======================================
| [   11.257330][  T220] softirqs last disabled at (13494): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.257333][  T220] Preemption disabled at:
| [   11.257334][  T220] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.257346][  T220] Tainted: [W]=WARN
[   11.257347][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.257349][  T220] Call Trace:
[   11.257351][  T220]  <TASK>
[   11.257352][  T220]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.257358][  T220]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.257360][  T220]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.257365][  T220]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.257369][  T220]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.257374][  T220]  __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))
[   11.257376][  T220]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.257382][  T220]  ? 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)
[   11.257385][  T220]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.257388][  T220]  put_chars (drivers/char/virtio_console.c:1176)
[   11.257391][  T220]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.257395][  T220]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.257399][  T220]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.257402][  T220]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.257404][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.257405][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.257409][  T220]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.257411][  T220]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.257415][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.257419][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.257423][  T220]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.257426][  T220]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.257428][  T220]  ? 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))
[   11.257431][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.257434][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.257438][  T220]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.257442][  T220]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.257444][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.257449][  T220]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.257452][  T220]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.257454][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.257456][  T220]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.257460][  T220]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.257461][  T220]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.257465][  T220]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.257469][  T220]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.257471][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.257473][  T220]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.257477][  T220]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.257481][  T220]  _printk (kernel/printk/printk.c:2504)
[   11.257484][  T220]  ? snapshot_read.cold (user.c:?)
[   11.257488][  T220]  ? br_multicast_flood (??:?) bridge
[   11.257501][  T220]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.257503][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.257504][  T220]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.257508][  T220] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.257519][  T220] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.257527][  T220] new_nbp (net/bridge/br_if.c:449) bridge
[   11.257537][  T220] br_add_if (net/bridge/br_if.c:592) bridge
[   11.257545][  T220]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.257549][  T220]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.257552][  T220]  ? __kernel_text_address (kernel/extable.c:79)
[   11.257555][  T220]  do_set_master (net/core/rtnetlink.c:3071)
[   11.257560][  T220]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.257563][  T220]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.257567][  T220]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.257568][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.257571][  T220]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.257574][  T220]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.257577][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.257579][  T220]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.257581][  T220]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.257584][  T220]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.257586][  T220]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.257589][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.257590][  T220]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.257594][  T220]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.257598][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.257600][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.257603][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.257605][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.257607][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.257608][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.257611][  T220]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.257614][  T220]  ? __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)
[   11.257616][  T220]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.257618][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.257622][  T220]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.257623][  T220]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.257628][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.257634][  T220]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.257639][  T220]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.257641][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.257645][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.257647][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.257649][  T220]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.257651][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.257655][  T220]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.257657][  T220]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.257660][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.257662][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.257666][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.257668][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.257671][  T220]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.257673][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.257676][  T220]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.257682][  T220]  ? 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))
[   11.257684][  T220]  ? 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))
[   11.257688][  T220]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.257692][  T220]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.257694][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.257699][  T220]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.257702][  T220]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.257706][  T220]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.257712][  T220]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.257714][  T220]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.257717][  T220]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.257718][  T220]  ? move_addr_to_kernel (net/socket.c:258)
[   11.257726][  T220]  ___sys_sendmsg (net/socket.c:2767)
[   11.257729][  T220]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.257744][  T220]  __sys_sendmsg (net/socket.c:2799)
[   11.257747][  T220]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.257754][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.257757][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.257760][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.257763][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.257765][  T220] RIP: 0033:0x7fb0ec6d754e
[   11.257769][  T220] 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
[   11.257771][  T220] RSP: 002b:00007ffe6fd62720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.257773][  T220] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb0ec6d754e
[   11.257775][  T220] RDX: 0000000000000000 RSI: 00007ffe6fd627d0 RDI: 0000000000000005
[   11.257776][  T220] RBP: 00007ffe6fd62730 R08: 0000000000000000 R09: 0000000000000000
[   11.257777][  T220] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91851b
[   11.257777][  T220] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6fd62e90
| [   17.086593][  T265] softirqs last disabled at (22328): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   17.086601][  T265] Preemption disabled at:
| [   17.086602][  T265] 0x0
| [   17.086612][  T265] Tainted: [W]=WARN
[   17.086613][  T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.086615][  T265] Call Trace:
[   17.086617][  T265]  <TASK>
[   17.086618][  T265]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.086624][  T265]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.086629][  T265]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.086633][  T265]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.086638][  T265]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.086640][  T265]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.086646][  T265]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.086649][  T265]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.086652][  T265]  put_chars (drivers/char/virtio_console.c:1176)
[   17.086655][  T265]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.086656][  T265]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   17.086660][  T265]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   17.086663][  T265]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.086666][  T265]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.086668][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.086669][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.086673][  T265]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.086674][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.086678][  T265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.086682][  T265]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.086686][  T265]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.086688][  T265]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.086691][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.086695][  T265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.086699][  T265]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.086703][  T265]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.086704][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.086709][  T265]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.086712][  T265]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.086714][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.086716][  T265]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.086720][  T265]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.086721][  T265]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.086724][  T265]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.086728][  T265]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.086730][  T265]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.086733][  T265]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.086735][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.086739][  T265]  _printk (kernel/printk/printk.c:2504)
[   17.086743][  T265]  ? snapshot_read.cold (user.c:?)
[   17.086751][  T265] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   17.086761][  T265] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   17.086770][  T265] br_device_event (net/bridge/br.c:111) bridge
[   17.086778][  T265]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   17.086782][  T265]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   17.086787][  T265]  notifier_call_chain (kernel/notifier.c:85)
[   17.086793][  T265]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   17.086798][  T265]  ? netif_change_name (net/core/dev.c:1517)
[   17.086802][  T265]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   17.086805][  T265]  ? __kernel_text_address (kernel/extable.c:79)
[   17.086807][  T265]  ? write_profile (profile.c:?)
[   17.086809][  T265]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   17.086814][  T265]  netif_change_flags (net/core/dev.c:9882)
[   17.086818][  T265]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   17.086821][  T265]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.086823][  T265]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.086824][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.086826][  T265]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.086829][  T265]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.086832][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.086834][  T265]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.086836][  T265]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.086839][  T265]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.086841][  T265]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.086843][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.086845][  T265]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   17.086848][  T265]  ? ___sys_sendmsg (net/socket.c:2757)
[   17.086853][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.086855][  T265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.086857][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.086860][  T265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.086861][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.086863][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.086865][  T265]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.086869][  T265]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   17.086871][  T265]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.086873][  T265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.086876][  T265]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.086881][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.086886][  T265]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.086891][  T265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.086893][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.086897][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.086899][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.086901][  T265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.086903][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.086906][  T265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.086908][  T265]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.086911][  T265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.086913][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.086917][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.086919][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.086922][  T265]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.086924][  T265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.086926][  T265]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.086932][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.086934][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.086938][  T265]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.086942][  T265]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.086944][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.086954][  T265]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.086958][  T265]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.086962][  T265]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.086967][  T265]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.086969][  T265]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.086971][  T265]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.086973][  T265]  ? move_addr_to_kernel (net/socket.c:258)
[   17.086980][  T265]  ___sys_sendmsg (net/socket.c:2767)
[   17.086983][  T265]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.086998][  T265]  __sys_sendmsg (net/socket.c:2799)
[   17.087001][  T265]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.087007][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.087011][  T265]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.087013][  T265]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.087016][  T265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.087018][  T265] RIP: 0033:0x7f41b727c54e
[   17.087020][  T265] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.087022][  T265] RSP: 002b:00007ffd672ce0e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.087025][  T265] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f41b727c54e
[   17.087026][  T265] RDX: 0000000000000000 RSI: 00007ffd672ce190 RDI: 0000000000000005
[   17.087027][  T265] RBP: 00007ffd672ce0f0 R08: 0000000000000000 R09: 0000000000000000
[   17.087028][  T265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918521


Finger prints:
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars