504]  notifier_call_chain (kernel/notifier.c:85)
[   43.892929][  T504]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   43.892933][  T504]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.892934][  T504]  ? netif_change_name (net/core/dev.c:1517)
[   43.892936][  T504]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   43.892938][  T504]  ? __kernel_text_address (kernel/extable.c:79)
[   43.892940][  T504]  ? write_profile (profile.c:?)
[   43.892943][  T504]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.892946][  T504]  netif_change_flags (net/core/dev.c:9882)
[   43.892948][  T504]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   43.892951][  T504]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.892952][  T504]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.892954][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.892955][  T504]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.892959][  T504]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.892962][  T504]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.892964][  T504]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.892965][  T504]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   43.892966][  T504]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   43.892968][  T504]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   43.892969][  T504]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.892970][  T504]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.892973][  T504]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.892974][  T504]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.892975][  T504]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.892978][  T504]  ? ___sys_sendmsg (net/socket.c:2767)
[   43.892979][  T504]  ? __sys_sendmsg (net/socket.c:2799)
[   43.892981][  T504]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.892983][  T504]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.892986][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.892988][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.892989][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.892991][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.892992][  T504]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.892995][  T504]  ? __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)
[   43.892997][  T504]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.892998][  T504]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.893000][  T504]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.893002][  T504]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.893004][  T504]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.893006][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.893008][  T504]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.893009][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.893010][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.893012][  T504]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   43.893016][  T504]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.893017][  T504]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.893019][  T504]  ? __kernel_text_address (kernel/extable.c:79)
[   43.893020][  T504]  ? write_profile (profile.c:?)
[   43.893021][  T504]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.893022][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.893024][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.893026][  T504]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   43.893029][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.893031][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.893032][  T504]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.893034][  T504]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.893035][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.893037][  T504]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.893038][  T504]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.893040][  T504]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.893042][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.893043][  T504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.893045][  T504]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.893046][  T504]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   43.893048][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.893050][  T504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.893052][  T504]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.893054][  T504]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.893056][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.893057][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.893059][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.893061][  T504]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.893063][  T504]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.893064][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.893066][  T504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.893068][  T504]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.893070][  T504]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.893071][  T504]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.893073][  T504]  ? move_addr_to_kernel (net/socket.c:258)
[   43.893074][  T504]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.893077][  T504]  ___sys_sendmsg (net/socket.c:2767)
[   43.893079][  T504]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.893083][  T504]  __sys_sendmsg (net/socket.c:2799)
[   43.893085][  T504]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.893088][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.893090][  T504]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.893091][  T504]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.893094][  T504]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.893095][  T504] RIP: 0033:0x7fc87f59154e
[   43.893097][  T504] 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
[   43.893099][  T504] RSP: 002b:00007fff4a3a7720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.893102][  T504] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc87f59154e
[   43.893104][  T504] RDX: 0000000000000000 RSI: 00007fff4a3a77d0 RDI: 0000000000000005
[   43.893104][  T504] RBP: 00007fff4a3a7730 R08: 0000000000000000 R09: 0000000000000000
[   43.893105][  T504] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918110


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
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars