======================================
| [   12.580490][  T269] softirqs last disabled at (12926): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.580493][  T269] Preemption disabled at:
| [   12.580493][  T269] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.580502][  T269] Tainted: [W]=WARN
[   12.580503][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.580505][  T269] Call Trace:
[   12.580506][  T269]  <TASK>
[   12.580508][  T269]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.580514][  T269]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.580516][  T269]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.580520][  T269]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.580525][  T269]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.580530][  T269]  __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))
[   12.580532][  T269]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.580537][  T269]  ? 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)
[   12.580540][  T269]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.580543][  T269]  put_chars (drivers/char/virtio_console.c:1176)
[   12.580546][  T269]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.580550][  T269]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.580554][  T269]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.580556][  T269]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.580558][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.580560][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.580564][  T269]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.580566][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.580569][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.580573][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.580577][  T269]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.580580][  T269]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.580582][  T269]  ? 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))
[   12.580585][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.580588][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.580592][  T269]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.580596][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.580597][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.580602][  T269]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.580605][  T269]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.580607][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.580609][  T269]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.580613][  T269]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.580615][  T269]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.580618][  T269]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.580622][  T269]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.580624][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.580626][  T269]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.580630][  T269]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.580634][  T269]  _printk (kernel/printk/printk.c:2504)
[   12.580637][  T269]  ? snapshot_read.cold (user.c:?)
[   12.580641][  T269]  ? br_multicast_flood (??:?) bridge
[   12.580654][  T269]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.580655][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.580657][  T269]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.580661][  T269] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.580671][  T269] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.580679][  T269] new_nbp (net/bridge/br_if.c:449) bridge
[   12.580688][  T269] br_add_if (net/bridge/br_if.c:592) bridge
[   12.580695][  T269]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.580699][  T269]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.580702][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   12.580706][  T269]  do_set_master (net/core/rtnetlink.c:3071)
[   12.580710][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.580713][  T269]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.580716][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.580718][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.580720][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.580723][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.580726][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.580728][  T269]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.580730][  T269]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.580733][  T269]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.580735][  T269]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.580738][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.580739][  T269]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.580742][  T269]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.580747][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.580749][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.580751][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.580753][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.580755][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.580757][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.580759][  T269]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.580763][  T269]  ? __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)
[   12.580764][  T269]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.580766][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.580769][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.580771][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.580776][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.580781][  T269]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.580786][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.580788][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.580792][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.580794][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.580796][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.580798][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.580802][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.580804][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.580807][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.580808][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.580812][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.580814][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.580817][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.580819][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.580822][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.580828][  T269]  ? 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))
[   12.580829][  T269]  ? 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))
[   12.580833][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.580837][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.580839][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.580843][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.580847][  T269]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.580851][  T269]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.580856][  T269]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.580858][  T269]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.580860][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.580862][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   12.580869][  T269]  ___sys_sendmsg (net/socket.c:2767)
[   12.580872][  T269]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.580887][  T269]  __sys_sendmsg (net/socket.c:2799)
[   12.580890][  T269]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.580896][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.580899][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.580902][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.580905][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.580907][  T269] RIP: 0033:0x7fe42998154e
[   12.580910][  T269] 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
[   12.580912][  T269] RSP: 002b:00007ffc76d708d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.580915][  T269] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe42998154e
[   12.580916][  T269] RDX: 0000000000000000 RSI: 00007ffc76d70980 RDI: 0000000000000005
[   12.580917][  T269] RBP: 00007ffc76d708e0 R08: 0000000000000000 R09: 0000000000000000
[   12.580918][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915f63
[   12.580918][  T269] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc76d71040
| [   14.193919][  T318] softirqs last disabled at (18505): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.193922][  T318] Preemption disabled at:
| [   14.193922][  T318] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.193932][  T318] Tainted: [W]=WARN
[   14.193933][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.193934][  T318] Call Trace:
[   14.193936][  T318]  <TASK>
[   14.193937][  T318]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.193943][  T318]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.193945][  T318]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.193950][  T318]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.193954][  T318]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.193959][  T318]  __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))
[   14.193961][  T318]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.193967][  T318]  ? 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)
[   14.193970][  T318]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.193973][  T318]  put_chars (drivers/char/virtio_console.c:1176)
[   14.193975][  T318]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.193977][  T318]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.193980][  T318]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.193985][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.193987][  T318]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.193991][  T318]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.193994][  T318]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.193995][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.193997][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.194001][  T318]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.194003][  T318]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.194006][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.194008][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.194012][  T318]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.194016][  T318]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.194018][  T318]  ? 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))
[   14.194022][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.194024][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.194028][  T318]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.194032][  T318]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.194034][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.194039][  T318]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.194042][  T318]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.194044][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.194046][  T318]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.194050][  T318]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.194054][  T318]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.194057][  T318]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.194061][  T318]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.194063][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.194066][  T318]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.194070][  T318]  _printk (kernel/printk/printk.c:2504)
[   14.194073][  T318]  ? snapshot_read.cold (user.c:?)
