======================================
| [   10.868768][  T247] softirqs last disabled at (15058): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.868771][  T247] Preemption disabled at:
| [   10.868772][  T247] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.868781][  T247] Tainted: [W]=WARN
[   10.868782][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.868784][  T247] Call Trace:
[   10.868785][  T247]  <TASK>
[   10.868787][  T247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.868793][  T247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.868795][  T247]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.868800][  T247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.868804][  T247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.868810][  T247]  __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))
[   10.868812][  T247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.868818][  T247]  ? 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)
[   10.868820][  T247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.868823][  T247]  put_chars (drivers/char/virtio_console.c:1176)
[   10.868826][  T247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.868831][  T247]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.868834][  T247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.868837][  T247]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.868839][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.868840][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.868844][  T247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.868846][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.868850][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.868854][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.868858][  T247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.868861][  T247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.868863][  T247]  ? 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))
[   10.868866][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.868869][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.868873][  T247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.868877][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.868879][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.868884][  T247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.868887][  T247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.868894][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.868896][  T247]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.868900][  T247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.868902][  T247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.868905][  T247]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.868909][  T247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.868911][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.868913][  T247]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.868917][  T247]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.868921][  T247]  _printk (kernel/printk/printk.c:2504)
[   10.868924][  T247]  ? snapshot_read.cold (user.c:?)
[   10.868928][  T247]  ? br_multicast_flood (??:?) bridge
[   10.868941][  T247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.868942][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.868944][  T247]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.868948][  T247] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   10.868958][  T247] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   10.868967][  T247] new_nbp (net/bridge/br_if.c:449) bridge
[   10.868976][  T247] br_add_if (net/bridge/br_if.c:592) bridge
[   10.868983][  T247]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.868987][  T247]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.868990][  T247]  ? __kernel_text_address (kernel/extable.c:79)
[   10.868994][  T247]  do_set_master (net/core/rtnetlink.c:3071)
[   10.868999][  T247]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.869002][  T247]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.869005][  T247]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.869006][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.869009][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.869012][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.869015][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.869017][  T247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.869020][  T247]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.869023][  T247]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.869024][  T247]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.869027][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.869029][  T247]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   10.869032][  T247]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.869036][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.869038][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.869041][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.869043][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.869045][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.869046][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.869049][  T247]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.869052][  T247]  ? __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)
[   10.869054][  T247]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.869056][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.869060][  T247]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.869061][  T247]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.869066][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.869071][  T247]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.869077][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.869079][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.869083][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.869085][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.869087][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.869089][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.869093][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.869095][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.869098][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.869099][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.869103][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.869105][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.869109][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.869111][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.869114][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.869120][  T247]  ? 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))
[   10.869121][  T247]  ? 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))
[   10.869125][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.869129][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.869132][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.869136][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.869140][  T247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.869144][  T247]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.869149][  T247]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.869151][  T247]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.869154][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.869155][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   10.869163][  T247]  ___sys_sendmsg (net/socket.c:2767)
[   10.869165][  T247]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.869181][  T247]  __sys_sendmsg (net/socket.c:2799)
[   10.869184][  T247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.869190][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.869194][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.869197][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.869200][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.869202][  T247] RIP: 0033:0x7fe1bdcaa54e
[   10.869205][  T247] 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
[   10.869207][  T247] RSP: 002b:00007ffd971a3ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.869210][  T247] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe1bdcaa54e
[   10.869211][  T247] RDX: 0000000000000000 RSI: 00007ffd971a3b90 RDI: 0000000000000005
[   10.869212][  T247] RBP: 00007ffd971a3af0 R08: 0000000000000000 R09: 0000000000000000
[   10.869213][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91362d
[   10.869214][  T247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd971a4250
| [   18.545952][  T303] softirqs last disabled at (14492): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   18.545955][  T303] Preemption disabled at:
| [   18.545956][  T303] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.545969][  T303] Tainted: [W]=WARN
[   18.545970][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.545972][  T303] Call Trace:
[   18.545974][  T303]  <TASK>
[   18.545977][  T303]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.545984][  T303]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.545987][  T303]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.545994][  T303]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.545999][  T303]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.546007][  T303]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.546011][  T303]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.546019][  T303]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.546023][  T303]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.546028][  T303]  put_chars (drivers/char/virtio_console.c:1176)
[   18.546033][  T303]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.546035][  T303]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.546042][  T303]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.546051][  T303]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.546062][  T303]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.546066][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.546070][  T303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.546077][  T303]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.546083][  T303]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.546086][  T303]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.546091][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.546095][  T303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.546102][  T303]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.546110][  T303]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.546112][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.546122][  T303]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.546126][  T303]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.546129][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.546133][  T303]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.546139][  T303]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.546142][  T303]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.546147][  T303]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.546154][  T303]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.546156][  T303]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.546159][  T303]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.546163][  T303]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.546165][  T303]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.546169][  T303]  ? ___sys_sendmsg (net/socket.c:2767)
[   18.546171][  T303]  ? __sys_sendmsg (net/socket.c:2799)
[   18.546174][  T303]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.546182][  T303]  _printk (kernel/printk/printk.c:2504)
[   18.546187][  T303]  ? snapshot_read.cold (user.c:?)
[   18.546195][  T303]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   18.546200][  T303]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   18.546206][  T303]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.546210][  T303]  ? netdev_notice (net/core/dev.c:13194)
[   18.546217][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.546221][  T303]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   18.546226][  T303]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   18.546228][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.546231][  T303]  ? 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)
[   18.546237][  T303]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   18.546244][  T303]  dev_set_allmulti (net/core/dev_api.c:315)
[   18.546250][  T303] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   18.546270][  T303]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   18.546280][  T303] br_del_if (net/bridge/br_if.c:732) bridge
[   18.546294][  T303]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.546298][  T303]  do_set_master (net/core/rtnetlink.c:3055)
[   18.546305][  T303]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.546311][  T303]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.546316][  T303]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.546318][  T303]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.546322][  T303]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.546326][  T303]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.546330][  T303]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.546334][  T303]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.546338][  T303]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.546342][  T303]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.546344][  T303]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.546349][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.546352][  T303]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   18.546355][  T303]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.546361][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.546364][  T303]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.546369][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.546373][  T303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.546375][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.546378][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.546381][  T303]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.546386][  T303]  ? __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)
[   18.546389][  T303]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.546393][  T303]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.546399][  T303]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.546402][  T303]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.546411][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.546421][  T303]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.546431][  T303]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.546434][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.546442][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.546445][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.546449][  T303]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.546452][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.546459][  T303]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.546462][  T303]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.546468][  T303]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.546470][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.546479][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.546482][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.546488][  T303]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.546490][  T303]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.546496][  T303]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.546507][  T303]  ? 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))
[   18.546510][  T303]  ? 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))
[   18.546518][  T303]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.546524][  T303]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.546529][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.546536][  T303]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.546543][  T303]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.546550][  T303]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.546559][  T303]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.546562][  T303]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.546566][  T303]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.546569][  T303]  ? move_addr_to_kernel (net/socket.c:258)
[   18.546583][  T303]  ___sys_sendmsg (net/socket.c:2767)
[   18.546587][  T303]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.546622][  T303]  __sys_sendmsg (net/socket.c:2799)
[   18.546626][  T303]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.546638][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.546644][  T303]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.546646][  T303]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.546651][  T303]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.546655][  T303] RIP: 0033:0x7f765a7ac54e
[   18.546659][  T303] 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
[   18.546662][  T303] RSP: 002b:00007ffd1a09e170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.546665][  T303] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f765a7ac54e
[   18.546668][  T303] RDX: 0000000000000000 RSI: 00007ffd1a09e220 RDI: 0000000000000005
[   18.546669][  T303] RBP: 00007ffd1a09e180 R08: 0000000000000000 R09: 0000000000000000
[   18.546671][  T303] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913635
[   18.546672][  T303] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1a09e8e0
| [   20.692052][  T305] softirqs last disabled at (20738): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   20.692055][  T305] Preemption disabled at:
| [   20.692056][  T305] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.692069][  T305] Tainted: [W]=WARN
[   20.692070][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.692072][  T305] Call Trace:
[   20.692074][  T305]  <TASK>
[   20.692077][  T305]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.692085][  T305]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.692088][  T305]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.692094][  T305]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.692100][  T305]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.692107][  T305]  __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))
[   20.692111][  T305]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.692120][  T305]  ? 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)
[   20.692124][  T305]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.692129][  T305]  put_chars (drivers/char/virtio_console.c:1176)
[   20.692132][  T305]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   20.692136][  T305]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.692141][  T305]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.692147][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.692150][  T305]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.692156][  T305]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.692161][  T305]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.692164][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.692166][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.692173][  T305]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.692177][  T305]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   20.692182][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.692186][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.692193][  T305]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.692199][  T305]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.692202][  T305]  ? 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))
[   20.692207][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.692211][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.692218][  T305]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.692226][  T305]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.692228][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.692238][  T305]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.692243][  T305]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.692246][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.692249][  T305]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.692256][  T305]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.692259][  T305]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.692264][  T305]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.692271][  T305]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.692275][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.692280][  T305]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.692286][  T305]  _printk (kernel/printk/printk.c:2504)
[   20.692291][  T305]  ? snapshot_read.cold (user.c:?)
[   20.692298][  T305]  ? br_multicast_flood (??:?) bridge
[   20.692317][  T305]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   20.692319][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.692321][  T305]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.692329][  T305] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   20.692349][  T305] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   20.692364][  T305] new_nbp (net/bridge/br_if.c:449) bridge
[   20.692381][  T305] br_add_if (net/bridge/br_if.c:592) bridge
[   20.692394][  T305]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   20.692400][  T305]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   20.692404][  T305]  ? __kernel_text_address (kernel/extable.c:79)
[   20.692411][  T305]  do_set_master (net/core/rtnetlink.c:3071)
[   20.692419][  T305]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   20.692425][  T305]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.692430][  T305]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.692432][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.692435][  T305]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.692440][  T305]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.692444][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.692447][  T305]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.692452][  T305]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.692455][  T305]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.692458][  T305]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.692463][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.692466][  T305]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   20.692470][  T305]  ? ___sys_sendmsg (net/socket.c:2757)
[   20.692477][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.692480][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.692485][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.692489][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.692491][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.692494][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.692497][  T305]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.692503][  T305]  ? __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)
[   20.692507][  T305]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.692510][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.692517][  T305]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.692520][  T305]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.692529][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.692539][  T305]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.692549][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.692552][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.692560][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.692563][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.692567][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.692570][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.692577][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.692580][  T305]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.692586][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.692591][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.692599][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.692602][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.692608][  T305]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.692611][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.692616][  T305]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.692628][  T305]  ? 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))
[   20.692630][  T305]  ? 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))
[   20.692638][  T305]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.692645][  T305]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.692650][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.692657][  T305]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.692664][  T305]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.692671][  T305]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.692680][  T305]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.692684][  T305]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.692688][  T305]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.692690][  T305]  ? move_addr_to_kernel (net/socket.c:258)
[   20.692704][  T305]  ___sys_sendmsg (net/socket.c:2767)
[   20.692709][  T305]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.692740][  T305]  __sys_sendmsg (net/socket.c:2799)
[   20.692745][  T305]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.692756][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.692763][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.692766][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.692771][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.692774][  T305] RIP: 0033:0x7f989c87e54e
[   20.692779][  T305] 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
[   20.692782][  T305] RSP: 002b:00007ffc88978350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.692786][  T305] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f989c87e54e
[   20.692788][  T305] RDX: 0000000000000000 RSI: 00007ffc88978400 RDI: 0000000000000005
[   20.692790][  T305] RBP: 00007ffc88978360 R08: 0000000000000000 R09: 0000000000000000
[   20.692791][  T305] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913637
[   20.692792][  T305] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc88978ac0
| [   36.239739][    C0] softirqs last disabled at (761633): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   36.239742][    C0] Preemption disabled at:
| [   36.239743][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   36.239756][    C0] Tainted: [W]=WARN
[   36.239757][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.239760][    C0] Call Trace:
[   36.239762][    C0]  <IRQ>
[   36.239764][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.239771][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   36.239773][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.239778][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.239782][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   36.239785][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.239790][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   36.239795][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.239798][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.239803][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.239805][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.239808][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   36.239811][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.239814][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   36.239819][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.239823][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.239826][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.239828][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.239832][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.239835][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.239838][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.239840][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.239843][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.239846][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   36.239848][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.239852][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.239856][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.239858][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.239861][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.239863][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.239866][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.239868][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.239871][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.239873][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.239876][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.239880][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.239882][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.239885][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.239887][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   36.239893][    C0]  _printk (kernel/printk/printk.c:2504)
[   36.239897][    C0]  ? snapshot_read.cold (user.c:?)
[   36.239899][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   36.239904][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.239907][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   36.239910][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   36.239913][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   36.239918][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   36.239921][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   36.239923][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   36.239927][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.239929][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.239948][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.239950][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.239953][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.239965][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   36.239968][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.239987][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.239999][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.240010][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   36.240015][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   36.240017][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   36.240022][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.240025][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.240027][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.240031][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   36.240033][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.240046][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   36.240048][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.240053][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.240057][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   36.240060][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   36.240062][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.240065][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.240068][    C0]  handle_softirqs (kernel/softirq.c:645)
[   36.240071][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.240074][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   36.240077][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   36.240079][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   36.240081][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   36.240085][    C0]  </IRQ>
[   36.240086][    C0]  <TASK>
[   36.240087][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   36.240090][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   36.240093][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   36.240097][    C0] 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
[   36.240100][    C0] RSP: 0018:ffffffff8d407cf8 EFLAGS: 00000296
[   36.240104][    C0] RAX: 00000000000b9f1f RBX: ffffffff8d41c600 RCX: ffffffff8a4f0307
[   36.240106][    C0] RDX: ffffffff8d41c600 RSI: ffffffff8d238b01 RDI: ffffffff8cc8d8e0
[   36.240107][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   36.240109][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1a80fa2
[   36.240110][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   36.240113][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   36.240117][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   36.240119][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   36.240122][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   36.240124][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   36.240127][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   36.240129][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   36.240132][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.240135][    C0]  do_idle (kernel/sched/idle.c:355)
[   36.240138][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   36.240140][    C0]  rest_init (init/main.c:727)
[   36.240143][    C0]  ? __cpuidle_text_end (??:?)
[   36.240147][    C0]  ? rest_init (init/main.c:727)
[   36.240150][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   36.240154][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   36.240157][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   36.240161][    C0]  start_kernel (init/main.c:1185)
[   36.240164][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   36.240167][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   36.240170][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   36.328461][    C0]
| [   36.328566][    C0]
| [   36.328566][    C0] stack backtrace:
| [   36.328833][    C0] Tainted: [W]=WARN
[   36.328834][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.328836][    C0] Call Trace:
[   36.328838][    C0]  <IRQ>
[   36.328840][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.328845][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   36.328850][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   36.328854][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   36.328857][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   36.328860][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   36.328863][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.328866][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.328882][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.328886][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.328889][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.328901][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   36.328904][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.328915][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.328927][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.328939][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   36.328943][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   36.328945][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   36.328950][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.328953][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.328955][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.328959][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   36.328961][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.328974][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   36.328980][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.328984][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.328988][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   36.328991][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   36.328993][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.328996][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.328999][    C0]  handle_softirqs (kernel/softirq.c:645)
[   36.329003][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.329005][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   36.329009][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   36.329011][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   36.329013][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   36.329016][    C0]  </IRQ>
[   36.329017][    C0]  <TASK>
[   36.329018][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   36.329021][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   36.329024][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   36.329027][    C0] 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
[   36.329030][    C0] RSP: 0018:ffffffff8d407cf8 EFLAGS: 00000296
[   36.329033][    C0] RAX: 00000000000b9f1f RBX: ffffffff8d41c600 RCX: ffffffff8a4f0307
[   36.329035][    C0] RDX: ffffffff8d41c600 RSI: ffffffff8d238b01 RDI: ffffffff8cc8d8e0
[   36.329036][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   36.329038][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1a80fa2
[   36.329039][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   36.329042][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   36.329045][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   36.329048][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   36.329050][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   36.329052][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   36.329055][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   36.329057][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   36.329061][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.329064][    C0]  do_idle (kernel/sched/idle.c:355)
[   36.329066][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   36.329068][    C0]  rest_init (init/main.c:727)
[   36.329071][    C0]  ? __cpuidle_text_end (??:?)
[   36.329075][    C0]  ? rest_init (init/main.c:727)
[   36.329078][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   36.329082][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   36.329086][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   36.329089][    C0]  start_kernel (init/main.c:1185)
[   36.329092][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   36.329095][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   36.329098][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   39.461995][  T413] softirqs last disabled at (0): 0x0
| [   39.461996][  T413] Preemption disabled at:
| [   39.461997][  T413] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.462008][  T413] Tainted: [W]=WARN
[   39.462009][  T413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.462011][  T413] Call Trace:
[   39.462012][  T413]  <TASK>
[   39.462013][  T413]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.462019][  T413]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.462021][  T413]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.462024][  T413]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.462028][  T413]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   39.462030][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462034][  T413]  __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))
[   39.462037][  T413]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.462039][  T413]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.462043][  T413]  ? 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)
[   39.462045][  T413]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.462046][  T413]  put_chars (drivers/char/virtio_console.c:1176)
[   39.462048][  T413]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.462050][  T413]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   39.462053][  T413]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.462056][  T413]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.462057][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462059][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.462061][  T413]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.462063][  T413]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.462065][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462067][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462068][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462070][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.462072][  T413]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   39.462074][  T413]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.462076][  T413]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.462079][  T413]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.462080][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.462082][  T413]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.462083][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462085][  T413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.462086][  T413]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.462088][  T413]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   39.462090][  T413]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.462091][  T413]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.462093][  T413]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.462096][  T413]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.462097][  T413]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.462100][  T413]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.462103][  T413]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.462104][  T413]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.462107][  T413]  ? ___sys_sendmsg (net/socket.c:2767)
[   39.462108][  T413]  ? __sys_sendmsg (net/socket.c:2799)
[   39.462110][  T413]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.462113][  T413]  _printk (kernel/printk/printk.c:2504)
[   39.462116][  T413]  ? snapshot_read.cold (user.c:?)
[   39.462119][  T413]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.462121][  T413]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.462123][  T413]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.462125][  T413]  ? netdev_notice (net/core/dev.c:13194)
[   39.462127][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462129][  T413]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   39.462130][  T413]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   39.462132][  T413]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   39.462134][  T413]  ? 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)
[   39.462136][  T413]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   39.462139][  T413]  dev_set_allmulti (net/core/dev_api.c:315)
[   39.462142][  T413] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   39.462154][  T413]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   39.462157][  T413]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.462160][  T413] br_del_if (net/bridge/br_if.c:732) bridge
[   39.462168][  T413]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.462170][  T413]  do_set_master (net/core/rtnetlink.c:3055)
[   39.462172][  T413]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   39.462174][  T413]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.462177][  T413]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.462178][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462180][  T413]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.462184][  T413]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.462186][  T413]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.462187][  T413]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.462189][  T413]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.462191][  T413]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   39.462192][  T413]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   39.462193][  T413]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.462194][  T413]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.462195][  T413]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.462197][  T413]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.462198][  T413]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.462199][  T413]  ? ___sys_sendmsg (net/socket.c:2767)
[   39.462200][  T413]  ? __sys_sendmsg (net/socket.c:2799)
[   39.462202][  T413]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.462203][  T413]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.462205][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462207][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.462208][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462210][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462212][  T413]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.462214][  T413]  ? __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)
[   39.462216][  T413]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.462217][  T413]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.462218][  T413]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.462220][  T413]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.462222][  T413]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.462224][  T413]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.462226][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462228][  T413]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.462229][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.462230][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462232][  T413]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   39.462234][  T413]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   39.462236][  T413]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.462237][  T413]  ? __kernel_text_address (kernel/extable.c:79)
[   39.462238][  T413]  ? write_profile (profile.c:?)
[   39.462239][  T413]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   39.462242][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462243][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462245][  T413]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   39.462248][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.462250][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462252][  T413]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.462253][  T413]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.462255][  T413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.462256][  T413]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.462257][  T413]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.462260][  T413]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.462261][  T413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.462262][  T413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.462264][  T413]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.462265][  T413]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   39.462268][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462269][  T413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.462271][  T413]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.462273][  T413]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.462275][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462276][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462278][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.462280][  T413]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.462282][  T413]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.462283][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462285][  T413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.462287][  T413]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.462289][  T413]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.462290][  T413]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.462292][  T413]  ? move_addr_to_kernel (net/socket.c:258)
[   39.462293][  T413]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.462296][  T413]  ___sys_sendmsg (net/socket.c:2767)
[   39.462297][  T413]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.462302][  T413]  __sys_sendmsg (net/socket.c:2799)
[   39.462304][  T413]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.462307][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.462309][  T413]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.462310][  T413]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.462312][  T413]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.462313][  T413] RIP: 0033:0x7f8dcddfc54e
[   39.462315][  T413] 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
[   39.462317][  T413] RSP: 002b:00007ffcb69eaaf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.462321][  T413] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8dcddfc54e
[   39.462322][  T413] RDX: 0000000000000000 RSI: 00007ffcb69eaba0 RDI: 0000000000000005
[   39.462323][  T413] RBP: 00007ffcb69eab00 R08: 0000000000000000 R09: 0000000000000000
[   39.462324][  T413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913649
[   39.462325][  T413] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb69eb260
| [   41.530576][  T416] softirqs last disabled at (0): 0x0
| [   41.530578][  T416] Preemption disabled at:
| [   41.530578][  T416] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.530592][  T416] Tainted: [W]=WARN
[   41.530593][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.530595][  T416] Call Trace:
[   41.530597][  T416]  <TASK>
[   41.530598][  T416]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.530604][  T416]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.530606][  T416]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.530609][  T416]  ? __module_address (kernel/module/main.c:3915)
[   41.530613][  T416]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.530616][  T416]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   41.530618][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530621][  T416]  __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))
[   41.530624][  T416]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.530627][  T416]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.530630][  T416]  ? 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)
[   41.530632][  T416]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.530634][  T416]  put_chars (drivers/char/virtio_console.c:1176)
[   41.530636][  T416]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   41.530637][  T416]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.530639][  T416]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   41.530641][  T416]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.530644][  T416]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.530645][  T416]  ? 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)
[   41.530647][  T416]  ? vsnprintf (lib/vsprintf.c:2900)
[   41.530650][  T416]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.530652][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530654][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.530656][  T416]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.530658][  T416]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.530660][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530662][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530663][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530665][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.530667][  T416]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   41.530669][  T416]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.530671][  T416]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.530673][  T416]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.530675][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.530677][  T416]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.530678][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530680][  T416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.530681][  T416]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.530683][  T416]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   41.530685][  T416]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.530687][  T416]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.530689][  T416]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.530691][  T416]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.530693][  T416]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.530695][  T416]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.530696][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.530698][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530700][  T416]  _printk (kernel/printk/printk.c:2504)
[   41.530703][  T416]  ? snapshot_read.cold (user.c:?)
[   41.530705][  T416]  ? br_multicast_flood (??:?) bridge
[   41.530717][  T416]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.530720][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.530721][  T416]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.530723][  T416] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   41.530731][  T416] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   41.530739][  T416] new_nbp (net/bridge/br_if.c:449) bridge
[   41.530746][  T416] br_add_if (net/bridge/br_if.c:592) bridge
[   41.530752][  T416]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   41.530755][  T416]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.530757][  T416]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.530760][  T416]  ? __kernel_text_address (kernel/extable.c:79)
[   41.530761][  T416]  do_set_master (net/core/rtnetlink.c:3071)
[   41.530764][  T416]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.530766][  T416]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.530767][  T416]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.530768][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530770][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.530774][  T416]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.530777][  T416]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.530778][  T416]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.530780][  T416]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.530781][  T416]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   41.530783][  T416]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   41.530784][  T416]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.530785][  T416]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.530788][  T416]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.530789][  T416]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.530791][  T416]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.530793][  T416]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.530795][  T416]  ? __sys_sendmsg (net/socket.c:2799)
[   41.530796][  T416]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.530798][  T416]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.530800][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530802][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.530804][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530805][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530807][  T416]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.530810][  T416]  ? __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)
[   41.530812][  T416]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.530813][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.530815][  T416]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.530816][  T416]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.530818][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.530820][  T416]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.530822][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530824][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.530825][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.530827][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530829][  T416]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   41.530830][  T416]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.530832][  T416]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.530833][  T416]  ? __kernel_text_address (kernel/extable.c:79)
[   41.530834][  T416]  ? write_profile (profile.c:?)
[   41.530836][  T416]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   41.530838][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530840][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530841][  T416]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   41.530845][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.530846][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530848][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.530850][  T416]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.530851][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.530852][  T416]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.530854][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.530856][  T416]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.530858][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.530859][  T416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.530860][  T416]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.530861][  T416]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   41.530864][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530866][  T416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.530867][  T416]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.530869][  T416]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.530871][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530872][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530874][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.530876][  T416]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.530878][  T416]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.530880][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530881][  T416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.530883][  T416]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.530885][  T416]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.530886][  T416]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.530888][  T416]  ? move_addr_to_kernel (net/socket.c:258)
[   41.530889][  T416]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.530891][  T416]  ___sys_sendmsg (net/socket.c:2767)
[   41.530893][  T416]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.530898][  T416]  __sys_sendmsg (net/socket.c:2799)
[   41.530900][  T416]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.530902][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.530904][  T416]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.530906][  T416]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.530908][  T416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.530909][  T416] RIP: 0033:0x7ff45795654e
[   41.530911][  T416] 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
[   41.530913][  T416] RSP: 002b:00007fff068a7ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.530917][  T416] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff45795654e
[   41.530918][  T416] RDX: 0000000000000000 RSI: 00007fff068a7b60 RDI: 0000000000000005
[   41.530919][  T416] RBP: 00007fff068a7ac0 R08: 0000000000000000 R09: 0000000000000000
[   41.530920][  T416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91364b
[   41.530920][  T416] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff068a8220
| [   43.781486][  T458] softirqs last disabled at (0): 0x0
| [   43.781488][  T458] Preemption disabled at:
| [   43.781489][  T458] 0x0
| [   43.781497][  T458] Tainted: [W]=WARN
[   43.781498][  T458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.781499][  T458] Call Trace:
[   43.781501][  T458]  <TASK>
[   43.781502][  T458]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.781508][  T458]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.781512][  T458]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.781516][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781520][  T458]  __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))
[   43.781524][  T458]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.781526][  T458]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.781530][  T458]  ? 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)
[   43.781532][  T458]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.781534][  T458]  put_chars (drivers/char/virtio_console.c:1176)
[   43.781536][  T458]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.781537][  T458]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   43.781541][  T458]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.781544][  T458]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.781547][  T458]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.781548][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781550][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.781552][  T458]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.781555][  T458]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.781557][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781558][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781560][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781561][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.781563][  T458]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.781565][  T458]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.781567][  T458]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.781570][  T458]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.781572][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.781573][  T458]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.781575][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781576][  T458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.781578][  T458]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.781579][  T458]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   43.781581][  T458]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.781583][  T458]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.781585][  T458]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.781588][  T458]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.781592][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781594][  T458]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.781596][  T458]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   43.781598][  T458]  _printk (kernel/printk/printk.c:2504)
[   43.781601][  T458]  ? snapshot_read.cold (user.c:?)
[   43.781604][  T458]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   43.781608][  T458] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   43.781622][  T458] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   43.781631][  T458] br_device_event (net/bridge/br.c:111) bridge
[   43.781640][  T458]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   43.781643][  T458]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   43.781646][  T458]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   43.781649][  T458]  notifier_call_chain (kernel/notifier.c:85)
[   43.781653][  T458]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   43.781656][  T458]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.781658][  T458]  ? netif_change_name (net/core/dev.c:1517)
[   43.781660][  T458]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   43.781662][  T458]  ? __kernel_text_address (kernel/extable.c:79)
[   43.781664][  T458]  ? write_profile (profile.c:?)
[   43.781666][  T458]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.781669][  T458]  netif_change_flags (net/core/dev.c:9882)
[   43.781672][  T458]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   43.781674][  T458]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.781676][  T458]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.781677][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781679][  T458]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.781683][  T458]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.781685][  T458]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.781687][  T458]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.781688][  T458]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   43.781690][  T458]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   43.781691][  T458]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   43.781693][  T458]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.781694][  T458]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.781697][  T458]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.781698][  T458]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.781699][  T458]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.781702][  T458]  ? ___sys_sendmsg (net/socket.c:2767)
[   43.781703][  T458]  ? __sys_sendmsg (net/socket.c:2799)
[   43.781705][  T458]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.781707][  T458]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.781709][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781711][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.781712][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781714][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781716][  T458]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.781719][  T458]  ? __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)
[   43.781720][  T458]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.781722][  T458]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.781723][  T458]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.781725][  T458]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.781728][  T458]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.781729][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781731][  T458]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.781732][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.781734][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781736][  T458]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   43.781739][  T458]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.781741][  T458]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.781742][  T458]  ? __kernel_text_address (kernel/extable.c:79)
[   43.781744][  T458]  ? write_profile (profile.c:?)
[   43.781745][  T458]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.781746][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781748][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781749][  T458]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   43.781753][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.781754][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781756][  T458]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.781757][  T458]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.781759][  T458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.781760][  T458]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.781762][  T458]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.781764][  T458]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.781766][  T458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.781767][  T458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.781769][  T458]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.781770][  T458]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   43.781773][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781775][  T458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.781778][  T458]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.781780][  T458]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.781781][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781783][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781785][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.781787][  T458]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.781788][  T458]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.781790][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781792][  T458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.781794][  T458]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.781796][  T458]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.781797][  T458]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.781799][  T458]  ? move_addr_to_kernel (net/socket.c:258)
[   43.781800][  T458]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.781803][  T458]  ___sys_sendmsg (net/socket.c:2767)
[   43.781805][  T458]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.781809][  T458]  __sys_sendmsg (net/socket.c:2799)
[   43.781811][  T458]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.781814][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.781816][  T458]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.781817][  T458]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.781820][  T458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.781822][  T458] RIP: 0033:0x7f3d0712e54e
[   43.781824][  T458] 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
[   43.781826][  T458] RSP: 002b:00007ffc0b942410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.781829][  T458] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3d0712e54e
[   43.781831][  T458] RDX: 0000000000000000 RSI: 00007ffc0b9424c0 RDI: 0000000000000005
[   43.781832][  T458] RBP: 00007ffc0b942420 R08: 0000000000000000 R09: 0000000000000000
[   43.781832][  T458] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91364e


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars