======================================
| [   12.009952][  T270] softirqs last disabled at (24088): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.009955][  T270] Preemption disabled at:
| [   12.009956][  T270] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.009966][  T270] Tainted: [W]=WARN
[   12.009967][  T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.009969][  T270] Call Trace:
[   12.009971][  T270]  <TASK>
[   12.009973][  T270]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.009978][  T270]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.009981][  T270]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.009985][  T270]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.009989][  T270]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.009994][  T270]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.009997][  T270]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.010002][  T270]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.010004][  T270]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.010007][  T270]  put_chars (drivers/char/virtio_console.c:1176)
[   12.010010][  T270]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.010014][  T270]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.010018][  T270]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.010021][  T270]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.010023][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.010024][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.010028][  T270]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.010030][  T270]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.010033][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.010038][  T270]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.010042][  T270]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.010045][  T270]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.010047][  T270]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.010050][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.010053][  T270]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.010057][  T270]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.010061][  T270]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.010063][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.010068][  T270]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.010071][  T270]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.010072][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.010075][  T270]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.010078][  T270]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.010080][  T270]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.010084][  T270]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.010087][  T270]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.010090][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.010092][  T270]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.010096][  T270]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.010100][  T270]  _printk (kernel/printk/printk.c:2504)
[   12.010103][  T270]  ? snapshot_read.cold (user.c:?)
[   12.010107][  T270]  ? br_multicast_flood (??:?) bridge
[   12.010120][  T270]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.010121][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.010123][  T270]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.010127][  T270] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.010137][  T270] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.010146][  T270] new_nbp (net/bridge/br_if.c:449) bridge
[   12.010155][  T270] br_add_if (net/bridge/br_if.c:592) bridge
[   12.010162][  T270]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.010167][  T270]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.010170][  T270]  ? __kernel_text_address (kernel/extable.c:79)
[   12.010173][  T270]  do_set_master (net/core/rtnetlink.c:3071)
[   12.010178][  T270]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.010181][  T270]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.010184][  T270]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.010186][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.010188][  T270]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.010192][  T270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.010195][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.010196][  T270]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.010199][  T270]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.010202][  T270]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.010204][  T270]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.010207][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.010208][  T270]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.010212][  T270]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.010216][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.010218][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.010221][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.010223][  T270]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.010225][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.010227][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.010229][  T270]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.010233][  T270]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.010235][  T270]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.010237][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.010241][  T270]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.010242][  T270]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.010247][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.010252][  T270]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.010258][  T270]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.010260][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.010264][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.010266][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.010269][  T270]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.010272][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.010278][  T270]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.010280][  T270]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.010283][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.010285][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.010289][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.010291][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.010294][  T270]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.010296][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.010306][  T270]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.010312][  T270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.010314][  T270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.010318][  T270]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.010322][  T270]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.010325][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.010329][  T270]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.010333][  T270]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.010336][  T270]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.010342][  T270]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.010344][  T270]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.010347][  T270]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.010348][  T270]  ? move_addr_to_kernel (net/socket.c:258)
[   12.010356][  T270]  ___sys_sendmsg (net/socket.c:2767)
[   12.010359][  T270]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.010374][  T270]  __sys_sendmsg (net/socket.c:2799)
[   12.010377][  T270]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.010383][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.010387][  T270]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.010390][  T270]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.010394][  T270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.010398][  T270] RIP: 0033:0x7f69c04a654e
[   12.010402][  T270] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.010404][  T270] RSP: 002b:00007fff22e80400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.010407][  T270] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f69c04a654e
[   12.010408][  T270] RDX: 0000000000000000 RSI: 00007fff22e804b0 RDI: 0000000000000005
[   12.010409][  T270] RBP: 00007fff22e80410 R08: 0000000000000000 R09: 0000000000000000
[   12.010410][  T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a9cc
[   12.010411][  T270] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff22e80b70
| [   13.630377][  T319] softirqs last disabled at (20446): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.630379][  T319] Preemption disabled at:
| [   13.630380][  T319] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.630390][  T319] Tainted: [W]=WARN
[   13.630391][  T319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.630393][  T319] Call Trace:
[   13.630395][  T319]  <TASK>
[   13.630396][  T319]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.630402][  T319]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.630405][  T319]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.630409][  T319]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.630413][  T319]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.630418][  T319]  __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))
[   13.630421][  T319]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.630426][  T319]  ? 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)
[   13.630429][  T319]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.630432][  T319]  put_chars (drivers/char/virtio_console.c:1176)
[   13.630434][  T319]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.630436][  T319]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.630439][  T319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.630443][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.630446][  T319]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.630452][  T319]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.630455][  T319]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.630457][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.630459][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.630463][  T319]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.630465][  T319]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.630468][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.630470][  T319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.630474][  T319]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.630478][  T319]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.630480][  T319]  ? 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))
[   13.630483][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.630486][  T319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.630490][  T319]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.630495][  T319]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.630498][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.630504][  T319]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.630507][  T319]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.630509][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.630511][  T319]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.630515][  T319]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.630517][  T319]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.630520][  T319]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.630524][  T319]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.630527][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.630529][  T319]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.630533][  T319]  _printk (kernel/printk/printk.c:2504)
[   13.630537][  T319]  ? snapshot_read.cold (user.c:?)
[   13.630542][  T319]  ? br_multicast_flood (??:?) bridge
[   13.630556][  T319]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.630558][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.630559][  T319]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.630563][  T319] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.630573][  T319] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.630582][  T319] new_nbp (net/bridge/br_if.c:449) bridge
[   13.630595][  T319] br_add_if (net/bridge/br_if.c:592) bridge
[   13.630602][  T319]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.630606][  T319]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.630609][  T319]  ? __kernel_text_address (kernel/extable.c:79)
[   13.630613][  T319]  do_set_master (net/core/rtnetlink.c:3071)
[   13.630618][  T319]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.630621][  T319]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.630624][  T319]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.630625][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.630627][  T319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.630631][  T319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.630635][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.630638][  T319]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.630641][  T319]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.630644][  T319]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.630646][  T319]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.630648][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.630650][  T319]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   13.630653][  T319]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.630658][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.630660][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.630662][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.630665][  T319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.630666][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.630668][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.630671][  T319]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.630674][  T319]  ? __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)
[   13.630678][  T319]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.630684][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.630687][  T319]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.630689][  T319]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.630694][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.630699][  T319]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.630705][  T319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.630707][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.630711][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.630713][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.630715][  T319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.630717][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.630720][  T319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.630722][  T319]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.630726][  T319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.630728][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.630734][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.630736][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.630740][  T319]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.630742][  T319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.630745][  T319]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.630751][  T319]  ? 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))
[   13.630752][  T319]  ? 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))
[   13.630757][  T319]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.630760][  T319]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.630763][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.630767][  T319]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.630771][  T319]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.630777][  T319]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.630784][  T319]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.630787][  T319]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.630789][  T319]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.630791][  T319]  ? move_addr_to_kernel (net/socket.c:258)
[   13.630798][  T319]  ___sys_sendmsg (net/socket.c:2767)
[   13.630801][  T319]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.630816][  T319]  __sys_sendmsg (net/socket.c:2799)
[   13.630819][  T319]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.630826][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.630830][  T319]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.630833][  T319]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.630837][  T319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.630840][  T319] RIP: 0033:0x7f5f9eac054e
[   13.630844][  T319] 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
[   13.630845][  T319] RSP: 002b:00007fffbb420bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.630848][  T319] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5f9eac054e
[   13.630850][  T319] RDX: 0000000000000000 RSI: 00007fffbb420c80 RDI: 0000000000000005
[   13.630851][  T319] RBP: 00007fffbb420be0 R08: 0000000000000000 R09: 0000000000000000
[   13.630852][  T319] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a9cd
[   13.630852][  T319] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbb421340
| [   14.759915][  T357] softirqs last disabled at (13348): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.759917][  T357] Preemption disabled at:
| [   14.759918][  T357] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.759927][  T357] Tainted: [W]=WARN
[   14.759927][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.759929][  T357] Call Trace:
[   14.759931][  T357]  <TASK>
[   14.759932][  T357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.759938][  T357]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.759940][  T357]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.759944][  T357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.759949][  T357]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.759954][  T357]  __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))
[   14.759956][  T357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.759962][  T357]  ? 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)
[   14.759964][  T357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.759968][  T357]  put_chars (drivers/char/virtio_console.c:1176)
[   14.759969][  T357]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.759972][  T357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.759974][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.759979][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.759981][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.759985][  T357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.759988][  T357]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.759990][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.759991][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.759995][  T357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.759997][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.760000][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.760003][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.760007][  T357]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.760011][  T357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.760012][  T357]  ? 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))
[   14.760015][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.760018][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.760022][  T357]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.760026][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.760028][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.760033][  T357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.760036][  T357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.760038][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.760040][  T357]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.760044][  T357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.760045][  T357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.760049][  T357]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.760053][  T357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.760055][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.760058][  T357]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.760061][  T357]  _printk (kernel/printk/printk.c:2504)
[   14.760065][  T357]  ? snapshot_read.cold (user.c:?)
[   14.760069][  T357]  ? br_multicast_flood (??:?) bridge
[   14.760082][  T357]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.760083][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.760085][  T357]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.760089][  T357] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.760099][  T357] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.760107][  T357] new_nbp (net/bridge/br_if.c:449) bridge
[   14.760116][  T357] br_add_if (net/bridge/br_if.c:592) bridge
[   14.760123][  T357]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.760127][  T357]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.760130][  T357]  ? __kernel_text_address (kernel/extable.c:79)
[   14.760134][  T357]  do_set_master (net/core/rtnetlink.c:3071)
[   14.760139][  T357]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.760142][  T357]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.760145][  T357]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.760146][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.760148][  T357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.760152][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.760154][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.760156][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.760158][  T357]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.760162][  T357]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.760163][  T357]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.760166][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.760168][  T357]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.760171][  T357]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.760176][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.760178][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.760180][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.760183][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.760184][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.760186][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.760188][  T357]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.760192][  T357]  ? __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)
[   14.760195][  T357]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.760197][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.760200][  T357]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.760202][  T357]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.760207][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.760212][  T357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.760217][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.760219][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.760223][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.760225][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.760227][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.760229][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.760233][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.760234][  T357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.760237][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.760239][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.760243][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.760245][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.760248][  T357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.760250][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.760253][  T357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.760259][  T357]  ? 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))
[   14.760260][  T357]  ? 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))
[   14.760265][  T357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.760268][  T357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.760271][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.760275][  T357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.760279][  T357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.760283][  T357]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.760288][  T357]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.760290][  T357]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.760292][  T357]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.760294][  T357]  ? move_addr_to_kernel (net/socket.c:258)
[   14.760301][  T357]  ___sys_sendmsg (net/socket.c:2767)
[   14.760304][  T357]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.760325][  T357]  __sys_sendmsg (net/socket.c:2799)
[   14.760328][  T357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.760334][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.760337][  T357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.760340][  T357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.760343][  T357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.760345][  T357] RIP: 0033:0x7f41e9a1d54e
[   14.760349][  T357] 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
[   14.760351][  T357] RSP: 002b:00007ffcfe72aec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.760354][  T357] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f41e9a1d54e
[   14.760355][  T357] RDX: 0000000000000000 RSI: 00007ffcfe72af70 RDI: 0000000000000005
[   14.760356][  T357] RBP: 00007ffcfe72aed0 R08: 0000000000000000 R09: 0000000000000000
[   14.760357][  T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a9cf
[   14.760357][  T357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfe72b630
| [   22.327973][  T446] softirqs last disabled at (22361): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   22.327975][  T446] Preemption disabled at:
| [   22.327976][  T446] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.327985][  T446] Tainted: [W]=WARN
[   22.327986][  T446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.327987][  T446] Call Trace:
[   22.327989][  T446]  <TASK>
[   22.327991][  T446]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.327996][  T446]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.327998][  T446]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.328003][  T446]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.328007][  T446]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.328012][  T446]  __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))
[   22.328014][  T446]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.328020][  T446]  ? 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)
[   22.328024][  T446]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.328028][  T446]  put_chars (drivers/char/virtio_console.c:1176)
[   22.328030][  T446]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   22.328032][  T446]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.328035][  T446]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.328038][  T446]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.328042][  T446]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.328045][  T446]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.328047][  T446]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.328051][  T446]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.328052][  T446]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   22.328056][  T446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.328059][  T446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.328063][  T446]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.328067][  T446]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.328068][  T446]  ? 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))
[   22.328071][  T446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.328074][  T446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.328078][  T446]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.328083][  T446]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.328086][  T446]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.328094][  T446]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.328098][  T446]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.328101][  T446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.328104][  T446]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.328108][  T446]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.328110][  T446]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.328113][  T446]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.328118][  T446]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.328123][  T446]  ? 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
[   22.328127][  T446]  _printk (kernel/printk/printk.c:2504)
[   22.328130][  T446]  ? snapshot_read.cold (user.c:?)
[   22.328137][  T446]  ? 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)
[   22.328140][  T446] gact_init_module (net/sched/act_gact.c:180) act_gact
[   22.328143][  T446]  do_one_initcall (init/main.c:1357)
[   22.328145][  T446]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   22.328150][  T446]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   22.328153][  T446]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   22.328158][  T446]  do_init_module (kernel/module/main.c:3117)
[   22.328162][  T446]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.328166][  T446]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   22.328169][  T446]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   22.328173][  T446]  load_module (kernel/module/main.c:3593)
[   22.328181][  T446]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   22.328185][  T446]  ? __ia32_sys_fsconfig (??:?)
[   22.328188][  T446]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.328190][  T446]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.328194][  T446]  init_module_from_file (kernel/module/main.c:3790)
[   22.328198][  T446]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   22.328206][  T446]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   22.328209][  T446]  ? 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)
[   22.328213][  T446]  idempotent_init_module (kernel/module/main.c:3802)
[   22.328219][  T446]  ? init_module_from_file (kernel/module/main.c:3791)
[   22.328226][  T446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.328229][  T446]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   22.328235][  T446]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   22.328237][  T446]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.328241][  T446]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.328242][  T446]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.328245][  T446]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.328247][  T446] RIP: 0033:0x7f73e10c937d
[   22.328251][  T446] 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
[   22.328253][  T446] RSP: 002b:00007ffcc3c6c4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   22.328255][  T446] RAX: ffffffffffffffda RBX: 000055e5241f0810 RCX: 00007f73e10c937d
[   22.328257][  T446] RDX: 0000000000000000 RSI: 000055e4fe869ffd RDI: 0000000000000000
[   22.328258][  T446] RBP: 00007ffcc3c6c560 R08: 0000000000000000 R09: 0000000000000000
[   22.328259][  T446] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e4fe869ffd
[   22.328260][  T446] R13: 000055e5241f0960 R14: 0000000000040000 R15: 0000000000000000
| [   27.065815][    C3] softirqs last disabled at (891381): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.065818][    C3] Preemption disabled at:
| [   27.065819][    C3] 0x0
| [   27.065832][    C3] Tainted: [W]=WARN
[   27.065833][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.065836][    C3] Call Trace:
[   27.065838][    C3]  <IRQ>
[   27.065840][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.065846][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.065851][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.065855][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.065859][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.065864][    C3]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.065868][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.065871][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.065876][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.065878][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.065881][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   27.065884][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.065887][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.065891][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.065896][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.065898][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.065901][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.065904][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.065908][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.065910][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.065913][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.065915][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.065918][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.065920][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.065924][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.065928][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.065930][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.065933][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.065935][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.065937][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.065939][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.065942][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.065945][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.065948][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.065951][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.065954][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.065971][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.065973][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.065984][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.065995][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   27.065999][    C3]  _printk (kernel/printk/printk.c:2504)
[   27.066003][    C3]  ? snapshot_read.cold (user.c:?)
[   27.066006][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.066011][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.066014][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.066017][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.066020][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.066025][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.066028][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.066031][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.066034][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.066037][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.066048][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.066050][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.066053][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.066064][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.066066][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.066077][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.066088][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.066099][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   27.066103][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.066105][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.066110][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.066112][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.066115][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.066118][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.066121][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.066133][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.066135][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.066140][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.066143][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.066146][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.066149][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.066152][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.066155][    C3]  handle_softirqs (kernel/softirq.c:645)
[   27.066158][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.066160][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.066163][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.066165][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   27.066168][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.066171][    C3]  </IRQ>
[   27.066172][    C3]  <TASK>
[   27.066173][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.066176][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.066179][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.066182][    C3] 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
[   27.066185][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   27.066189][    C3] RAX: 00000000000d99f3 RBX: ff11000001c88040 RCX: ffffffff85af0307
[   27.066191][    C3] RDX: ff11000001c88040 RSI: ffffffff88838af6 RDI: ffffffff8828d8e0
[   27.066192][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.066194][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   27.066195][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.066197][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.066202][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.066205][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   27.066207][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.066209][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   27.066212][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.066215][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.066217][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.066220][    C3]  do_idle (kernel/sched/idle.c:355)
[   27.066222][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.066225][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.066227][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.066230][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.142748][    C3]
| [   27.142815][    C3]
| [   27.142815][    C3] stack backtrace:
| [   27.143030][    C3] Tainted: [W]=WARN
[   27.143031][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.143033][    C3] Call Trace:
[   27.143034][    C3]  <IRQ>
[   27.143036][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.143040][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.143043][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.143046][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.143048][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.143050][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.143052][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.143054][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.143061][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.143064][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.143066][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.143072][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.143074][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.143080][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.143086][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.143092][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   27.143094][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.143096][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.143099][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.143101][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.143103][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.143105][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.143107][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.143114][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.143116][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.143118][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.143121][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.143123][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.143124][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.143127][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.143128][    C3]  handle_softirqs (kernel/softirq.c:645)
[   27.143131][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.143132][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.143134][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.143136][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   27.143137][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.143139][    C3]  </IRQ>
[   27.143139][    C3]  <TASK>
[   27.143140][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.143141][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.143143][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.143146][    C3] 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
[   27.143147][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   27.143150][    C3] RAX: 00000000000d99f3 RBX: ff11000001c88040 RCX: ffffffff85af0307
[   27.143151][    C3] RDX: ff11000001c88040 RSI: ffffffff88838af6 RDI: ffffffff8828d8e0
[   27.143152][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.143153][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   27.143153][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.143155][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.143157][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.143159][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   27.143161][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.143162][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   27.143164][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.143166][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.143167][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.143169][    C3]  do_idle (kernel/sched/idle.c:355)
[   27.143171][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.143172][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.143174][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.143175][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   65.752471][   T70] softirqs last disabled at (29280): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   65.752475][   T70] Preemption disabled at:
| [   65.752476][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.752490][   T70] Tainted: [W]=WARN
[   65.752492][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.752494][   T70] Workqueue: netns cleanup_net
[   65.752501][   T70] Call Trace:
[   65.752503][   T70]  <TASK>
[   65.752505][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.752511][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.752514][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.752519][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.752523][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.752528][   T70]  __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))
[   65.752533][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.752536][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.752540][   T70]  ? 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)
[   65.752543][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.752546][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   65.752549][   T70]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   65.752551][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.752554][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   65.752558][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.752563][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.752565][   T70]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   65.752567][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.752577][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.752579][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.752582][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.752586][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.752590][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.752593][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.752595][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.752598][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.752600][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.752604][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   65.752606][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.752610][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.752614][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.752616][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.752619][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.752621][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.752623][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.752626][   T70]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   65.752628][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   65.752631][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.752634][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.752637][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.752641][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.752643][   T70]  ? process_one_work (kernel/workqueue.c:3387)
[   65.752647][   T70]  ? kthread (kernel/kthread.c:436)
[   65.752649][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   65.752653][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   65.752657][   T70]  _printk (kernel/printk/printk.c:2504)
[   65.752661][   T70]  ? snapshot_read.cold (user.c:?)
[   65.752665][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   65.752668][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   65.752671][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   65.752674][   T70]  ? netdev_notice (net/core/dev.c:13194)
[   65.752677][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.752682][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   65.752684][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   65.752688][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   65.752690][   T70]  ? 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)
[   65.752694][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   65.752699][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[   65.752703][   T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   65.752723][   T70] br_dev_delete (net/bridge/br_if.c:387) bridge
[   65.752737][   T70] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   65.752750][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   65.752753][   T70]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   65.752756][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   65.752761][   T70]  cleanup_net (net/core/net_namespace.c:706)
[   65.752764][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   65.752767][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.752770][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.752773][   T70]  process_one_work (kernel/workqueue.c:3387)
[   65.752777][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   65.752780][   T70]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.752783][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.752787][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   65.752791][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   65.752793][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   65.752796][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   65.752799][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   65.752801][   T70]  kthread (kernel/kthread.c:436)
[   65.752803][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   65.752806][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   65.752808][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   65.752811][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   65.752814][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   65.752818][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars