======================================
| [   10.708967][  T192] softirqs last disabled at (19680): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.708971][  T192] Preemption disabled at:
| [   10.708972][  T192] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.708984][  T192] Tainted: [W]=WARN
[   10.708985][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.708987][  T192] Call Trace:
[   10.708990][  T192]  <TASK>
[   10.708992][  T192]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.709000][  T192]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.709003][  T192]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.709010][  T192]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.709016][  T192]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.709023][  T192]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.709027][  T192]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.709036][  T192]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.709040][  T192]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.709046][  T192]  put_chars (drivers/char/virtio_console.c:1176)
[   10.709050][  T192]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.709063][  T192]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.709075][  T192]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.709080][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.709088][  T192]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.709094][  T192]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.709097][  T192]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.709102][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.709107][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.709114][  T192]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.709121][  T192]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.709124][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.709133][  T192]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.709138][  T192]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.709140][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.709144][  T192]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.709151][  T192]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.709154][  T192]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.709160][  T192]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.709166][  T192]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.709169][  T192]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.709174][  T192]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.709176][  T192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.709179][  T192]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   10.709181][  T192]  ? hsr_add_port (./include/linux/slab.h:991 (discriminator 1) ./include/linux/slab.h:1312 (discriminator 1) net/hsr/hsr_slave.c:201 (discriminator 1))
[   10.709186][  T192]  ? hsr_dev_finalize (net/hsr/hsr_device.c:826)
[   10.709189][  T192]  ? hsr_newlink (net/hsr/hsr_netlink.c:127)
[   10.709195][  T192]  _printk (kernel/printk/printk.c:2504)
[   10.709200][  T192]  ? snapshot_read.cold (user.c:?)
[   10.709203][  T192]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.709210][  T192]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   10.709215][  T192]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   10.709222][  T192]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.709226][  T192]  ? netdev_notice (net/core/dev.c:13194)
[   10.709240][  T192]  ? 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)
[   10.709245][  T192]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   10.709252][  T192]  netif_set_promiscuity (net/core/dev.c:9699)
[   10.709259][  T192]  dev_set_promiscuity (net/core/dev_api.c:288)
[   10.709264][  T192]  hsr_add_port (net/hsr/hsr_slave.c:155 net/hsr/hsr_slave.c:213)
[   10.709269][  T192]  ? hsr_port_exists (net/hsr/hsr_slave.c:97)
[   10.709275][  T192]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   10.709284][  T192]  hsr_dev_finalize (net/hsr/hsr_device.c:826)
[   10.709287][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12198 (discriminator 10))
[   10.709295][  T192]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[   10.709298][  T192]  hsr_newlink (net/hsr/hsr_netlink.c:127)
[   10.709303][  T192]  ? hsr_dellink (net/hsr/hsr_netlink.c:147)
[   10.709308][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3785)
[   10.709312][  T192]  ? nla_strscpy (lib/nlattr.c:795)
[   10.709319][  T192]  rtnl_newlink_create (net/core/rtnetlink.c:3969)
[   10.709326][  T192]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   10.709328][  T192]  ? __dev_get_by_name (net/core/dev.c:905)
[   10.709331][  T192]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   10.709349][  T192]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   10.709362][  T192]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.709373][  T192]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.709376][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.709389][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.709396][  T192]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.709400][  T192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.709406][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.709408][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.709417][  T192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.709420][  T192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.709426][  T192]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.709431][  T192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.709436][  T192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.709449][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.709452][  T192]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.709461][  T192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.709468][  T192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.709473][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.709481][  T192]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.709488][  T192]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.709496][  T192]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.709505][  T192]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.709510][  T192]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.709514][  T192]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.709517][  T192]  ? move_addr_to_kernel (net/socket.c:258)
[   10.709531][  T192]  ___sys_sendmsg (net/socket.c:2767)
[   10.709536][  T192]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.709570][  T192]  __sys_sendmsg (net/socket.c:2799)
[   10.709575][  T192]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.709587][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.709593][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.709597][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.709602][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.709605][  T192] RIP: 0033:0x7fc074a5854e
[   10.709611][  T192] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.709613][  T192] RSP: 002b:00007fffb2cd6130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.709617][  T192] RAX: ffffffffffffffda RBX: 00007fffb2cd68e0 RCX: 00007fc074a5854e
[   10.709619][  T192] RDX: 0000000000000000 RSI: 00007fffb2cd61e0 RDI: 0000000000000005
[   10.709621][  T192] RBP: 00007fffb2cd6140 R08: 0000000000000000 R09: 0000000000000000
[   10.709622][  T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b21
[   10.709624][  T192] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb2cd68b0
| [   11.763454][  T216] softirqs last disabled at (15866): dev_set_rx_mode (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1392 (discriminator 2))
| [   11.763457][  T216] Preemption disabled at:
| [   11.763458][  T216] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.763467][  T216] Tainted: [W]=WARN
[   11.763468][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.763469][  T216] Call Trace:
[   11.763471][  T216]  <TASK>
[   11.763473][  T216]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.763478][  T216]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.763481][  T216]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.763485][  T216]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.763489][  T216]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.763494][  T216]  __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))
[   11.763497][  T216]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.763503][  T216]  ? 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)
[   11.763505][  T216]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.763509][  T216]  put_chars (drivers/char/virtio_console.c:1176)
[   11.763512][  T216]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.763515][  T216]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.763521][  T216]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.763527][  T216]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.763530][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.763534][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.763538][  T216]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.763542][  T216]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.763544][  T216]  ? 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))
[   11.763547][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.763550][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.763554][  T216]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.763558][  T216]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.763560][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.763565][  T216]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.763568][  T216]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.763570][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.763573][  T216]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.763577][  T216]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.763578][  T216]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.763582][  T216]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.763586][  T216]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.763588][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.763590][  T216]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.763592][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.763596][  T216]  _printk (kernel/printk/printk.c:2504)
[   11.763599][  T216]  ? snapshot_read.cold (user.c:?)
[   11.763603][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.763605][  T216]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.763611][  T216]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.763614][  T216]  netdev_warn (net/core/dev.c:13193 (discriminator 3))
[   11.763617][  T216]  ? netdev_err (net/core/dev.c:13192)
[   11.763619][  T216]  ? hsr_port_get_hsr (net/hsr/hsr_main.c:137 (discriminator 13))
[   11.763625][  T216]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   11.763631][  T216]  hsr_dev_open.cold (net/hsr/hsr_device.c:159)
[   11.763635][  T216]  __dev_open (net/core/dev.c:1724)
[   11.763639][  T216]  ? netif_state_change (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.763641][  T216]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.763646][  T216]  __dev_change_flags (net/core/dev.c:9812)
[   11.763648][  T216]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.763650][  T216]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.763653][  T216]  ? __kernel_text_address (kernel/extable.c:79)
[   11.763654][  T216]  ? write_profile (profile.c:?)
[   11.763657][  T216]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.763662][  T216]  netif_change_flags (net/core/dev.c:9877)
[   11.763665][  T216]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   11.763669][  T216]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.763671][  T216]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.763678][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.763681][  T216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.763685][  T216]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.763688][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.763690][  T216]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.763693][  T216]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.763696][  T216]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.763697][  T216]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.763700][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.763702][  T216]  ? __netlink_deliver_tap (net/netlink/af_netlink.c:298 net/netlink/af_netlink.c:326)
[   11.763705][  T216]  ? ___sys_sendmsg (net/socket.c:2756)
[   11.763710][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.763712][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.763715][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.763717][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.763719][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.763721][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.763723][  T216]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.763727][  T216]  ? __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)
[   11.763730][  T216]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.763732][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.763736][  T216]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.763741][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.763747][  T216]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.763752][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.763754][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.763758][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.763760][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.763762][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.763764][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.763768][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.763770][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.763773][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.763775][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.763779][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.763781][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.763784][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.763786][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.763789][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.763796][  T216]  ? 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))
[   11.763798][  T216]  ? 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))
[   11.763802][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.763806][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.763809][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.763813][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.763818][  T216]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.763822][  T216]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.763828][  T216]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.763830][  T216]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.763833][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.763834][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   11.763842][  T216]  ___sys_sendmsg (net/socket.c:2767)
[   11.763845][  T216]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.763860][  T216]  __sys_sendmsg (net/socket.c:2799)
[   11.763863][  T216]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.763870][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.763873][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.763876][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.763879][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.763881][  T216] RIP: 0033:0x7f59c21bd54e
[   11.763885][  T216] 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
[   11.763887][  T216] RSP: 002b:00007ffd46703740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.763890][  T216] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f59c21bd54e
[   11.763891][  T216] RDX: 0000000000000000 RSI: 00007ffd467037f0 RDI: 0000000000000005
[   11.763892][  T216] RBP: 00007ffd46703750 R08: 0000000000000000 R09: 0000000000000000
[   11.763893][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b22
[   11.763894][  T216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd46703ec0
| [   27.434700][  T352] softirqs last disabled at (24049): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.434703][  T352] Preemption disabled at:
| [   27.434703][  T352] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.434713][  T352] Tainted: [W]=WARN
[   27.434714][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.434715][  T352] Call Trace:
[   27.434717][  T352]  <TASK>
[   27.434719][  T352]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.434725][  T352]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.434727][  T352]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.434732][  T352]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.434737][  T352]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.434742][  T352]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.434744][  T352]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.434750][  T352]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.434753][  T352]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.434757][  T352]  put_chars (drivers/char/virtio_console.c:1176)
[   27.434760][  T352]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.434761][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.434766][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.434776][  T352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.434781][  T352]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.434784][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.434789][  T352]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.434792][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.434797][  T352]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.434801][  T352]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.434803][  T352]  ? 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))
[   27.434806][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.434808][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.434812][  T352]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.434816][  T352]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.434818][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.434824][  T352]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.434827][  T352]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.434829][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.434831][  T352]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.434835][  T352]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.434836][  T352]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.434840][  T352]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.434844][  T352]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.434849][  T352]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   27.434853][  T352]  _printk (kernel/printk/printk.c:2504)
[   27.434856][  T352]  ? snapshot_read.cold (user.c:?)
[   27.434863][  T352]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   27.434866][  T352] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   27.434869][  T352]  do_one_initcall (init/main.c:1357)
[   27.434872][  T352]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   27.434877][  T352]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   27.434879][  T352]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   27.434884][  T352]  do_init_module (kernel/module/main.c:3117)
[   27.434888][  T352]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.434892][  T352]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   27.434895][  T352]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   27.434899][  T352]  load_module (kernel/module/main.c:3593)
[   27.434909][  T352]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   27.434914][  T352]  ? __ia32_sys_fsconfig (??:?)
[   27.434917][  T352]  ? add_chain_cache (kernel/locking/lockdep.c:3782)
[   27.434922][  T352]  init_module_from_file (kernel/module/main.c:3790)
[   27.434926][  T352]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   27.434934][  T352]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.434938][  T352]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.434941][  T352]  idempotent_init_module (kernel/module/main.c:3802)
[   27.434944][  T352]  ? init_module_from_file (kernel/module/main.c:3791)
[   27.434951][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.434953][  T352]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   27.434960][  T352]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   27.434962][  T352]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.434965][  T352]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.434968][  T352]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.434970][  T352]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.434973][  T352] RIP: 0033:0x7f7536ac337d
[   27.434976][  T352] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   27.434978][  T352] RSP: 002b:00007ffdf9ec1198 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   27.434981][  T352] RAX: ffffffffffffffda RBX: 000056011ef5d810 RCX: 00007f7536ac337d
[   27.434983][  T352] RDX: 0000000000000000 RSI: 00005601147b6ffd RDI: 0000000000000000
[   27.434984][  T352] RBP: 00007ffdf9ec1230 R08: 0000000000000000 R09: 0000000000000000
[   27.434984][  T352] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601147b6ffd
[   27.434985][  T352] R13: 000056011ef5d960 R14: 0000000000040000 R15: 0000000000000000
| [   43.341784][   T12] softirqs last disabled at (16948): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   43.341787][   T12] Preemption disabled at:
| [   43.341787][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.341797][   T12] Tainted: [W]=WARN
[   43.341798][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.341800][   T12] Workqueue: netns cleanup_net
[   43.341803][   T12] Call Trace:
[   43.341805][   T12]  <TASK>
[   43.341808][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.341814][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.341816][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.341822][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.341826][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.341832][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   43.341835][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.341842][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.341845][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.341849][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   43.341851][   T12]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   43.341854][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.341857][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   43.341869][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.341877][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.341880][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.341884][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.341889][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.341893][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.341895][   T12]  ? 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))
[   43.341899][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.341901][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.341910][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.341916][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.341918][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.341924][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.341927][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.341929][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.341932][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.341935][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.341937][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.341941][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.341945][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.341948][   T12]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   43.341950][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   43.341953][   T12]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369)
[   43.341955][   T12]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369)
[   43.341958][   T12]  _printk (kernel/printk/printk.c:2504)
[   43.341962][   T12]  ? snapshot_read.cold (user.c:?)
[   43.341965][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   43.341968][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.341972][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.341976][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.341978][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   43.341982][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   43.341984][   T12]  ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2))
[   43.341986][   T12]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[   43.341990][   T12]  ? 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)
[   43.341994][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   43.341997][   T12]  ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2))
[   43.342000][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[   43.342005][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   43.342008][   T12]  hsr_del_port (net/hsr/hsr_slave.c:244)
[   43.342013][   T12]  hsr_del_ports (net/hsr/hsr_device.c:498)
[   43.342016][   T12]  hsr_dellink (net/hsr/hsr_netlink.c:141)
[   43.342019][   T12]  default_device_exit_batch (net/core/dev.c:13280)
[   43.342022][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   43.342025][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.342028][   T12]  ? 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)
[   43.342032][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   43.342036][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   43.342039][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   43.342040][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.342044][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   43.342049][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   43.342052][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.342056][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.342058][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.342063][   T12]  process_one_work (kernel/workqueue.c:3387)
[   43.342070][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   43.342073][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.342081][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   43.342089][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   43.342092][   T12]  kthread (kernel/kthread.c:436)
[   43.342094][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.342097][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.342100][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.342104][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   43.342108][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.342111][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.342114][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.373468][  T521] softirqs last disabled at (16464): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   44.373471][  T521] Preemption disabled at:
| [   44.373471][  T521] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.373481][  T521] Tainted: [W]=WARN
[   44.373482][  T521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.373484][  T521] Call Trace:
[   44.373485][  T521]  <TASK>
[   44.373487][  T521]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.373493][  T521]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.373495][  T521]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.373500][  T521]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.373504][  T521]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.373510][  T521]  __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))
[   44.373512][  T521]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.373519][  T521]  ? 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)
[   44.373521][  T521]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.373525][  T521]  put_chars (drivers/char/virtio_console.c:1176)
[   44.373528][  T521]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.373536][  T521]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.373543][  T521]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.373546][  T521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.373551][  T521]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.373555][  T521]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.373557][  T521]  ? 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))
[   44.373561][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.373565][  T521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.373570][  T521]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.373574][  T521]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.373576][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.373583][  T521]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.373586][  T521]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.373588][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.373590][  T521]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.373595][  T521]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.373597][  T521]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.373600][  T521]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.373604][  T521]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.373606][  T521]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.373609][  T521]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.373611][  T521]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.373613][  T521]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   44.373614][  T521]  ? hsr_add_port (./include/linux/slab.h:991 (discriminator 1) ./include/linux/slab.h:1312 (discriminator 1) net/hsr/hsr_slave.c:201 (discriminator 1))
[   44.373618][  T521]  ? hsr_dev_finalize (net/hsr/hsr_device.c:826)
[   44.373620][  T521]  ? hsr_newlink (net/hsr/hsr_netlink.c:127)
[   44.373624][  T521]  _printk (kernel/printk/printk.c:2504)
[   44.373628][  T521]  ? snapshot_read.cold (user.c:?)
[   44.373630][  T521]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.373634][  T521]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.373638][  T521]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.373641][  T521]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.373644][  T521]  ? netdev_notice (net/core/dev.c:13194)
[   44.373652][  T521]  ? 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)
[   44.373655][  T521]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   44.373660][  T521]  netif_set_promiscuity (net/core/dev.c:9699)
[   44.373665][  T521]  dev_set_promiscuity (net/core/dev_api.c:288)
[   44.373668][  T521]  hsr_add_port (net/hsr/hsr_slave.c:155 net/hsr/hsr_slave.c:213)
[   44.373671][  T521]  ? hsr_port_exists (net/hsr/hsr_slave.c:97)
[   44.373675][  T521]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   44.373680][  T521]  hsr_dev_finalize (net/hsr/hsr_device.c:826)
[   44.373682][  T521]  ? alloc_netdev_mqs (net/core/dev.c:12198 (discriminator 10))
[   44.373687][  T521]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[   44.373689][  T521]  hsr_newlink (net/hsr/hsr_netlink.c:127)
[   44.373692][  T521]  ? hsr_dellink (net/hsr/hsr_netlink.c:147)
[   44.373694][  T521]  ? rtnl_create_link (net/core/rtnetlink.c:3785)
[   44.373696][  T521]  ? nla_strscpy (lib/nlattr.c:795)
[   44.373701][  T521]  rtnl_newlink_create (net/core/rtnetlink.c:3969)
[   44.373705][  T521]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   44.373706][  T521]  ? __dev_get_by_name (net/core/dev.c:905)
[   44.373708][  T521]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   44.373717][  T521]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   44.373724][  T521]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.373730][  T521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.373732][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.373738][  T521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.373742][  T521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.373745][  T521]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.373748][  T521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.373750][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.373754][  T521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.373756][  T521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.373760][  T521]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.373763][  T521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.373766][  T521]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.373773][  T521]  ? 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))
[   44.373775][  T521]  ? 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))
[   44.373780][  T521]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.373784][  T521]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.373787][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.373791][  T521]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.373795][  T521]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.373800][  T521]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.373805][  T521]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.373810][  T521]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.373812][  T521]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.373814][  T521]  ? move_addr_to_kernel (net/socket.c:258)
[   44.373819][  T521]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   44.373821][  T521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.373825][  T521]  ___sys_sendmsg (net/socket.c:2767)
[   44.373827][  T521]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   44.373830][  T521]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.373833][  T521]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   44.373849][  T521]  __sys_sendmsg (net/socket.c:2799)
[   44.373852][  T521]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.373858][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.373861][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.373864][  T521]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.373868][  T521]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.373879][  T521]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.373880][  T521] RIP: 0033:0x7fb8ac9fb54e
[   44.373885][  T521] 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
[   44.373886][  T521] RSP: 002b:00007ffc56af9ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.373889][  T521] RAX: ffffffffffffffda RBX: 00007ffc56afa680 RCX: 00007fb8ac9fb54e
[   44.373891][  T521] RDX: 0000000000000000 RSI: 00007ffc56af9f80 RDI: 0000000000000005
[   44.373891][  T521] RBP: 00007ffc56af9ee0 R08: 0000000000000000 R09: 0000000000000000
[   44.373892][  T521] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b42
[   44.373893][  T521] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc56afa650
| [   77.502669][   T12] softirqs last disabled at (152414): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   77.502673][   T12] Preemption disabled at:
| [   77.502674][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.502686][   T12] Tainted: [W]=WARN
[   77.502687][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.502690][   T12] Workqueue: netns cleanup_net
[   77.502695][   T12] Call Trace:
[   77.502697][   T12]  <TASK>
[   77.502700][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.502708][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.502711][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.502717][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.502723][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   77.502731][   T12]  __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))
[   77.502735][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.502745][   T12]  ? 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)
[   77.502748][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.502754][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   77.502759][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.502765][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.502774][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.502786][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.502791][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.502796][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.502804][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.502811][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.502814][   T12]  ? 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))
[   77.502820][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.502824][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.502832][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.502840][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.502842][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.502853][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.502858][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.502860][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.502864][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   77.502871][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.502874][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.502880][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.502887][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.502891][   T12]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   77.502894][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   77.502898][   T12]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369)
[   77.502901][   T12]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369)
[   77.502911][   T12]  _printk (kernel/printk/printk.c:2504)
[   77.502916][   T12]  ? snapshot_read.cold (user.c:?)
[   77.502921][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   77.502926][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   77.502931][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   77.502938][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   77.502941][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   77.502948][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   77.502951][   T12]  ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2))
[   77.502954][   T12]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[   77.502961][   T12]  ? 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)
[   77.502967][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   77.502971][   T12]  ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2))
[   77.502976][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[   77.502983][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   77.502988][   T12]  hsr_del_port (net/hsr/hsr_slave.c:244)
[   77.502997][   T12]  hsr_del_ports (net/hsr/hsr_device.c:498)
[   77.503001][   T12]  hsr_dellink (net/hsr/hsr_netlink.c:141)
[   77.503005][   T12]  default_device_exit_batch (net/core/dev.c:13280)
[   77.503012][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   77.503017][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.503020][   T12]  ? 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)
[   77.503027][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   77.503033][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   77.503036][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   77.503039][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.503044][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   77.503052][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   77.503058][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   77.503065][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.503075][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.503082][   T12]  process_one_work (kernel/workqueue.c:3387)
[   77.503094][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   77.503099][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.503114][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   77.503128][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   77.503131][   T12]  kthread (kernel/kthread.c:436)
[   77.503135][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   77.503139][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   77.503144][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   77.503150][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   77.503155][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   77.503160][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
dev_set_rx_mode:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars