======================================
| [   12.626718][  T283] softirqs last disabled at (12560): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.626720][  T283] Preemption disabled at:
| [   12.626721][  T283] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.626730][  T283] Tainted: [W]=WARN
[   12.626731][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.626732][  T283] Call Trace:
[   12.626734][  T283]  <TASK>
[   12.626735][  T283]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.626741][  T283]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.626743][  T283]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.626747][  T283]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.626751][  T283]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.626756][  T283]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.626758][  T283]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.626764][  T283]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.626767][  T283]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.626771][  T283]  put_chars (drivers/char/virtio_console.c:1176)
[   12.626774][  T283]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.626777][  T283]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.626783][  T283]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.626790][  T283]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.626793][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.626795][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.626799][  T283]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.626803][  T283]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.626805][  T283]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.626808][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.626810][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.626814][  T283]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.626818][  T283]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.626820][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.626825][  T283]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.626828][  T283]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.626830][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.626831][  T283]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.626835][  T283]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.626837][  T283]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.626839][  T283]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.626842][  T283]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.626844][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.626846][  T283]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.626850][  T283]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.626853][  T283]  _printk (kernel/printk/printk.c:2504)
[   12.626857][  T283]  ? snapshot_read.cold (user.c:?)
[   12.626860][  T283]  ? br_multicast_flood (??:?)
[   12.626864][  T283]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.626865][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.626866][  T283]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.626871][  T283]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   12.626875][  T283]  br_init_port (net/bridge/br_stp_if.c:39)
[   12.626877][  T283]  new_nbp (net/bridge/br_if.c:449)
[   12.626881][  T283]  br_add_if (net/bridge/br_if.c:592)
[   12.626883][  T283]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.626887][  T283]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.626892][  T283]  do_set_master (net/core/rtnetlink.c:3071)
[   12.626896][  T283]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.626900][  T283]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.626903][  T283]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.626904][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.626907][  T283]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.626910][  T283]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.626912][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.626914][  T283]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.626916][  T283]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.626919][  T283]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.626920][  T283]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.626921][  T283]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.626923][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.626925][  T283]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.626928][  T283]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.626931][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.626933][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.626936][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.626937][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.626939][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.626940][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.626942][  T283]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.626944][  T283]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.626946][  T283]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.626947][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.626951][  T283]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.626952][  T283]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.626957][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.626959][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.626964][  T283]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.626969][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.626971][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.626976][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.626978][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.626980][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.626982][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.626985][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.626987][  T283]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.626990][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.626992][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.626996][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.626998][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.627001][  T283]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.627004][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.627007][  T283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.627014][  T283]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.627015][  T283]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.627020][  T283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.627024][  T283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.627026][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.627030][  T283]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.627034][  T283]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.627038][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.627040][  T283]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.627045][  T283]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.627048][  T283]  ____sys_sendmsg (net/socket.c:2713)
[   12.627050][  T283]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.627052][  T283]  ? sock_write_iter (net/socket.c:1269)
[   12.627054][  T283]  ? move_addr_to_kernel (net/socket.c:258)
[   12.627061][  T283]  ___sys_sendmsg (net/socket.c:2767)
[   12.627064][  T283]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.627080][  T283]  __sys_sendmsg (net/socket.c:2799)
[   12.627083][  T283]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.627089][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.627092][  T283]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.627095][  T283]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.627097][  T283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.627099][  T283] RIP: 0033:0x7f2307cd254e
[   12.627103][  T283] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.627105][  T283] RSP: 002b:00007ffdaacdd3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.627107][  T283] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2307cd254e
[   12.627109][  T283] RDX: 0000000000000000 RSI: 00007ffdaacdd460 RDI: 0000000000000005
[   12.627110][  T283] RBP: 00007ffdaacdd3c0 R08: 0000000000000000 R09: 0000000000000000
[   12.627110][  T283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9188da
[   12.627111][  T283] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdaacddb20
| [   15.160170][  T346] softirqs last disabled at (19448): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.160172][  T346] Preemption disabled at:
| [   15.160173][  T346] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.160181][  T346] Tainted: [W]=WARN
[   15.160182][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.160184][  T346] Call Trace:
[   15.160186][  T346]  <TASK>
[   15.160187][  T346]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.160193][  T346]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.160195][  T346]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.160199][  T346]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.160203][  T346]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.160208][  T346]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.160210][  T346]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.160216][  T346]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.160219][  T346]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.160223][  T346]  put_chars (drivers/char/virtio_console.c:1176)
[   15.160225][  T346]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.160228][  T346]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.160233][  T346]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.160241][  T346]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.160244][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.160246][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.160250][  T346]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.160255][  T346]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.160256][  T346]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   15.160260][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.160261][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.160265][  T346]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.160269][  T346]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.160271][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.160277][  T346]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.160280][  T346]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.160282][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.160283][  T346]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   15.160287][  T346]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.160289][  T346]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.160291][  T346]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.160295][  T346]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.160296][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.160297][  T346]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.160301][  T346]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.160305][  T346]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.160307][  T346]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.160310][  T346]  ? ____sys_sendmsg (net/socket.c:2713)
[   15.160311][  T346]  ? ___sys_sendmsg (net/socket.c:2767)
[   15.160315][  T346]  _printk (kernel/printk/printk.c:2504)
[   15.160318][  T346]  ? snapshot_read.cold (user.c:?)
[   15.160323][  T346]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   15.160326][  T346]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   15.160330][  T346]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.160333][  T346]  ? netdev_notice (net/core/dev.c:13194)
[   15.160337][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.160339][  T346]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   15.160341][  T346]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   15.160343][  T346]  ? 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)
[   15.160346][  T346]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   15.160350][  T346]  dev_set_allmulti (net/core/dev_api.c:315)
[   15.160353][  T346]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   15.160360][  T346]  br_del_if (net/bridge/br_if.c:732)
[   15.160361][  T346]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.160366][  T346]  do_set_master (net/core/rtnetlink.c:3055)
[   15.160369][  T346]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.160372][  T346]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.160376][  T346]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.160377][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.160380][  T346]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.160384][  T346]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.160386][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.160387][  T346]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.160390][  T346]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.160392][  T346]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.160393][  T346]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.160394][  T346]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.160397][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.160399][  T346]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   15.160401][  T346]  ? ___sys_sendmsg (net/socket.c:2758)
[   15.160404][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.160406][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.160409][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.160411][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.160412][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.160413][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.160415][  T346]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.160417][  T346]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.160420][  T346]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.160422][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.160425][  T346]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.160426][  T346]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.160431][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.160433][  T346]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.160438][  T346]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.160443][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.160445][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.160449][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.160451][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.160453][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.160455][  T346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.160459][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.160461][  T346]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.160464][  T346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.160465][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.160470][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.160471][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.160475][  T346]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.160477][  T346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.160479][  T346]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.160486][  T346]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.160488][  T346]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.160492][  T346]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.160496][  T346]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.160498][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.160502][  T346]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.160506][  T346]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.160510][  T346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.160511][  T346]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   15.160517][  T346]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.160519][  T346]  ____sys_sendmsg (net/socket.c:2713)
[   15.160521][  T346]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.160524][  T346]  ? sock_write_iter (net/socket.c:1269)
[   15.160525][  T346]  ? move_addr_to_kernel (net/socket.c:258)
[   15.160532][  T346]  ___sys_sendmsg (net/socket.c:2767)
[   15.160535][  T346]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.160555][  T346]  __sys_sendmsg (net/socket.c:2799)
[   15.160558][  T346]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.160565][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.160568][  T346]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.160571][  T346]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.160574][  T346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.160576][  T346] RIP: 0033:0x7f1f0abec54e
[   15.160580][  T346] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.160581][  T346] RSP: 002b:00007ffc6aafba40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.160584][  T346] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1f0abec54e
[   15.160585][  T346] RDX: 0000000000000000 RSI: 00007ffc6aafbaf0 RDI: 0000000000000005
[   15.160586][  T346] RBP: 00007ffc6aafba50 R08: 0000000000000000 R09: 0000000000000000
[   15.160587][  T346] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9188dd
[   15.160588][  T346] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6aafc1b0
| [   17.967908][  T430] softirqs last disabled at (20590): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   17.967911][  T430] Preemption disabled at:
| [   17.967911][  T430] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.967920][  T430] Tainted: [W]=WARN
[   17.967921][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.967923][  T430] Call Trace:
[   17.967925][  T430]  <TASK>
[   17.967927][  T430]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.967933][  T430]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.967934][  T430]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.967939][  T430]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.967944][  T430]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.967948][  T430]  __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))
[   17.967950][  T430]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.967957][  T430]  ? 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)
[   17.967959][  T430]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.967963][  T430]  put_chars (drivers/char/virtio_console.c:1176)
[   17.967965][  T430]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.967968][  T430]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.967974][  T430]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.967982][  T430]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.967985][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.967987][  T430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.967991][  T430]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.967996][  T430]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.967998][  T430]  ? 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))
[   17.968001][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.968002][  T430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.968006][  T430]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.968011][  T430]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.968013][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.968018][  T430]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.968021][  T430]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.968023][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.968025][  T430]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   17.968028][  T430]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.968030][  T430]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.968033][  T430]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.968036][  T430]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.968037][  T430]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.968039][  T430]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.968042][  T430]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.968044][  T430]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.968045][  T430]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.968048][  T430]  ? ____sys_sendmsg (net/socket.c:2713)
[   17.968049][  T430]  ? ___sys_sendmsg (net/socket.c:2767)
[   17.968053][  T430]  _printk (kernel/printk/printk.c:2504)
[   17.968056][  T430]  ? snapshot_read.cold (user.c:?)
[   17.968061][  T430]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   17.968065][  T430]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   17.968069][  T430]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.968071][  T430]  ? netdev_notice (net/core/dev.c:13194)
[   17.968076][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.968078][  T430]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   17.968080][  T430]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   17.968082][  T430]  ? 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)
[   17.968085][  T430]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   17.968089][  T430]  dev_set_allmulti (net/core/dev_api.c:315)
[   17.968093][  T430]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   17.968099][  T430]  br_del_if (net/bridge/br_if.c:732)
[   17.968101][  T430]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.968105][  T430]  do_set_master (net/core/rtnetlink.c:3055)
[   17.968109][  T430]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.968112][  T430]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.968116][  T430]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.968117][  T430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.968120][  T430]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.968123][  T430]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.968126][  T430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.968127][  T430]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.968130][  T430]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.968132][  T430]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.968134][  T430]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.968135][  T430]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   17.968137][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.968139][  T430]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   17.968141][  T430]  ? ___sys_sendmsg (net/socket.c:2758)
[   17.968145][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.968147][  T430]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.968149][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.968151][  T430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.968153][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.968154][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.968155][  T430]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.968158][  T430]  ? __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)
[   17.968160][  T430]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.968162][  T430]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.968166][  T430]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.968167][  T430]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.968172][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.968174][  T430]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.968179][  T430]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.968185][  T430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.968187][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.968192][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.968193][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.968196][  T430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.968197][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.968201][  T430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.968203][  T430]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.968207][  T430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.968208][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.968212][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.968214][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.968218][  T430]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.968220][  T430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.968223][  T430]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.968229][  T430]  ? 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))
[   17.968231][  T430]  ? 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))
[   17.968236][  T430]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.968240][  T430]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.968242][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.968247][  T430]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.968251][  T430]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.968254][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.968256][  T430]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   17.968261][  T430]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.968264][  T430]  ____sys_sendmsg (net/socket.c:2713)
[   17.968266][  T430]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.968269][  T430]  ? sock_write_iter (net/socket.c:1269)
[   17.968270][  T430]  ? move_addr_to_kernel (net/socket.c:258)
[   17.968278][  T430]  ___sys_sendmsg (net/socket.c:2767)
[   17.968281][  T430]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.968297][  T430]  __sys_sendmsg (net/socket.c:2799)
[   17.968300][  T430]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.968309][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.968312][  T430]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.968315][  T430]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.968318][  T430]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.968320][  T430] RIP: 0033:0x7f9f03d4c54e
[   17.968324][  T430] 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
[   17.968326][  T430] RSP: 002b:00007ffc815f4b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.968329][  T430] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9f03d4c54e
[   17.968330][  T430] RDX: 0000000000000000 RSI: 00007ffc815f4c00 RDI: 0000000000000005
[   17.968331][  T430] RBP: 00007ffc815f4b60 R08: 0000000000000000 R09: 0000000000000000
[   17.968332][  T430] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9188e0
[   17.968333][  T430] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc815f52c0
| [   20.722942][  T508] softirqs last disabled at (28076): dev_mc_unsync (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1148 (discriminator 2) net/core/dev_addr_lists.c:1142 (discriminator 2))
| [   20.722945][  T508] Preemption disabled at:
| [   20.722946][  T508] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.722955][  T508] Tainted: [W]=WARN
[   20.722955][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.722957][  T508] Call Trace:
[   20.722959][  T508]  <TASK>
[   20.722960][  T508]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.722967][  T508]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.722968][  T508]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.722973][  T508]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.722977][  T508]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.722981][  T508]  __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))
[   20.722983][  T508]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.722989][  T508]  ? 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)
[   20.722992][  T508]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.722996][  T508]  put_chars (drivers/char/virtio_console.c:1176)
[   20.722998][  T508]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.722999][  T508]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   20.723004][  T508]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   20.723008][  T508]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.723011][  T508]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.723013][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.723015][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.723019][  T508]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.723021][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.723026][  T508]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.723030][  T508]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.723034][  T508]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.723036][  T508]  ? 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))
[   20.723039][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.723041][  T508]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.723045][  T508]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.723050][  T508]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.723052][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.723057][  T508]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.723060][  T508]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.723062][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.723063][  T508]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   20.723067][  T508]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.723069][  T508]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.723072][  T508]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.723075][  T508]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.723077][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.723081][  T508]  _printk (kernel/printk/printk.c:2504)
[   20.723085][  T508]  ? snapshot_read.cold (user.c:?)
[   20.723088][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.723090][  T508]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.723091][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.723092][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.723093][  T508]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.723097][  T508]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.723101][  T508]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.723104][  T508]  ? netdev_notice (net/core/dev.c:13194)
[   20.723107][  T508]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.723115][  T508]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   20.723119][  T508]  netif_set_promiscuity (net/core/dev.c:9699)
[   20.723123][  T508]  dev_set_promiscuity (net/core/dev_api.c:288)
[   20.723125][  T508]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   20.723128][  T508]  macvlan_stop (drivers/net/macvlan.c:717)
[   20.723132][  T508]  __dev_close_many (net/core/dev.c:1798)
[   20.723135][  T508]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[   20.723143][  T508]  ? netif_open (net/core/dev.c:1755)
[   20.723146][  T508]  ? netif_close_many (net/core/dev.c:1824)
[   20.723150][  T508]  netif_close_many (net/core/dev.c:1824)
[   20.723153][  T508]  ? __dev_close_many (net/core/dev.c:1804)
[   20.723156][  T508]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   20.723160][  T508]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   20.723164][  T508]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.723168][  T508]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   20.723170][  T508]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   20.723173][  T508]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   20.723175][  T508]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   20.723179][  T508]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   20.723181][  T508]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.723183][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.723185][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.723187][  T508]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   20.723211][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.723213][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.723216][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.723218][  T508]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.723220][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.723224][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.723226][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.723228][  T508]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   20.723230][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.723234][  T508]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   20.723236][  T508]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.723239][  T508]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.723240][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.723245][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.723247][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.723250][  T508]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.723252][  T508]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.723255][  T508]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.723261][  T508]  ? 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))
[   20.723263][  T508]  ? 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))
[   20.723268][  T508]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.723272][  T508]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.723274][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.723278][  T508]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.723282][  T508]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.723286][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.723288][  T508]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   20.723293][  T508]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.723297][  T508]  ____sys_sendmsg (net/socket.c:2713)
[   20.723299][  T508]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.723301][  T508]  ? sock_write_iter (net/socket.c:1269)
[   20.723303][  T508]  ? move_addr_to_kernel (net/socket.c:258)
[   20.723311][  T508]  ___sys_sendmsg (net/socket.c:2767)
[   20.723314][  T508]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.723329][  T508]  __sys_sendmsg (net/socket.c:2799)
[   20.723332][  T508]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.723339][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.723342][  T508]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.723345][  T508]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.723347][  T508]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.723350][  T508] RIP: 0033:0x7f2d2cc1454e
[   20.723353][  T508] 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
[   20.723355][  T508] RSP: 002b:00007ffc5a77d1d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.723358][  T508] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2d2cc1454e
[   20.723359][  T508] RDX: 0000000000000000 RSI: 00007ffc5a77d280 RDI: 0000000000000005
[   20.723360][  T508] RBP: 00007ffc5a77d1e0 R08: 0000000000000000 R09: 0000000000000000
[   20.723361][  T508] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9188e2
[   20.723361][  T508] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5a77d940
| [   23.573142][  T595] softirqs last disabled at (11404): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   23.573145][  T595] Preemption disabled at:
| [   23.573145][  T595] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.573155][  T595] Tainted: [W]=WARN
[   23.573156][  T595] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.573157][  T595] Call Trace:
[   23.573159][  T595]  <TASK>
[   23.573160][  T595]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.573167][  T595]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.573169][  T595]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.573173][  T595]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.573177][  T595]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.573182][  T595]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.573184][  T595]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.573190][  T595]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.573194][  T595]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.573197][  T595]  put_chars (drivers/char/virtio_console.c:1176)
[   23.573200][  T595]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.573203][  T595]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.573208][  T595]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.573216][  T595]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.573219][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.573222][  T595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.573226][  T595]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.573230][  T595]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.573232][  T595]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   23.573236][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.573237][  T595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.573241][  T595]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.573246][  T595]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.573248][  T595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.573253][  T595]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.573256][  T595]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.573258][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.573260][  T595]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.573264][  T595]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.573265][  T595]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.573268][  T595]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.573271][  T595]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.573273][  T595]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.573275][  T595]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.573278][  T595]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.573279][  T595]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.573281][  T595]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.573284][  T595]  ? ____sys_sendmsg (net/socket.c:2713)
[   23.573285][  T595]  ? ___sys_sendmsg (net/socket.c:2767)
[   23.573289][  T595]  _printk (kernel/printk/printk.c:2504)
[   23.573293][  T595]  ? snapshot_read.cold (user.c:?)
[   23.573297][  T595]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.573301][  T595]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.573307][  T595]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.573310][  T595]  ? netdev_notice (net/core/dev.c:13194)
[   23.573315][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.573316][  T595]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   23.573319][  T595]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   23.573321][  T595]  ? 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)
[   23.573323][  T595]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   23.573328][  T595]  dev_set_allmulti (net/core/dev_api.c:315)
[   23.573331][  T595]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   23.573338][  T595]  br_del_if (net/bridge/br_if.c:732)
[   23.573340][  T595]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.573343][  T595]  do_set_master (net/core/rtnetlink.c:3055)
[   23.573347][  T595]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   23.573350][  T595]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.573354][  T595]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.573356][  T595]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.573358][  T595]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.573362][  T595]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.573364][  T595]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.573366][  T595]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.573369][  T595]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.573371][  T595]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.573372][  T595]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.573373][  T595]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.573376][  T595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.573378][  T595]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   23.573380][  T595]  ? ___sys_sendmsg (net/socket.c:2758)
[   23.573384][  T595]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.573386][  T595]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.573388][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.573390][  T595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.573392][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.573393][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.573395][  T595]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.573397][  T595]  ? __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)
[   23.573399][  T595]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.573401][  T595]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.573405][  T595]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.573406][  T595]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.573411][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.573413][  T595]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.573419][  T595]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.573424][  T595]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.573426][  T595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.573431][  T595]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.573433][  T595]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.573435][  T595]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.573437][  T595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.573441][  T595]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.573443][  T595]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.573446][  T595]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.573448][  T595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.573452][  T595]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.573454][  T595]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.573458][  T595]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.573460][  T595]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.573463][  T595]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.573469][  T595]  ? 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))
[   23.573471][  T595]  ? 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))
[   23.573476][  T595]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.573480][  T595]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.573483][  T595]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.573487][  T595]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.573491][  T595]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.573495][  T595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.573497][  T595]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   23.573502][  T595]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.573505][  T595]  ____sys_sendmsg (net/socket.c:2713)
[   23.573508][  T595]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.573510][  T595]  ? sock_write_iter (net/socket.c:1269)
[   23.573512][  T595]  ? move_addr_to_kernel (net/socket.c:258)
[   23.573519][  T595]  ___sys_sendmsg (net/socket.c:2767)
[   23.573522][  T595]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.573539][  T595]  __sys_sendmsg (net/socket.c:2799)
[   23.573542][  T595]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.573549][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.573552][  T595]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.573555][  T595]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.573558][  T595]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.573560][  T595] RIP: 0033:0x7f3c3fc1f54e
[   23.573564][  T595] 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
[   23.573566][  T595] RSP: 002b:00007ffe564e2d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.573572][  T595] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c3fc1f54e
[   23.573573][  T595] RDX: 0000000000000000 RSI: 00007ffe564e2e00 RDI: 0000000000000005
[   23.573574][  T595] RBP: 00007ffe564e2d60 R08: 0000000000000000 R09: 0000000000000000
[   23.573575][  T595] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9188e5


Finger prints:
dev_mc_unsync:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars