======================================
| [   11.290535][  T241] softirqs last disabled at (19928): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.290538][  T241] Preemption disabled at:
| [   11.290538][  T241] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.290548][  T241] Tainted: [W]=WARN
[   11.290549][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.290551][  T241] Call Trace:
[   11.290552][  T241]  <TASK>
[   11.290554][  T241]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.290560][  T241]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.290562][  T241]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.290566][  T241]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.290570][  T241]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.290576][  T241]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.290578][  T241]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.290584][  T241]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.290586][  T241]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.290590][  T241]  put_chars (drivers/char/virtio_console.c:1176)
[   11.290592][  T241]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.290597][  T241]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.290600][  T241]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.290603][  T241]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.290605][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.290607][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.290611][  T241]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.290613][  T241]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.290616][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.290620][  T241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.290624][  T241]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.290627][  T241]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.290629][  T241]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.290632][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.290635][  T241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.290639][  T241]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.290643][  T241]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.290644][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.290650][  T241]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.290652][  T241]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.290654][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.290657][  T241]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.290660][  T241]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.290662][  T241]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.290665][  T241]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.290669][  T241]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.290671][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.290673][  T241]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.290677][  T241]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.290681][  T241]  _printk (kernel/printk/printk.c:2504)
[   11.290684][  T241]  ? snapshot_read.cold (user.c:?)
[   11.290688][  T241]  ? br_multicast_flood (??:?) bridge
[   11.290701][  T241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.290702][  T241]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.290704][  T241]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.290708][  T241] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.290718][  T241] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.290726][  T241] new_nbp (net/bridge/br_if.c:449) bridge
[   11.290735][  T241] br_add_if (net/bridge/br_if.c:592) bridge
[   11.290746][  T241]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.290750][  T241]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.290753][  T241]  ? __kernel_text_address (kernel/extable.c:79)
[   11.290757][  T241]  do_set_master (net/core/rtnetlink.c:3071)
[   11.290761][  T241]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.290765][  T241]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.290767][  T241]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.290769][  T241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.290771][  T241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.290775][  T241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.290778][  T241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.290779][  T241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.290782][  T241]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.290785][  T241]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.290786][  T241]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.290789][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.290791][  T241]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.290794][  T241]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.290798][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.290800][  T241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.290802][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.290805][  T241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.290806][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.290808][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.290810][  T241]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.290814][  T241]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.290816][  T241]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.290818][  T241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.290821][  T241]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.290823][  T241]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.290828][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.290833][  T241]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.290838][  T241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.290840][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.290844][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.290846][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.290848][  T241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.290850][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.290853][  T241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.290855][  T241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.290858][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.290860][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.290864][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.290866][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.290869][  T241]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.290871][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.290874][  T241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.290880][  T241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.290881][  T241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.290885][  T241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.290889][  T241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.290891][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.290896][  T241]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.290899][  T241]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.290903][  T241]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.290908][  T241]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.290910][  T241]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.290913][  T241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.290920][  T241]  ? move_addr_to_kernel (net/socket.c:258)
[   11.290927][  T241]  ___sys_sendmsg (net/socket.c:2767)
[   11.290930][  T241]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.290945][  T241]  __sys_sendmsg (net/socket.c:2799)
[   11.290948][  T241]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.290954][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.290958][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.290960][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.290963][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.290966][  T241] RIP: 0033:0x7f205108554e
[   11.290969][  T241] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.290971][  T241] RSP: 002b:00007ffd11492fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.290974][  T241] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f205108554e
[   11.290975][  T241] RDX: 0000000000000000 RSI: 00007ffd11493070 RDI: 0000000000000005
[   11.290976][  T241] RBP: 00007ffd11492fd0 R08: 0000000000000000 R09: 0000000000000000
[   11.290977][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9183da
[   11.290978][  T241] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd11493730
| [   26.478844][    C0] softirqs last disabled at (868071): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.478846][    C0] Preemption disabled at:
| [   26.478847][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   26.478857][    C0] Tainted: [W]=WARN
[   26.478858][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.478860][    C0] Call Trace:
[   26.478862][    C0]  <IRQ>
[   26.478863][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.478869][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   26.478870][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.478874][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.478877][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.478880][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.478883][    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))
[   26.478886][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.478889][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.478893][    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)
[   26.478894][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.478896][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   26.478898][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.478900][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.478903][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.478907][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.478908][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.478910][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.478912][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.478914][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.478916][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.478918][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.478920][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.478921][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.478923][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.478925][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.478928][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.478930][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.478931][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.478933][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.478934][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.478936][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.478938][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.478939][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.478941][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.478943][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.478945][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.478947][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.478948][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   26.478953][    C0]  _printk (kernel/printk/printk.c:2504)
[   26.478956][    C0]  ? snapshot_read.cold (user.c:?)
[   26.478962][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.478966][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.478968][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.478970][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.478973][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.478976][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.478978][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.478979][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.478982][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.478983][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.478996][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.478998][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.478999][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.479006][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.479008][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.479013][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.479020][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.479026][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   26.479030][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.479033][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.479037][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.479039][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.479040][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.479042][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.479044][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.479051][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.479053][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.479055][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.479058][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.479060][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.479061][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.479064][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.479065][    C0]  handle_softirqs (kernel/softirq.c:645)
[   26.479067][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.479069][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.479071][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.479072][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   26.479074][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.479076][    C0]  </IRQ>
[   26.479077][    C0]  <TASK>
[   26.479078][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   26.479079][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.479081][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.479084][    C0] 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
[   26.479086][    C0] RSP: 0018:ffffffffb9007cf8 EFLAGS: 00000296
[   26.479089][    C0] RAX: 00000000000d3ee5 RBX: ffffffffb901c600 RCX: ffffffffb60f0307
[   26.479090][    C0] RDX: ffffffffb901c600 RSI: ffffffffb8e38af6 RDI: ffffffffb888d8e0
[   26.479091][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.479092][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7200fa2
[   26.479093][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   26.479095][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.479098][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.479099][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.479101][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   26.479102][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.479104][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   26.479106][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.479108][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.479109][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.479111][    C0]  do_idle (kernel/sched/idle.c:355)
[   26.479113][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.479114][    C0]  rest_init (init/main.c:727)
[   26.479116][    C0]  ? __cpuidle_text_end (??:?)
[   26.479119][    C0]  ? rest_init (init/main.c:727)
[   26.479121][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   26.479124][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   26.479127][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   26.479129][    C0]  start_kernel (init/main.c:1185)
[   26.479131][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   26.479133][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   26.479135][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   26.548399][    C0]
| [   26.548477][    C0]
| [   26.548477][    C0] stack backtrace:
| [   26.548664][    C0] Tainted: [W]=WARN
[   26.548665][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.548666][    C0] Call Trace:
[   26.548667][    C0]  <IRQ>
[   26.548668][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.548673][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.548676][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.548679][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.548681][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.548683][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.548685][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.548687][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.548693][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.548697][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.548698][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.548704][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.548706][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.548712][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.548718][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.548724][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   26.548726][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.548728][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.548731][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.548733][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.548735][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.548737][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.548739][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.548745][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.548747][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.548749][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.548752][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.548754][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.548755][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.548758][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.548759][    C0]  handle_softirqs (kernel/softirq.c:645)
[   26.548761][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.548763][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.548765][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.548766][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   26.548767][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.548769][    C0]  </IRQ>
[   26.548770][    C0]  <TASK>
[   26.548770][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   26.548772][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.548774][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.548776][    C0] 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
[   26.548778][    C0] RSP: 0018:ffffffffb9007cf8 EFLAGS: 00000296
[   26.548781][    C0] RAX: 00000000000d3ee5 RBX: ffffffffb901c600 RCX: ffffffffb60f0307
[   26.548782][    C0] RDX: ffffffffb901c600 RSI: ffffffffb8e38af6 RDI: ffffffffb888d8e0
[   26.548783][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.548784][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7200fa2
[   26.548785][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   26.548786][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.548788][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.548790][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.548791][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   26.548793][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.548794][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   26.548796][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.548798][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.548799][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.548801][    C0]  do_idle (kernel/sched/idle.c:355)
[   26.548803][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.548804][    C0]  rest_init (init/main.c:727)
[   26.548806][    C0]  ? __cpuidle_text_end (??:?)
[   26.548809][    C0]  ? rest_init (init/main.c:727)
[   26.548810][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   26.548814][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   26.548817][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   26.548819][    C0]  start_kernel (init/main.c:1185)
[   26.548820][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   26.548822][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)


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