======================================
| [   10.985777][  T242] softirqs last disabled at (12046): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.985780][  T242] Preemption disabled at:
| [   10.985781][  T242] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.985790][  T242] Tainted: [W]=WARN
[   10.985791][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.985792][  T242] Call Trace:
[   10.985794][  T242]  <TASK>
[   10.985795][  T242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.985801][  T242]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.985803][  T242]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.985808][  T242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.985812][  T242]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.985818][  T242]  __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))
[   10.985820][  T242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.985825][  T242]  ? 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)
[   10.985828][  T242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.985831][  T242]  put_chars (drivers/char/virtio_console.c:1176)
[   10.985834][  T242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.985838][  T242]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.985842][  T242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.985845][  T242]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.985847][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.985849][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.985853][  T242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.985855][  T242]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.985858][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.985862][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.985866][  T242]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.985870][  T242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.985873][  T242]  ? console_flush_one_record (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/linux/console.h:663 ./include/linux/console.h:625 kernel/printk/printk.c:3260)
[   10.985878][  T242]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.985882][  T242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.985884][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.985889][  T242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.985892][  T242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.985894][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.985897][  T242]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.985900][  T242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.985902][  T242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.985906][  T242]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.985909][  T242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.985912][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.985914][  T242]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.985917][  T242]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.985921][  T242]  _printk (kernel/printk/printk.c:2504)
[   10.985924][  T242]  ? snapshot_read.cold (user.c:?)
[   10.985928][  T242]  ? br_multicast_flood (??:?) bridge
[   10.985941][  T242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.985942][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.985943][  T242]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.985948][  T242] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   10.985958][  T242] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   10.985966][  T242] new_nbp (net/bridge/br_if.c:449) bridge
[   10.985976][  T242] br_add_if (net/bridge/br_if.c:592) bridge
[   10.985983][  T242]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.985987][  T242]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.985990][  T242]  ? __kernel_text_address (kernel/extable.c:79)
[   10.985994][  T242]  do_set_master (net/core/rtnetlink.c:3071)
[   10.985998][  T242]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.986002][  T242]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.986005][  T242]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.986006][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.986009][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.986013][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.986015][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.986017][  T242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.986020][  T242]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.986023][  T242]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.986024][  T242]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.986027][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.986029][  T242]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   10.986032][  T242]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.986036][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.986038][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.986041][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.986043][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.986045][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.986047][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.986049][  T242]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.986053][  T242]  ? __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)
[   10.986055][  T242]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.986057][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.986060][  T242]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.986062][  T242]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.986067][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.986072][  T242]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.986078][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.986080][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.986084][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.986086][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.986088][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.986090][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.986093][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.986095][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.986099][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.986100][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.986104][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.986106][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.986110][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.986111][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.986114][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.986121][  T242]  ? 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))
[   10.986122][  T242]  ? 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))
[   10.986126][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.986130][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.986133][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.986137][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.986141][  T242]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.986145][  T242]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.986150][  T242]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.986152][  T242]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.986155][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.986156][  T242]  ? move_addr_to_kernel (net/socket.c:258)
[   10.986164][  T242]  ___sys_sendmsg (net/socket.c:2767)
[   10.986166][  T242]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.986182][  T242]  __sys_sendmsg (net/socket.c:2799)
[   10.986185][  T242]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.986192][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.986195][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.986197][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.986200][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.986202][  T242] RIP: 0033:0x7f1a854ec54e
[   10.986206][  T242] 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
[   10.986208][  T242] RSP: 002b:00007ffee5ad4db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.986211][  T242] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1a854ec54e
[   10.986212][  T242] RDX: 0000000000000000 RSI: 00007ffee5ad4e60 RDI: 0000000000000005
[   10.986213][  T242] RBP: 00007ffee5ad4dc0 R08: 0000000000000000 R09: 0000000000000000
[   10.986214][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ad65
[   10.986215][  T242] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee5ad5520
| [   26.486698][    C1] softirqs last disabled at (876993): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.486701][    C1] Preemption disabled at:
| [   26.486702][    C1] 0x0
| [   26.486715][    C1] Tainted: [W]=WARN
[   26.486716][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.486719][    C1] Call Trace:
[   26.486721][    C1]  <IRQ>
[   26.486723][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.486729][    C1]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.486734][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.486738][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.486742][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.486747][    C1]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.486751][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.486754][    C1]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.486759][    C1]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.486761][    C1]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.486765][    C1]  put_chars (drivers/char/virtio_console.c:1176)
[   26.486767][    C1]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.486770][    C1]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.486775][    C1]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.486780][    C1]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.486782][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.486785][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.486788][    C1]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.486792][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.486795][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.486797][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.486800][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.486803][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.486806][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.486809][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.486813][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.486816][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.486818][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.486821][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.486823][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.486825][    C1]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.486828][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.486831][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.486834][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.486838][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.486841][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.486858][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.486860][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.486872][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.486883][    C1]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   26.486888][    C1]  _printk (kernel/printk/printk.c:2504)
[   26.486892][    C1]  ? snapshot_read.cold (user.c:?)
[   26.486894][    C1]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.486900][    C1]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.486903][    C1]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.486906][    C1]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.486910][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.486915][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.486918][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.486920][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.486924][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.486926][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.486938][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.486940][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.486943][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.486955][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.486957][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.486968][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.486979][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.486988][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   26.486992][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.486995][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.486999][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.487003][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.487005][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.487009][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.487012][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.487022][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.487025][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.487029][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.487033][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.487036][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.487039][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.487042][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.487045][    C1]  handle_softirqs (kernel/softirq.c:645)
[   26.487047][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.487050][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.487054][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.487056][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   26.487058][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.487061][    C1]  </IRQ>
[   26.487062][    C1]  <TASK>
[   26.487063][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.487066][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.487069][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.487072][    C1] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   26.487074][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   26.487078][    C1] RAX: 00000000000d61bf RBX: ff11000001bea380 RCX: ffffffffa2af0307
[   26.487080][    C1] RDX: ff11000001bea380 RSI: ffffffffa5838af6 RDI: ffffffffa528d8e0
[   26.487081][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.487082][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   26.487084][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.487086][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.487091][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.487093][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   26.487096][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.487098][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   26.487101][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.487104][    C1]  ? default_idle_call (kernel/sched/idle.c:129)
[   26.487106][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.487110][    C1]  do_idle (kernel/sched/idle.c:355)
[   26.487112][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.487114][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.487117][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.487121][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   26.581280][    C1]
| [   26.581456][    C1]
| [   26.581456][    C1] stack backtrace:
| [   26.581706][    C1] Tainted: [W]=WARN
[   26.581708][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.581709][    C1] Call Trace:
[   26.581711][    C1]  <IRQ>
[   26.581713][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.581718][    C1]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.581723][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.581727][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.581730][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.581732][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.581736][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.581738][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.581753][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.581757][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.581759][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.581770][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.581773][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.581784][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.581796][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.581806][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   26.581810][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.581812][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.581816][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.581820][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.581822][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.581826][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.581828][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.581840][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.581843][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.581847][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.581850][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.581853][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.581856][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.581859][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.581861][    C1]  handle_softirqs (kernel/softirq.c:645)
[   26.581865][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.581867][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.581870][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.581873][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   26.581875][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.581877][    C1]  </IRQ>
[   26.581878][    C1]  <TASK>
[   26.581879][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.581881][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.581884][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.581887][    C1] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   26.581890][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   26.581893][    C1] RAX: 00000000000d61bf RBX: ff11000001bea380 RCX: ffffffffa2af0307
[   26.581895][    C1] RDX: ff11000001bea380 RSI: ffffffffa5838af6 RDI: ffffffffa528d8e0
[   26.581896][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.581898][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   26.581899][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.581902][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.581905][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.581908][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   26.581910][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.581913][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   26.581915][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.581918][    C1]  ? default_idle_call (kernel/sched/idle.c:129)
[   26.581920][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.581923][    C1]  do_idle (kernel/sched/idle.c:355)
[   26.581926][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.581928][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.581930][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))


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:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print