[   14.194077][  T318]  ? br_multicast_flood (??:?) bridge
[   14.194090][  T318]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.194091][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.194092][  T318]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.194097][  T318] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.194107][  T318] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.194115][  T318] new_nbp (net/bridge/br_if.c:449) bridge
[   14.194125][  T318] br_add_if (net/bridge/br_if.c:592) bridge
[   14.194132][  T318]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.194136][  T318]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.194139][  T318]  ? __kernel_text_address (kernel/extable.c:79)
[   14.194143][  T318]  do_set_master (net/core/rtnetlink.c:3071)
[   14.194147][  T318]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.194151][  T318]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.194155][  T318]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.194156][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.194158][  T318]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.194161][  T318]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.194164][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.194166][  T318]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.194168][  T318]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.194171][  T318]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.194173][  T318]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.194176][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.194177][  T318]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.194180][  T318]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.194185][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.194187][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.194190][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.194192][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.194193][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.194195][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.194198][  T318]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.194201][  T318]  ? __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)
[   14.194204][  T318]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.194206][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.194210][  T318]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.194211][  T318]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.194216][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.194221][  T318]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.194226][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.194228][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.194232][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.194234][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.194236][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.194238][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.194242][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.194244][  T318]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.194247][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.194248][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.194252][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.194254][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.194257][  T318]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.194259][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.194262][  T318]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.194268][  T318]  ? 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))
[   14.194270][  T318]  ? 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))
[   14.194274][  T318]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.194277][  T318]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.194280][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.194284][  T318]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.194288][  T318]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.194291][  T318]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.194302][  T318]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.194304][  T318]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.194307][  T318]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.194308][  T318]  ? move_addr_to_kernel (net/socket.c:258)
[   14.194315][  T318]  ___sys_sendmsg (net/socket.c:2767)
[   14.194318][  T318]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.194333][  T318]  __sys_sendmsg (net/socket.c:2799)
[   14.194336][  T318]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.194342][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.194346][  T318]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.194348][  T318]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.194351][  T318]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.194353][  T318] RIP: 0033:0x7f703de1b54e
[   14.194357][  T318] 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
[   14.194359][  T318] RSP: 002b:00007fffa675ced0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.194362][  T318] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f703de1b54e
[   14.194363][  T318] RDX: 0000000000000000 RSI: 00007fffa675cf80 RDI: 0000000000000005
[   14.194364][  T318] RBP: 00007fffa675cee0 R08: 0000000000000000 R09: 0000000000000000
[   14.194365][  T318] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915f65
[   14.194365][  T318] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa675d640
| [   15.324320][  T357] softirqs last disabled at (12114): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.324323][  T357] Preemption disabled at:
| [   15.324324][  T357] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.324337][  T357] Tainted: [W]=WARN
[   15.324338][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.324340][  T357] Call Trace:
[   15.324342][  T357]  <TASK>
[   15.324344][  T357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.324352][  T357]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.324355][  T357]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.324362][  T357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.324368][  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)
[   15.324375][  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))
[   15.324379][  T357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.324388][  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)
[   15.324392][  T357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.324397][  T357]  put_chars (drivers/char/virtio_console.c:1176)
[   15.324400][  T357]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.324403][  T357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.324409][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.324414][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.324418][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.324425][  T357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.324429][  T357]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.324431][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.324434][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.324441][  T357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.324444][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.324450][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.324453][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.324460][  T357]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.324467][  T357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.324469][  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))
[   15.324475][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.324478][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.324485][  T357]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.324492][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.324495][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.324505][  T357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.324510][  T357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.324512][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.324516][  T357]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.324522][  T357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.324525][  T357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.324531][  T357]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.324537][  T357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.324541][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.324546][  T357]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.324551][  T357]  _printk (kernel/printk/printk.c:2504)
[   15.324557][  T357]  ? snapshot_read.cold (user.c:?)
[   15.324563][  T357]  ? br_multicast_flood (??:?) bridge
[   15.324582][  T357]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.324585][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.324587][  T357]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.324595][  T357] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.324614][  T357] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.324630][  T357] new_nbp (net/bridge/br_if.c:449) bridge
[   15.324647][  T357] br_add_if (net/bridge/br_if.c:592) bridge
[   15.324660][  T357]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.324666][  T357]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.324670][  T357]  ? __kernel_text_address (kernel/extable.c:79)
[   15.324677][  T357]  do_set_master (net/core/rtnetlink.c:3071)
[   15.324685][  T357]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.324691][  T357]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.324695][  T357]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.324698][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.324701][  T357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.324705][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.324709][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.324712][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.324717][  T357]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.324721][  T357]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.324723][  T357]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.324727][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.324730][  T357]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   15.324734][  T357]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.324741][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.324744][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.324749][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.324753][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.324755][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.324758][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.324761][  T357]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.324767][  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)
[   15.324771][  T357]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.324776][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.324782][  T357]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.324785][  T357]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.324794][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.324803][  T357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.324813][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.324817][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.324824][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.324827][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.324831][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.324834][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.324841][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.324845][  T357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.324850][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.324852][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.324860][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.324863][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.324869][  T357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.324872][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.324877][  T357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.324889][  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))
[   15.324891][  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))
[   15.324899][  T357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.324906][  T357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.324910][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.324918][  T357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.324924][  T357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.324931][  T357]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.324940][  T357]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.324944][  T357]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.324947][  T357]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.324950][  T357]  ? move_addr_to_kernel (net/socket.c:258)
[   15.324964][  T357]  ___sys_sendmsg (net/socket.c:2767)
[   15.324968][  T357]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.324998][  T357]  __sys_sendmsg (net/socket.c:2799)
[   15.325003][  T357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.325014][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.325021][  T357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.325024][  T357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.325029][  T357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.325033][  T357] RIP: 0033:0x7f9fcdab554e
[   15.325037][  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
[   15.325040][  T357] RSP: 002b:00007ffd52e0b940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.325044][  T357] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9fcdab554e
[   15.325046][  T357] RDX: 0000000000000000 RSI: 00007ffd52e0b9f0 RDI: 0000000000000005
[   15.325047][  T357] RBP: 00007ffd52e0b950 R08: 0000000000000000 R09: 0000000000000000
[   15.325049][  T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915f66
[   15.325053][  T357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd52e0c0b0
| [   23.148586][  T445] softirqs last disabled at (16703): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.148588][  T445] Preemption disabled at:
| [   23.148589][  T445] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.148598][  T445] Tainted: [W]=WARN
[   23.148599][  T445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.148601][  T445] Call Trace:
[   23.148602][  T445]  <TASK>
[   23.148604][  T445]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.148609][  T445]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.148612][  T445]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.148616][  T445]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.148620][  T445]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.148625][  T445]  __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))
[   23.148627][  T445]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.148634][  T445]  ? 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)
[   23.148636][  T445]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.148639][  T445]  put_chars (drivers/char/virtio_console.c:1176)
[   23.148641][  T445]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   23.148643][  T445]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.148646][  T445]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.148650][  T445]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.148654][  T445]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.148657][  T445]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.148658][  T445]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.148663][  T445]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.148664][  T445]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   23.148667][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.148670][  T445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.148674][  T445]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.148678][  T445]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.148680][  T445]  ? 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))
[   23.148683][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.148685][  T445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.148689][  T445]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.148693][  T445]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.148695][  T445]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.148700][  T445]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.148703][  T445]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.148704][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.148707][  T445]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.148710][  T445]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.148712][  T445]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.148715][  T445]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.148720][  T445]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.148726][  T445]  ? 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
[   23.148729][  T445]  _printk (kernel/printk/printk.c:2504)
[   23.148732][  T445]  ? snapshot_read.cold (user.c:?)
[   23.148739][  T445]  ? 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)
[   23.148742][  T445] gact_init_module (net/sched/act_gact.c:180) act_gact
[   23.148745][  T445]  do_one_initcall (init/main.c:1357)
[   23.148747][  T445]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   23.148752][  T445]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   23.148755][  T445]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   23.148760][  T445]  do_init_module (kernel/module/main.c:3117)
[   23.148764][  T445]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.148768][  T445]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   23.148771][  T445]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   23.148775][  T445]  load_module (kernel/module/main.c:3593)
[   23.148782][  T445]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   23.148786][  T445]  ? __ia32_sys_fsconfig (??:?)
[   23.148789][  T445]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   23.148793][  T445]  ? backing_file_read_iter (fs/backing-file.c:211)
[   23.148796][  T445]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.148800][  T445]  init_module_from_file (kernel/module/main.c:3790)
[   23.148803][  T445]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   23.148811][  T445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.148815][  T445]  ? 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)
[   23.148818][  T445]  idempotent_init_module (kernel/module/main.c:3802)
[   23.148821][  T445]  ? init_module_from_file (kernel/module/main.c:3791)
[   23.148828][  T445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.148830][  T445]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   23.148836][  T445]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   23.148838][  T445]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.148842][  T445]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.148844][  T445]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.148847][  T445]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.148849][  T445] RIP: 0033:0x7fcefc50e37d
[   23.148852][  T445] 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
[   23.148854][  T445] RSP: 002b:00007ffc299a7c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   23.148857][  T445] RAX: ffffffffffffffda RBX: 0000555a3991e810 RCX: 00007fcefc50e37d
[   23.148858][  T445] RDX: 0000000000000000 RSI: 0000555a0d137ffd RDI: 0000000000000000
[   23.148859][  T445] RBP: 00007ffc299a7cb0 R08: 0000000000000000 R09: 0000000000000000
[   23.148860][  T445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555a0d137ffd
[   23.148861][  T445] R13: 0000555a3991e960 R14: 0000000000040000 R15: 0000000000000000
| [   28.025198][    C3] softirqs last disabled at (830163): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.025201][    C3] Preemption disabled at:
| [   28.025202][    C3] 0x0
| [   28.025216][    C3] Tainted: [W]=WARN
[   28.025217][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.025220][    C3] Call Trace:
[   28.025222][    C3]  <IRQ>
[   28.025225][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.025231][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.025236][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.025239][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.025243][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.025246][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.025252][    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))
[   28.025256][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.025258][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.025263][    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)
[   28.025265][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.025268][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   28.025271][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.025274][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.025279][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.025284][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.025286][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.025288][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.025292][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.025295][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.025298][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.025300][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.025303][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.025306][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.025308][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.025311][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.025315][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.025318][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.025320][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.025322][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.025324][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.025327][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.025330][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.025332][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.025335][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.025339][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.025347][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.025364][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.025366][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.025377][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.025388][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   28.025393][    C3]  _printk (kernel/printk/printk.c:2504)
[   28.025397][    C3]  ? snapshot_read.cold (user.c:?)
[   28.025399][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.025405][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.025408][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.025410][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.025414][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.025418][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.025421][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.025424][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.025427][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.025430][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.025441][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.025443][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.025446][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.025457][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.025460][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.025471][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.025483][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.025493][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   28.025497][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.025500][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.025504][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.025507][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.025510][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.025513][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.025516][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.025527][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.025530][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.025534][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.025538][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.025541][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.025543][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.025546][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.025549][    C3]  handle_softirqs (kernel/softirq.c:645)
[   28.025552][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.025554][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.025557][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.025560][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   28.025562][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.025566][    C3]  </IRQ>
[   28.025567][    C3]  <TASK>
[   28.025568][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.025570][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.025573][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.025577][    C3] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 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 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  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 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  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
[   28.025580][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   28.025584][    C3] RAX: 00000000000caad1 RBX: ff11000001c88040 RCX: ffffffff860f0307
[   28.025585][    C3] RDX: ff11000001c88040 RSI: ffffffff88e38b01 RDI: ffffffff8888d8e0
[   28.025587][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.025588][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   28.025590][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.025592][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.025596][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.025599][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   28.025601][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.025604][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   28.025606][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.025609][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.025611][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.025614][    C3]  do_idle (kernel/sched/idle.c:355)
[   28.025616][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.025618][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.025621][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.025624][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.114728][    C3]
| [   28.114829][    C3]
| [   28.114829][    C3] stack backtrace:
| [   28.115154][    C3] Tainted: [W]=WARN
[   28.115155][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.115157][    C3] Call Trace:
[   28.115159][    C3]  <IRQ>
[   28.115161][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.115167][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.115171][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.115176][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.115179][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.115181][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.115185][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.115187][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.115202][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.115206][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.115209][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.115221][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.115224][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.115235][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.115246][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.115257][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   28.115261][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.115264][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.115269][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.115272][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.115274][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.115278][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.115280][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.115292][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.115295][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.115299][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.115303][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.115305][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.115308][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.115311][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.115314][    C3]  handle_softirqs (kernel/softirq.c:645)
[   28.115317][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.115320][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.115323][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.115325][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   28.115327][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.115330][    C3]  </IRQ>
[   28.115331][    C3]  <TASK>
[   28.115332][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.115335][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.115338][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.115346][    C3] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 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 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  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 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  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
[   28.115349][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   28.115352][    C3] RAX: 00000000000caad1 RBX: ff11000001c88040 RCX: ffffffff860f0307
[   28.115354][    C3] RDX: ff11000001c88040 RSI: ffffffff88e38b01 RDI: ffffffff8888d8e0
[   28.115355][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.115357][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   28.115358][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.115361][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.115364][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.115367][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   28.115369][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.115372][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   28.115374][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.115377][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.115379][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.115382][    C3]  do_idle (kernel/sched/idle.c:355)
[   28.115384][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.115386][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.115389][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.115392][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   66.503247][   T70] softirqs last disabled at (26194): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   66.503250][   T70] Preemption disabled at:
| [   66.503250][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.503262][   T70] Tainted: [W]=WARN
[   66.503262][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.503264][   T70] Workqueue: netns cleanup_net
[   66.503270][   T70] Call Trace:
[   66.503271][   T70]  <TASK>
[   66.503273][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.503278][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.503280][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.503284][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.503287][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.503291][   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))
[   66.503294][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   66.503297][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.503301][   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)
[   66.503302][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.503304][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   66.503306][   T70]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   66.503308][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.503309][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   66.503312][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.503315][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.503316][   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)
[   66.503318][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   66.503319][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.503321][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.503323][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.503325][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.503327][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.503329][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.503331][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.503332][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.503334][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.503336][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   66.503338][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.503340][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.503343][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.503344][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.503346][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.503347][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.503349][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.503350][   T70]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   66.503352][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   66.503354][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.503356][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.503358][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.503360][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.503362][   T70]  ? process_one_work (kernel/workqueue.c:3387)
[   66.503365][   T70]  ? kthread (kernel/kthread.c:436)
[   66.503367][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   66.503369][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   66.503371][   T70]  _printk (kernel/printk/printk.c:2504)
[   66.503374][   T70]  ? snapshot_read.cold (user.c:?)
[   66.503376][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   66.503379][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   66.503381][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   66.503383][   T70]  ? netdev_notice (net/core/dev.c:13194)
[   66.503384][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.503386][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   66.503387][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   66.503390][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   66.503391][   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)
[   66.503394][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   66.503397][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[   66.503400][   T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   66.503413][   T70] br_dev_delete (net/bridge/br_if.c:387) bridge
[   66.503420][   T70] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   66.503427][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   66.503429][   T70]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   66.503431][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   66.503435][   T70]  cleanup_net (net/core/net_namespace.c:706)
[   66.503436][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   66.503438][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.503440][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.503442][   T70]  process_one_work (kernel/workqueue.c:3387)
[   66.503445][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   66.503447][   T70]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.503449][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   66.503451][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   66.503453][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   66.503455][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   66.503457][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   66.503459][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   66.503460][   T70]  kthread (kernel/kthread.c:436)
[   66.503462][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   66.503463][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   66.503465][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   66.503472][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   66.503475][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   66.503478][   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