======================================
| [   11.696251][  T281] softirqs last disabled at (23016): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.696254][  T281] Preemption disabled at:
| [   11.696254][  T281] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.696262][  T281] Tainted: [W]=WARN
[   11.696263][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.696265][  T281] Call Trace:
[   11.696266][  T281]  <TASK>
[   11.696268][  T281]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.696274][  T281]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.696276][  T281]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.696280][  T281]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.696284][  T281]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.696288][  T281]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.696290][  T281]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.696296][  T281]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.696299][  T281]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.696303][  T281]  put_chars (drivers/char/virtio_console.c:1176)
[   11.696305][  T281]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.696312][  T281]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.696318][  T281]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.696326][  T281]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.696328][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696331][  T281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.696335][  T281]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.696339][  T281]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.696341][  T281]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.696344][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696346][  T281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.696349][  T281]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.696353][  T281]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.696355][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696361][  T281]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.696363][  T281]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.696365][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696367][  T281]  ? 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)
[   11.696371][  T281]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.696372][  T281]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.696375][  T281]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.696378][  T281]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.696380][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.696381][  T281]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.696386][  T281]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.696389][  T281]  _printk (kernel/printk/printk.c:2504)
[   11.696393][  T281]  ? snapshot_read.cold (user.c:?)
[   11.696397][  T281]  ? br_multicast_flood (??:?)
[   11.696400][  T281]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.696401][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.696403][  T281]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.696407][  T281]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   11.696411][  T281]  br_init_port (net/bridge/br_stp_if.c:39)
[   11.696413][  T281]  new_nbp (net/bridge/br_if.c:449)
[   11.696417][  T281]  br_add_if (net/bridge/br_if.c:592)
[   11.696420][  T281]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.696423][  T281]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.696431][  T281]  do_set_master (net/core/rtnetlink.c:3071)
[   11.696434][  T281]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.696438][  T281]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.696441][  T281]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.696443][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.696445][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.696449][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.696451][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.696453][  T281]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.696455][  T281]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.696458][  T281]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.696459][  T281]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.696460][  T281]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.696462][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696464][  T281]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.696467][  T281]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.696471][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.696473][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.696475][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696477][  T281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.696478][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696479][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696481][  T281]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.696484][  T281]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.696485][  T281]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.696487][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.696490][  T281]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.696491][  T281]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.696496][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696498][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.696503][  T281]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.696508][  T281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.696510][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696515][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.696517][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.696519][  T281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.696521][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.696524][  T281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.696526][  T281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.696529][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.696531][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696535][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.696537][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.696540][  T281]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.696544][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.696546][  T281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.696553][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.696555][  T281]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.696559][  T281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.696563][  T281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.696566][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.696570][  T281]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.696574][  T281]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.696578][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.696579][  T281]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.696584][  T281]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.696587][  T281]  ____sys_sendmsg (net/socket.c:2713)
[   11.696589][  T281]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.696592][  T281]  ? sock_write_iter (net/socket.c:1269)
[   11.696593][  T281]  ? move_addr_to_kernel (net/socket.c:258)
[   11.696601][  T281]  ___sys_sendmsg (net/socket.c:2767)
[   11.696603][  T281]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.696619][  T281]  __sys_sendmsg (net/socket.c:2799)
[   11.696622][  T281]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.696628][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696632][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.696634][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.696637][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.696640][  T281] RIP: 0033:0x7f95b235754e
[   11.696643][  T281] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.696645][  T281] RSP: 002b:00007ffe80cfc0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.696647][  T281] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f95b235754e
[   11.696648][  T281] RDX: 0000000000000000 RSI: 00007ffe80cfc170 RDI: 0000000000000005
[   11.696649][  T281] RBP: 00007ffe80cfc0d0 R08: 0000000000000000 R09: 0000000000000000
[   11.696650][  T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c5f1
[   11.696651][  T281] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe80cfc830
| [   14.144416][  T343] softirqs last disabled at (18586): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.144418][  T343] Preemption disabled at:
| [   14.144419][  T343] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.144427][  T343] Tainted: [W]=WARN
[   14.144430][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.144431][  T343] Call Trace:
[   14.144433][  T343]  <TASK>
[   14.144434][  T343]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.144440][  T343]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.144441][  T343]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.144446][  T343]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.144450][  T343]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.144454][  T343]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.144456][  T343]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.144462][  T343]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.144465][  T343]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.144469][  T343]  put_chars (drivers/char/virtio_console.c:1176)
[   14.144471][  T343]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.144474][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.144479][  T343]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.144487][  T343]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.144489][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.144492][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.144496][  T343]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.144500][  T343]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.144502][  T343]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.144505][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.144507][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.144511][  T343]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.144515][  T343]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.144517][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.144522][  T343]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.144525][  T343]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.144527][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.144528][  T343]  ? 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)
[   14.144532][  T343]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.144534][  T343]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.144536][  T343]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.144539][  T343]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.144541][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.144542][  T343]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.144545][  T343]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.144547][  T343]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.144548][  T343]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.144551][  T343]  ? ____sys_sendmsg (net/socket.c:2713)
[   14.144552][  T343]  ? ___sys_sendmsg (net/socket.c:2767)
[   14.144556][  T343]  _printk (kernel/printk/printk.c:2504)
[   14.144560][  T343]  ? snapshot_read.cold (user.c:?)
[   14.144564][  T343]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.144568][  T343]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.144571][  T343]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.144574][  T343]  ? netdev_notice (net/core/dev.c:13194)
[   14.144578][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.144580][  T343]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   14.144582][  T343]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   14.144584][  T343]  ? 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)
[   14.144587][  T343]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   14.144591][  T343]  dev_set_allmulti (net/core/dev_api.c:315)
[   14.144594][  T343]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   14.144601][  T343]  br_del_if (net/bridge/br_if.c:732)
[   14.144602][  T343]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.144606][  T343]  do_set_master (net/core/rtnetlink.c:3055)
[   14.144609][  T343]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.144613][  T343]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.144616][  T343]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.144618][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.144620][  T343]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.144623][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.144625][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.144627][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.144630][  T343]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.144632][  T343]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.144633][  T343]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.144635][  T343]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.144637][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.144639][  T343]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   14.144641][  T343]  ? ___sys_sendmsg (net/socket.c:2758)
[   14.144644][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.144646][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.144649][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.144650][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.144652][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.144653][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.144655][  T343]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.144657][  T343]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.144660][  T343]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.144662][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.144665][  T343]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.144666][  T343]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.144671][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.144673][  T343]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.144678][  T343]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.144683][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.144685][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.144690][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.144692][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.144694][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.144696][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.144699][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.144701][  T343]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.144704][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.144706][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.144710][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.144712][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.144715][  T343]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.144717][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.144720][  T343]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.144726][  T343]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.144728][  T343]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.144732][  T343]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.144736][  T343]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.144739][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.144743][  T343]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.144747][  T343]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.144750][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.144752][  T343]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   14.144757][  T343]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.144760][  T343]  ____sys_sendmsg (net/socket.c:2713)
[   14.144762][  T343]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.144764][  T343]  ? sock_write_iter (net/socket.c:1269)
[   14.144766][  T343]  ? move_addr_to_kernel (net/socket.c:258)
[   14.144773][  T343]  ___sys_sendmsg (net/socket.c:2767)
[   14.144776][  T343]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.144791][  T343]  __sys_sendmsg (net/socket.c:2799)
[   14.144794][  T343]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.144800][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.144803][  T343]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.144806][  T343]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.144808][  T343]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.144810][  T343] RIP: 0033:0x7f22a8e6c54e
[   14.144814][  T343] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.144816][  T343] RSP: 002b:00007fffd84e05a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.144818][  T343] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f22a8e6c54e
[   14.144820][  T343] RDX: 0000000000000000 RSI: 00007fffd84e0650 RDI: 0000000000000005
[   14.144821][  T343] RBP: 00007fffd84e05b0 R08: 0000000000000000 R09: 0000000000000000
[   14.144821][  T343] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c5f3
[   14.144822][  T343] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd84e0d10
| [   16.905666][  T427] softirqs last disabled at (19306): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.905668][  T427] Preemption disabled at:
| [   16.905669][  T427] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.905678][  T427] Tainted: [W]=WARN
[   16.905678][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.905680][  T427] Call Trace:
[   16.905682][  T427]  <TASK>
[   16.905683][  T427]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.905689][  T427]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.905691][  T427]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.905695][  T427]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.905699][  T427]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.905703][  T427]  __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))
[   16.905705][  T427]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.905712][  T427]  ? 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)
[   16.905715][  T427]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.905719][  T427]  put_chars (drivers/char/virtio_console.c:1176)
[   16.905721][  T427]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.905724][  T427]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.905729][  T427]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.905737][  T427]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.905739][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.905742][  T427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.905746][  T427]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.905750][  T427]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.905752][  T427]  ? 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))
[   16.905755][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.905757][  T427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.905761][  T427]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.905765][  T427]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.905767][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.905772][  T427]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.905775][  T427]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.905777][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.905779][  T427]  ? 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)
[   16.905782][  T427]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.905784][  T427]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.905787][  T427]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.905790][  T427]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.905791][  T427]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.905793][  T427]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.905796][  T427]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.905797][  T427]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.905799][  T427]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.905801][  T427]  ? ____sys_sendmsg (net/socket.c:2713)
[   16.905803][  T427]  ? ___sys_sendmsg (net/socket.c:2767)
[   16.905806][  T427]  _printk (kernel/printk/printk.c:2504)
[   16.905810][  T427]  ? snapshot_read.cold (user.c:?)
[   16.905815][  T427]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   16.905818][  T427]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   16.905822][  T427]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   16.905825][  T427]  ? netdev_notice (net/core/dev.c:13194)
[   16.905829][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.905831][  T427]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   16.905834][  T427]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   16.905836][  T427]  ? 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)
[   16.905838][  T427]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   16.905842][  T427]  dev_set_allmulti (net/core/dev_api.c:315)
[   16.905846][  T427]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   16.905852][  T427]  br_del_if (net/bridge/br_if.c:732)
[   16.905854][  T427]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   16.905859][  T427]  do_set_master (net/core/rtnetlink.c:3055)
[   16.905862][  T427]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.905866][  T427]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.905869][  T427]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.905870][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.905873][  T427]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.905876][  T427]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.905879][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.905880][  T427]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.905883][  T427]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.905885][  T427]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.905886][  T427]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.905887][  T427]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.905890][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.905892][  T427]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   16.905894][  T427]  ? ___sys_sendmsg (net/socket.c:2758)
[   16.905897][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.905899][  T427]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.905902][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.905903][  T427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.905905][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.905906][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.905908][  T427]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.905910][  T427]  ? __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)
[   16.905913][  T427]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.905914][  T427]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.905918][  T427]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.905919][  T427]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.905923][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.905926][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.905931][  T427]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.905936][  T427]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.905938][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.905942][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.905944][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.905946][  T427]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.905948][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.905952][  T427]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.905954][  T427]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.905957][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.905958][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.905963][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.905965][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.905968][  T427]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.905970][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.905973][  T427]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.905979][  T427]  ? 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))
[   16.905981][  T427]  ? 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))
[   16.905985][  T427]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.905989][  T427]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.905992][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.905996][  T427]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.906000][  T427]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.906003][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.906005][  T427]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   16.906010][  T427]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.906013][  T427]  ____sys_sendmsg (net/socket.c:2713)
[   16.906015][  T427]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.906017][  T427]  ? sock_write_iter (net/socket.c:1269)
[   16.906019][  T427]  ? move_addr_to_kernel (net/socket.c:258)
[   16.906026][  T427]  ___sys_sendmsg (net/socket.c:2767)
[   16.906029][  T427]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.906044][  T427]  __sys_sendmsg (net/socket.c:2799)
[   16.906047][  T427]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.906053][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.906056][  T427]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.906059][  T427]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.906062][  T427]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.906064][  T427] RIP: 0033:0x7fabb8eec54e
[   16.906068][  T427] 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
[   16.906070][  T427] RSP: 002b:00007fff1bab7e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.906072][  T427] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fabb8eec54e
[   16.906074][  T427] RDX: 0000000000000000 RSI: 00007fff1bab7ee0 RDI: 0000000000000005
[   16.906075][  T427] RBP: 00007fff1bab7e40 R08: 0000000000000000 R09: 0000000000000000
[   16.906075][  T427] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c5f6
[   16.906076][  T427] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1bab85a0
| [   19.644126][  T505] softirqs last disabled at (13004): 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))
| [   19.644128][  T505] Preemption disabled at:
| [   19.644129][  T505] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.644137][  T505] Tainted: [W]=WARN
[   19.644138][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.644140][  T505] Call Trace:
[   19.644141][  T505]  <TASK>
[   19.644143][  T505]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.644148][  T505]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.644150][  T505]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.644154][  T505]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.644158][  T505]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.644163][  T505]  __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))
[   19.644165][  T505]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.644171][  T505]  ? 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)
[   19.644173][  T505]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.644177][  T505]  put_chars (drivers/char/virtio_console.c:1176)
[   19.644179][  T505]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.644181][  T505]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   19.644185][  T505]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   19.644189][  T505]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.644193][  T505]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.644195][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.644197][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.644201][  T505]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.644203][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.644207][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.644211][  T505]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.644215][  T505]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.644217][  T505]  ? 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))
[   19.644220][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.644223][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.644227][  T505]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.644231][  T505]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.644233][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.644239][  T505]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.644241][  T505]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.644243][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.644245][  T505]  ? 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)
[   19.644249][  T505]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.644250][  T505]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.644253][  T505]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.644256][  T505]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.644258][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.644263][  T505]  _printk (kernel/printk/printk.c:2504)
[   19.644267][  T505]  ? snapshot_read.cold (user.c:?)
[   19.644270][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.644271][  T505]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.644273][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.644274][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.644275][  T505]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.644279][  T505]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.644282][  T505]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.644285][  T505]  ? netdev_notice (net/core/dev.c:13194)
[   19.644288][  T505]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.644296][  T505]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   19.644300][  T505]  netif_set_promiscuity (net/core/dev.c:9699)
[   19.644304][  T505]  dev_set_promiscuity (net/core/dev_api.c:288)
[   19.644307][  T505]  macvlan_stop (drivers/net/macvlan.c:717)
[   19.644311][  T505]  __dev_close_many (net/core/dev.c:1798)
[   19.644314][  T505]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[   19.644321][  T505]  ? netif_open (net/core/dev.c:1755)
[   19.644324][  T505]  ? netif_close_many (net/core/dev.c:1824)
[   19.644328][  T505]  netif_close_many (net/core/dev.c:1824)
[   19.644332][  T505]  ? __dev_close_many (net/core/dev.c:1804)
[   19.644335][  T505]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   19.644339][  T505]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   19.644343][  T505]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.644347][  T505]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   19.644349][  T505]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   19.644356][  T505]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   19.644359][  T505]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   19.644363][  T505]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   19.644365][  T505]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.644367][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.644368][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.644370][  T505]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.644392][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.644394][  T505]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.644397][  T505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.644399][  T505]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.644401][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.644405][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.644407][  T505]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.644409][  T505]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.644411][  T505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.644415][  T505]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.644417][  T505]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.644420][  T505]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.644422][  T505]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.644426][  T505]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.644430][  T505]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.644434][  T505]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.644436][  T505]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.644438][  T505]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.644445][  T505]  ? 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))
[   19.644447][  T505]  ? 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))
[   19.644451][  T505]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.644455][  T505]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.644458][  T505]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.644462][  T505]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.644466][  T505]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.644470][  T505]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.644472][  T505]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   19.644477][  T505]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   19.644481][  T505]  ____sys_sendmsg (net/socket.c:2713)
[   19.644483][  T505]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.644485][  T505]  ? sock_write_iter (net/socket.c:1269)
[   19.644487][  T505]  ? move_addr_to_kernel (net/socket.c:258)
[   19.644494][  T505]  ___sys_sendmsg (net/socket.c:2767)
[   19.644497][  T505]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.644513][  T505]  __sys_sendmsg (net/socket.c:2799)
[   19.644516][  T505]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.644522][  T505]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.644525][  T505]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.644528][  T505]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.644531][  T505]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.644533][  T505] RIP: 0033:0x7f41d5a6c54e
[   19.644536][  T505] 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
[   19.644538][  T505] RSP: 002b:00007ffe1350d7c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.644540][  T505] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f41d5a6c54e
[   19.644542][  T505] RDX: 0000000000000000 RSI: 00007ffe1350d870 RDI: 0000000000000005
[   19.644542][  T505] RBP: 00007ffe1350d7d0 R08: 0000000000000000 R09: 0000000000000000
[   19.644543][  T505] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c5f9
[   19.644544][  T505] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1350df30
| [   22.377590][  T592] softirqs last disabled at (15984): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   22.377593][  T592] Preemption disabled at:
| [   22.377594][  T592] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.377602][  T592] Tainted: [W]=WARN
[   22.377603][  T592] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.377604][  T592] Call Trace:
[   22.377606][  T592]  <TASK>
[   22.377607][  T592]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.377613][  T592]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.377615][  T592]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.377619][  T592]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.377623][  T592]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.377627][  T592]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.377629][  T592]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.377636][  T592]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.377638][  T592]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.377642][  T592]  put_chars (drivers/char/virtio_console.c:1176)
[   22.377644][  T592]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.377647][  T592]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.377652][  T592]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.377660][  T592]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.377663][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.377666][  T592]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.377670][  T592]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.377674][  T592]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.377676][  T592]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.377679][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.377681][  T592]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.377685][  T592]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.377689][  T592]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.377691][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.377696][  T592]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.377699][  T592]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.377701][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.377703][  T592]  ? 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)
[   22.377706][  T592]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.377708][  T592]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.377711][  T592]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.377714][  T592]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.377715][  T592]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.377717][  T592]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.377720][  T592]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.377721][  T592]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.377723][  T592]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.377726][  T592]  ? ____sys_sendmsg (net/socket.c:2713)
[   22.377727][  T592]  ? ___sys_sendmsg (net/socket.c:2767)
[   22.377731][  T592]  _printk (kernel/printk/printk.c:2504)
[   22.377734][  T592]  ? snapshot_read.cold (user.c:?)
[   22.377738][  T592]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.377742][  T592]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.377746][  T592]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.377749][  T592]  ? netdev_notice (net/core/dev.c:13194)
[   22.377753][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.377755][  T592]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   22.377757][  T592]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   22.377759][  T592]  ? 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)
[   22.377761][  T592]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   22.377765][  T592]  dev_set_allmulti (net/core/dev_api.c:315)
[   22.377769][  T592]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   22.377775][  T592]  br_del_if (net/bridge/br_if.c:732)
[   22.377777][  T592]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.377780][  T592]  do_set_master (net/core/rtnetlink.c:3055)
[   22.377783][  T592]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.377787][  T592]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.377790][  T592]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.377791][  T592]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.377794][  T592]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.377797][  T592]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.377800][  T592]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.377801][  T592]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.377804][  T592]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.377806][  T592]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.377807][  T592]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.377808][  T592]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.377811][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.377813][  T592]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   22.377815][  T592]  ? ___sys_sendmsg (net/socket.c:2758)
[   22.377818][  T592]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.377820][  T592]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.377823][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.377825][  T592]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.377826][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.377827][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.377829][  T592]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.377831][  T592]  ? __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)
[   22.377834][  T592]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.377835][  T592]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.377839][  T592]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.377840][  T592]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.377845][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.377847][  T592]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.377852][  T592]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.377858][  T592]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.377860][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.377864][  T592]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.377866][  T592]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.377868][  T592]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.377870][  T592]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.377874][  T592]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.377876][  T592]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.377879][  T592]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.377880][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.377885][  T592]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.377887][  T592]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.377890][  T592]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.377892][  T592]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.377895][  T592]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.377901][  T592]  ? 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))
[   22.377903][  T592]  ? 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))
[   22.377908][  T592]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.377912][  T592]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.377914][  T592]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.377918][  T592]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.377922][  T592]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.377926][  T592]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.377928][  T592]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   22.377933][  T592]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.377936][  T592]  ____sys_sendmsg (net/socket.c:2713)
[   22.377938][  T592]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.377940][  T592]  ? sock_write_iter (net/socket.c:1269)
[   22.377942][  T592]  ? move_addr_to_kernel (net/socket.c:258)
[   22.377949][  T592]  ___sys_sendmsg (net/socket.c:2767)
[   22.377952][  T592]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.377968][  T592]  __sys_sendmsg (net/socket.c:2799)
[   22.377971][  T592]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.377977][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.377981][  T592]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.377983][  T592]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.377986][  T592]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.377988][  T592] RIP: 0033:0x7f9914c3254e
[   22.377992][  T592] 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
[   22.377994][  T592] RSP: 002b:00007ffe0bd21d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.377996][  T592] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9914c3254e
[   22.377998][  T592] RDX: 0000000000000000 RSI: 00007ffe0bd21e20 RDI: 0000000000000005
[   22.377999][  T592] RBP: 00007ffe0bd21d80 R08: 0000000000000000 R09: 0000000000000000
[   22.378000][  T592] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c5fb


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