======================================
| [   12.146985][  T253] softirqs last disabled at (11163): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.146987][  T253] Preemption disabled at:
| [   12.146988][  T253] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.146997][  T253] Tainted: [W]=WARN
[   12.146998][  T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.147000][  T253] Call Trace:
[   12.147002][  T253]  <TASK>
[   12.147004][  T253]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.147009][  T253]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.147012][  T253]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.147016][  T253]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.147021][  T253]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.147026][  T253]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.147028][  T253]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.147034][  T253]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.147037][  T253]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.147040][  T253]  put_chars (drivers/char/virtio_console.c:1176)
[   12.147043][  T253]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.147047][  T253]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.147051][  T253]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.147054][  T253]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.147056][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.147058][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.147062][  T253]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.147064][  T253]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.147067][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.147071][  T253]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.147075][  T253]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.147079][  T253]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.147081][  T253]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.147084][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.147087][  T253]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.147091][  T253]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.147095][  T253]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.147097][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.147102][  T253]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.147105][  T253]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.147107][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.147109][  T253]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.147113][  T253]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.147115][  T253]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.147118][  T253]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.147122][  T253]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.147125][  T253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.147127][  T253]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.147134][  T253]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.147137][  T253]  _printk (kernel/printk/printk.c:2504)
[   12.147141][  T253]  ? snapshot_read.cold (user.c:?)
[   12.147145][  T253]  ? br_multicast_flood (??:?) bridge
[   12.147158][  T253]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.147160][  T253]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.147161][  T253]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.147165][  T253] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.147176][  T253] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.147184][  T253] new_nbp (net/bridge/br_if.c:449) bridge
[   12.147194][  T253] br_add_if (net/bridge/br_if.c:592) bridge
[   12.147201][  T253]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.147205][  T253]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.147208][  T253]  ? __kernel_text_address (kernel/extable.c:79)
[   12.147212][  T253]  do_set_master (net/core/rtnetlink.c:3071)
[   12.147217][  T253]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.147220][  T253]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.147223][  T253]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.147224][  T253]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.147227][  T253]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.147231][  T253]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.147233][  T253]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.147235][  T253]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.147238][  T253]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.147241][  T253]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.147243][  T253]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.147246][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.147248][  T253]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.147251][  T253]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.147256][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.147258][  T253]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.147260][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.147263][  T253]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.147264][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.147266][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.147268][  T253]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.147272][  T253]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.147274][  T253]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.147276][  T253]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.147280][  T253]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.147281][  T253]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.147286][  T253]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.147292][  T253]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.147297][  T253]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.147299][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.147304][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.147305][  T253]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.147308][  T253]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.147310][  T253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.147313][  T253]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.147316][  T253]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.147319][  T253]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.147320][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.147324][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.147326][  T253]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.147330][  T253]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.147332][  T253]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.147335][  T253]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.147341][  T253]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.147342][  T253]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.147347][  T253]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.147351][  T253]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.147353][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.147357][  T253]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.147361][  T253]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.147365][  T253]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.147370][  T253]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.147373][  T253]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.147375][  T253]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.147377][  T253]  ? move_addr_to_kernel (net/socket.c:258)
[   12.147384][  T253]  ___sys_sendmsg (net/socket.c:2767)
[   12.147387][  T253]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.147403][  T253]  __sys_sendmsg (net/socket.c:2799)
[   12.147406][  T253]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.147412][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.147416][  T253]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.147418][  T253]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.147422][  T253]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.147424][  T253] RIP: 0033:0x7febebe8054e
[   12.147427][  T253] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.147429][  T253] RSP: 002b:00007ffd54eefcf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.147432][  T253] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007febebe8054e
[   12.147434][  T253] RDX: 0000000000000000 RSI: 00007ffd54eefda0 RDI: 0000000000000005
[   12.147435][  T253] RBP: 00007ffd54eefd00 R08: 0000000000000000 R09: 0000000000000000
[   12.147436][  T253] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9157c2
[   12.147436][  T253] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd54ef0460
| [   18.510472][  T496] softirqs last disabled at (12114): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   18.510475][  T496] Preemption disabled at:
| [   18.510475][  T496] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.510485][  T496] Tainted: [W]=WARN
[   18.510486][  T496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.510488][  T496] Call Trace:
[   18.510490][  T496]  <TASK>
[   18.510491][  T496]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.510497][  T496]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.510499][  T496]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.510504][  T496]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.510508][  T496]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.510513][  T496]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.510515][  T496]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.510521][  T496]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.510524][  T496]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.510527][  T496]  put_chars (drivers/char/virtio_console.c:1176)
[   18.510529][  T496]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   18.510532][  T496]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.510535][  T496]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.510539][  T496]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.510542][  T496]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.510546][  T496]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.510548][  T496]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.510550][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.510552][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.510556][  T496]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.510558][  T496]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   18.510562][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.510564][  T496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.510568][  T496]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.510572][  T496]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.510574][  T496]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.510578][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.510580][  T496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.510584][  T496]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.510589][  T496]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.510590][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.510596][  T496]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.510599][  T496]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.510601][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.510603][  T496]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.510607][  T496]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.510609][  T496]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.510612][  T496]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.510617][  T496]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.510619][  T496]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.510622][  T496]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.510626][  T496]  _printk (kernel/printk/printk.c:2504)
[   18.510630][  T496]  ? snapshot_read.cold (user.c:?)
[   18.510634][  T496]  ? br_multicast_flood (??:?) bridge
[   18.510647][  T496]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.510649][  T496]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.510650][  T496]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.510655][  T496] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   18.510665][  T496] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   18.510674][  T496] new_nbp (net/bridge/br_if.c:449) bridge
[   18.510684][  T496] br_add_if (net/bridge/br_if.c:592) bridge
[   18.510691][  T496]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   18.510695][  T496]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   18.510698][  T496]  ? __kernel_text_address (kernel/extable.c:79)
[   18.510702][  T496]  do_set_master (net/core/rtnetlink.c:3071)
[   18.510707][  T496]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.510710][  T496]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.510714][  T496]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.510715][  T496]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.510717][  T496]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.510720][  T496]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.510723][  T496]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.510725][  T496]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.510728][  T496]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.510731][  T496]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.510733][  T496]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.510735][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.510737][  T496]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   18.510740][  T496]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.510745][  T496]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.510747][  T496]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.510750][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.510752][  T496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.510754][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.510756][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.510758][  T496]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.510762][  T496]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   18.510765][  T496]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.510767][  T496]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.510771][  T496]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.510773][  T496]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.510778][  T496]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.510783][  T496]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.510789][  T496]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.510791][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.510795][  T496]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.510797][  T496]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.510800][  T496]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.510802][  T496]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.510805][  T496]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.510808][  T496]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.510811][  T496]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.510812][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.510817][  T496]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.510819][  T496]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.510822][  T496]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.510824][  T496]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.510827][  T496]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.510834][  T496]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.510835][  T496]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.510840][  T496]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.510844][  T496]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.510847][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.510851][  T496]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.510855][  T496]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.510859][  T496]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.510870][  T496]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.510872][  T496]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.510875][  T496]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.510877][  T496]  ? move_addr_to_kernel (net/socket.c:258)
[   18.510884][  T496]  ___sys_sendmsg (net/socket.c:2767)
[   18.510887][  T496]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.510903][  T496]  __sys_sendmsg (net/socket.c:2799)
[   18.510906][  T496]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.510913][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.510916][  T496]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.510919][  T496]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.510922][  T496]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.510924][  T496] RIP: 0033:0x7f6818daa54e
[   18.510928][  T496] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.510929][  T496] RSP: 002b:00007fff612457e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.510932][  T496] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6818daa54e
[   18.510934][  T496] RDX: 0000000000000000 RSI: 00007fff61245890 RDI: 0000000000000005
[   18.510935][  T496] RBP: 00007fff612457f0 R08: 0000000000000000 R09: 0000000000000000
[   18.510936][  T496] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9157c8
[   18.510936][  T496] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff61245f50
| [   18.992161][  T516]
| [   18.992161][  T516]
| [   18.992161][  T516] stack backtrace:
| [   18.992167][  T516] Tainted: [W]=WARN
[   18.992168][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.992170][  T516] Call Trace:
[   18.992171][  T516]  <TASK>
[   18.992172][  T516]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.992176][  T516]  print_bad_irq_dependency (kernel/locking/lockdep.c:2632)
[   18.992179][  T516]  check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1))
[   18.992181][  T516]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.992184][  T516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.992187][  T516]  ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147)
[   18.992190][  T516]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   18.992191][  T516]  check_prev_add (kernel/locking/lockdep.c:3185)
[   18.992193][  T516]  validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924)
[   18.992195][  T516]  __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.992198][  T516]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.992199][  T516]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.992201][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.992203][  T516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.992205][  T516]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.992207][  T516]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   18.992209][  T516]  console_emit_next_record (kernel/printk/printk.c:3177)
[   18.992211][  T516]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.992213][  T516]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.992215][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.992217][  T516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.992219][  T516]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.992221][  T516]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.992223][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.992225][  T516]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.992227][  T516]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.992229][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.992231][  T516]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.992233][  T516]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.992235][  T516]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.992237][  T516]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.992239][  T516]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.992241][  T516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.992243][  T516]  _printk (kernel/printk/printk.c:2504)
[   18.992245][  T516]  ? snapshot_read.cold (user.c:?)
[   18.992247][  T516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.992249][  T516]  ? br_fdb_find (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/bridge/br_fdb.c:230 (discriminator 2)) bridge
[   18.992256][  T516] fdb_add_local.cold (net/bridge/br_fdb.c:445 (discriminator 4) net/bridge/br_fdb.c:430 (discriminator 4)) bridge
[   18.992263][  T516] br_fdb_add_local (net/bridge/br_fdb.c:961) bridge
[   18.992271][  T516] br_add_if (net/bridge/br_if.c:655) bridge
[   18.992278][  T516]  do_set_master (net/core/rtnetlink.c:3071)
[   18.992281][  T516]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.992282][  T516]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.992285][  T516]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.992286][  T516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.992288][  T516]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.992291][  T516]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.992293][  T516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.992295][  T516]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.992297][  T516]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.992300][  T516]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.992301][  T516]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.992303][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.992304][  T516]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   18.992306][  T516]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.992308][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.992309][  T516]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.992311][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.992313][  T516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.992314][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.992316][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.992318][  T516]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.992321][  T516]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   18.992322][  T516]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.992323][  T516]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.992325][  T516]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.992326][  T516]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.992329][  T516]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.992331][  T516]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.992333][  T516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.992334][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.992337][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.992338][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.992340][  T516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.992341][  T516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.992343][  T516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.992344][  T516]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.992346][  T516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.992347][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.992349][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.992351][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.992352][  T516]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.992354][  T516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.992355][  T516]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.992358][  T516]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.992359][  T516]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.992361][  T516]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.992363][  T516]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.992365][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.992367][  T516]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.992369][  T516]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.992371][  T516]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.992375][  T516]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.992377][  T516]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.992378][  T516]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.992380][  T516]  ? move_addr_to_kernel (net/socket.c:258)
[   18.992383][  T516]  ___sys_sendmsg (net/socket.c:2767)
[   18.992385][  T516]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.992390][  T516]  __sys_sendmsg (net/socket.c:2799)
[   18.992392][  T516]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.992395][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.992397][  T516]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.992398][  T516]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.992400][  T516]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.992402][  T516] RIP: 0033:0x7f630d53d54e
[   18.992405][  T516] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.992406][  T516] RSP: 002b:00007ffccbc91180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.992409][  T516] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f630d53d54e
[   18.992411][  T516] RDX: 0000000000000000 RSI: 00007ffccbc91230 RDI: 0000000000000005
[   18.992412][  T516] RBP: 00007ffccbc91190 R08: 0000000000000000 R09: 0000000000000000
[   18.992412][  T516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9157c9
[   18.992413][  T516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccbc918f0
| [   30.795439][ T1262] softirqs last disabled at (0): 0x0
| [   30.795440][ T1262] Preemption disabled at:
| [   30.795441][ T1262] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.795452][ T1262] Tainted: [W]=WARN
[   30.795453][ T1262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.795455][ T1262] Call Trace:
[   30.795456][ T1262]  <TASK>
[   30.795458][ T1262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.795463][ T1262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.795465][ T1262]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.795469][ T1262]  ? __module_address (kernel/module/main.c:3915)
[   30.795472][ T1262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.795475][ T1262]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   30.795477][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795480][ T1262]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   30.795484][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.795486][ T1262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.795490][ T1262]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.795492][ T1262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.795494][ T1262]  put_chars (drivers/char/virtio_console.c:1176)
[   30.795496][ T1262]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   30.795497][ T1262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.795499][ T1262]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   30.795501][ T1262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.795505][ T1262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.795506][ T1262]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   30.795508][ T1262]  ? vsnprintf (lib/vsprintf.c:2900)
[   30.795511][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.795513][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795514][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.795517][ T1262]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.795519][ T1262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.795521][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795523][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795525][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795526][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.795528][ T1262]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   30.795530][ T1262]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.795532][ T1262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.795535][ T1262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.795537][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.795538][ T1262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.795540][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795541][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.795543][ T1262]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.795544][ T1262]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   30.795546][ T1262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.795548][ T1262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.795550][ T1262]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.795553][ T1262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.795555][ T1262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.795557][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.795558][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.795560][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795562][ T1262]  _printk (kernel/printk/printk.c:2504)
[   30.795565][ T1262]  ? snapshot_read.cold (user.c:?)
[   30.795567][ T1262]  ? br_multicast_flood (??:?) bridge
[   30.795579][ T1262]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   30.795582][ T1262]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.795583][ T1262]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.795585][ T1262] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   30.795594][ T1262] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   30.795602][ T1262] new_nbp (net/bridge/br_if.c:449) bridge
[   30.795609][ T1262] br_add_if (net/bridge/br_if.c:592) bridge
[   30.795615][ T1262]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   30.795619][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   30.795621][ T1262]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.795623][ T1262]  ? __kernel_text_address (kernel/extable.c:79)
[   30.795625][ T1262]  do_set_master (net/core/rtnetlink.c:3071)
[   30.795628][ T1262]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   30.795630][ T1262]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.795631][ T1262]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.795632][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795634][ T1262]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.795638][ T1262]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.795641][ T1262]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.795642][ T1262]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.795644][ T1262]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.795645][ T1262]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   30.795647][ T1262]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   30.795648][ T1262]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.795649][ T1262]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.795652][ T1262]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.795653][ T1262]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.795654][ T1262]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.795657][ T1262]  ? ___sys_sendmsg (net/socket.c:2767)
[   30.795658][ T1262]  ? __sys_sendmsg (net/socket.c:2799)
[   30.795660][ T1262]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.795662][ T1262]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.795664][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795666][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.795668][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795669][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795671][ T1262]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.795674][ T1262]  ? __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)
[   30.795676][ T1262]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.795678][ T1262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.795679][ T1262]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.795680][ T1262]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.795683][ T1262]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.795685][ T1262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.795687][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795689][ T1262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.795690][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.795691][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795693][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   30.795695][ T1262]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   30.795697][ T1262]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.795698][ T1262]  ? __kernel_text_address (kernel/extable.c:79)
[   30.795699][ T1262]  ? write_profile (profile.c:?)
[   30.795700][ T1262]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.795703][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795705][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795706][ T1262]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   30.795710][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.795711][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795713][ T1262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.795715][ T1262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.795716][ T1262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.795718][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.795719][ T1262]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.795721][ T1262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.795723][ T1262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.795724][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.795726][ T1262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.795727][ T1262]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   30.795729][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795731][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.795733][ T1262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.795735][ T1262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.795737][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795739][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795740][ T1262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.795742][ T1262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.795744][ T1262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.795746][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795748][ T1262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.795750][ T1262]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.795751][ T1262]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.795753][ T1262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.795754][ T1262]  ? move_addr_to_kernel (net/socket.c:258)
[   30.795756][ T1262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.795758][ T1262]  ___sys_sendmsg (net/socket.c:2767)
[   30.795760][ T1262]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.795765][ T1262]  __sys_sendmsg (net/socket.c:2799)
[   30.795767][ T1262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.795770][ T1262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.795772][ T1262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.795773][ T1262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.795775][ T1262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.795777][ T1262] RIP: 0033:0x7f4c75f3454e
[   30.795779][ T1262] 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
[   30.795781][ T1262] RSP: 002b:00007ffd64d55a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.795784][ T1262] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4c75f3454e
[   30.795786][ T1262] RDX: 0000000000000000 RSI: 00007ffd64d55b30 RDI: 0000000000000005
[   30.795787][ T1262] RBP: 00007ffd64d55a90 R08: 0000000000000000 R09: 0000000000000000
[   30.795788][ T1262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9157d5


Finger prints:
print_bad_irq_dependency:check_irq_usage:check_prev_add:validate_chain:__lock_acquire
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars