======================================
| [    9.247722][  T210] softirqs last disabled at (17590): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [    9.247724][  T210] Preemption disabled at:
| [    9.247725][  T210] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.247734][  T210] Tainted: [W]=WARN
[    9.247735][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.247736][  T210] Call Trace:
[    9.247738][  T210]  <TASK>
[    9.247740][  T210]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.247745][  T210]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.247747][  T210]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.247751][  T210]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.247755][  T210]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.247760][  T210]  __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))
[    9.247763][  T210]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.247769][  T210]  ? 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)
[    9.247771][  T210]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.247775][  T210]  put_chars (drivers/char/virtio_console.c:1176)
[    9.247777][  T210]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[    9.247779][  T210]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.247783][  T210]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.247788][  T210]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.247796][  T210]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.247799][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.247802][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.247807][  T210]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.247810][  T210]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.247814][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.247816][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.247820][  T210]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.247823][  T210]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.247825][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.247830][  T210]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.247833][  T210]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.247834][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.247836][  T210]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.247840][  T210]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.247842][  T210]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.247845][  T210]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.247848][  T210]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.247850][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.247852][  T210]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[    9.247856][  T210]  ? bond_poll_controller (drivers/net/bonding/bond_main.c:1449)
[    9.247859][  T210]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.247863][  T210]  _printk (kernel/printk/printk.c:2504)
[    9.247866][  T210]  ? snapshot_read.cold (user.c:?)
[    9.247870][  T210]  ? br_multicast_flood (??:?)
[    9.247874][  T210]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[    9.247876][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[    9.247877][  T210]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.247887][  T210]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[    9.247890][  T210]  br_init_port (net/bridge/br_stp_if.c:39)
[    9.247893][  T210]  new_nbp (net/bridge/br_if.c:449)
[    9.247896][  T210]  br_add_if (net/bridge/br_if.c:592)
[    9.247899][  T210]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[    9.247905][  T210]  do_set_master (net/core/rtnetlink.c:3071)
[    9.247909][  T210]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[    9.247912][  T210]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    9.247916][  T210]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.247918][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.247921][  T210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.247924][  T210]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.247927][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.247929][  T210]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.247932][  T210]  ? kasan_save_stack (mm/kasan/common.c:58)
[    9.247934][  T210]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.247935][  T210]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.247937][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.247939][  T210]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[    9.247942][  T210]  ? ___sys_sendmsg (net/socket.c:2757)
[    9.247946][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.247949][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    9.247952][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.247954][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.247955][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.247957][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.247958][  T210]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.247961][  T210]  ? __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)
[    9.247963][  T210]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.247965][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    9.247969][  T210]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.247970][  T210]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.247976][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[    9.247982][  T210]  rtnl_newlink (net/core/rtnetlink.c:4215)
[    9.247987][  T210]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.247990][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.247995][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.247997][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.247999][  T210]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.248001][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.248005][  T210]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.248008][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.248011][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.248013][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.248018][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.248020][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.248023][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.248025][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.248029][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.248035][  T210]  ? 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))
[    9.248036][  T210]  ? 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))
[    9.248040][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.248044][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.248047][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.248051][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.248055][  T210]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.248059][  T210]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.248064][  T210]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[    9.248066][  T210]  ? copy_msghdr_from_user (net/socket.c:2650)
[    9.248068][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[    9.248070][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[    9.248077][  T210]  ___sys_sendmsg (net/socket.c:2767)
[    9.248079][  T210]  ? copy_msghdr_from_user (net/socket.c:2619)
[    9.248094][  T210]  __sys_sendmsg (net/socket.c:2799)
[    9.248097][  T210]  ? __sys_sendmsg_sock (net/socket.c:2780)
[    9.248103][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.248106][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.248108][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.248111][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.248113][  T210] RIP: 0033:0x7fc3e9e3654e
[    9.248117][  T210] 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
[    9.248119][  T210] RSP: 002b:00007ffe1bd08000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.248121][  T210] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc3e9e3654e
[    9.248123][  T210] RDX: 0000000000000000 RSI: 00007ffe1bd080b0 RDI: 0000000000000005
[    9.248124][  T210] RBP: 00007ffe1bd08010 R08: 0000000000000000 R09: 0000000000000000
[    9.248125][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e9f7
[    9.248125][  T210] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1bd08770
| [    9.756256][    C0]
| [    9.756326][    C0]
| [    9.756326][    C0] stack backtrace:
| [    9.756508][    C0] Tainted: [W]=WARN
[    9.756509][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.756511][    C0] Call Trace:
[    9.756512][    C0]  <IRQ>
[    9.756513][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.756517][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[    9.756519][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[    9.756523][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[    9.756525][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[    9.756527][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[    9.756529][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.756531][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[    9.756533][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.756536][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.756538][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[    9.756539][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[    9.756541][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[    9.756542][    C0]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[    9.756544][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[    9.756546][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[    9.756547][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[    9.756548][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[    9.756552][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.756554][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.756556][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.756557][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[    9.756559][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[    9.756561][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[    9.756562][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.756565][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.756567][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[    9.756568][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[    9.756570][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.756573][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.756574][    C0]  handle_softirqs (kernel/softirq.c:645)
[    9.756576][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.756578][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[    9.756580][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[    9.756582][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[    9.756584][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[    9.756586][    C0]  </IRQ>
[    9.756586][    C0]  <TASK>
[    9.756587][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[    9.756589][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[    9.756590][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[    9.756593][    C0] Code: 48 8b 3d 94 12 09 02 e8 1f 00 00 00 48 2b 05 58 a3 a6 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 56 1b 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 12 09 02 	mov    0x2091294(%rip),%rdi        # 0x209129b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 a6 00 	sub    0xa6a358(%rip),%rax        # 0xa6a36b
  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 56 1b 00 	verw   0x1b5613(%rip)        # 0x1b563b
  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
[    9.756594][    C0] RSP: 0018:ffffffff9fa07cf8 EFLAGS: 00000296
[    9.756596][    C0] RAX: 0000000000057785 RBX: ffffffff9fa1c600 RCX: ffffffff9c8fa307
[    9.756598][    C0] RDX: ffffffff9fa1c600 RSI: ffffffff9f8a7f94 RDI: ffffffff9f28f560
[    9.756599][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[    9.756600][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3f40fa2
[    9.756600][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[    9.756602][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[    9.756604][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.756606][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[    9.756608][    C0]  default_idle_call (kernel/sched/idle.c:122)
[    9.756609][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[    9.756611][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[    9.756613][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[    9.756616][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.756618][    C0]  do_idle (kernel/sched/idle.c:355)
[    9.756619][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[    9.756621][    C0]  rest_init (init/main.c:727)
[    9.756623][    C0]  ? __cpuidle_text_end (??:?)
[    9.756626][    C0]  ? rest_init (init/main.c:727)
[    9.756627][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[    9.756631][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[    9.756633][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[    9.756634][    C0]  start_kernel (init/main.c:1185)
[    9.756636][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[    9.756638][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[    9.756640][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   11.653764][  T328] softirqs last disabled at (0): 0x0
| [   11.653766][  T328] Preemption disabled at:
| [   11.653767][  T328] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.653778][  T328] Tainted: [W]=WARN
[   11.653779][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.653780][  T328] Call Trace:
[   11.653782][  T328]  <TASK>
[   11.653783][  T328]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.653788][  T328]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.653789][  T328]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.653793][  T328]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.653796][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653799][  T328]  __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))
[   11.653803][  T328]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.653805][  T328]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.653809][  T328]  ? 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)
[   11.653810][  T328]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.653813][  T328]  put_chars (drivers/char/virtio_console.c:1176)
[   11.653815][  T328]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   11.653816][  T328]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.653818][  T328]  ? desc_read (kernel/printk/printk_ringbuffer.c:500)
[   11.653820][  T328]  ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552)
[   11.653822][  T328]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.653827][  T328]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.653828][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653830][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.653832][  T328]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.653834][  T328]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.653836][  T328]  ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996)
[   11.653837][  T328]  ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1))
[   11.653840][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653841][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653842][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653844][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.653846][  T328]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   11.653847][  T328]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.653849][  T328]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.653851][  T328]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.653852][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.653854][  T328]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.653855][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653857][  T328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   11.653858][  T328]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.653860][  T328]  ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98)
[   11.653862][  T328]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.653864][  T328]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.653865][  T328]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.653867][  T328]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.653869][  T328]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.653872][  T328]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.653873][  T328]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.653876][  T328]  ? ___sys_sendmsg (net/socket.c:2767)
[   11.653877][  T328]  ? __sys_sendmsg (net/socket.c:2799)
[   11.653879][  T328]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.653881][  T328]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.653883][  T328]  _printk (kernel/printk/printk.c:2504)
[   11.653890][  T328]  ? snapshot_read.cold (user.c:?)
[   11.653892][  T328]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.653895][  T328]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.653897][  T328]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.653899][  T328]  ? netdev_notice (net/core/dev.c:13194)
[   11.653900][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653902][  T328]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   11.653903][  T328]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   11.653906][  T328]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   11.653908][  T328]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   11.653909][  T328]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   11.653912][  T328]  dev_set_allmulti (net/core/dev_api.c:315)
[   11.653916][  T328]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   11.653919][  T328]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.653921][  T328]  br_dev_delete (net/bridge/br_if.c:387)
[   11.653924][  T328]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   11.653926][  T328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   11.653928][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653929][  T328]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   11.653931][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653937][  T328]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   11.653940][  T328]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.653941][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653942][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653943][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.653945][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653946][  T328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   11.653948][  T328]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   11.653951][  T328]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.653952][  T328]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.653955][  T328]  ? __kernel_text_address (kernel/extable.c:79)
[   11.653957][  T328]  ? write_profile (profile.c:?)
[   11.653960][  T328]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.653961][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653963][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653964][  T328]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.653967][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.653969][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653970][  T328]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   11.653972][  T328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.653974][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.653976][  T328]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   11.653978][  T328]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   11.653981][  T328]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.653983][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.653985][  T328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   11.653986][  T328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.653988][  T328]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   11.653990][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653991][  T328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   11.653994][  T328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.653996][  T328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.653997][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.653998][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.654000][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.654002][  T328]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.654004][  T328]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.654006][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.654007][  T328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   11.654009][  T328]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.654010][  T328]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.654012][  T328]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.654013][  T328]  ? move_addr_to_kernel (net/socket.c:258)
[   11.654014][  T328]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   11.654017][  T328]  ___sys_sendmsg (net/socket.c:2767)
[   11.654018][  T328]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.654023][  T328]  __sys_sendmsg (net/socket.c:2799)
[   11.654024][  T328]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.654027][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.654028][  T328]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.654029][  T328]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.654032][  T328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.654033][  T328] RIP: 0033:0x7fc8fc24754e
[   11.654035][  T328] 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
[   11.654037][  T328] RSP: 002b:00007fff145d2110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.654040][  T328] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc8fc24754e
[   11.654042][  T328] RDX: 0000000000000000 RSI: 00007fff145d21c0 RDI: 0000000000000005
[   11.654043][  T328] RBP: 00007fff145d2120 R08: 0000000000000000 R09: 0000000000000000
[   11.654043][  T328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e9fa


Finger prints:
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock