======================================
| [    8.732655][   T84] softirqs last disabled at (408582): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    8.732657][   T84] Preemption disabled at:
| [    8.732658][   T84] vprintk_emit (kernel/printk/printk.c:2471)
| [    8.732666][   T84] Tainted: [W]=WARN
[    8.732667][   T84] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.732668][   T84] Call Trace:
[    8.732670][   T84]  <TASK>
[    8.732672][   T84]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    8.732677][   T84]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    8.732678][   T84]  __might_resched.cold (kernel/sched/core.c:9234)
[    8.732683][   T84]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    8.732687][   T84]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    8.732692][   T84]  __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))
[    8.732695][   T84]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.732701][   T84]  ? 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)
[    8.732703][   T84]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.732707][   T84]  put_chars (drivers/char/virtio_console.c:1176)
[    8.732710][   T84]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    8.732714][   T84]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    8.732720][   T84]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    8.732723][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.732729][   T84]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    8.732732][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.732738][   T84]  console_emit_next_record (kernel/printk/printk.c:3183)
[    8.732741][   T84]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    8.732745][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.732747][   T84]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.732751][   T84]  console_flush_one_record (kernel/printk/printk.c:3268)
[    8.732755][   T84]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    8.732757][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.732762][   T84]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    8.732765][   T84]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    8.732766][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.732768][   T84]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    8.732772][   T84]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    8.732774][   T84]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    8.732777][   T84]  vprintk_emit (kernel/printk/printk.c:2479)
[    8.732780][   T84]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    8.732782][   T84]  ? write_profile (profile.c:?)
[    8.732784][   T84]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    8.732791][   T84]  dev_vprintk_emit (drivers/base/core.c:5000)
[    8.732796][   T84]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[    8.732800][   T84]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[    8.732806][   T84]  dev_printk_emit (drivers/base/core.c:5011)
[    8.732809][   T84]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[    8.732812][   T84]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[    8.732818][   T84]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[    8.732823][   T84]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    8.732825][   T84]  ? netdev_notice (net/core/dev.c:13194)
[    8.732828][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.732831][   T84]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.732834][   T84]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    8.732838][   T84]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.732840][   T84]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    8.732843][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.732845][   T84]  ? down_read_nested (kernel/locking/rwsem.c:256 kernel/locking/rwsem.c:1290 kernel/locking/rwsem.c:1304 kernel/locking/rwsem.c:1710)
[    8.732847][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[    8.732850][   T84]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    8.732853][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.732856][   T84]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    8.732861][   T84]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.732864][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.732867][   T84]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    8.732869][   T84]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    8.732871][   T84]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    8.732873][   T84]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.732876][   T84]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    8.732881][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.732886][   T84]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.732888][   T84]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    8.732891][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.732893][   T84]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.732895][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.732896][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.732898][   T84]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    8.732901][   T84]  ? __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)
[    8.732904][   T84]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    8.732905][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.732907][   T84]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    8.732910][   T84]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    8.732912][   T84]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    8.732914][   T84]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.732920][   T84]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    8.732923][   T84]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    8.732931][   T84]  rtnl_setlink (net/core/rtnetlink.c:3596)
[    8.732935][   T84]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    8.732936][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.732960][   T84]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.732962][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.732965][   T84]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.732967][   T84]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    8.732970][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.732976][   T84]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.732979][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.732981][   T84]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    8.732983][   T84]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.732987][   T84]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    8.732989][   T84]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    8.732993][   T84]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.732995][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.733000][   T84]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.733002][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.733005][   T84]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    8.733008][   T84]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.733012][   T84]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.733018][   T84]  ? 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))
[    8.733020][   T84]  ? 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))
[    8.733024][   T84]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.733028][   T84]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.733030][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.733033][   T84]  ? do_raw_spin_trylock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:93 kernel/locking/spinlock_debug.c:123)
[    8.733036][   T84]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    8.733040][   T84]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    8.733043][   T84]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    8.733047][   T84]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    8.733051][   T84]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[    8.733055][   T84]  ? __ia32_sys_getpeername (net/socket.c:2235)
[    8.733066][   T84]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[    8.733071][   T84]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[    8.733073][   T84]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.733077][   T84]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    8.733078][   T84]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    8.733080][   T84]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.733081][   T84]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    8.733083][   T84]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.733085][   T84] RIP: 0033:0x7f45b377c54e
[    8.733089][   T84] 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
[    8.733091][   T84] RSP: 002b:00007ffda12c5930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.733093][   T84] RAX: ffffffffffffffda RBX: 000056315648af40 RCX: 00007f45b377c54e
[    8.733094][   T84] RDX: 0000000000000030 RSI: 000056315648b000 RDI: 0000000000000014
[    8.733095][   T84] RBP: 00007ffda12c5940 R08: 00007ffda12c5990 R09: 0000000000000080
[    8.733096][   T84] R10: 0000000000000000 R11: 0000000000000202 R12: 00005631565dea50
[    8.733096][   T84] R13: 00007ffda12c5a74 R14: 0000000000000000 R15: 0000000000000000
| [    9.735660][  T202] softirqs last disabled at (10876): 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))
| [    9.735663][  T202] Preemption disabled at:
| [    9.735663][  T202] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.735672][  T202] Tainted: [W]=WARN
[    9.735673][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.735674][  T202] Call Trace:
[    9.735675][  T202]  <TASK>
[    9.735677][  T202]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.735682][  T202]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.735684][  T202]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.735688][  T202]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.735691][  T202]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.735697][  T202]  __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))
[    9.735699][  T202]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.735705][  T202]  ? 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)
[    9.735707][  T202]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.735711][  T202]  put_chars (drivers/char/virtio_console.c:1176)
[    9.735714][  T202]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.735718][  T202]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.735721][  T202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.735724][  T202]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.735728][  T202]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.735732][  T202]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.735734][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.735736][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.735740][  T202]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.735743][  T202]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[    9.735746][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.735748][  T202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.735752][  T202]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.735756][  T202]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.735760][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.735761][  T202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.735765][  T202]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.735769][  T202]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.735770][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.735776][  T202]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.735778][  T202]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.735780][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.735782][  T202]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.735786][  T202]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.735787][  T202]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.735790][  T202]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.735794][  T202]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.735795][  T202]  ? _raw_spin_unlock_irq_enable (./include/linux/spinlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:237 (discriminator 1))
[    9.735799][  T202]  ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1))
[    9.735801][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.735806][  T202]  _printk (kernel/printk/printk.c:2504)
[    9.735809][  T202]  ? snapshot_read.cold (user.c:?)
[    9.735811][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.735815][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.735817][  T202]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[    9.735820][  T202]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[    9.735823][  T202]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.735825][  T202]  ? netdev_notice (net/core/dev.c:13194)
[    9.735829][  T202]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:2102)
[    9.735832][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.735835][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.735837][  T202]  ? 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)
[    9.735840][  T202]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[    9.735844][  T202]  __dev_change_flags (net/core/dev.c:9821)
[    9.735847][  T202]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.735849][  T202]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[    9.735852][  T202]  ? __kernel_text_address (kernel/extable.c:79)
[    9.735854][  T202]  ? write_profile (profile.c:?)
[    9.735859][  T202]  netif_change_flags (net/core/dev.c:9877)
[    9.735862][  T202]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[    9.735866][  T202]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    9.735868][  T202]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.735870][  T202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.735872][  T202]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.735875][  T202]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.735877][  T202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.735879][  T202]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.735882][  T202]  ? kasan_save_stack (mm/kasan/common.c:58)
[    9.735884][  T202]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.735885][  T202]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.735887][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.735890][  T202]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[    9.735892][  T202]  ? ___sys_sendmsg (net/socket.c:2757)
[    9.735897][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.735899][  T202]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    9.735902][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.735904][  T202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.735906][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.735907][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.735909][  T202]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.735911][  T202]  ? __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)
[    9.735913][  T202]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.735915][  T202]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    9.735919][  T202]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.735924][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[    9.735930][  T202]  rtnl_newlink (net/core/rtnetlink.c:4215)
[    9.735935][  T202]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.735938][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.735942][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.735945][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.735947][  T202]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.735949][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.735953][  T202]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.735955][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.735959][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.735961][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.735965][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.735967][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.735971][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.735977][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.735980][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.735986][  T202]  ? 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))
[    9.735988][  T202]  ? 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))
[    9.735992][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.735996][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.735998][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.736003][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.736006][  T202]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.736010][  T202]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.736016][  T202]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[    9.736018][  T202]  ? copy_msghdr_from_user (net/socket.c:2650)
[    9.736020][  T202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[    9.736021][  T202]  ? move_addr_to_kernel (net/socket.c:258)
[    9.736028][  T202]  ___sys_sendmsg (net/socket.c:2767)
[    9.736030][  T202]  ? copy_msghdr_from_user (net/socket.c:2619)
[    9.736045][  T202]  __sys_sendmsg (net/socket.c:2799)
[    9.736048][  T202]  ? __sys_sendmsg_sock (net/socket.c:2780)
[    9.736054][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.736057][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.736059][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.736062][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.736064][  T202] RIP: 0033:0x7f72f546654e
[    9.736068][  T202] 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
[    9.736070][  T202] RSP: 002b:00007fff73057970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.736073][  T202] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f72f546654e
[    9.736074][  T202] RDX: 0000000000000000 RSI: 00007fff73057a20 RDI: 0000000000000005
[    9.736075][  T202] RBP: 00007fff73057980 R08: 0000000000000000 R09: 0000000000000000
[    9.736075][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91929d


Finger prints:
dev_set_rx_mode:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars