======================================
| [   11.153079][  T242] softirqs last disabled at (14552): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.153081][  T242] Preemption disabled at:
| [   11.153082][  T242] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.153092][  T242] Tainted: [W]=WARN
[   11.153093][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.153095][  T242] Call Trace:
[   11.153096][  T242]  <TASK>
[   11.153098][  T242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.153103][  T242]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.153106][  T242]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.153116][  T242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.153120][  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)
[   11.153125][  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))
[   11.153127][  T242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.153133][  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)
[   11.153135][  T242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.153139][  T242]  put_chars (drivers/char/virtio_console.c:1176)
[   11.153141][  T242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.153146][  T242]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.153149][  T242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.153152][  T242]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.153154][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.153155][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.153159][  T242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.153161][  T242]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.153164][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.153168][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.153172][  T242]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.153175][  T242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.153177][  T242]  ? 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))
[   11.153180][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.153183][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.153186][  T242]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.153190][  T242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.153192][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.153197][  T242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.153200][  T242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.153202][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.153204][  T242]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.153207][  T242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.153209][  T242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.153212][  T242]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.153216][  T242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.153218][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.153220][  T242]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.153224][  T242]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.153228][  T242]  _printk (kernel/printk/printk.c:2504)
[   11.153231][  T242]  ? snapshot_read.cold (user.c:?)
[   11.153235][  T242]  ? br_multicast_flood (??:?) bridge
[   11.153247][  T242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.153248][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.153250][  T242]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.153254][  T242] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.153264][  T242] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.153272][  T242] new_nbp (net/bridge/br_if.c:449) bridge
[   11.153281][  T242] br_add_if (net/bridge/br_if.c:592) bridge
[   11.153288][  T242]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.153292][  T242]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.153295][  T242]  ? __kernel_text_address (kernel/extable.c:79)
[   11.153299][  T242]  do_set_master (net/core/rtnetlink.c:3071)
[   11.153303][  T242]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.153306][  T242]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.153309][  T242]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.153311][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.153313][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.153317][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.153319][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.153321][  T242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.153323][  T242]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.153327][  T242]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.153328][  T242]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.153331][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.153333][  T242]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.153336][  T242]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.153341][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.153342][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.153345][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.153347][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.153349][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.153350][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.153353][  T242]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.153356][  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)
[   11.153358][  T242]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.153360][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.153363][  T242]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.153365][  T242]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.153370][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.153375][  T242]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.153380][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.153382][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.153386][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.153388][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.153390][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.153392][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.153395][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.153397][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.153400][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.153402][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.153406][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.153408][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.153411][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.153413][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.153416][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.153422][  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))
[   11.153423][  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))
[   11.153427][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.153431][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.153433][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.153438][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.153441][  T242]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.153445][  T242]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.153450][  T242]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.153452][  T242]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.153455][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.153456][  T242]  ? move_addr_to_kernel (net/socket.c:258)
[   11.153463][  T242]  ___sys_sendmsg (net/socket.c:2767)
[   11.153466][  T242]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.153481][  T242]  __sys_sendmsg (net/socket.c:2799)
[   11.153484][  T242]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.153490][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.153494][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.153496][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.153499][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.153502][  T242] RIP: 0033:0x7f98dc73654e
[   11.153505][  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
[   11.153507][  T242] RSP: 002b:00007ffdf1f6f990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.153510][  T242] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f98dc73654e
[   11.153511][  T242] RDX: 0000000000000000 RSI: 00007ffdf1f6fa40 RDI: 0000000000000005
[   11.153512][  T242] RBP: 00007ffdf1f6f9a0 R08: 0000000000000000 R09: 0000000000000000
[   11.153513][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918459
[   11.153514][  T242] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf1f70100
| [   18.934931][  T298] softirqs last disabled at (30219): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.934933][  T298] Preemption disabled at:
| [   18.934934][  T298] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.934943][  T298] Tainted: [W]=WARN
[   18.934944][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.934945][  T298] Call Trace:
[   18.934947][  T298]  <TASK>
[   18.934948][  T298]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.934954][  T298]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.934956][  T298]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.934960][  T298]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.934964][  T298]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.934969][  T298]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.934972][  T298]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.934977][  T298]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.934980][  T298]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.934983][  T298]  put_chars (drivers/char/virtio_console.c:1176)
[   18.934985][  T298]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   18.934987][  T298]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.934990][  T298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.934993][  T298]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.934997][  T298]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.935000][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.935001][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.935006][  T298]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.935007][  T298]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   18.935010][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.935016][  T298]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.935020][  T298]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.935024][  T298]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.935025][  T298]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.935028][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.935031][  T298]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.935034][  T298]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.935039][  T298]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.935040][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.935045][  T298]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.935048][  T298]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.935050][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.935052][  T298]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.935055][  T298]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.935057][  T298]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.935060][  T298]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.935064][  T298]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.935070][  T298]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   18.935073][  T298]  _printk (kernel/printk/printk.c:2504)
[   18.935077][  T298]  ? snapshot_read.cold (user.c:?)
[   18.935083][  T298]  ? do_one_initcall (./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/trace/events/initcall.h:27 init/main.c:1356)
[   18.935086][  T298] gact_init_module (net/sched/act_gact.c:180) act_gact
[   18.935088][  T298]  do_one_initcall (init/main.c:1357)
[   18.935091][  T298]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   18.935095][  T298]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   18.935098][  T298]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   18.935103][  T298]  do_init_module (kernel/module/main.c:3117)
[   18.935107][  T298]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.935111][  T298]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   18.935114][  T298]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   18.935118][  T298]  load_module (kernel/module/main.c:3593)
[   18.935125][  T298]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   18.935129][  T298]  ? __ia32_sys_fsconfig (??:?)
[   18.935136][  T298]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   18.935139][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.935141][  T298]  ? backing_file_read_iter (fs/backing-file.c:211)
[   18.935144][  T298]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.935148][  T298]  init_module_from_file (kernel/module/main.c:3790)
[   18.935151][  T298]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   18.935159][  T298]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.935162][  T298]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.935165][  T298]  idempotent_init_module (kernel/module/main.c:3802)
[   18.935168][  T298]  ? init_module_from_file (kernel/module/main.c:3791)
[   18.935174][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.935177][  T298]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   18.935182][  T298]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   18.935184][  T298]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.935188][  T298]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.935190][  T298]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.935192][  T298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.935194][  T298] RIP: 0033:0x7f07b69cb37d
[   18.935198][  T298] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.935199][  T298] RSP: 002b:00007ffe8d7fd268 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   18.935202][  T298] RAX: ffffffffffffffda RBX: 0000559cbed1e810 RCX: 00007f07b69cb37d
[   18.935203][  T298] RDX: 0000000000000000 RSI: 0000559c96b6effd RDI: 0000000000000000
[   18.935204][  T298] RBP: 00007ffe8d7fd300 R08: 0000000000000000 R09: 0000000000000000
[   18.935205][  T298] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559c96b6effd
[   18.935206][  T298] R13: 0000559cbed1e960 R14: 0000000000040000 R15: 0000000000000000
| [   22.886321][    C0]
| [   22.886321][    C0]
| [   22.886321][    C0] stack backtrace:
| [   22.886327][    C0] Tainted: [W]=WARN
[   22.886328][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.886330][    C0] Call Trace:
[   22.886331][    C0]  <IRQ>
[   22.886332][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.886336][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   22.886339][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   22.886342][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   22.886344][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   22.886345][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   22.886347][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.886349][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   22.886351][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.886355][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.886357][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   22.886359][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   22.886360][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   22.886362][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.886364][    C0]  ? 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))
[   22.886366][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.886368][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.886370][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.886372][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.886374][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.886376][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.886378][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.886379][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.886381][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.886383][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.886384][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.886386][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.886389][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.886391][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.886393][    C0]  _printk (kernel/printk/printk.c:2504)
[   22.886394][    C0]  ? snapshot_read.cold (user.c:?)
[   22.886396][    C0]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   22.886399][    C0]  ? __pskb_copy_fclone (./include/linux/skbuff.h:1725)
[   22.886402][    C0]  ? idr_get_free (??:?)
[   22.886405][    C0] tcf_pedit_act.cold (net/sched/act_pedit.c:449 (discriminator 3)) act_pedit
[   22.886407][    C0]  ? tcf_pedit_keys_ex_parse (net/sched/act_pedit.c:92 (discriminator 2)) act_pedit
[   22.886409][    C0]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   22.886413][    C0]  tcf_action_exec.part.0 (./include/net/tc_wrapper.h:254 net/sched/act_api.c:1162)
[   22.886416][    C0] fl_classify (./include/net/pkt_cls.h:361 net/sched/cls_flower.c:352) cls_flower
[   22.886418][    C0]  ? fl_mask_lookup (net/sched/cls_flower.c:303) cls_flower
[   22.886424][    C0]  ? common_startup_64 (arch/x86/kernel/head_64.S:418)
[   22.886426][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.886427][    C0]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   22.886431][    C0]  __tcf_classify (./include/net/tc_wrapper.h:260 net/sched/cls_api.c:1779)
[   22.886433][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.886435][    C0]  tcf_classify (net/sched/cls_api.c:1875)
[   22.886436][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.886438][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.886439][    C0]  ? __tcf_classify (net/sched/cls_api.c:1784)
[   22.886441][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.886443][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.886444][    C0]  tc_run (net/core/dev.c:4463)
[   22.886446][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.886447][    C0]  ? netdev_offload_xstats_push_delta (net/core/dev.c:9326 net/core/dev.c:9461)
[   22.886449][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.886451][    C0]  __dev_queue_xmit (net/core/dev.c:4597 (discriminator 1) net/core/dev.c:4860 (discriminator 1))
[   22.886453][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.886455][    C0]  ? br_vlan_lookup (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rhashtable.h:711 (discriminator 2) net/bridge/br_vlan.c:34 (discriminator 2)) bridge
[   22.886463][    C0]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   22.886465][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.886468][    C0]  ? __br_forward (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/netfilter.h:282 (discriminator 2) ./include/linux/netfilter.h:323 (discriminator 2) net/bridge/br_forward.c:115 (discriminator 2)) bridge
[   22.886475][    C0] br_dev_queue_push_xmit (./include/linux/netdevice.h:3461 net/bridge/br_forward.c:53) bridge
[   22.886481][    C0] br_handle_frame_finish (net/bridge/br_input.c:226 (discriminator 3)) bridge
[   22.886488][    C0]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   22.886494][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.886496][    C0]  ? rcu_read_lock_bh_held (kernel/rcu/update.c:113 kernel/rcu/update.c:103 kernel/rcu/update.c:374)
[   22.886498][    C0]  ? nf_hook_egress (./include/linux/netfilter_netdev.h:114)
[   22.886501][    C0] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   22.886507][    C0]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   22.886513][    C0]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   22.886515][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   22.886517][    C0]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   22.886520][    C0]  ? do_xdp_generic (net/core/dev.c:5732)
[   22.886523][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.886525][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.886527][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.886529][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   22.886530][    C0]  __netif_receive_skb_one_core (net/core/dev.c:6262)
[   22.886532][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.886533][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   22.886535][    C0]  ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[   22.886537][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.886539][    C0]  process_backlog (net/core/dev.c:6728)
[   22.886542][    C0]  __napi_poll (net/core/dev.c:7787)
[   22.886544][    C0]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   22.886546][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.886548][    C0]  ? __napi_poll (./include/net/gro.h:507)
[   22.886550][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.886553][    C0]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   22.886555][    C0]  ? run_timer_softirq (kernel/time/timer.c:2387 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   22.886558][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.886560][    C0]  handle_softirqs (kernel/softirq.c:645)
[   22.886562][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.886563][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   22.886565][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   22.886567][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   22.886568][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   22.886570][    C0]  </IRQ>
[   22.886570][    C0]  <TASK>
[   22.886571][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   22.886572][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   22.886574][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   22.886577][    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
[   22.886579][    C0] RSP: 0018:ffffffffa1607cf8 EFLAGS: 00000296
[   22.886581][    C0] RAX: 00000000000be5f9 RBX: ffffffffa161c600 RCX: ffffffff9e6f0307
[   22.886582][    C0] RDX: ffffffffa161c600 RSI: ffffffffa1438af6 RDI: ffffffffa0e8d8e0
[   22.886583][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   22.886584][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff42c0fa2
[   22.886585][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   22.886586][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   22.886588][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.886590][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   22.886592][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   22.886593][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   22.886595][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   22.886596][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   22.886599][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.886601][    C0]  do_idle (kernel/sched/idle.c:355)
[   22.886602][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   22.886604][    C0]  rest_init (init/main.c:727)
[   22.886605][    C0]  ? __cpuidle_text_end (??:?)
[   22.886608][    C0]  ? rest_init (init/main.c:727)
[   22.886610][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   22.886613][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   22.886616][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   22.886618][    C0]  start_kernel (init/main.c:1185)
[   22.886620][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   22.886621][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   22.886623][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   22.886641][    C0] softirqs last disabled at (779771): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   22.886643][    C0] Preemption disabled at:
| [   22.886643][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   22.886648][    C0] Tainted: [W]=WARN
[   22.886648][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.886649][    C0] Call Trace:
[   22.886649][    C0]  <IRQ>
[   22.886650][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.886652][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   22.886653][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.886656][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.886659][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.886661][    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))
[   22.886663][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   22.886664][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.886666][    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)
[   22.886668][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.886670][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   22.886672][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.886674][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   22.886675][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.886677][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5208)
[   22.886679][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.886681][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.886682][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.886684][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.886686][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.886688][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.886690][    C0]  ? 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))
[   22.886692][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.886694][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.886696][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.886698][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.886699][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.886702][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.886704][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.886705][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.886707][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.886709][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.886710][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.886712][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.886715][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.886717][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.886719][    C0]  _printk (kernel/printk/printk.c:2504)
[   22.886720][    C0]  ? snapshot_read.cold (user.c:?)
[   22.886722][    C0]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   22.886724][    C0]  ? __pskb_copy_fclone (./include/linux/skbuff.h:1725)
[   22.886726][    C0]  ? idr_get_free (??:?)
[   22.886729][    C0] tcf_pedit_act.cold (net/sched/act_pedit.c:449 (discriminator 3)) act_pedit
[   22.886731][    C0]  ? tcf_pedit_keys_ex_parse (net/sched/act_pedit.c:92 (discriminator 2)) act_pedit
[   22.886733][    C0]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   22.886735][    C0]  tcf_action_exec.part.0 (./include/net/tc_wrapper.h:254 net/sched/act_api.c:1162)
[   22.886738][    C0] fl_classify (./include/net/pkt_cls.h:361 net/sched/cls_flower.c:352) cls_flower
[   22.886741][    C0]  ? fl_mask_lookup (net/sched/cls_flower.c:303) cls_flower
[   22.886747][    C0]  ? common_startup_64 (arch/x86/kernel/head_64.S:418)
[   22.886748][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.886750][    C0]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   22.886752][    C0]  __tcf_classify (./include/net/tc_wrapper.h:260 net/sched/cls_api.c:1779)
[   22.886754][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.886756][    C0]  tcf_classify (net/sched/cls_api.c:1875)
[   22.886758][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.886759][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.886761][    C0]  ? __tcf_classify (net/sched/cls_api.c:1784)
[   22.886762][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.886764][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.886765][    C0]  tc_run (net/core/dev.c:4463)
[   22.886767][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.886768][    C0]  ? netdev_offload_xstats_push_delta (net/core/dev.c:9326 net/core/dev.c:9461)
[   22.886770][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.886772][    C0]  __dev_queue_xmit (net/core/dev.c:4597 (discriminator 1) net/core/dev.c:4860 (discriminator 1))
[   22.886774][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.886776][    C0]  ? br_vlan_lookup (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rhashtable.h:711 (discriminator 2) net/bridge/br_vlan.c:34 (discriminator 2)) bridge
[   22.886782][    C0]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   22.886783][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.886786][    C0]  ? __br_forward (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/netfilter.h:282 (discriminator 2) ./include/linux/netfilter.h:323 (discriminator 2) net/bridge/br_forward.c:115 (discriminator 2)) bridge
[   22.886793][    C0] br_dev_queue_push_xmit (./include/linux/netdevice.h:3461 net/bridge/br_forward.c:53) bridge
[   22.886799][    C0] br_handle_frame_finish (net/bridge/br_input.c:226 (discriminator 3)) bridge
[   22.886806][    C0]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   22.886814][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.886816][    C0]  ? rcu_read_lock_bh_held (kernel/rcu/update.c:113 kernel/rcu/update.c:103 kernel/rcu/update.c:374)
[   22.886818][    C0]  ? nf_hook_egress (./include/linux/netfilter_netdev.h:114)
[   22.886820][    C0] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   22.886827][    C0]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   22.886833][    C0]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   22.886835][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   22.886836][    C0]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   22.886839][    C0]  ? do_xdp_generic (net/core/dev.c:5732)
[   22.886841][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.886844][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.886845][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.886847][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   22.886849][    C0]  __netif_receive_skb_one_core (net/core/dev.c:6262)
[   22.886850][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.886852][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   22.886854][    C0]  ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[   22.886855][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.886858][    C0]  process_backlog (net/core/dev.c:6728)
[   22.886860][    C0]  __napi_poll (net/core/dev.c:7787)
[   22.886862][    C0]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   22.886864][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.886866][    C0]  ? __napi_poll (./include/net/gro.h:507)
[   22.886868][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.886871][    C0]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   22.886872][    C0]  ? run_timer_softirq (kernel/time/timer.c:2387 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   22.886874][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.886876][    C0]  handle_softirqs (kernel/softirq.c:645)
[   22.886878][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.886879][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   22.886881][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   22.886883][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   22.886884][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   22.886886][    C0]  </IRQ>
[   22.886886][    C0]  <TASK>
[   22.886887][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   22.886889][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   22.886890][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   22.886892][    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
[   22.886893][    C0] RSP: 0018:ffffffffa1607cf8 EFLAGS: 00000296
[   22.886894][    C0] RAX: 00000000000be5f9 RBX: ffffffffa161c600 RCX: ffffffff9e6f0307
[   22.886895][    C0] RDX: ffffffffa161c600 RSI: ffffffffa1438af6 RDI: ffffffffa0e8d8e0
[   22.886896][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   22.886896][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff42c0fa2
[   22.886897][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   22.886898][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   22.886900][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.886902][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   22.886904][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   22.886905][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   22.886907][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   22.886908][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   22.886910][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.886912][    C0]  do_idle (kernel/sched/idle.c:355)
[   22.886913][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   22.886915][    C0]  rest_init (init/main.c:727)
[   22.886916][    C0]  ? __cpuidle_text_end (??:?)
[   22.886919][    C0]  ? rest_init (init/main.c:727)
[   22.886921][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   22.886923][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   22.886925][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   22.886926][    C0]  start_kernel (init/main.c:1185)
[   22.886928][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   22.886930][    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:console_lock_spinning_enable
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars