======================================
| [   12.117479][  T261] softirqs last disabled at (16132): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.117482][  T261] Preemption disabled at:
| [   12.117483][  T261] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.117492][  T261] Tainted: [W]=WARN
[   12.117493][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.117495][  T261] Call Trace:
[   12.117496][  T261]  <TASK>
[   12.117498][  T261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.117504][  T261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.117506][  T261]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.117510][  T261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.117514][  T261]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.117519][  T261]  __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))
[   12.117522][  T261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.117527][  T261]  ? 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)
[   12.117530][  T261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.117533][  T261]  put_chars (drivers/char/virtio_console.c:1176)
[   12.117536][  T261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.117540][  T261]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.117544][  T261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.117547][  T261]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.117548][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.117550][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.117554][  T261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.117556][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.117559][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.117563][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.117567][  T261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.117570][  T261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.117572][  T261]  ? 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))
[   12.117575][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.117578][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.117582][  T261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.117585][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.117587][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.117592][  T261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.117595][  T261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.117597][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.117599][  T261]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.117603][  T261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.117604][  T261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.117608][  T261]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.117612][  T261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.117614][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.117616][  T261]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.117620][  T261]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.117623][  T261]  _printk (kernel/printk/printk.c:2504)
[   12.117627][  T261]  ? snapshot_read.cold (user.c:?)
[   12.117631][  T261]  ? br_multicast_flood (??:?) bridge
[   12.117644][  T261]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.117645][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.117646][  T261]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.117651][  T261] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.117661][  T261] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.117670][  T261] new_nbp (net/bridge/br_if.c:449) bridge
[   12.117679][  T261] br_add_if (net/bridge/br_if.c:592) bridge
[   12.117686][  T261]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.117691][  T261]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.117693][  T261]  ? __kernel_text_address (kernel/extable.c:79)
[   12.117697][  T261]  do_set_master (net/core/rtnetlink.c:3071)
[   12.117702][  T261]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.117705][  T261]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.117708][  T261]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.117709][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.117712][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.117715][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.117718][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.117720][  T261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.117722][  T261]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.117725][  T261]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.117727][  T261]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.117729][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.117731][  T261]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.117735][  T261]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.117739][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.117741][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.117744][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.117746][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.117747][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.117749][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.117752][  T261]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.117755][  T261]  ? __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)
[   12.117757][  T261]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.117759][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.117762][  T261]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.117764][  T261]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.117769][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.117774][  T261]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.117779][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.117781][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.117785][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.117787][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.117789][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.117791][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.117795][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.117797][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.117800][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.117801][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.117805][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.117807][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.117811][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.117813][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.117815][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.117821][  T261]  ? 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))
[   12.117823][  T261]  ? 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))
[   12.117827][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.117831][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.117834][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.117838][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.117841][  T261]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.117845][  T261]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.117850][  T261]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.117853][  T261]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.117855][  T261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.117856][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   12.117864][  T261]  ___sys_sendmsg (net/socket.c:2767)
[   12.117866][  T261]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.117882][  T261]  __sys_sendmsg (net/socket.c:2799)
[   12.117885][  T261]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.117891][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.117894][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.117897][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.117900][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.117902][  T261] RIP: 0033:0x7f830d63b54e
[   12.117905][  T261] 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
[   12.117907][  T261] RSP: 002b:00007ffc384406d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.117910][  T261] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f830d63b54e
[   12.117911][  T261] RDX: 0000000000000000 RSI: 00007ffc38440780 RDI: 0000000000000005
[   12.117912][  T261] RBP: 00007ffc384406e0 R08: 0000000000000000 R09: 0000000000000000
[   12.117913][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161bf
[   12.117914][  T261] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc38440e40
| [   27.583688][    C0] softirqs last disabled at (988369): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.583690][    C0] Preemption disabled at:
| [   27.583691][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   27.583701][    C0] Tainted: [W]=WARN
[   27.583702][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.583704][    C0] Call Trace:
[   27.583706][    C0]  <IRQ>
[   27.583708][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.583713][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   27.583715][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.583718][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.583722][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.583725][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.583729][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.583732][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.583735][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.583738][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.583740][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.583742][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   27.583744][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.583746][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.583749][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.583753][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.583754][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.583756][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.583758][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.583760][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.583762][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.583764][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.583765][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.583767][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.583769][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.583771][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.583774][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.583776][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.583777][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.583779][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.583780][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.583782][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.583783][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.583786][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.583787][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.583790][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.583791][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.583793][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.583795][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   27.583799][    C0]  _printk (kernel/printk/printk.c:2504)
[   27.583802][    C0]  ? snapshot_read.cold (user.c:?)
[   27.583804][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.583808][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.583810][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.583812][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.583814][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.583817][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.583819][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.583821][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.583823][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.583824][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.583837][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.583839][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.583841][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.583847][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.583849][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.583855][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.583861][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.583867][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.583870][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.583872][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.583876][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.583878][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.583879][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.583882][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.583883][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.583890][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.583891][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.583894][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.583896][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.583898][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.583900][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.583902][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.583904][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.583906][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.583908][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.583910][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.583911][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.583912][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.583915][    C0]  </IRQ>
[   27.583916][    C0]  <TASK>
[   27.583917][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.583918][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.583921][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.583923][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.583926][    C0] RSP: 0018:ffffffff9ca07cf8 EFLAGS: 00000296
[   27.583929][    C0] RAX: 00000000000f14cf RBX: ffffffff9ca1c600 RCX: ffffffff99af0307
[   27.583931][    C0] RDX: ffffffff9ca1c600 RSI: ffffffff9c838b01 RDI: ffffffff9c28d8e0
[   27.583931][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.583933][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3940fa2
[   27.583933][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.583935][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.583938][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.583939][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.583941][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.583943][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.583944][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.583946][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.583948][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.583950][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.583952][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.583953][    C0]  rest_init (init/main.c:727)
[   27.583955][    C0]  ? __cpuidle_text_end (??:?)
[   27.583958][    C0]  ? rest_init (init/main.c:727)
[   27.583960][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.583963][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.583965][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.583968][    C0]  start_kernel (init/main.c:1185)
[   27.583970][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.583972][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.583973][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.651904][    C0]
| [   27.652032][    C0]
| [   27.652032][    C0] stack backtrace:
| [   27.652219][    C0] Tainted: [W]=WARN
[   27.652220][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.652221][    C0] Call Trace:
[   27.652223][    C0]  <IRQ>
[   27.652224][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.652229][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.652232][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.652234][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.652236][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.652238][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.652240][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.652242][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.652250][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.652254][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.652255][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.652261][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.652263][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.652269][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.652275][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.652281][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.652283][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.652285][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.652288][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.652290][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.652292][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.652294][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.652296][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.652302][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.652304][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.652307][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.652309][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.652311][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.652312][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.652315][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.652316][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.652318][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.652320][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.652322][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.652323][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.652324][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.652326][    C0]  </IRQ>
[   27.652327][    C0]  <TASK>
[   27.652327][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.652329][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.652331][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.652333][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.652335][    C0] RSP: 0018:ffffffff9ca07cf8 EFLAGS: 00000296
[   27.652337][    C0] RAX: 00000000000f14cf RBX: ffffffff9ca1c600 RCX: ffffffff99af0307
[   27.652338][    C0] RDX: ffffffff9ca1c600 RSI: ffffffff9c838b01 RDI: ffffffff9c28d8e0
[   27.652339][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.652340][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3940fa2
[   27.652341][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.652342][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.652344][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.652346][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.652347][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.652349][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.652351][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.652352][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.652354][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.652356][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.652358][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.652359][    C0]  rest_init (init/main.c:727)
[   27.652361][    C0]  ? __cpuidle_text_end (??:?)
[   27.652363][    C0]  ? rest_init (init/main.c:727)
[   27.652365][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.652369][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.652371][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.652374][    C0]  start_kernel (init/main.c:1185)
[   27.652375][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.652377][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.652379][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   30.384067][  T716] softirqs last disabled at (0): 0x0
| [   30.384068][  T716] Preemption disabled at:
| [   30.384069][  T716] 0x0
| [   30.384077][  T716] Tainted: [W]=WARN
[   30.384078][  T716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.384080][  T716] Call Trace:
[   30.384082][  T716]  <TASK>
[   30.384083][  T716]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.384089][  T716]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.384093][  T716]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.384097][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384101][  T716]  __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))
[   30.384105][  T716]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.384108][  T716]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.384112][  T716]  ? 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)
[   30.384113][  T716]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.384116][  T716]  put_chars (drivers/char/virtio_console.c:1176)
[   30.384117][  T716]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.384119][  T716]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   30.384123][  T716]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.384126][  T716]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.384128][  T716]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.384130][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384131][  T716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.384134][  T716]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.384136][  T716]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.384138][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384140][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384141][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384143][  T716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.384145][  T716]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   30.384147][  T716]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.384149][  T716]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.384152][  T716]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.384153][  T716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.384155][  T716]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.384157][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384158][  T716]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.384160][  T716]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.384161][  T716]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   30.384163][  T716]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.384165][  T716]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.384167][  T716]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.384169][  T716]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.384171][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384173][  T716]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.384176][  T716]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   30.384177][  T716]  _printk (kernel/printk/printk.c:2504)
[   30.384180][  T716]  ? snapshot_read.cold (user.c:?)
[   30.384183][  T716]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   30.384187][  T716] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   30.384201][  T716] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   30.384210][  T716] br_device_event (net/bridge/br.c:111) bridge
[   30.384218][  T716]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   30.384222][  T716]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   30.384224][  T716]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   30.384227][  T716]  notifier_call_chain (kernel/notifier.c:85)
[   30.384230][  T716]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   30.384234][  T716]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.384236][  T716]  ? netif_change_name (net/core/dev.c:1517)
[   30.384238][  T716]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   30.384240][  T716]  ? __kernel_text_address (kernel/extable.c:79)
[   30.384242][  T716]  ? write_profile (profile.c:?)
[   30.384244][  T716]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.384247][  T716]  netif_change_flags (net/core/dev.c:9882)
[   30.384249][  T716]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   30.384252][  T716]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.384253][  T716]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.384255][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384256][  T716]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.384260][  T716]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.384263][  T716]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.384265][  T716]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.384266][  T716]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.384268][  T716]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   30.384269][  T716]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   30.384270][  T716]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.384271][  T716]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.384274][  T716]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.384276][  T716]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.384277][  T716]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.384279][  T716]  ? ___sys_sendmsg (net/socket.c:2767)
[   30.384281][  T716]  ? __sys_sendmsg (net/socket.c:2799)
[   30.384282][  T716]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.384284][  T716]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.384287][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384289][  T716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.384290][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384292][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384293][  T716]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.384297][  T716]  ? __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)
[   30.384298][  T716]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.384299][  T716]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.384301][  T716]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.384303][  T716]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.384305][  T716]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.384307][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384309][  T716]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.384310][  T716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.384311][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384314][  T716]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   30.384317][  T716]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   30.384319][  T716]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.384320][  T716]  ? __kernel_text_address (kernel/extable.c:79)
[   30.384321][  T716]  ? write_profile (profile.c:?)
[   30.384323][  T716]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.384324][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384326][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384327][  T716]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   30.384331][  T716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.384332][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384334][  T716]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.384336][  T716]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.384337][  T716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.384338][  T716]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.384340][  T716]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.384342][  T716]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.384344][  T716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.384345][  T716]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.384347][  T716]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.384348][  T716]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   30.384350][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384352][  T716]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.384354][  T716]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.384356][  T716]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.384357][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384359][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384361][  T716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.384363][  T716]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.384364][  T716]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.384366][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384368][  T716]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.384370][  T716]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.384372][  T716]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.384373][  T716]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.384375][  T716]  ? move_addr_to_kernel (net/socket.c:258)
[   30.384376][  T716]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.384381][  T716]  ___sys_sendmsg (net/socket.c:2767)
[   30.384383][  T716]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.384388][  T716]  __sys_sendmsg (net/socket.c:2799)
[   30.384390][  T716]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.384393][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.384395][  T716]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.384396][  T716]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.384398][  T716]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.384400][  T716] RIP: 0033:0x7effc751f54e
[   30.384402][  T716] 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
[   30.384404][  T716] RSP: 002b:00007fff5cfeab00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.384407][  T716] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007effc751f54e
[   30.384409][  T716] RDX: 0000000000000000 RSI: 00007fff5cfeabb0 RDI: 0000000000000005
[   30.384410][  T716] RBP: 00007fff5cfeab10 R08: 0000000000000000 R09: 0000000000000000
[   30.384410][  T716] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161d1


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