======================================
| [   10.306550][  T203] softirqs last disabled at (30956): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.306553][  T203] Preemption disabled at:
| [   10.306554][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.306565][  T203] Tainted: [W]=WARN
[   10.306567][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.306569][  T203] Call Trace:
[   10.306571][  T203]  <TASK>
[   10.306573][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.306581][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.306583][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.306590][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.306596][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.306602][  T203]  __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))
[   10.306606][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.306618][  T203]  ? 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)
[   10.306622][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.306628][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   10.306632][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.306637][  T203]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.306646][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.306650][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.306659][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.306664][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.306673][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.306679][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.306682][  T203]  ? 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))
[   10.306687][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.306690][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.306697][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.306704][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.306706][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.306715][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.306720][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.306722][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.306726][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   10.306732][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.306735][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.306740][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.306745][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.306747][  T203]  ? __kernel_text_address (kernel/extable.c:79)
[   10.306750][  T203]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.306755][  T203]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   10.306764][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   10.306770][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   10.306785][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   10.306788][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   10.306795][  T203]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   10.306804][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   10.306813][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.306817][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   10.306821][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.306826][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.306830][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.306836][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.306840][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.306844][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   10.306850][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.306854][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.306859][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.306868][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.306872][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.306877][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.306879][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.306882][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.306886][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.306890][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.306902][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.306905][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   10.306908][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   10.306913][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.306916][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.306921][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.306924][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.306926][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.306928][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.306931][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.306935][  T203]  ? __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)
[   10.306938][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.306942][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.306945][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.306949][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.306951][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.306956][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.306962][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.306975][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   10.306980][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.306982][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.307024][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.307027][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.307032][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.307034][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.307038][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.307046][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.307048][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.307052][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.307055][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.307061][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.307065][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.307070][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.307072][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.307080][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.307083][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.307089][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.307093][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.307098][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.307109][  T203]  ? 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))
[   10.307112][  T203]  ? 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))
[   10.307120][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.307127][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.307133][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.307139][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.307145][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.307148][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.307152][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.307160][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.307164][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   10.307169][  T203]  __sys_sendto (net/socket.c:2281)
[   10.307174][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   10.307193][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   10.307202][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   10.307206][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.307211][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.307213][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.307217][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.307219][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.307224][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.307227][  T203] RIP: 0033:0x7fa5c33d754e
[   10.307232][  T203] 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
[   10.307235][  T203] RSP: 002b:00007ffd99a5b430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.307238][  T203] RAX: ffffffffffffffda RBX: 0000557318a7a910 RCX: 00007fa5c33d754e
[   10.307240][  T203] RDX: 0000000000000030 RSI: 00005573189186d0 RDI: 0000000000000014
[   10.307242][  T203] RBP: 00007ffd99a5b440 R08: 00007ffd99a5b490 R09: 0000000000000080
[   10.307243][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557318a8a1d0
[   10.307244][  T203] R13: 00007ffd99a5b574 R14: 0000000000000000 R15: 0000000000000000
| [   11.492790][  T242] softirqs last disabled at (35253): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.492792][  T242] Preemption disabled at:
| [   11.492793][  T242] 0x0
| [   11.492803][  T242] Tainted: [W]=WARN
[   11.492804][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.492805][  T242] Call Trace:
[   11.492807][  T242]  <TASK>
[   11.492808][  T242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.492815][  T242]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.492819][  T242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.492823][  T242]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.492827][  T242]  __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))
[   11.492829][  T242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.492836][  T242]  ? 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)
[   11.492839][  T242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.492842][  T242]  put_chars (drivers/char/virtio_console.c:1176)
[   11.492845][  T242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.492846][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.492850][  T242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.492855][  T242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.492862][  T242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.492865][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.492867][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.492871][  T242]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.492875][  T242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.492877][  T242]  ? 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))
[   11.492880][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.492882][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.492886][  T242]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.492890][  T242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.492892][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.492897][  T242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.492904][  T242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.492907][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.492909][  T242]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.492912][  T242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.492914][  T242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.492917][  T242]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.492920][  T242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.492923][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.492926][  T242]  _printk (kernel/printk/printk.c:2504)
[   11.492930][  T242]  ? snapshot_read.cold (user.c:?)
[   11.492933][  T242]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   11.492935][  T242]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.492939][  T242]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   11.492942][  T242]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.492945][  T242]  ? exit_notify (kernel/exit.c:780)
[   11.492946][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.492949][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.492952][  T242]  do_group_exit (kernel/exit.c:1151)
[   11.492955][  T242]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.492957][  T242]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.492960][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.492963][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.492967][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.492969][  T242] RIP: 0033:0x7f559cf071b8
[   11.492971][  T242] Code: Unable to access opcode bytes at 0x7f559cf0718e.

Code starting with the faulting instruction
===========================================
[   11.492972][  T242] RSP: 002b:00007fff209490c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.492974][  T242] RAX: ffffffffffffffda RBX: 00007f559d037f88 RCX: 00007f559cf071b8
[   11.492976][  T242] RDX: 00007f559cc51fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.492977][  T242] RBP: 00007fff20949120 R08: 0000000000000000 R09: 0000000000000050
[   11.492977][  T242] R10: 00007fff20948ee0 R11: 0000000000000246 R12: 0000000000000001
[   11.492978][  T242] R13: 0000000000000000 R14: 00007f559d036680 R15: 00007f559d037fa0
| [   12.550096][  T203] softirqs last disabled at (518270): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.550098][  T203] Preemption disabled at:
| [   12.550099][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.550107][  T203] Tainted: [W]=WARN
[   12.550108][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.550110][  T203] Call Trace:
[   12.550112][  T203]  <TASK>
[   12.550113][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.550120][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.550121][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.550126][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.550130][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.550134][  T203]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.550136][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.550143][  T203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.550145][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.550149][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   12.550152][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.550153][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.550157][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.550159][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.550164][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.550168][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.550173][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.550177][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.550181][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.550185][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.550187][  T203]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.550190][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.550192][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.550196][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.550200][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.550202][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.550208][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.550210][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.550212][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.550214][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.550218][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.550220][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.550222][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.550225][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.550227][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.550229][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.550234][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   12.550239][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   12.550244][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.550247][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.550250][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   12.550253][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   12.550255][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.550258][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.550260][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.550261][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.550263][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.550267][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   12.550273][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.550276][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   12.550279][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.550282][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.550284][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.550288][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.550290][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.550293][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.550296][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.550299][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.550302][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.550307][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.550310][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.550313][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.550315][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.550316][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.550318][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.550320][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.550325][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.550327][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.550328][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   12.550332][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.550334][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.550337][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.550338][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.550340][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.550341][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.550343][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.550345][  T203]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.550348][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.550350][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.550352][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.550355][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.550356][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.550360][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.550363][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.550371][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   12.550374][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.550375][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.550399][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.550401][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.550403][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.550405][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.550407][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.550412][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.550414][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.550416][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.550418][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.550421][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.550423][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.550426][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.550428][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.550432][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.550434][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.550438][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.550441][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.550444][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.550451][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.550453][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.550457][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.550461][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.550465][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.550469][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.550473][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.550474][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.550477][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.550482][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.550485][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   12.550488][  T203]  __sys_sendto (net/socket.c:2281)
[   12.550491][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.550506][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.550508][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.550512][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.550514][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.550517][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.550518][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.550521][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.550523][  T203] RIP: 0033:0x7fa5c33d754e
[   12.550527][  T203] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.550529][  T203] RSP: 002b:00007ffd99a5b430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.550531][  T203] RAX: ffffffffffffffda RBX: 0000557318a7a910 RCX: 00007fa5c33d754e
[   12.550532][  T203] RDX: 0000000000000030 RSI: 0000557318a6c010 RDI: 0000000000000014
[   12.550533][  T203] RBP: 00007ffd99a5b440 R08: 00007ffd99a5b490 R09: 0000000000000080
[   12.550534][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557318a8cae0
[   12.550535][  T203] R13: 00007ffd99a5b574 R14: 0000000000000000 R15: 0000000000000000
| [   13.766489][  T203] softirqs last disabled at (787250): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   13.766491][  T203] Preemption disabled at:
| [   13.766492][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.766500][  T203] Tainted: [W]=WARN
[   13.766501][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.766503][  T203] Call Trace:
[   13.766504][  T203]  <TASK>
[   13.766506][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.766511][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.766513][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.766517][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.766522][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.766526][  T203]  __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))
[   13.766528][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.766538][  T203]  ? 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)
[   13.766541][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.766544][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   13.766547][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.766548][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.766551][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.766554][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.766559][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.766563][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.766568][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.766571][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.766575][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.766580][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.766581][  T203]  ? 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))
[   13.766585][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.766586][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.766590][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.766594][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.766596][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.766602][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.766605][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.766606][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.766608][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.766612][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.766614][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.766616][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.766619][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.766621][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.766623][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   13.766628][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   13.766634][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   13.766639][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.766641][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.766644][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   13.766647][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   13.766650][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.766652][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.766653][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.766655][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.766657][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.766660][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   13.766667][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.766669][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   13.766672][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.766675][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.766678][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.766681][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.766684][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   13.766687][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   13.766690][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   13.766693][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.766696][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.766701][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.766704][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.766708][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.766709][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.766711][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.766713][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.766714][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.766719][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.766721][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   13.766723][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   13.766726][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.766728][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   13.766731][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.766732][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.766734][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.766735][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.766737][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.766739][  T203]  ? __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)
[   13.766742][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.766744][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   13.766746][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.766748][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.766750][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.766753][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.766757][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.766764][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   13.766767][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   13.766769][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.766792][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.766793][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.766796][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.766798][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.766801][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.766805][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.766807][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.766809][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   13.766811][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.766815][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   13.766817][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.766820][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.766821][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.766826][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.766828][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.766831][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.766834][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.766837][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.766844][  T203]  ? 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))
[   13.766846][  T203]  ? 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))
[   13.766850][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.766855][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.766858][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.766862][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.766866][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.766868][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.766871][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.766876][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.766878][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   13.766882][  T203]  __sys_sendto (net/socket.c:2281)
[   13.766885][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   13.766899][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   13.766902][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.766905][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.766908][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   13.766910][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.766917][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.766919][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.766922][  T203] RIP: 0033:0x7fa5c33d754e
[   13.766925][  T203] 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
[   13.766927][  T203] RSP: 002b:00007ffd99a5b430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   13.766930][  T203] RAX: ffffffffffffffda RBX: 0000557318a7a910 RCX: 00007fa5c33d754e
[   13.766931][  T203] RDX: 0000000000000030 RSI: 0000557318a6c010 RDI: 0000000000000014
[   13.766932][  T203] RBP: 00007ffd99a5b440 R08: 00007ffd99a5b490 R09: 0000000000000080
[   13.766933][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557318aa54e0
[   13.766933][  T203] R13: 00007ffd99a5b574 R14: 0000000000000000 R15: 0000000000000000
| [   14.940648][  T203] softirqs last disabled at (1060446): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.940650][  T203] Preemption disabled at:
| [   14.940651][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.940659][  T203] Tainted: [W]=WARN
[   14.940660][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.940662][  T203] Call Trace:
[   14.940663][  T203]  <TASK>
[   14.940665][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.940671][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.940673][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.940677][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.940681][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.940685][  T203]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.940687][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.940694][  T203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.940697][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.940700][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   14.940702][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.940704][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.940707][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.940710][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.940715][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.940719][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.940724][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.940727][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.940732][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.940735][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.940737][  T203]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.940740][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.940742][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.940746][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.940750][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.940752][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.940757][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.940760][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.940762][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.940764][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   14.940768][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.940769][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.940772][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.940775][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.940776][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.940779][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   14.940784][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   14.940789][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   14.940794][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.940796][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.940800][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   14.940802][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   14.940805][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.940807][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.940809][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.940811][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.940812][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.940816][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   14.940822][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.940825][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   14.940828][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.940830][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.940833][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.940836][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.940839][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.940841][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   14.940845][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.940847][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.940850][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.940856][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.940858][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.940861][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.940863][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.940865][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.940866][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.940868][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.940873][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.940874][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   14.940876][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   14.940880][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.940882][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.940884][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.940886][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.940888][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.940889][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.940890][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.940892][  T203]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.940895][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.940897][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.940899][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.940902][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.940903][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.940907][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.940910][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.940922][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   14.940925][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.940926][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.940948][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.940950][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.940953][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.940955][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.940957][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.940961][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.940963][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.940965][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.940967][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.940971][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.940973][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.940976][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.940977][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.940982][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.940983][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.940987][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.940990][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.940993][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.940999][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.941001][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.941006][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.941010][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.941013][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.941017][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.941021][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.941023][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.941025][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.941030][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.941033][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   14.941036][  T203]  __sys_sendto (net/socket.c:2281)
[   14.941039][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   14.941053][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   14.941055][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.941059][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.941061][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   14.941064][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.941066][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.941069][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.941071][  T203] RIP: 0033:0x7fa5c33d754e
[   14.941075][  T203] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.941077][  T203] RSP: 002b:00007ffd99a5b430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   14.941079][  T203] RAX: ffffffffffffffda RBX: 0000557318a7a910 RCX: 00007fa5c33d754e
[   14.941081][  T203] RDX: 0000000000000030 RSI: 0000557318a7c4e0 RDI: 0000000000000014
[   14.941081][  T203] RBP: 00007ffd99a5b440 R08: 00007ffd99a5b490 R09: 0000000000000080
[   14.941082][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557318ab8d50
[   14.941083][  T203] R13: 00007ffd99a5b574 R14: 0000000000000000 R15: 0000000000000000
| [   15.996604][  T373] softirqs last disabled at (14666): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   15.996606][  T373] Preemption disabled at:
| [   15.996607][  T373] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.996617][  T373] Tainted: [W]=WARN
[   15.996618][  T373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.996620][  T373] Call Trace:
[   15.996621][  T373]  <TASK>
[   15.996623][  T373]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.996629][  T373]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.996630][  T373]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.996635][  T373]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.996639][  T373]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.996643][  T373]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.996645][  T373]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.996651][  T373]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.996654][  T373]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.996658][  T373]  put_chars (drivers/char/virtio_console.c:1176)
[   15.996660][  T373]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.996663][  T373]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.996665][  T373]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.996668][  T373]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.996672][  T373]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.996676][  T373]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.996678][  T373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.996679][  T373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.996683][  T373]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.996685][  T373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.996689][  T373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.996693][  T373]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.996697][  T373]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.996699][  T373]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   15.996702][  T373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.996704][  T373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.996708][  T373]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.996712][  T373]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.996714][  T373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.996719][  T373]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.996722][  T373]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.996724][  T373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.996725][  T373]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   15.996729][  T373]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.996731][  T373]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.996733][  T373]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.996736][  T373]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.996738][  T373]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.996743][  T373]  _printk (kernel/printk/printk.c:2504)
[   15.996746][  T373]  ? snapshot_read.cold (user.c:?)
[   15.996749][  T373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.996751][  T373]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.996755][  T373]  ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84)
[   15.996758][  T373]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   15.996763][  T373]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   15.996768][  T373]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   15.996771][  T373]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   15.996777][  T373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.996779][  T373]  notifier_call_chain (kernel/notifier.c:85)
[   15.996784][  T373]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   15.996788][  T373]  ? netif_change_name (net/core/dev.c:1517)
[   15.996792][  T373]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.996795][  T373]  ? write_profile (profile.c:?)
[   15.996800][  T373]  netif_change_flags (net/core/dev.c:9882)
[   15.996804][  T373]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   15.996808][  T373]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.996810][  T373]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.996811][  T373]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.996813][  T373]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.996816][  T373]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.996818][  T373]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.996820][  T373]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.996822][  T373]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.996824][  T373]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.996825][  T373]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.996826][  T373]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.996829][  T373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.996830][  T373]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   15.996833][  T373]  ? ___sys_sendmsg (net/socket.c:2758)
[   15.996837][  T373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.996839][  T373]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.996841][  T373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.996843][  T373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.996845][  T373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.996846][  T373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.996847][  T373]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.996849][  T373]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.996852][  T373]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.996854][  T373]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.996857][  T373]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.996860][  T373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.996862][  T373]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.996867][  T373]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.996873][  T373]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.996875][  T373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.996879][  T373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.996881][  T373]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.996883][  T373]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.996884][  T373]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.996888][  T373]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.996890][  T373]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.996893][  T373]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.996895][  T373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.996899][  T373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.996901][  T373]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.996904][  T373]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.996906][  T373]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.996909][  T373]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.996915][  T373]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.996917][  T373]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.996922][  T373]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.996929][  T373]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.996931][  T373]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.996936][  T373]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.996940][  T373]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.996943][  T373]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.996945][  T373]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   15.996950][  T373]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.996953][  T373]  ____sys_sendmsg (net/socket.c:2713)
[   15.996955][  T373]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.996957][  T373]  ? sock_write_iter (net/socket.c:1269)
[   15.996959][  T373]  ? move_addr_to_kernel (net/socket.c:258)
[   15.996966][  T373]  ___sys_sendmsg (net/socket.c:2767)
[   15.996969][  T373]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.996984][  T373]  __sys_sendmsg (net/socket.c:2799)
[   15.996987][  T373]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.996993][  T373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.996996][  T373]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.996999][  T373]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.997002][  T373]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.997004][  T373] RIP: 0033:0x7f8798de754e
[   15.997008][  T373] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.997010][  T373] RSP: 002b:00007fff465b1070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.997012][  T373] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8798de754e
[   15.997014][  T373] RDX: 0000000000000000 RSI: 00007fff465b1120 RDI: 0000000000000003
[   15.997015][  T373] RBP: 00007fff465b1080 R08: 0000000000000000 R09: 0000000000000000
[   15.997015][  T373] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144a4
[   15.997016][  T373] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff465b17e0
| [   17.057933][  T403] softirqs last disabled at (16956): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   17.057935][  T403] Preemption disabled at:
| [   17.057936][  T403] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.057944][  T403] Tainted: [W]=WARN
[   17.057945][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.057947][  T403] Call Trace:
[   17.057948][  T403]  <TASK>
[   17.057950][  T403]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.057955][  T403]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.057957][  T403]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.057961][  T403]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.057965][  T403]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.057969][  T403]  __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))
[   17.057971][  T403]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.057978][  T403]  ? 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)
[   17.057980][  T403]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.057984][  T403]  put_chars (drivers/char/virtio_console.c:1176)
[   17.057986][  T403]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.057989][  T403]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.057992][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.057994][  T403]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.057998][  T403]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.058002][  T403]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.058004][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.058006][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.058010][  T403]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.058012][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.058016][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.058020][  T403]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.058024][  T403]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.058026][  T403]  ? 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))
[   17.058029][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058031][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.058035][  T403]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.058039][  T403]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.058041][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.058046][  T403]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.058049][  T403]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.058051][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058053][  T403]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   17.058056][  T403]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.058058][  T403]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.058061][  T403]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.058064][  T403]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.058066][  T403]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.058070][  T403]  _printk (kernel/printk/printk.c:2504)
[   17.058074][  T403]  ? snapshot_read.cold (user.c:?)
[   17.058077][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.058079][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.058083][  T403]  ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84)
[   17.058086][  T403]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   17.058091][  T403]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   17.058096][  T403]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   17.058099][  T403]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   17.058105][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058106][  T403]  notifier_call_chain (kernel/notifier.c:85)
[   17.058111][  T403]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   17.058116][  T403]  ? netif_change_name (net/core/dev.c:1517)
[   17.058120][  T403]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   17.058123][  T403]  ? write_profile (profile.c:?)
[   17.058128][  T403]  netif_change_flags (net/core/dev.c:9882)
[   17.058132][  T403]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   17.058135][  T403]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.058137][  T403]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.058138][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.058140][  T403]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.058144][  T403]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.058145][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.058147][  T403]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.058150][  T403]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.058152][  T403]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.058153][  T403]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.058154][  T403]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   17.058157][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.058159][  T403]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   17.058162][  T403]  ? ___sys_sendmsg (net/socket.c:2758)
[   17.058165][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.058167][  T403]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.058170][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058172][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.058173][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058174][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058176][  T403]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.058178][  T403]  ? __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)
[   17.058181][  T403]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.058183][  T403]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.058186][  T403]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.058189][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058192][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.058197][  T403]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.058202][  T403]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.058204][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.058208][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.058210][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.058212][  T403]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.058214][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.058218][  T403]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.058220][  T403]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.058223][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.058224][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.058229][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.058231][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.058234][  T403]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.058236][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.058239][  T403]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.058245][  T403]  ? 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))
[   17.058247][  T403]  ? 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))
[   17.058251][  T403]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.058255][  T403]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.058258][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.058262][  T403]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.058266][  T403]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.058270][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.058271][  T403]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   17.058277][  T403]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.058279][  T403]  ____sys_sendmsg (net/socket.c:2713)
[   17.058281][  T403]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.058284][  T403]  ? sock_write_iter (net/socket.c:1269)
[   17.058285][  T403]  ? move_addr_to_kernel (net/socket.c:258)
[   17.058292][  T403]  ___sys_sendmsg (net/socket.c:2767)
[   17.058295][  T403]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.058311][  T403]  __sys_sendmsg (net/socket.c:2799)
[   17.058313][  T403]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.058320][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.058323][  T403]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.058325][  T403]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.058328][  T403]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.058331][  T403] RIP: 0033:0x7f87478c654e
[   17.058334][  T403] 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
[   17.058336][  T403] RSP: 002b:00007ffee7635580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.058339][  T403] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f87478c654e
[   17.058340][  T403] RDX: 0000000000000000 RSI: 00007ffee7635630 RDI: 0000000000000003
[   17.058341][  T403] RBP: 00007ffee7635590 R08: 0000000000000000 R09: 0000000000000000
[   17.058342][  T403] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144a5
[   17.058343][  T403] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee7635cf0
| [   18.113345][  T431] softirqs last disabled at (14194): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   18.113347][  T431] Preemption disabled at:
| [   18.113348][  T431] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.113356][  T431] Tainted: [W]=WARN
[   18.113357][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.113359][  T431] Call Trace:
[   18.113361][  T431]  <TASK>
[   18.113362][  T431]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.113368][  T431]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.113370][  T431]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.113375][  T431]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.113379][  T431]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.113384][  T431]  __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))
[   18.113385][  T431]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.113392][  T431]  ? 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)
[   18.113395][  T431]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.113398][  T431]  put_chars (drivers/char/virtio_console.c:1176)
[   18.113401][  T431]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.113404][  T431]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.113407][  T431]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.113410][  T431]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.113414][  T431]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.113418][  T431]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.113420][  T431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.113421][  T431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.113426][  T431]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.113428][  T431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.113432][  T431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.113436][  T431]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.113441][  T431]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.113442][  T431]  ? 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))
[   18.113446][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.113448][  T431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.113451][  T431]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.113456][  T431]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.113458][  T431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.113463][  T431]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.113466][  T431]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.113468][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.113470][  T431]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   18.113473][  T431]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.113475][  T431]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.113478][  T431]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.113481][  T431]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.113483][  T431]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.113488][  T431]  _printk (kernel/printk/printk.c:2504)
[   18.113491][  T431]  ? snapshot_read.cold (user.c:?)
[   18.113495][  T431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.113497][  T431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.113500][  T431]  ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84)
[   18.113504][  T431]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   18.113508][  T431]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   18.113513][  T431]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   18.113517][  T431]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   18.113523][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.113525][  T431]  notifier_call_chain (kernel/notifier.c:85)
[   18.113529][  T431]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   18.113534][  T431]  ? netif_change_name (net/core/dev.c:1517)
[   18.113538][  T431]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.113541][  T431]  ? write_profile (profile.c:?)
[   18.113546][  T431]  netif_change_flags (net/core/dev.c:9882)
[   18.113550][  T431]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   18.113554][  T431]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.113556][  T431]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.113558][  T431]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.113560][  T431]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.113563][  T431]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.113565][  T431]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.113567][  T431]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.113569][  T431]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.113571][  T431]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.113573][  T431]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.113574][  T431]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   18.113576][  T431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.113578][  T431]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   18.113581][  T431]  ? ___sys_sendmsg (net/socket.c:2758)
[   18.113585][  T431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.113587][  T431]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.113589][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.113591][  T431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.113593][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.113594][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.113596][  T431]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.113598][  T431]  ? __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)
[   18.113600][  T431]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.113602][  T431]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.113605][  T431]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.113609][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.113613][  T431]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.113619][  T431]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.113624][  T431]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.113626][  T431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.113631][  T431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.113633][  T431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.113635][  T431]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.113637][  T431]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.113640][  T431]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.113642][  T431]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.113645][  T431]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.113647][  T431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.113651][  T431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.113653][  T431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.113656][  T431]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.113658][  T431]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.113661][  T431]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.113668][  T431]  ? 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))
[   18.113670][  T431]  ? 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))
[   18.113675][  T431]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.113678][  T431]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.113681][  T431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.113685][  T431]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.113689][  T431]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.113693][  T431]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.113695][  T431]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   18.113700][  T431]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   18.113703][  T431]  ____sys_sendmsg (net/socket.c:2713)
[   18.113705][  T431]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.113707][  T431]  ? sock_write_iter (net/socket.c:1269)
[   18.113709][  T431]  ? move_addr_to_kernel (net/socket.c:258)
[   18.113716][  T431]  ___sys_sendmsg (net/socket.c:2767)
[   18.113719][  T431]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.113735][  T431]  __sys_sendmsg (net/socket.c:2799)
[   18.113738][  T431]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.113744][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.113747][  T431]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.113750][  T431]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.113753][  T431]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.113755][  T431] RIP: 0033:0x7f91818f654e
[   18.113759][  T431] 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
[   18.113760][  T431] RSP: 002b:00007ffdb48c1c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.113763][  T431] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f91818f654e
[   18.113764][  T431] RDX: 0000000000000000 RSI: 00007ffdb48c1cf0 RDI: 0000000000000003
[   18.113765][  T431] RBP: 00007ffdb48c1c50 R08: 0000000000000000 R09: 0000000000000000
[   18.113766][  T431] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144a6
[   18.113767][  T431] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb48c23b0
| [   19.113876][  T461] softirqs last disabled at (11818): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   19.113878][  T461] Preemption disabled at:
| [   19.113879][  T461] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.113887][  T461] Tainted: [W]=WARN
[   19.113888][  T461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.113890][  T461] Call Trace:
[   19.113891][  T461]  <TASK>
[   19.113893][  T461]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.113899][  T461]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.113900][  T461]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.113905][  T461]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.113909][  T461]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.113913][  T461]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   19.113915][  T461]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.113921][  T461]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.113924][  T461]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.113928][  T461]  put_chars (drivers/char/virtio_console.c:1176)
[   19.113930][  T461]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.113933][  T461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.113936][  T461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.113943][  T461]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.113947][  T461]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.113951][  T461]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.113953][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.113954][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.113958][  T461]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.113960][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.113965][  T461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.113969][  T461]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.113973][  T461]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.113974][  T461]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   19.113978][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.113980][  T461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.113983][  T461]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.113988][  T461]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.113990][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.113995][  T461]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.113998][  T461]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.114000][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.114001][  T461]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   19.114005][  T461]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.114007][  T461]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.114010][  T461]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.114013][  T461]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.114015][  T461]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.114019][  T461]  _printk (kernel/printk/printk.c:2504)
[   19.114023][  T461]  ? snapshot_read.cold (user.c:?)
[   19.114026][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.114028][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.114032][  T461]  ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84)
[   19.114035][  T461]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   19.114040][  T461]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   19.114044][  T461]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   19.114048][  T461]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   19.114054][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.114056][  T461]  notifier_call_chain (kernel/notifier.c:85)
[   19.114060][  T461]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   19.114065][  T461]  ? netif_change_name (net/core/dev.c:1517)
[   19.114069][  T461]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   19.114072][  T461]  ? write_profile (profile.c:?)
[   19.114077][  T461]  netif_change_flags (net/core/dev.c:9882)
[   19.114081][  T461]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   19.114085][  T461]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.114087][  T461]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.114088][  T461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.114090][  T461]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.114093][  T461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.114095][  T461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.114097][  T461]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.114099][  T461]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.114101][  T461]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.114102][  T461]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.114104][  T461]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   19.114106][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.114108][  T461]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   19.114111][  T461]  ? ___sys_sendmsg (net/socket.c:2758)
[   19.114115][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.114117][  T461]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.114119][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.114121][  T461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.114122][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.114124][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.114125][  T461]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.114127][  T461]  ? __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)
[   19.114130][  T461]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.114132][  T461]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.114135][  T461]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.114138][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.114141][  T461]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.114146][  T461]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.114151][  T461]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.114153][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.114158][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.114159][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.114161][  T461]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.114163][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.114167][  T461]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.114169][  T461]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.114172][  T461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.114173][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.114178][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.114180][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.114183][  T461]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.114185][  T461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.114188][  T461]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.114194][  T461]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.114196][  T461]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.114201][  T461]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.114204][  T461]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.114207][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.114211][  T461]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.114215][  T461]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.114219][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.114221][  T461]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   19.114226][  T461]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   19.114229][  T461]  ____sys_sendmsg (net/socket.c:2713)
[   19.114231][  T461]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.114233][  T461]  ? sock_write_iter (net/socket.c:1269)
[   19.114235][  T461]  ? move_addr_to_kernel (net/socket.c:258)
[   19.114242][  T461]  ___sys_sendmsg (net/socket.c:2767)
[   19.114245][  T461]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.114260][  T461]  __sys_sendmsg (net/socket.c:2799)
[   19.114263][  T461]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.114269][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.114272][  T461]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.114275][  T461]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.114278][  T461]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.114280][  T461] RIP: 0033:0x7f9b680d854e
[   19.114284][  T461] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.114286][  T461] RSP: 002b:00007ffd311afb40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.114288][  T461] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9b680d854e
[   19.114290][  T461] RDX: 0000000000000000 RSI: 00007ffd311afbf0 RDI: 0000000000000003
[   19.114291][  T461] RBP: 00007ffd311afb50 R08: 0000000000000000 R09: 0000000000000000
[   19.114292][  T461] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144a7
[   19.114292][  T461] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd311b02b0
| [   20.116393][  T203] softirqs last disabled at (2001690): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   20.116396][  T203] Preemption disabled at:
| [   20.116397][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.116405][  T203] Tainted: [W]=WARN
[   20.116406][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.116407][  T203] Call Trace:
[   20.116409][  T203]  <TASK>
[   20.116410][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.116416][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.116417][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.116422][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.116426][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.116430][  T203]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.116432][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.116439][  T203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.116442][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.116445][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   20.116448][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.116449][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.116452][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.116455][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.116460][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.116464][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116469][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.116472][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.116477][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.116481][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.116483][  T203]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   20.116486][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.116488][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.116492][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.116496][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.116498][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116503][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.116506][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.116508][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.116510][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   20.116514][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.116515][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.116518][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.116521][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.116523][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.116525][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.116530][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   20.116535][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   20.116540][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.116542][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116546][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   20.116548][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   20.116551][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.116553][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116555][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116557][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.116558][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.116562][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   20.116568][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.116571][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   20.116574][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.116577][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.116579][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.116583][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.116585][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   20.116588][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.116591][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   20.116594][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.116597][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   20.116602][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.116605][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116608][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.116610][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.116615][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.116617][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.116619][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.116623][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116625][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.116627][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   20.116630][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.116632][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   20.116635][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.116637][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.116638][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.116639][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.116641][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.116643][  T203]  ? __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)
[   20.116646][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.116648][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   20.116650][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.116653][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.116654][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.116658][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116661][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.116668][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   20.116671][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.116673][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116696][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.116698][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.116700][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.116702][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.116704][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116709][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.116711][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.116713][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.116715][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.116718][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.116720][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.116723][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.116725][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116729][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.116731][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.116735][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.116738][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.116741][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.116747][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.116749][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.116754][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.116758][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.116762][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.116765][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.116769][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.116771][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.116773][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.116778][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.116781][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   20.116785][  T203]  __sys_sendto (net/socket.c:2281)
[   20.116788][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   20.116799][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   20.116804][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   20.116806][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.116810][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.116811][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   20.116814][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.116816][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.116818][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.116820][  T203] RIP: 0033:0x7fa5c33d754e
[   20.116824][  T203] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.116826][  T203] RSP: 002b:00007ffd99a5b430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   20.116829][  T203] RAX: ffffffffffffffda RBX: 0000557318a7a910 RCX: 00007fa5c33d754e
[   20.116830][  T203] RDX: 0000000000000030 RSI: 000055731891fbf0 RDI: 0000000000000014
[   20.116831][  T203] RBP: 00007ffd99a5b440 R08: 00007ffd99a5b490 R09: 0000000000000080
[   20.116831][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557318abe840
[   20.116832][  T203] R13: 00007ffd99a5b574 R14: 0000000000000000 R15: 0000000000000000
| [   21.294218][  T203] softirqs last disabled at (2210898): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   21.294221][  T203] Preemption disabled at:
| [   21.294222][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.294230][  T203] Tainted: [W]=WARN
[   21.294231][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.294233][  T203] Call Trace:
[   21.294234][  T203]  <TASK>
[   21.294236][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.294242][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.294244][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.294248][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.294252][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.294257][  T203]  __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))
[   21.294259][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.294266][  T203]  ? 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)
[   21.294268][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.294272][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   21.294275][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.294276][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.294279][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.294282][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.294287][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.294291][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.294296][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.294299][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.294304][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.294308][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.294310][  T203]  ? 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))
[   21.294313][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.294315][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.294319][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.294323][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.294325][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.294330][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.294333][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.294335][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.294337][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   21.294341][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.294342][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.294345][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.294348][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.294349][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.294352][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   21.294357][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   21.294362][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   21.294367][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.294369][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.294373][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   21.294375][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   21.294378][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.294380][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.294382][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.294384][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.294385][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.294389][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   21.294395][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.294398][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   21.294401][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.294404][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.294406][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.294410][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.294412][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   21.294415][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   21.294418][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   21.294421][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.294424][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   21.294430][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.294432][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.294435][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.294437][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.294438][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.294440][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.294442][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.294447][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.294449][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   21.294450][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   21.294454][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.294456][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   21.294458][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.294460][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.294462][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.294463][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.294465][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.294467][  T203]  ? __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)
[   21.294469][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.294471][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   21.294473][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.294476][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.294477][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.294480][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.294484][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.294491][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   21.294494][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.294496][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.294519][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.294520][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.294523][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.294525][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.294527][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.294532][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.294534][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.294536][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.294537][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.294541][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.294543][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.294546][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.294548][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.294552][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.294554][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.294558][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.294561][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.294564][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.294570][  T203]  ? 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))
[   21.294572][  T203]  ? 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))
[   21.294577][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.294581][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.294585][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.294588][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.294592][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.294594][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.294596][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.294601][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.294604][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   21.294608][  T203]  __sys_sendto (net/socket.c:2281)
[   21.294613][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   21.294628][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   21.294630][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.294633][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.294636][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   21.294639][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.294640][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.294643][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.294645][  T203] RIP: 0033:0x7fa5c33d754e
[   21.294649][  T203] 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
[   21.294651][  T203] RSP: 002b:00007ffd99a5b430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   21.294653][  T203] RAX: ffffffffffffffda RBX: 0000557318a7a910 RCX: 00007fa5c33d754e
[   21.294655][  T203] RDX: 0000000000000030 RSI: 0000557318a98340 RDI: 0000000000000014
[   21.294655][  T203] RBP: 00007ffd99a5b440 R08: 00007ffd99a5b490 R09: 0000000000000080
[   21.294656][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557318ac1ea0
[   21.294657][  T203] R13: 00007ffd99a5b574 R14: 0000000000000000 R15: 0000000000000000
| [   22.409997][  T557] softirqs last disabled at (15952): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   22.409999][  T557] Preemption disabled at:
| [   22.409999][  T557] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.410007][  T557] Tainted: [W]=WARN
[   22.410008][  T557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.410010][  T557] Call Trace:
[   22.410012][  T557]  <TASK>
[   22.410013][  T557]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.410019][  T557]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.410021][  T557]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.410025][  T557]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.410029][  T557]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.410033][  T557]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.410035][  T557]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.410042][  T557]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.410044][  T557]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.410048][  T557]  put_chars (drivers/char/virtio_console.c:1176)
[   22.410050][  T557]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.410053][  T557]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.410056][  T557]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.410058][  T557]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.410062][  T557]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.410066][  T557]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.410068][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.410070][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.410074][  T557]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.410075][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.410080][  T557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.410084][  T557]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.410088][  T557]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.410089][  T557]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.410092][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.410094][  T557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.410098][  T557]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.410102][  T557]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.410104][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.410109][  T557]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.410112][  T557]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.410114][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.410116][  T557]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   22.410119][  T557]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.410121][  T557]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.410124][  T557]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.410127][  T557]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.410129][  T557]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.410134][  T557]  _printk (kernel/printk/printk.c:2504)
[   22.410137][  T557]  ? snapshot_read.cold (user.c:?)
[   22.410140][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.410142][  T557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.410146][  T557]  ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84)
[   22.410150][  T557]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   22.410154][  T557]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   22.410159][  T557]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   22.410162][  T557]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   22.410168][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.410170][  T557]  notifier_call_chain (kernel/notifier.c:85)
[   22.410174][  T557]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   22.410179][  T557]  ? netif_change_name (net/core/dev.c:1517)
[   22.410183][  T557]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.410186][  T557]  ? write_profile (profile.c:?)
[   22.410191][  T557]  netif_change_flags (net/core/dev.c:9882)
[   22.410195][  T557]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   22.410198][  T557]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.410200][  T557]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.410202][  T557]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.410204][  T557]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.410207][  T557]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.410208][  T557]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.410210][  T557]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.410213][  T557]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.410215][  T557]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.410216][  T557]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.410217][  T557]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.410220][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.410222][  T557]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   22.410225][  T557]  ? ___sys_sendmsg (net/socket.c:2758)
[   22.410228][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.410230][  T557]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.410233][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.410235][  T557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.410236][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.410237][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.410239][  T557]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.410241][  T557]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   22.410243][  T557]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.410245][  T557]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.410248][  T557]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.410252][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.410254][  T557]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.410259][  T557]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.410264][  T557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.410266][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.410271][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.410273][  T557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.410275][  T557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.410276][  T557]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.410280][  T557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.410282][  T557]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.410285][  T557]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.410287][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.410291][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.410293][  T557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.410296][  T557]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.410298][  T557]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.410301][  T557]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.410307][  T557]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.410309][  T557]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.410314][  T557]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.410318][  T557]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.410320][  T557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.410324][  T557]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.410328][  T557]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.410332][  T557]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.410334][  T557]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   22.410339][  T557]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.410341][  T557]  ____sys_sendmsg (net/socket.c:2713)
[   22.410344][  T557]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.410346][  T557]  ? sock_write_iter (net/socket.c:1269)
[   22.410347][  T557]  ? move_addr_to_kernel (net/socket.c:258)
[   22.410355][  T557]  ___sys_sendmsg (net/socket.c:2767)
[   22.410357][  T557]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.410373][  T557]  __sys_sendmsg (net/socket.c:2799)
[   22.410376][  T557]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.410382][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.410385][  T557]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.410388][  T557]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.410391][  T557]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.410393][  T557] RIP: 0033:0x7f64c7e1c54e
[   22.410396][  T557] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.410398][  T557] RSP: 002b:00007ffc3a607500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.410400][  T557] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f64c7e1c54e
[   22.410402][  T557] RDX: 0000000000000000 RSI: 00007ffc3a6075b0 RDI: 0000000000000003
[   22.410403][  T557] RBP: 00007ffc3a607510 R08: 0000000000000000 R09: 0000000000000000
[   22.410403][  T557] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144aa
[   22.410404][  T557] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3a607c70
| [   23.446457][  T585] softirqs last disabled at (11458): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   23.446460][  T585] Preemption disabled at:
| [   23.446460][  T585] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.446468][  T585] Tainted: [W]=WARN
[   23.446469][  T585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.446470][  T585] Call Trace:
[   23.446472][  T585]  <TASK>
[   23.446473][  T585]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.446479][  T585]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.446481][  T585]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.446486][  T585]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.446490][  T585]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.446494][  T585]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.446496][  T585]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.446503][  T585]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.446506][  T585]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.446509][  T585]  put_chars (drivers/char/virtio_console.c:1176)
[   23.446512][  T585]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.446514][  T585]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.446518][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.446520][  T585]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.446524][  T585]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.446528][  T585]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.446530][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.446532][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.446536][  T585]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.446538][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.446543][  T585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.446547][  T585]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.446551][  T585]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.446553][  T585]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   23.446556][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.446558][  T585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.446562][  T585]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.446566][  T585]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.446568][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.446574][  T585]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.446576][  T585]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.446578][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.446580][  T585]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.446584][  T585]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.446586][  T585]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.446588][  T585]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.446592][  T585]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.446594][  T585]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.446599][  T585]  _printk (kernel/printk/printk.c:2504)
[   23.446602][  T585]  ? snapshot_read.cold (user.c:?)
[   23.446605][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.446607][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.446613][  T585]  ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84)
[   23.446617][  T585]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   23.446621][  T585]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   23.446627][  T585]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   23.446630][  T585]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   23.446636][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.446638][  T585]  notifier_call_chain (kernel/notifier.c:85)
[   23.446642][  T585]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   23.446647][  T585]  ? netif_change_name (net/core/dev.c:1517)
[   23.446651][  T585]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.446654][  T585]  ? write_profile (profile.c:?)
[   23.446659][  T585]  netif_change_flags (net/core/dev.c:9882)
[   23.446663][  T585]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   23.446667][  T585]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.446669][  T585]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.446670][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.446672][  T585]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.446675][  T585]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.446677][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.446679][  T585]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.446681][  T585]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.446683][  T585]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.446685][  T585]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.446686][  T585]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.446688][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.446690][  T585]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   23.446693][  T585]  ? ___sys_sendmsg (net/socket.c:2758)
[   23.446697][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.446699][  T585]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.446701][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.446703][  T585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.446705][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.446706][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.446707][  T585]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.446710][  T585]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   23.446712][  T585]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.446714][  T585]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.446717][  T585]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.446721][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.446723][  T585]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.446728][  T585]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.446733][  T585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.446735][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.446740][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.446742][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.446744][  T585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.446745][  T585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.446749][  T585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.446751][  T585]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.446754][  T585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.446755][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.446760][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.446762][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.446765][  T585]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.446767][  T585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.446770][  T585]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.446776][  T585]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.446778][  T585]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.446783][  T585]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.446787][  T585]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.446789][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.446793][  T585]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.446797][  T585]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.446801][  T585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.446803][  T585]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   23.446808][  T585]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.446810][  T585]  ____sys_sendmsg (net/socket.c:2713)
[   23.446813][  T585]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.446815][  T585]  ? sock_write_iter (net/socket.c:1269)
[   23.446816][  T585]  ? move_addr_to_kernel (net/socket.c:258)
[   23.446824][  T585]  ___sys_sendmsg (net/socket.c:2767)
[   23.446827][  T585]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.446843][  T585]  __sys_sendmsg (net/socket.c:2799)
[   23.446845][  T585]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.446851][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.446854][  T585]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.446857][  T585]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.446860][  T585]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.446862][  T585] RIP: 0033:0x7f1bd3ec954e
[   23.446866][  T585] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.446868][  T585] RSP: 002b:00007ffdb2c89180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.446871][  T585] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1bd3ec954e
[   23.446872][  T585] RDX: 0000000000000000 RSI: 00007ffdb2c89230 RDI: 0000000000000003
[   23.446873][  T585] RBP: 00007ffdb2c89190 R08: 0000000000000000 R09: 0000000000000000
[   23.446874][  T585] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144ab
[   23.446874][  T585] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb2c898f0
| [   24.586859][  T203] softirqs last disabled at (2906986): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   24.586861][  T203] Preemption disabled at:
| [   24.586862][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.586870][  T203] Tainted: [W]=WARN
[   24.586871][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.586872][  T203] Call Trace:
[   24.586874][  T203]  <TASK>
[   24.586876][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.586881][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.586883][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.586887][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.586891][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.586896][  T203]  __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))
[   24.586898][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.586904][  T203]  ? 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)
[   24.586907][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.586911][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   24.586913][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.586915][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.586918][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.586921][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.586926][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.586930][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.586935][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.586938][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.586943][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.586947][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.586949][  T203]  ? 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))
[   24.586952][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.586954][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.586958][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.586962][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.586964][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.586975][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.586977][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.586979][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.586981][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   24.586985][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.586987][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.586989][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.586992][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.586994][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.586996][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   24.587001][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   24.587006][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   24.587011][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.587013][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.587017][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   24.587019][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   24.587022][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.587025][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.587026][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.587028][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.587030][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.587033][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   24.587040][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.587042][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   24.587045][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.587048][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.587051][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.587054][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.587056][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   24.587059][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   24.587063][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   24.587066][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.587069][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.587074][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.587077][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.587080][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.587082][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.587084][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.587086][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.587087][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.587092][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.587094][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   24.587095][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   24.587099][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.587101][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   24.587104][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.587105][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.587107][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.587108][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.587110][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.587112][  T203]  ? __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)
[   24.587115][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.587117][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   24.587119][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.587121][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.587123][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.587127][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.587130][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.587137][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   24.587140][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.587141][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.587164][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.587166][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.587168][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.587170][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.587172][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.587177][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.587179][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.587181][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.587183][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.587186][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.587188][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.587192][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.587193][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.587197][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.587199][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.587203][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.587206][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.587209][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.587215][  T203]  ? 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))
[   24.587217][  T203]  ? 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))
[   24.587222][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.587226][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.587229][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.587233][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.587236][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.587238][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.587241][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.587246][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.587249][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   24.587252][  T203]  __sys_sendto (net/socket.c:2281)
[   24.587255][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   24.587269][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   24.587271][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.587275][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.587277][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   24.587280][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.587282][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.587285][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.587287][  T203] RIP: 0033:0x7fa5c33d754e
[   24.587291][  T203] 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
[   24.587293][  T203] RSP: 002b:00007ffd99a5b430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   24.587295][  T203] RAX: ffffffffffffffda RBX: 0000557318a7a910 RCX: 00007fa5c33d754e
[   24.587296][  T203] RDX: 0000000000000030 RSI: 0000557318ab90e0 RDI: 0000000000000014
[   24.587297][  T203] RBP: 00007ffd99a5b440 R08: 00007ffd99a5b490 R09: 0000000000000080
[   24.587298][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557318acbd70
[   24.587299][  T203] R13: 00007ffd99a5b574 R14: 0000000000000000 R15: 0000000000000000
| [   25.597770][  T646] softirqs last disabled at (10632): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   25.597772][  T646] Preemption disabled at:
| [   25.597773][  T646] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.597781][  T646] Tainted: [W]=WARN
[   25.597782][  T646] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.597784][  T646] Call Trace:
[   25.597786][  T646]  <TASK>
[   25.597787][  T646]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.597793][  T646]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.597794][  T646]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.597799][  T646]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.597803][  T646]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.597807][  T646]  __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))
[   25.597809][  T646]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.597816][  T646]  ? 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)
[   25.597819][  T646]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.597822][  T646]  put_chars (drivers/char/virtio_console.c:1176)
[   25.597825][  T646]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.597827][  T646]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.597830][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.597833][  T646]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.597837][  T646]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.597841][  T646]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.597843][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.597845][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.597849][  T646]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.597851][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.597855][  T646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.597859][  T646]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.597863][  T646]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.597865][  T646]  ? 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))
[   25.597868][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.597870][  T646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.597875][  T646]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.597879][  T646]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.597880][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.597886][  T646]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.597889][  T646]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.597891][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.597892][  T646]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   25.597896][  T646]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.597898][  T646]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.597900][  T646]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.597904][  T646]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.597906][  T646]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.597910][  T646]  _printk (kernel/printk/printk.c:2504)
[   25.597914][  T646]  ? snapshot_read.cold (user.c:?)
[   25.597917][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.597919][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.597923][  T646]  ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84)
[   25.597927][  T646]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   25.597931][  T646]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   25.597936][  T646]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   25.597940][  T646]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   25.597946][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.597947][  T646]  notifier_call_chain (kernel/notifier.c:85)
[   25.597952][  T646]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   25.597957][  T646]  ? netif_change_name (net/core/dev.c:1517)
[   25.597961][  T646]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.597964][  T646]  ? write_profile (profile.c:?)
[   25.597969][  T646]  netif_change_flags (net/core/dev.c:9882)
[   25.597978][  T646]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   25.597982][  T646]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.597984][  T646]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.597985][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.597987][  T646]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.597990][  T646]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.597992][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.597994][  T646]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.597997][  T646]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.597999][  T646]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.598000][  T646]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.598001][  T646]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.598004][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.598006][  T646]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   25.598008][  T646]  ? ___sys_sendmsg (net/socket.c:2758)
[   25.598012][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.598014][  T646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.598017][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.598019][  T646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.598020][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.598021][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.598023][  T646]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.598025][  T646]  ? __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)
[   25.598028][  T646]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.598030][  T646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.598033][  T646]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.598037][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.598039][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.598044][  T646]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.598049][  T646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.598051][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.598056][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.598058][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.598060][  T646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.598061][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.598065][  T646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.598067][  T646]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.598070][  T646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.598072][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.598076][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.598078][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.598082][  T646]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.598083][  T646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.598086][  T646]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.598093][  T646]  ? 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))
[   25.598095][  T646]  ? 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))
[   25.598099][  T646]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.598103][  T646]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.598106][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.598110][  T646]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.598114][  T646]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.598118][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.598120][  T646]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   25.598125][  T646]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   25.598128][  T646]  ____sys_sendmsg (net/socket.c:2713)
[   25.598130][  T646]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.598132][  T646]  ? sock_write_iter (net/socket.c:1269)
[   25.598134][  T646]  ? move_addr_to_kernel (net/socket.c:258)
[   25.598142][  T646]  ___sys_sendmsg (net/socket.c:2767)
[   25.598144][  T646]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.598161][  T646]  __sys_sendmsg (net/socket.c:2799)
[   25.598163][  T646]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.598170][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.598173][  T646]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.598176][  T646]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.598179][  T646]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.598181][  T646] RIP: 0033:0x7f6475fae54e
[   25.598185][  T646] 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
[   25.598187][  T646] RSP: 002b:00007ffc07444a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.598189][  T646] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6475fae54e
[   25.598190][  T646] RDX: 0000000000000000 RSI: 00007ffc07444b00 RDI: 0000000000000003
[   25.598191][  T646] RBP: 00007ffc07444a60 R08: 0000000000000000 R09: 0000000000000000
[   25.598192][  T646] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144ad
[   25.598193][  T646] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc074451c0
| [   26.604111][  T203] softirqs last disabled at (3268190): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   26.604113][  T203] Preemption disabled at:
| [   26.604114][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.604122][  T203] Tainted: [W]=WARN
[   26.604123][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.604125][  T203] Call Trace:
[   26.604126][  T203]  <TASK>
[   26.604128][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.604133][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.604135][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.604139][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.604144][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.604148][  T203]  __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))
[   26.604149][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.604156][  T203]  ? 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)
[   26.604159][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.604162][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   26.604165][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.604166][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.604169][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.604172][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.604177][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.604181][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.604186][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.604189][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.604193][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.604197][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.604199][  T203]  ? 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))
[   26.604202][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.604204][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.604208][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.604212][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.604214][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.604219][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.604222][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.604224][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.604226][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   26.604229][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.604231][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.604234][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.604237][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.604239][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.604241][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   26.604246][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   26.604251][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   26.604257][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.604259][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.604262][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   26.604265][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   26.604268][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.604270][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.604272][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.604274][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.604275][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.604279][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   26.604285][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.604288][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   26.604291][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.604293][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.604296][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.604299][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.604301][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   26.604305][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   26.604308][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   26.604311][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.604313][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   26.604319][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.604322][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.604324][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.604326][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.604328][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.604330][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.604331][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.604333][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.604337][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.604342][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.604344][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   26.604346][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.604348][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.604350][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.604351][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.604352][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.604355][  T203]  ? __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)
[   26.604357][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.604359][  T203]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   26.604361][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   26.604364][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.604366][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.604371][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.604378][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   26.604381][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.604383][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.604405][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.604407][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.604410][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.604411][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.604414][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.604418][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.604420][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.604422][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.604424][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.604428][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.604429][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.604433][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.604434][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.604438][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.604440][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.604444][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.604447][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.604450][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.604456][  T203]  ? 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))
[   26.604458][  T203]  ? 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))
[   26.604463][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.604467][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.604470][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.604474][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.604478][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.604479][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.604482][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.604487][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.604490][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   26.604493][  T203]  __sys_sendto (net/socket.c:2281)
[   26.604496][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   26.604507][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   26.604512][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   26.604514][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.604518][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.604519][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   26.604522][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.604524][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.604526][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.604528][  T203] RIP: 0033:0x7fa5c33d754e
[   26.604532][  T203] 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
[   26.604534][  T203] RSP: 002b:00007ffd99a5b430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   26.604536][  T203] RAX: ffffffffffffffda RBX: 0000557318a7a910 RCX: 00007fa5c33d754e
[   26.604538][  T203] RDX: 0000000000000030 RSI: 0000557318925cb0 RDI: 0000000000000014
[   26.604539][  T203] RBP: 00007ffd99a5b440 R08: 00007ffd99a5b490 R09: 0000000000000080
[   26.604539][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557318ad0610
[   26.604540][  T203] R13: 00007ffd99a5b574 R14: 0000000000000000 R15: 0000000000000000
| [   27.618243][  T203] softirqs last disabled at (3495424): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   27.618245][  T203] Preemption disabled at:
| [   27.618246][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.618254][  T203] Tainted: [W]=WARN
[   27.618255][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.618257][  T203] Call Trace:
[   27.618258][  T203]  <TASK>
[   27.618260][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.618265][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.618267][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.618272][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.618276][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.618280][  T203]  __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))
[   27.618282][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.618289][  T203]  ? 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)
[   27.618292][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.618295][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   27.618298][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.618299][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.618303][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.618306][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.618311][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.618315][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.618320][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.618323][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.618328][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.618332][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.618334][  T203]  ? 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))
[   27.618337][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.618339][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.618343][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.618347][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.618349][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.618354][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.618357][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.618359][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.618361][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.618365][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.618366][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.618369][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.618372][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.618374][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.618376][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.618381][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   27.618387][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   27.618392][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.618394][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.618397][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   27.618400][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   27.618403][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.618405][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.618407][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.618409][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.618410][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.618414][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   27.618420][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.618423][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   27.618426][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.618429][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.618431][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.618435][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.618437][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.618440][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.618443][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.618446][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.618449][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.618455][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.618457][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.618460][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.618462][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.618463][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.618465][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.618467][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.618472][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.618474][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.618475][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   27.618479][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.618481][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   27.618484][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.618485][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.618487][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.618488][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.618490][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.618492][  T203]  ? __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)
[   27.618495][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.618497][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   27.618498][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.618501][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.618502][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.618506][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.618510][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.618517][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   27.618520][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.618521][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.618545][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.618546][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.618549][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.618551][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.618553][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.618558][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.618560][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.618562][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.618563][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.618567][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.618569][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.618572][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.618574][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.618578][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.618580][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.618584][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.618587][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.618590][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.618596][  T203]  ? 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))
[   27.618598][  T203]  ? 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))
[   27.618603][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.618607][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.618613][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.618616][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.618621][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.618622][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.618625][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.618630][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.618633][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   27.618637][  T203]  __sys_sendto (net/socket.c:2281)
[   27.618640][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.618654][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.618656][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.618659][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.618662][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.618664][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.618666][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.618669][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.618671][  T203] RIP: 0033:0x7fa5c33d754e
[   27.618675][  T203] 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
[   27.618677][  T203] RSP: 002b:00007ffd99a5b430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.618679][  T203] RAX: ffffffffffffffda RBX: 0000557318a7a910 RCX: 00007fa5c33d754e
[   27.618680][  T203] RDX: 0000000000000030 RSI: 0000557318a98340 RDI: 0000000000000014
[   27.618681][  T203] RBP: 00007ffd99a5b440 R08: 00007ffd99a5b490 R09: 0000000000000080
[   27.618682][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557318ad3f60
[   27.618683][  T203] R13: 00007ffd99a5b574 R14: 0000000000000000 R15: 0000000000000000
| [   28.684045][  T724] softirqs last disabled at (11406): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   28.684047][  T724] Preemption disabled at:
| [   28.684047][  T724] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.684055][  T724] Tainted: [W]=WARN
[   28.684056][  T724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.684058][  T724] Call Trace:
[   28.684060][  T724]  <TASK>
[   28.684061][  T724]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.684067][  T724]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.684068][  T724]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.684073][  T724]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.684077][  T724]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.684081][  T724]  __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))
[   28.684083][  T724]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.684089][  T724]  ? 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)
[   28.684092][  T724]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.684096][  T724]  put_chars (drivers/char/virtio_console.c:1176)
[   28.684098][  T724]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.684101][  T724]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.684103][  T724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.684106][  T724]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.684110][  T724]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.684114][  T724]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.684116][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.684117][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.684122][  T724]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.684123][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.684128][  T724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.684132][  T724]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.684136][  T724]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.684137][  T724]  ? 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))
[   28.684141][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.684143][  T724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.684146][  T724]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.684151][  T724]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.684152][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.684158][  T724]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.684160][  T724]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.684162][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.684164][  T724]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   28.684168][  T724]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.684170][  T724]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.684172][  T724]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.684175][  T724]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.684178][  T724]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.684182][  T724]  _printk (kernel/printk/printk.c:2504)
[   28.684186][  T724]  ? snapshot_read.cold (user.c:?)
[   28.684189][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.684191][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.684195][  T724]  ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84)
[   28.684198][  T724]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   28.684203][  T724]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   28.684208][  T724]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   28.684211][  T724]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   28.684217][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.684219][  T724]  notifier_call_chain (kernel/notifier.c:85)
[   28.684223][  T724]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   28.684228][  T724]  ? netif_change_name (net/core/dev.c:1517)
[   28.684232][  T724]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   28.684235][  T724]  ? write_profile (profile.c:?)
[   28.684240][  T724]  netif_change_flags (net/core/dev.c:9882)
[   28.684244][  T724]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   28.684248][  T724]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.684250][  T724]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.684251][  T724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.684253][  T724]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.684256][  T724]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.684258][  T724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.684260][  T724]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.684262][  T724]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.684265][  T724]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.684266][  T724]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.684267][  T724]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.684269][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.684271][  T724]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   28.684274][  T724]  ? ___sys_sendmsg (net/socket.c:2758)
[   28.684278][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.684280][  T724]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.684283][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.684284][  T724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.684286][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.684287][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.684289][  T724]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.684291][  T724]  ? __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)
[   28.684293][  T724]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.684295][  T724]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.684299][  T724]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.684302][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.684307][  T724]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.684313][  T724]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.684318][  T724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.684320][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.684324][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.684326][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.684328][  T724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.684330][  T724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.684334][  T724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.684336][  T724]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.684339][  T724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.684340][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.684344][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.684346][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.684350][  T724]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.684352][  T724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.684354][  T724]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.684361][  T724]  ? 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))
[   28.684363][  T724]  ? 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))
[   28.684367][  T724]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.684371][  T724]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.684374][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.684378][  T724]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.684382][  T724]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.684385][  T724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.684387][  T724]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   28.684392][  T724]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   28.684395][  T724]  ____sys_sendmsg (net/socket.c:2713)
[   28.684397][  T724]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.684399][  T724]  ? sock_write_iter (net/socket.c:1269)
[   28.684401][  T724]  ? move_addr_to_kernel (net/socket.c:258)
[   28.684408][  T724]  ___sys_sendmsg (net/socket.c:2767)
[   28.684411][  T724]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.684427][  T724]  __sys_sendmsg (net/socket.c:2799)
[   28.684429][  T724]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.684435][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.684438][  T724]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.684442][  T724]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.684445][  T724]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.684447][  T724] RIP: 0033:0x7f8406f6f54e
[   28.684451][  T724] 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
[   28.684453][  T724] RSP: 002b:00007ffe8fd5f990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.684455][  T724] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8406f6f54e
[   28.684456][  T724] RDX: 0000000000000000 RSI: 00007ffe8fd5fa40 RDI: 0000000000000003
[   28.684457][  T724] RBP: 00007ffe8fd5f9a0 R08: 0000000000000000 R09: 0000000000000000
[   28.684458][  T724] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144b1
[   28.684459][  T724] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8fd60100
| [   29.713581][  T203] softirqs last disabled at (3797442): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   29.713583][  T203] Preemption disabled at:
| [   29.713584][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.713592][  T203] Tainted: [W]=WARN
[   29.713593][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.713595][  T203] Call Trace:
[   29.713596][  T203]  <TASK>
[   29.713598][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.713603][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.713605][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.713609][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.713617][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.713622][  T203]  __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))
[   29.713624][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.713630][  T203]  ? 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)
[   29.713633][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.713637][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   29.713639][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.713640][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.713644][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.713646][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.713651][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.713655][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.713660][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.713663][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.713668][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.713671][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.713673][  T203]  ? 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))
[   29.713676][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.713678][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.713682][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.713686][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.713688][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.713693][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.713696][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.713698][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.713700][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   29.713703][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.713705][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.713708][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.713711][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.713712][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.713714][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   29.713719][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   29.713724][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   29.713729][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.713731][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.713735][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   29.713737][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   29.713740][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.713742][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.713744][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.713745][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.713747][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.713751][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   29.713757][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.713760][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   29.713762][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.713765][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.713767][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.713771][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.713773][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   29.713776][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   29.713779][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   29.713782][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.713785][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.713790][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.713793][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.713796][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.713797][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.713799][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.713801][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.713803][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.713807][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.713809][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   29.713811][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   29.713814][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.713816][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   29.713819][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.713820][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.713822][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.713823][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.713825][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.713827][  T203]  ? __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)
[   29.713830][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.713831][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   29.713833][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.713836][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.713837][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.713841][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.713844][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.713851][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   29.713854][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   29.713855][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.713878][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.713880][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.713882][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.713884][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.713886][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.713891][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.713893][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.713894][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   29.713896][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.713900][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   29.713902][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.713905][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.713907][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.713911][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.713913][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.713917][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.713920][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.713923][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.713929][  T203]  ? 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))
[   29.713931][  T203]  ? 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))
[   29.713935][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.713939][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.713942][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.713944][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.713948][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.713952][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.713953][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.713956][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.713961][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   29.713963][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   29.713967][  T203]  __sys_sendto (net/socket.c:2281)
[   29.713970][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   29.713981][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   29.713986][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   29.713988][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.713996][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.713997][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   29.714000][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.714002][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.714004][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.714006][  T203] RIP: 0033:0x7fa5c33d754e
[   29.714010][  T203] 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
[   29.714012][  T203] RSP: 002b:00007ffd99a5b430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   29.714014][  T203] RAX: ffffffffffffffda RBX: 0000557318a7a910 RCX: 00007fa5c33d754e
[   29.714015][  T203] RDX: 0000000000000030 RSI: 000055731890f190 RDI: 0000000000000014
[   29.714016][  T203] RBP: 00007ffd99a5b440 R08: 00007ffd99a5b490 R09: 0000000000000080
[   29.714017][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557318ad9630
[   29.714018][  T203] R13: 00007ffd99a5b574 R14: 0000000000000000 R15: 0000000000000000
| [   30.768392][  T783] softirqs last disabled at (20234): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   30.768394][  T783] Preemption disabled at:
| [   30.768395][  T783] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.768403][  T783] Tainted: [W]=WARN
[   30.768404][  T783] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.768405][  T783] Call Trace:
[   30.768407][  T783]  <TASK>
[   30.768408][  T783]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.768414][  T783]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.768415][  T783]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.768420][  T783]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.768424][  T783]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.768428][  T783]  __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))
[   30.768430][  T783]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.768437][  T783]  ? 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)
[   30.768439][  T783]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.768443][  T783]  put_chars (drivers/char/virtio_console.c:1176)
[   30.768446][  T783]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.768448][  T783]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.768451][  T783]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.768454][  T783]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.768458][  T783]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.768462][  T783]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.768464][  T783]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.768465][  T783]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.768469][  T783]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.768471][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.768475][  T783]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.768479][  T783]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.768483][  T783]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.768485][  T783]  ? 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))
[   30.768488][  T783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.768490][  T783]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.768494][  T783]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.768498][  T783]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.768500][  T783]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.768505][  T783]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.768508][  T783]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.768510][  T783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.768512][  T783]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   30.768515][  T783]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.768517][  T783]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.768520][  T783]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.768523][  T783]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.768525][  T783]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.768529][  T783]  _printk (kernel/printk/printk.c:2504)
[   30.768533][  T783]  ? snapshot_read.cold (user.c:?)
[   30.768536][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.768538][  T783]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.768542][  T783]  ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84)
[   30.768545][  T783]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   30.768550][  T783]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   30.768554][  T783]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   30.768558][  T783]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   30.768564][  T783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.768565][  T783]  notifier_call_chain (kernel/notifier.c:85)
[   30.768570][  T783]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   30.768575][  T783]  ? netif_change_name (net/core/dev.c:1517)
[   30.768578][  T783]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.768582][  T783]  ? write_profile (profile.c:?)
[   30.768587][  T783]  netif_change_flags (net/core/dev.c:9882)
[   30.768591][  T783]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   30.768594][  T783]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.768596][  T783]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.768598][  T783]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.768599][  T783]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.768603][  T783]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.768605][  T783]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.768606][  T783]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.768609][  T783]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.768613][  T783]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.768614][  T783]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.768615][  T783]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.768618][  T783]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.768619][  T783]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   30.768622][  T783]  ? ___sys_sendmsg (net/socket.c:2758)
[   30.768626][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.768628][  T783]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.768631][  T783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.768633][  T783]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.768634][  T783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.768635][  T783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.768637][  T783]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.768639][  T783]  ? __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)
[   30.768642][  T783]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.768644][  T783]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.768647][  T783]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.768650][  T783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.768653][  T783]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.768658][  T783]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.768663][  T783]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.768665][  T783]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.768669][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.768671][  T783]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.768673][  T783]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.768675][  T783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.768679][  T783]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.768681][  T783]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.768684][  T783]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.768685][  T783]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.768689][  T783]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.768691][  T783]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.768695][  T783]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.768697][  T783]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.768700][  T783]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.768706][  T783]  ? 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))
[   30.768708][  T783]  ? 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))
[   30.768712][  T783]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.768716][  T783]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.768719][  T783]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.768723][  T783]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.768727][  T783]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.768731][  T783]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.768732][  T783]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   30.768737][  T783]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   30.768740][  T783]  ____sys_sendmsg (net/socket.c:2713)
[   30.768742][  T783]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.768745][  T783]  ? sock_write_iter (net/socket.c:1269)
[   30.768746][  T783]  ? move_addr_to_kernel (net/socket.c:258)
[   30.768753][  T783]  ___sys_sendmsg (net/socket.c:2767)
[   30.768756][  T783]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.768772][  T783]  __sys_sendmsg (net/socket.c:2799)
[   30.768774][  T783]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.768781][  T783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.768784][  T783]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.768787][  T783]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.768789][  T783]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.768791][  T783] RIP: 0033:0x7fd55cf0d54e
[   30.768795][  T783] 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
[   30.768797][  T783] RSP: 002b:00007fffd6ce40f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.768800][  T783] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd55cf0d54e
[   30.768801][  T783] RDX: 0000000000000000 RSI: 00007fffd6ce41a0 RDI: 0000000000000003
[   30.768802][  T783] RBP: 00007fffd6ce4100 R08: 0000000000000000 R09: 0000000000000000
[   30.768803][  T783] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144b3
[   30.768804][  T783] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd6ce4860
| [   31.877040][  T206] softirqs last disabled at (2172256): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   31.877042][  T206] Preemption disabled at:
| [   31.877043][  T206] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.877051][  T206] Tainted: [W]=WARN
[   31.877052][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.877054][  T206] Call Trace:
[   31.877055][  T206]  <TASK>
[   31.877057][  T206]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.877063][  T206]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.877065][  T206]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.877069][  T206]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.877073][  T206]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.877077][  T206]  __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))
[   31.877079][  T206]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.877086][  T206]  ? 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)
[   31.877088][  T206]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.877092][  T206]  put_chars (drivers/char/virtio_console.c:1176)
[   31.877095][  T206]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.877096][  T206]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.877099][  T206]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.877103][  T206]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.877107][  T206]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.877111][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.877116][  T206]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.877119][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.877124][  T206]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.877128][  T206]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.877130][  T206]  ? 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))
[   31.877133][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.877135][  T206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.877139][  T206]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.877143][  T206]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.877145][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.877150][  T206]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.877153][  T206]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.877155][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.877157][  T206]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   31.877160][  T206]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.877162][  T206]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.877165][  T206]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.877168][  T206]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.877169][  T206]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.877171][  T206]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   31.877176][  T206]  dev_vprintk_emit (drivers/base/core.c:5000)
[   31.877181][  T206]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   31.877186][  T206]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.877189][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.877192][  T206]  dev_printk_emit (drivers/base/core.c:5011)
[   31.877195][  T206]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   31.877197][  T206]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.877200][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.877201][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.877203][  T206]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.877205][  T206]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.877209][  T206]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   31.877215][  T206]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.877218][  T206]  ? netdev_notice (net/core/dev.c:13194)
[   31.877221][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.877223][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.877226][  T206]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.877230][  T206]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.877232][  T206]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   31.877234][  T206]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   31.877238][  T206]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   31.877241][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.877244][  T206]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.877250][  T206]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.877252][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.877255][  T206]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.877257][  T206]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.877259][  T206]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.877261][  T206]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.877262][  T206]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.877267][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.877269][  T206]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   31.877271][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   31.877274][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.877276][  T206]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   31.877279][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.877280][  T206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.877282][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.877283][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.877285][  T206]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.877287][  T206]  ? __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)
[   31.877290][  T206]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.877292][  T206]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   31.877293][  T206]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.877296][  T206]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.877298][  T206]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.877301][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.877304][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.877312][  T206]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   31.877315][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   31.877316][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.877338][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.877340][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.877343][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.877345][  T206]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.877347][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.877352][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.877354][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.877356][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   31.877357][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.877361][  T206]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   31.877363][  T206]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.877366][  T206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.877368][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.877372][  T206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.877374][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.877378][  T206]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.877381][  T206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.877384][  T206]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.877390][  T206]  ? 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))
[   31.877392][  T206]  ? 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))
[   31.877397][  T206]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.877401][  T206]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.877404][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.877408][  T206]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.877412][  T206]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.877414][  T206]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.877416][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.877421][  T206]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   31.877424][  T206]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   31.877428][  T206]  __sys_sendto (net/socket.c:2281)
[   31.877431][  T206]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   31.877441][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   31.877447][  T206]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   31.877449][  T206]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.877453][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   31.877454][  T206]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   31.877457][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.877459][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.877461][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.877463][  T206] RIP: 0033:0x7fa5c33d754e
[   31.877467][  T206] 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
[   31.877469][  T206] RSP: 002b:00007ffd99a5b430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   31.877472][  T206] RAX: ffffffffffffffda RBX: 0000557318a7a910 RCX: 00007fa5c33d754e
[   31.877473][  T206] RDX: 0000000000000030 RSI: 000055731890ed90 RDI: 000000000000001a
[   31.877474][  T206] RBP: 00007ffd99a5b440 R08: 00007ffd99a5b490 R09: 0000000000000080
[   31.877475][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557318a8c280
[   31.877476][  T206] R13: 00007ffd99a5b574 R14: 0000000000000000 R15: 0000000000000000
| [   32.923080][  T203] softirqs last disabled at (4298440): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   32.923082][  T203] Preemption disabled at:
| [   32.923083][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.923091][  T203] Tainted: [W]=WARN
[   32.923092][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.923094][  T203] Call Trace:
[   32.923095][  T203]  <TASK>
[   32.923097][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.923102][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.923104][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.923108][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.923113][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.923117][  T203]  __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))
[   32.923119][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.923125][  T203]  ? 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)
[   32.923128][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.923132][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   32.923134][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.923136][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.923139][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.923142][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.923147][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.923151][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.923156][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.923159][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.923164][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.923168][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.923170][  T203]  ? 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))
[   32.923173][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.923175][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.923179][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.923183][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.923185][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.923190][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.923193][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.923195][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.923197][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   32.923201][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.923202][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.923205][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.923209][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.923210][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.923212][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   32.923217][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   32.923222][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   32.923227][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.923230][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.923233][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   32.923236][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   32.923238][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.923241][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.923243][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.923244][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.923246][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.923249][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   32.923256][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.923259][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   32.923261][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.923264][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.923267][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.923270][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.923272][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   32.923275][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   32.923278][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   32.923281][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.923284][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.923290][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.923292][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.923296][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.923297][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.923299][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.923301][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.923303][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.923310][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.923313][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   32.923315][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   32.923321][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.923324][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   32.923327][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.923329][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.923331][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.923332][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.923333][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.923335][  T203]  ? __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)
[   32.923338][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.923340][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   32.923342][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.923345][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.923346][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.923350][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.923353][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.923361][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   32.923364][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   32.923365][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.923387][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.923389][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.923392][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.923394][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.923396][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.923400][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.923402][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.923404][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   32.923406][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.923409][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   32.923411][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.923414][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.923416][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.923420][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.923422][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.923426][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.923429][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.923432][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.923438][  T203]  ? 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))
[   32.923440][  T203]  ? 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))
[   32.923445][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.923449][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.923452][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.923456][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.923460][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.923461][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.923464][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.923469][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   32.923471][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   32.923475][  T203]  __sys_sendto (net/socket.c:2281)
[   32.923478][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   32.923489][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   32.923494][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   32.923496][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.923500][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   32.923501][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   32.923504][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.923506][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.923508][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.923510][  T203] RIP: 0033:0x7fa5c33d754e
[   32.923514][  T203] 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
[   32.923516][  T203] RSP: 002b:00007ffd99a5b430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   32.923518][  T203] RAX: ffffffffffffffda RBX: 0000557318a7a910 RCX: 00007fa5c33d754e
[   32.923520][  T203] RDX: 0000000000000030 RSI: 000055731890ed90 RDI: 0000000000000014
[   32.923520][  T203] RBP: 00007ffd99a5b440 R08: 00007ffd99a5b490 R09: 0000000000000080
[   32.923521][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557318ae0f20
[   32.923522][  T203] R13: 00007ffd99a5b574 R14: 0000000000000000 R15: 0000000000000000
| [   33.942524][  T203] softirqs last disabled at (4538072): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   33.942526][  T203] Preemption disabled at:
| [   33.942527][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.942535][  T203] Tainted: [W]=WARN
[   33.942536][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.942538][  T203] Call Trace:
[   33.942539][  T203]  <TASK>
[   33.942541][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.942546][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.942548][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.942554][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.942560][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.942566][  T203]  __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))
[   33.942569][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.942578][  T203]  ? 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)
[   33.942581][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.942585][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   33.942587][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.942589][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.942592][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.942595][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.942600][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.942604][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.942609][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.942616][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.942620][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.942624][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.942626][  T203]  ? 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))
[   33.942629][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.942631][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.942635][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.942639][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.942641][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.942646][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.942649][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.942651][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.942653][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   33.942656][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.942658][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.942661][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.942664][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.942665][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.942667][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   33.942672][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   33.942677][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   33.942682][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.942684][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.942688][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   33.942690][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   33.942693][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.942695][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.942697][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.942699][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.942700][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.942704][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   33.942710][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.942713][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   33.942716][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.942719][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.942721][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   33.942724][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.942728][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   33.942733][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   33.942738][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   33.942742][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.942745][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   33.942751][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.942754][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.942757][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.942758][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.942760][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.942762][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.942764][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.942768][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.942770][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   33.942772][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   33.942775][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.942777][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   33.942780][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.942781][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.942783][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.942784][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.942786][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.942788][  T203]  ? __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)
[   33.942791][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.942793][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   33.942795][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.942798][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.942799][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   33.942803][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.942806][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.942813][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   33.942816][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   33.942818][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.942840][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.942842][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.942844][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.942846][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.942848][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.942853][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.942855][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.942857][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   33.942858][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.942862][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   33.942864][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.942867][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.942869][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.942873][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.942875][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.942878][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.942881][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.942884][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.942891][  T203]  ? 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))
[   33.942893][  T203]  ? 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))
[   33.942897][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.942901][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.942905][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.942908][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.942912][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.942914][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.942917][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.942921][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   33.942924][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   33.942928][  T203]  __sys_sendto (net/socket.c:2281)
[   33.942931][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   33.942941][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   33.942947][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   33.942949][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.942952][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   33.942954][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   33.942956][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.942958][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.942961][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.942963][  T203] RIP: 0033:0x7fa5c33d754e
[   33.942967][  T203] 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
[   33.942968][  T203] RSP: 002b:00007ffd99a5b430 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   33.942971][  T203] RAX: ffffffffffffffda RBX: 0000557318a7a910 RCX: 00007fa5c33d754e
[   33.942972][  T203] RDX: 0000000000000030 RSI: 000055731892a820 RDI: 0000000000000014
[   33.942973][  T203] RBP: 00007ffd99a5b440 R08: 00007ffd99a5b490 R09: 0000000000000080
[   33.942974][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557318ae4070
[   33.942975][  T203] R13: 00007ffd99a5b574 R14: 0000000000000000 R15: 0000000000000000
| [   34.990917][  T900] softirqs last disabled at (11348): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   34.990919][  T900] Preemption disabled at:
| [   34.990920][  T900] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.990928][  T900] Tainted: [W]=WARN
[   34.990929][  T900] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.990931][  T900] Call Trace:
[   34.990933][  T900]  <TASK>
[   34.990934][  T900]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.990940][  T900]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.990942][  T900]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.990947][  T900]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.990951][  T900]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.990956][  T900]  __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))
[   34.990958][  T900]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.990964][  T900]  ? 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)
[   34.990967][  T900]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.990971][  T900]  put_chars (drivers/char/virtio_console.c:1176)
[   34.990973][  T900]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.990976][  T900]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.990979][  T900]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.990982][  T900]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.990986][  T900]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.990990][  T900]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.990992][  T900]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.990994][  T900]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.990998][  T900]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.991000][  T900]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.991004][  T900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.991009][  T900]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.991013][  T900]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.991015][  T900]  ? 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))
[   34.991022][  T900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.991024][  T900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.991028][  T900]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.991033][  T900]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.991034][  T900]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.991040][  T900]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.991043][  T900]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.991044][  T900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.991046][  T900]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   34.991050][  T900]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.991052][  T900]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.991054][  T900]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.991058][  T900]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.991060][  T900]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   34.991064][  T900]  _printk (kernel/printk/printk.c:2504)
[   34.991068][  T900]  ? snapshot_read.cold (user.c:?)
[   34.991071][  T900]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.991073][  T900]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.991077][  T900]  ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84)
[   34.991080][  T900]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   34.991085][  T900]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   34.991090][  T900]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   34.991094][  T900]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   34.991100][  T900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.991102][  T900]  notifier_call_chain (kernel/notifier.c:85)
[   34.991106][  T900]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   34.991111][  T900]  ? netif_change_name (net/core/dev.c:1517)
[   34.991115][  T900]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.991118][  T900]  ? write_profile (profile.c:?)
[   34.991123][  T900]  netif_change_flags (net/core/dev.c:9882)
[   34.991127][  T900]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   34.991131][  T900]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   34.991133][  T900]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   34.991134][  T900]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.991136][  T900]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.991139][  T900]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.991141][  T900]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.991143][  T900]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.991145][  T900]  ? kasan_save_stack (mm/kasan/common.c:58)
[   34.991148][  T900]  ? kasan_save_stack (mm/kasan/common.c:57)
[   34.991149][  T900]  ? kasan_save_track (mm/kasan/common.c:78)
[   34.991150][  T900]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   34.991152][  T900]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.991154][  T900]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   34.991157][  T900]  ? ___sys_sendmsg (net/socket.c:2758)
[   34.991161][  T900]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.991163][  T900]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.991166][  T900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.991167][  T900]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.991169][  T900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.991170][  T900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.991172][  T900]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   34.991174][  T900]  ? __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)
[   34.991176][  T900]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   34.991178][  T900]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.991181][  T900]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.991185][  T900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.991187][  T900]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   34.991192][  T900]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   34.991198][  T900]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.991199][  T900]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.991204][  T900]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.991206][  T900]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.991208][  T900]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.991210][  T900]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.991213][  T900]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.991215][  T900]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.991219][  T900]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.991220][  T900]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.991224][  T900]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.991226][  T900]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.991230][  T900]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.991232][  T900]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.991235][  T900]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.991241][  T900]  ? 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))
[   34.991244][  T900]  ? 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))
[   34.991248][  T900]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.991252][  T900]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.991255][  T900]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.991259][  T900]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.991263][  T900]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.991267][  T900]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.991269][  T900]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   34.991274][  T900]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   34.991277][  T900]  ____sys_sendmsg (net/socket.c:2713)
[   34.991279][  T900]  ? copy_msghdr_from_user (net/socket.c:2650)
[   34.991281][  T900]  ? sock_write_iter (net/socket.c:1269)
[   34.991283][  T900]  ? move_addr_to_kernel (net/socket.c:258)
[   34.991290][  T900]  ___sys_sendmsg (net/socket.c:2767)
[   34.991293][  T900]  ? copy_msghdr_from_user (net/socket.c:2619)
[   34.991309][  T900]  __sys_sendmsg (net/socket.c:2799)
[   34.991312][  T900]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   34.991318][  T900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.991321][  T900]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.991324][  T900]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.991327][  T900]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.991329][  T900] RIP: 0033:0x7f4552ff054e
[   34.991333][  T900] 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
[   34.991334][  T900] RSP: 002b:00007ffec19d5880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.991337][  T900] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4552ff054e
[   34.991339][  T900] RDX: 0000000000000000 RSI: 00007ffec19d5930 RDI: 0000000000000003
[   34.991339][  T900] RBP: 00007ffec19d5890 R08: 0000000000000000 R09: 0000000000000000
[   34.991340][  T900] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144b7
[   34.991341][  T900] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec19d5ff0
| [   36.035333][  T931] softirqs last disabled at (14982): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   36.035335][  T931] Preemption disabled at:
| [   36.035336][  T931] vprintk_emit (kernel/printk/printk.c:2471)
| [   36.035344][  T931] Tainted: [W]=WARN
[   36.035345][  T931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.035346][  T931] Call Trace:
[   36.035348][  T931]  <TASK>
[   36.035350][  T931]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.035356][  T931]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   36.035357][  T931]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.035362][  T931]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.035366][  T931]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.035371][  T931]  __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))
[   36.035373][  T931]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.035379][  T931]  ? 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)
[   36.035382][  T931]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.035385][  T931]  put_chars (drivers/char/virtio_console.c:1176)
[   36.035388][  T931]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.035390][  T931]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.035393][  T931]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.035396][  T931]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.035400][  T931]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.035404][  T931]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   36.035406][  T931]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.035407][  T931]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.035412][  T931]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.035413][  T931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.035418][  T931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.035422][  T931]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.035426][  T931]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.035428][  T931]  ? 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))
[   36.035431][  T931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.035433][  T931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.035437][  T931]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.035441][  T931]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.035443][  T931]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.035448][  T931]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.035451][  T931]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.035453][  T931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.035455][  T931]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   36.035459][  T931]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.035460][  T931]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.035463][  T931]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.035466][  T931]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.035468][  T931]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.035473][  T931]  _printk (kernel/printk/printk.c:2504)
[   36.035476][  T931]  ? snapshot_read.cold (user.c:?)
[   36.035480][  T931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.035482][  T931]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.035485][  T931]  ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84)
[   36.035489][  T931]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   36.035494][  T931]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   36.035499][  T931]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   36.035502][  T931]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   36.035508][  T931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.035510][  T931]  notifier_call_chain (kernel/notifier.c:85)
[   36.035515][  T931]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   36.035520][  T931]  ? netif_change_name (net/core/dev.c:1517)
[   36.035524][  T931]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.035527][  T931]  ? write_profile (profile.c:?)
[   36.035532][  T931]  netif_change_flags (net/core/dev.c:9882)
[   36.035536][  T931]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   36.035540][  T931]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.035542][  T931]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.035543][  T931]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.035545][  T931]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.035548][  T931]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.035550][  T931]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.035552][  T931]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.035554][  T931]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.035557][  T931]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.035558][  T931]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.035559][  T931]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   36.035561][  T931]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.035563][  T931]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   36.035566][  T931]  ? ___sys_sendmsg (net/socket.c:2758)
[   36.035570][  T931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.035572][  T931]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.035575][  T931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.035576][  T931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.035578][  T931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.035579][  T931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.035581][  T931]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.035583][  T931]  ? __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)
[   36.035586][  T931]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.035588][  T931]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.035591][  T931]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.035595][  T931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.035597][  T931]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.035602][  T931]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.035608][  T931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.035610][  T931]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.035616][  T931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.035618][  T931]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.035620][  T931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.035622][  T931]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.035626][  T931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.035628][  T931]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.035631][  T931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.035633][  T931]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.035637][  T931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.035639][  T931]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.035642][  T931]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.035644][  T931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.035647][  T931]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.035653][  T931]  ? 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))
[   36.035656][  T931]  ? 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))
[   36.035660][  T931]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.035664][  T931]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.035666][  T931]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.035671][  T931]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.035675][  T931]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.035678][  T931]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.035680][  T931]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   36.035685][  T931]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   36.035688][  T931]  ____sys_sendmsg (net/socket.c:2713)
[   36.035690][  T931]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.035692][  T931]  ? sock_write_iter (net/socket.c:1269)
[   36.035694][  T931]  ? move_addr_to_kernel (net/socket.c:258)
[   36.035701][  T931]  ___sys_sendmsg (net/socket.c:2767)
[   36.035704][  T931]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.035720][  T931]  __sys_sendmsg (net/socket.c:2799)
[   36.035723][  T931]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.035729][  T931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.035732][  T931]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.035735][  T931]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.035737][  T931]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.035739][  T931] RIP: 0033:0x7ff1004eb54e
[   36.035743][  T931] 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
[   36.035745][  T931] RSP: 002b:00007ffd3a3a11d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.035747][  T931] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff1004eb54e
[   36.035749][  T931] RDX: 0000000000000000 RSI: 00007ffd3a3a1280 RDI: 0000000000000003
[   36.035750][  T931] RBP: 00007ffd3a3a11e0 R08: 0000000000000000 R09: 0000000000000000
[   36.035750][  T931] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144b8


Finger prints:
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars