======================================
| [    9.728313][  T203] softirqs last disabled at (23214): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    9.728316][  T203] Preemption disabled at:
| [    9.728316][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.728325][  T203] Tainted: [W]=WARN
[    9.728326][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.728328][  T203] Call Trace:
[    9.728329][  T203]  <TASK>
[    9.728331][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.728336][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.728338][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.728342][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.728347][  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)
[    9.728351][  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))
[    9.728353][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.728360][  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)
[    9.728363][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.728366][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[    9.728369][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.728372][  T203]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.728377][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.728381][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.728386][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.728389][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.728394][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.728398][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.728400][  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))
[    9.728403][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.728405][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.728409][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.728413][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.728415][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.728420][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.728423][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.728425][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.728427][  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)
[    9.728430][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.728432][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.728435][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.728438][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.728439][  T203]  ? __kernel_text_address (kernel/extable.c:79)
[    9.728442][  T203]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.728445][  T203]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[    9.728451][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[    9.728455][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[    9.728463][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[    9.728466][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[    9.728470][  T203]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[    9.728475][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[    9.728481][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.728484][  T203]  ? netdev_notice (net/core/dev.c:13194)
[    9.728487][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.728490][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.728492][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.728496][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.728498][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    9.728501][  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))
[    9.728504][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    9.728507][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.728509][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.728515][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.728518][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.728521][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.728522][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.728524][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.728526][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.728529][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.728533][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.728535][  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))
[    9.728537][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[    9.728540][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.728542][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.728545][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.728546][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.728548][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.728549][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.728551][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.728553][  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)
[    9.728556][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.728558][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.728559][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.728562][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.728563][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.728567][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.728571][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.728578][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[    9.728581][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.728582][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.728607][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.728609][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.728612][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.728614][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.728616][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.728621][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.728622][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.728624][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.728626][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.728630][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.728632][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.728635][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.728636][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.728641][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.728643][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.728646][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.728649][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.728652][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.728658][  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))
[    9.728660][  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))
[    9.728665][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.728669][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.728672][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.728676][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.728680][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.728681][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.728684][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.728689][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[    9.728691][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[    9.728695][  T203]  __sys_sendto (net/socket.c:2281)
[    9.728698][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[    9.728708][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[    9.728714][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[    9.728716][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.728719][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.728721][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    9.728723][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.728725][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.728728][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.728730][  T203] RIP: 0033:0x7f95821e754e
[    9.728733][  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
[    9.728735][  T203] RSP: 002b:00007ffd5e391240 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.728737][  T203] RAX: ffffffffffffffda RBX: 0000556019f70290 RCX: 00007f95821e754e
[    9.728739][  T203] RDX: 0000000000000030 RSI: 000055601a0d7cb0 RDI: 0000000000000016
[    9.728739][  T203] RBP: 00007ffd5e391250 R08: 00007ffd5e3912a0 R09: 0000000000000080
[    9.728740][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055601a0d2ed0
[    9.728741][  T203] R13: 00007ffd5e391384 R14: 0000000000000000 R15: 0000000000000000
| [   10.787669][  T243] softirqs last disabled at (25847): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.787672][  T243] Preemption disabled at:
| [   10.787672][  T243] 0x0
| [   10.787682][  T243] Tainted: [W]=WARN
[   10.787683][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.787685][  T243] Call Trace:
[   10.787686][  T243]  <TASK>
[   10.787687][  T243]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.787694][  T243]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.787699][  T243]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.787703][  T243]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.787707][  T243]  __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))
[   10.787709][  T243]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.787716][  T243]  ? 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)
[   10.787718][  T243]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.787722][  T243]  put_chars (drivers/char/virtio_console.c:1176)
[   10.787724][  T243]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.787726][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.787729][  T243]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.787735][  T243]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.787742][  T243]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.787745][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.787747][  T243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.787751][  T243]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.787755][  T243]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.787756][  T243]  ? 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))
[   10.787759][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.787761][  T243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.787765][  T243]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.787769][  T243]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.787771][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.787776][  T243]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.787779][  T243]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.787781][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.787783][  T243]  ? 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)
[   10.787786][  T243]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.787788][  T243]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.787791][  T243]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.787794][  T243]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.787797][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.787801][  T243]  _printk (kernel/printk/printk.c:2504)
[   10.787804][  T243]  ? snapshot_read.cold (user.c:?)
[   10.787807][  T243]  ? 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)
[   10.787810][  T243]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.787813][  T243]  ? 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)
[   10.787816][  T243]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.787820][  T243]  ? exit_notify (kernel/exit.c:780)
[   10.787821][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.787824][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.787827][  T243]  do_group_exit (kernel/exit.c:1151)
[   10.787830][  T243]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.787832][  T243]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.787834][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.787838][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.787841][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.787843][  T243] RIP: 0033:0x7f18000ea1b8
[   10.787845][  T243] Code: Unable to access opcode bytes at 0x7f18000ea18e.

Code starting with the faulting instruction
===========================================
[   10.787846][  T243] RSP: 002b:00007ffc0b5f0fd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.787849][  T243] RAX: ffffffffffffffda RBX: 00007f180021af88 RCX: 00007f18000ea1b8
[   10.787850][  T243] RDX: 00007f17ffe34fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.787851][  T243] RBP: 00007ffc0b5f1030 R08: 0000000000000000 R09: 0000000000000050
[   10.787852][  T243] R10: 00007ffc0b5f0df0 R11: 0000000000000246 R12: 0000000000000001
[   10.787853][  T243] R13: 0000000000000000 R14: 00007f1800219680 R15: 00007f180021afa0
| [   11.882890][  T276] softirqs last disabled at (16598): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   11.882891][  T276] Preemption disabled at:
| [   11.882892][  T276] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.882900][  T276] Tainted: [W]=WARN
[   11.882901][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.882903][  T276] Call Trace:
[   11.882904][  T276]  <TASK>
[   11.882906][  T276]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.882912][  T276]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.882913][  T276]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.882918][  T276]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.882922][  T276]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.882926][  T276]  __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))
[   11.882928][  T276]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.882934][  T276]  ? 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)
[   11.882937][  T276]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.882940][  T276]  put_chars (drivers/char/virtio_console.c:1176)
[   11.882943][  T276]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.882945][  T276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.882949][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.882952][  T276]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.882956][  T276]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.882960][  T276]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.882962][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.882963][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.882968][  T276]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.882969][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.882974][  T276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.882978][  T276]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.882981][  T276]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.882983][  T276]  ? 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))
[   11.882986][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.882988][  T276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.882992][  T276]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.882997][  T276]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.882998][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.883004][  T276]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.883006][  T276]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.883008][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.883014][  T276]  ? 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)
[   11.883018][  T276]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.883019][  T276]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.883022][  T276]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.883025][  T276]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.883027][  T276]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.883032][  T276]  _printk (kernel/printk/printk.c:2504)
[   11.883035][  T276]  ? snapshot_read.cold (user.c:?)
[   11.883039][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.883041][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.883045][  T276]  ? 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)
[   11.883048][  T276]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   11.883053][  T276]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   11.883057][  T276]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   11.883061][  T276]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   11.883067][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.883068][  T276]  notifier_call_chain (kernel/notifier.c:85)
[   11.883073][  T276]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   11.883078][  T276]  ? netif_change_name (net/core/dev.c:1517)
[   11.883082][  T276]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.883085][  T276]  ? write_profile (profile.c:?)
[   11.883090][  T276]  netif_change_flags (net/core/dev.c:9882)
[   11.883094][  T276]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   11.883098][  T276]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.883100][  T276]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.883101][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.883103][  T276]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.883106][  T276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.883108][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.883110][  T276]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.883112][  T276]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.883115][  T276]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.883116][  T276]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.883117][  T276]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.883119][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.883121][  T276]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.883124][  T276]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.883128][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.883130][  T276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.883132][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.883134][  T276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.883135][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.883136][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.883138][  T276]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.883141][  T276]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.883143][  T276]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.883145][  T276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.883148][  T276]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.883152][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.883154][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.883159][  T276]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.883164][  T276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.883166][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.883170][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.883172][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.883174][  T276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.883176][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.883180][  T276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.883182][  T276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.883185][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.883186][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.883190][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.883192][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.883196][  T276]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.883197][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.883200][  T276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.883207][  T276]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.883209][  T276]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.883213][  T276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.883217][  T276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.883219][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.883224][  T276]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.883227][  T276]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.883231][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.883233][  T276]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.883238][  T276]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.883241][  T276]  ____sys_sendmsg (net/socket.c:2713)
[   11.883243][  T276]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.883245][  T276]  ? sock_write_iter (net/socket.c:1269)
[   11.883247][  T276]  ? move_addr_to_kernel (net/socket.c:258)
[   11.883254][  T276]  ___sys_sendmsg (net/socket.c:2767)
[   11.883257][  T276]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.883273][  T276]  __sys_sendmsg (net/socket.c:2799)
[   11.883276][  T276]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.883282][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.883285][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.883288][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.883290][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.883292][  T276] RIP: 0033:0x7f40fa37554e
[   11.883296][  T276] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.883298][  T276] RSP: 002b:00007ffef98ce690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.883300][  T276] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f40fa37554e
[   11.883301][  T276] RDX: 0000000000000000 RSI: 00007ffef98ce740 RDI: 0000000000000003
[   11.883302][  T276] RBP: 00007ffef98ce6a0 R08: 0000000000000000 R09: 0000000000000000
[   11.883303][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919ba6
[   11.883304][  T276] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef98cee00
| [   12.937638][  T203] softirqs last disabled at (723176): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.937641][  T203] Preemption disabled at:
| [   12.937641][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.937650][  T203] Tainted: [W]=WARN
[   12.937651][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.937652][  T203] Call Trace:
[   12.937654][  T203]  <TASK>
[   12.937655][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.937661][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.937663][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.937667][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.937671][  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)
[   12.937676][  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))
[   12.937678][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.937684][  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)
[   12.937687][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.937690][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   12.937693][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.937694][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.937697][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.937700][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.937705][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.937708][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.937714][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.937717][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.937721][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.937725][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.937727][  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))
[   12.937730][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.937732][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.937736][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.937740][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.937742][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.937748][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.937750][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.937752][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.937754][  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)
[   12.937758][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.937759][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.937762][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.937765][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.937766][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.937769][  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))
[   12.937774][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   12.937778][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   12.937783][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.937786][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.937789][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   12.937791][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   12.937794][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.937797][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.937798][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.937800][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.937802][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.937805][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   12.937811][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.937814][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   12.937817][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.937820][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.937822][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.937826][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.937828][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.937831][  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))
[   12.937834][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.937837][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.937839][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.937845][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.937848][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.937851][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.937852][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.937854][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.937856][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.937858][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.937862][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.937864][  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))
[   12.937866][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   12.937869][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.937871][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.937874][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.937875][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.937877][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.937878][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.937880][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.937882][  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)
[   12.937885][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.937886][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.937888][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.937891][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.937892][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.937896][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.937899][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.937906][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   12.937910][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.937911][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.937933][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.937935][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.937938][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.937940][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.937942][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.937946][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.937948][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.937950][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.937952][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.937956][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.937958][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.937961][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.937962][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.937967][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.937969][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.937972][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.937975][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.937978][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.937984][  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))
[   12.937986][  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))
[   12.937991][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.937995][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.937998][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.938002][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.938006][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.938008][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.938010][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.938019][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.938022][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   12.938025][  T203]  __sys_sendto (net/socket.c:2281)
[   12.938029][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.938045][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.938047][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.938051][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.938053][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.938056][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.938058][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.938060][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.938062][  T203] RIP: 0033:0x7f95821e754e
[   12.938066][  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
[   12.938068][  T203] RSP: 002b:00007ffd5e391240 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.938070][  T203] RAX: ffffffffffffffda RBX: 0000556019f70290 RCX: 00007f95821e754e
[   12.938071][  T203] RDX: 0000000000000030 RSI: 0000556019f66c00 RDI: 0000000000000016
[   12.938072][  T203] RBP: 00007ffd5e391250 R08: 00007ffd5e3912a0 R09: 0000000000000080
[   12.938073][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055601a0d1160
[   12.938074][  T203] R13: 00007ffd5e391384 R14: 0000000000000000 R15: 0000000000000000
| [   14.051942][  T203] softirqs last disabled at (967056): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.051945][  T203] Preemption disabled at:
| [   14.051946][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.051954][  T203] Tainted: [W]=WARN
[   14.051955][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.051956][  T203] Call Trace:
[   14.051958][  T203]  <TASK>
[   14.051959][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.051965][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.051967][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.051971][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.051975][  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)
[   14.051980][  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))
[   14.051981][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.051988][  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)
[   14.051990][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.051994][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   14.051996][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.051998][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.052001][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.052004][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.052009][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.052013][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.052018][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.052025][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.052030][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.052034][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.052036][  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))
[   14.052039][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.052041][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.052045][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.052049][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.052051][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.052056][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.052059][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.052061][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.052062][  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)
[   14.052066][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.052068][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.052070][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.052074][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.052075][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.052077][  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))
[   14.052082][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   14.052087][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   14.052092][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.052094][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.052098][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   14.052100][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   14.052103][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.052105][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.052107][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.052109][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.052110][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.052114][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   14.052120][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.052123][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   14.052125][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.052128][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.052131][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.052134][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.052136][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.052139][  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))
[   14.052142][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.052145][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.052148][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.052153][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.052156][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.052159][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.052160][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.052162][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.052164][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.052166][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.052170][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.052172][  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))
[   14.052174][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   14.052177][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.052179][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.052181][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.052183][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.052185][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.052186][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.052187][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.052190][  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)
[   14.052193][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.052195][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.052196][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.052199][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.052200][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.052204][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.052207][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.052215][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   14.052218][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.052219][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.052241][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.052243][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.052246][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.052248][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.052250][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.052254][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.052256][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.052258][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.052260][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.052264][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.052265][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.052269][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.052270][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.052274][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.052276][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.052280][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.052283][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.052286][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.052292][  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))
[   14.052294][  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))
[   14.052298][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.052302][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.052306][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.052309][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.052313][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.052315][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.052317][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.052322][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.052325][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   14.052328][  T203]  __sys_sendto (net/socket.c:2281)
[   14.052331][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   14.052342][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   14.052347][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   14.052349][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.052352][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.052354][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   14.052356][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.052358][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.052361][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.052363][  T203] RIP: 0033:0x7f95821e754e
[   14.052367][  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
[   14.052368][  T203] RSP: 002b:00007ffd5e391240 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   14.052371][  T203] RAX: ffffffffffffffda RBX: 0000556019f70290 RCX: 00007f95821e754e
[   14.052372][  T203] RDX: 0000000000000030 RSI: 0000556019fb54e0 RDI: 0000000000000016
[   14.052373][  T203] RBP: 00007ffd5e391250 R08: 00007ffd5e3912a0 R09: 0000000000000080
[   14.052374][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055601a0e5ab0
[   14.052375][  T203] R13: 00007ffd5e391384 R14: 0000000000000000 R15: 0000000000000000
| [   15.074339][  T378] softirqs last disabled at (10190): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   15.074341][  T378] Preemption disabled at:
| [   15.074342][  T378] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.074350][  T378] Tainted: [W]=WARN
[   15.074351][  T378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.074352][  T378] Call Trace:
[   15.074354][  T378]  <TASK>
[   15.074355][  T378]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.074361][  T378]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.074363][  T378]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.074367][  T378]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.074372][  T378]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.074376][  T378]  __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))
[   15.074378][  T378]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.074384][  T378]  ? 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)
[   15.074387][  T378]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.074391][  T378]  put_chars (drivers/char/virtio_console.c:1176)
[   15.074393][  T378]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.074396][  T378]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.074399][  T378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.074401][  T378]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.074405][  T378]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.074409][  T378]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.074411][  T378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.074413][  T378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.074417][  T378]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.074419][  T378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.074423][  T378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.074427][  T378]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.074431][  T378]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.074433][  T378]  ? 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))
[   15.074437][  T378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.074438][  T378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.074442][  T378]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.074447][  T378]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.074449][  T378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.074454][  T378]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.074457][  T378]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.074458][  T378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.074460][  T378]  ? 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)
[   15.074464][  T378]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.074466][  T378]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.074468][  T378]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.074471][  T378]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.074473][  T378]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.074478][  T378]  _printk (kernel/printk/printk.c:2504)
[   15.074482][  T378]  ? snapshot_read.cold (user.c:?)
[   15.074485][  T378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.074487][  T378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.074491][  T378]  ? 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)
[   15.074494][  T378]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   15.074499][  T378]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   15.074504][  T378]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   15.074507][  T378]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   15.074514][  T378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.074515][  T378]  notifier_call_chain (kernel/notifier.c:85)
[   15.074520][  T378]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   15.074525][  T378]  ? netif_change_name (net/core/dev.c:1517)
[   15.074529][  T378]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.074532][  T378]  ? write_profile (profile.c:?)
[   15.074537][  T378]  netif_change_flags (net/core/dev.c:9882)
[   15.074541][  T378]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   15.074545][  T378]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.074547][  T378]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.074548][  T378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.074550][  T378]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.074553][  T378]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.074555][  T378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.074557][  T378]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.074559][  T378]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.074562][  T378]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.074563][  T378]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.074564][  T378]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.074567][  T378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.074568][  T378]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   15.074571][  T378]  ? ___sys_sendmsg (net/socket.c:2758)
[   15.074575][  T378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.074577][  T378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.074580][  T378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.074581][  T378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.074583][  T378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.074584][  T378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.074586][  T378]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.074588][  T378]  ? __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)
[   15.074590][  T378]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.074592][  T378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.074596][  T378]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.074599][  T378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.074601][  T378]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.074609][  T378]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.074614][  T378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.074616][  T378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.074621][  T378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.074623][  T378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.074625][  T378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.074627][  T378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.074630][  T378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.074632][  T378]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.074635][  T378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.074637][  T378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.074641][  T378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.074643][  T378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.074646][  T378]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.074648][  T378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.074651][  T378]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.074658][  T378]  ? 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))
[   15.074660][  T378]  ? 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))
[   15.074664][  T378]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.074668][  T378]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.074671][  T378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.074675][  T378]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.074679][  T378]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.074683][  T378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.074684][  T378]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   15.074689][  T378]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.074692][  T378]  ____sys_sendmsg (net/socket.c:2713)
[   15.074694][  T378]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.074697][  T378]  ? sock_write_iter (net/socket.c:1269)
[   15.074698][  T378]  ? move_addr_to_kernel (net/socket.c:258)
[   15.074706][  T378]  ___sys_sendmsg (net/socket.c:2767)
[   15.074708][  T378]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.074724][  T378]  __sys_sendmsg (net/socket.c:2799)
[   15.074727][  T378]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.074733][  T378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.074736][  T378]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.074739][  T378]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.074742][  T378]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.074744][  T378] RIP: 0033:0x7fd09327254e
[   15.074748][  T378] 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
[   15.074750][  T378] RSP: 002b:00007ffce262f780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.074752][  T378] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd09327254e
[   15.074754][  T378] RDX: 0000000000000000 RSI: 00007ffce262f830 RDI: 0000000000000003
[   15.074755][  T378] RBP: 00007ffce262f790 R08: 0000000000000000 R09: 0000000000000000
[   15.074756][  T378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919ba9
[   15.074756][  T378] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce262fef0
| [   16.152103][  T415] softirqs last disabled at (16206): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   16.152105][  T415] Preemption disabled at:
| [   16.152106][  T415] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.152114][  T415] Tainted: [W]=WARN
[   16.152115][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.152117][  T415] Call Trace:
[   16.152118][  T415]  <TASK>
[   16.152120][  T415]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.152126][  T415]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.152127][  T415]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.152132][  T415]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.152136][  T415]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.152140][  T415]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.152142][  T415]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.152148][  T415]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.152151][  T415]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.152155][  T415]  put_chars (drivers/char/virtio_console.c:1176)
[   16.152157][  T415]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.152160][  T415]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.152162][  T415]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.152165][  T415]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.152169][  T415]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.152173][  T415]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.152175][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.152177][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.152181][  T415]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.152183][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.152187][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.152191][  T415]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.152195][  T415]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.152197][  T415]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.152200][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.152202][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.152206][  T415]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.152210][  T415]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.152212][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.152217][  T415]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.152220][  T415]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.152221][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.152223][  T415]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   16.152227][  T415]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.152229][  T415]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.152231][  T415]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.152235][  T415]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.152237][  T415]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.152241][  T415]  _printk (kernel/printk/printk.c:2504)
[   16.152245][  T415]  ? snapshot_read.cold (user.c:?)
[   16.152248][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.152250][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.152254][  T415]  ? 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)
[   16.152257][  T415]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   16.152262][  T415]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   16.152267][  T415]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   16.152270][  T415]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   16.152276][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.152278][  T415]  notifier_call_chain (kernel/notifier.c:85)
[   16.152283][  T415]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   16.152288][  T415]  ? netif_change_name (net/core/dev.c:1517)
[   16.152291][  T415]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.152295][  T415]  ? write_profile (profile.c:?)
[   16.152300][  T415]  netif_change_flags (net/core/dev.c:9882)
[   16.152304][  T415]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   16.152307][  T415]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.152309][  T415]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.152311][  T415]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.152312][  T415]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.152316][  T415]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.152318][  T415]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.152319][  T415]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.152322][  T415]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.152324][  T415]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.152325][  T415]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.152326][  T415]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.152329][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.152331][  T415]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   16.152333][  T415]  ? ___sys_sendmsg (net/socket.c:2758)
[   16.152337][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.152339][  T415]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.152342][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.152343][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.152345][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.152346][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.152348][  T415]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.152350][  T415]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.152352][  T415]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.152354][  T415]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.152358][  T415]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.152361][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.152363][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.152368][  T415]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.152373][  T415]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.152375][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.152380][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.152382][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.152384][  T415]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.152385][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.152389][  T415]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.152391][  T415]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.152394][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.152395][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.152400][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.152402][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.152405][  T415]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.152407][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.152410][  T415]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.152416][  T415]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.152418][  T415]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.152422][  T415]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.152426][  T415]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.152429][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.152433][  T415]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.152437][  T415]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.152440][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.152442][  T415]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   16.152447][  T415]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.152450][  T415]  ____sys_sendmsg (net/socket.c:2713)
[   16.152452][  T415]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.152455][  T415]  ? sock_write_iter (net/socket.c:1269)
[   16.152456][  T415]  ? move_addr_to_kernel (net/socket.c:258)
[   16.152463][  T415]  ___sys_sendmsg (net/socket.c:2767)
[   16.152466][  T415]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.152482][  T415]  __sys_sendmsg (net/socket.c:2799)
[   16.152485][  T415]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.152491][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.152494][  T415]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.152497][  T415]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.152499][  T415]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.152501][  T415] RIP: 0033:0x7fd1ea41354e
[   16.152505][  T415] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.152507][  T415] RSP: 002b:00007ffdacf21840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.152509][  T415] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd1ea41354e
[   16.152511][  T415] RDX: 0000000000000000 RSI: 00007ffdacf218f0 RDI: 0000000000000003
[   16.152512][  T415] RBP: 00007ffdacf21850 R08: 0000000000000000 R09: 0000000000000000
[   16.152512][  T415] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919baa
[   16.152513][  T415] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdacf21fb0
| [   17.920884][  T425] softirqs last disabled at (348072): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   17.920886][  T425] Preemption disabled at:
| [   17.920887][  T425] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.920895][  T425] Tainted: [W]=WARN
[   17.920896][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.920898][  T425] Call Trace:
[   17.920900][  T425]  <TASK>
[   17.920901][  T425]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.920908][  T425]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.920909][  T425]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.920913][  T425]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.920917][  T425]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.920922][  T425]  __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))
[   17.920924][  T425]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.920930][  T425]  ? 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)
[   17.920933][  T425]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.920937][  T425]  put_chars (drivers/char/virtio_console.c:1176)
[   17.920939][  T425]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.920941][  T425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.920944][  T425]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.920947][  T425]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.920952][  T425]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.920956][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.920961][  T425]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.920964][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.920969][  T425]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.920973][  T425]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.920975][  T425]  ? 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))
[   17.920978][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.920980][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.920983][  T425]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.920988][  T425]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.920990][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.920995][  T425]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.920998][  T425]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.921000][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.921001][  T425]  ? 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)
[   17.921005][  T425]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.921007][  T425]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.921009][  T425]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.921012][  T425]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.921014][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.921016][  T425]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.921021][  T425]  dev_vprintk_emit (drivers/base/core.c:5000)
[   17.921026][  T425]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   17.921031][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.921033][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.921037][  T425]  dev_printk_emit (drivers/base/core.c:5011)
[   17.921039][  T425]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   17.921042][  T425]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.921049][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.921051][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.921053][  T425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.921054][  T425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.921058][  T425]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   17.921064][  T425]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.921067][  T425]  ? netdev_notice (net/core/dev.c:13194)
[   17.921070][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.921072][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.921075][  T425]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.921078][  T425]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.921080][  T425]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   17.921083][  T425]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.921086][  T425]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   17.921089][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.921092][  T425]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   17.921097][  T425]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.921100][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.921103][  T425]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.921104][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.921106][  T425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.921108][  T425]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.921110][  T425]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.921114][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.921116][  T425]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.921118][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   17.921121][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.921123][  T425]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   17.921126][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.921127][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.921129][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.921130][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.921132][  T425]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.921134][  T425]  ? __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)
[   17.921137][  T425]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.921138][  T425]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   17.921140][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.921143][  T425]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.921144][  T425]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.921148][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.921151][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.921158][  T425]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   17.921161][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.921162][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.921184][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.921186][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.921189][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.921191][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.921193][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.921197][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.921199][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.921201][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.921203][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.921207][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.921209][  T425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.921212][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.921213][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.921217][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.921219][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.921222][  T425]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.921226][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.921228][  T425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.921235][  T425]  ? 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))
[   17.921237][  T425]  ? 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))
[   17.921241][  T425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.921245][  T425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.921248][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.921252][  T425]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.921256][  T425]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.921257][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.921260][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.921264][  T425]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.921267][  T425]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   17.921271][  T425]  __sys_sendto (net/socket.c:2281)
[   17.921274][  T425]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   17.921288][  T425]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   17.921290][  T425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.921293][  T425]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.921295][  T425]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   17.921298][  T425]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.921300][  T425]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.921302][  T425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.921304][  T425] RIP: 0033:0x7f95821e754e
[   17.921308][  T425] 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
[   17.921310][  T425] RSP: 002b:00007ffd5e391240 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   17.921312][  T425] RAX: ffffffffffffffda RBX: 000055601a0bcc70 RCX: 00007f95821e754e
[   17.921314][  T425] RDX: 0000000000000030 RSI: 0000556019fb5700 RDI: 000000000000001c
[   17.921315][  T425] RBP: 00007ffd5e391250 R08: 00007ffd5e3912a0 R09: 0000000000000080
[   17.921315][  T425] R10: 0000000000000000 R11: 0000000000000202 R12: 000055601a0c8d00
[   17.921316][  T425] R13: 00007ffd5e391384 R14: 0000000000000000 R15: 0000000000000000
| [   19.127504][  T425] softirqs last disabled at (512020): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   19.127506][  T425] Preemption disabled at:
| [   19.127507][  T425] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.127515][  T425] Tainted: [W]=WARN
[   19.127516][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.127518][  T425] Call Trace:
[   19.127519][  T425]  <TASK>
[   19.127521][  T425]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.127527][  T425]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.127528][  T425]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.127533][  T425]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.127537][  T425]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.127541][  T425]  __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))
[   19.127543][  T425]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.127550][  T425]  ? 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)
[   19.127552][  T425]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.127556][  T425]  put_chars (drivers/char/virtio_console.c:1176)
[   19.127559][  T425]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.127560][  T425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.127563][  T425]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.127566][  T425]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.127571][  T425]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.127575][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.127580][  T425]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.127583][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.127588][  T425]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.127592][  T425]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.127594][  T425]  ? 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))
[   19.127597][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.127598][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.127605][  T425]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.127609][  T425]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.127611][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.127617][  T425]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.127619][  T425]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.127621][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.127623][  T425]  ? 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)
[   19.127626][  T425]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.127628][  T425]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.127631][  T425]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.127634][  T425]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.127635][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.127637][  T425]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   19.127643][  T425]  dev_vprintk_emit (drivers/base/core.c:5000)
[   19.127648][  T425]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   19.127653][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.127655][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.127659][  T425]  dev_printk_emit (drivers/base/core.c:5011)
[   19.127661][  T425]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   19.127664][  T425]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.127667][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.127668][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.127670][  T425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.127672][  T425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.127675][  T425]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   19.127682][  T425]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.127685][  T425]  ? netdev_notice (net/core/dev.c:13194)
[   19.127687][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.127690][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.127693][  T425]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.127696][  T425]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.127698][  T425]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   19.127701][  T425]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   19.127704][  T425]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   19.127707][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.127710][  T425]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.127716][  T425]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.127718][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.127721][  T425]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.127723][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.127724][  T425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.127726][  T425]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.127728][  T425]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.127733][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.127734][  T425]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   19.127736][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   19.127739][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.127741][  T425]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   19.127744][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.127746][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.127747][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.127748][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.127750][  T425]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.127752][  T425]  ? __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)
[   19.127755][  T425]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.127757][  T425]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   19.127759][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.127762][  T425]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.127763][  T425]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.127767][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.127770][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.127777][  T425]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   19.127780][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.127781][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.127804][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.127806][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.127809][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.127811][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.127813][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.127817][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.127819][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.127821][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.127823][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.127826][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.127828][  T425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.127831][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.127833][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.127837][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.127839][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.127842][  T425]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.127845][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.127848][  T425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.127855][  T425]  ? 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))
[   19.127857][  T425]  ? 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))
[   19.127861][  T425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.127865][  T425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.127869][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.127872][  T425]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.127876][  T425]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.127878][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.127880][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.127885][  T425]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   19.127888][  T425]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   19.127892][  T425]  __sys_sendto (net/socket.c:2281)
[   19.127895][  T425]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   19.127906][  T425]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   19.127911][  T425]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   19.127913][  T425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.127917][  T425]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.127918][  T425]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   19.127920][  T425]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.127922][  T425]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.127925][  T425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.127927][  T425] RIP: 0033:0x7f95821e754e
[   19.127931][  T425] 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
[   19.127932][  T425] RSP: 002b:00007ffd5e391240 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   19.127935][  T425] RAX: ffffffffffffffda RBX: 000055601a0bcc70 RCX: 00007f95821e754e
[   19.127936][  T425] RDX: 0000000000000030 RSI: 0000556019f54520 RDI: 000000000000001c
[   19.127937][  T425] RBP: 00007ffd5e391250 R08: 00007ffd5e3912a0 R09: 0000000000000080
[   19.127938][  T425] R10: 0000000000000000 R11: 0000000000000202 R12: 000055601a0dfbc0
[   19.127938][  T425] R13: 00007ffd5e391384 R14: 0000000000000000 R15: 0000000000000000
| [   20.228269][  T425] softirqs last disabled at (710098): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   20.228271][  T425] Preemption disabled at:
| [   20.228272][  T425] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.228280][  T425] Tainted: [W]=WARN
[   20.228281][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.228282][  T425] Call Trace:
[   20.228284][  T425]  <TASK>
[   20.228285][  T425]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.228291][  T425]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.228293][  T425]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.228297][  T425]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.228301][  T425]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.228306][  T425]  __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))
[   20.228308][  T425]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.228314][  T425]  ? 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)
[   20.228317][  T425]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.228321][  T425]  put_chars (drivers/char/virtio_console.c:1176)
[   20.228323][  T425]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.228324][  T425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.228328][  T425]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.228331][  T425]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.228336][  T425]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.228340][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.228345][  T425]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.228348][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.228352][  T425]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.228356][  T425]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.228358][  T425]  ? 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))
[   20.228361][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.228363][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.228367][  T425]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.228371][  T425]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.228373][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.228378][  T425]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.228381][  T425]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.228383][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.228385][  T425]  ? 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)
[   20.228388][  T425]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.228390][  T425]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.228393][  T425]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.228396][  T425]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.228397][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.228399][  T425]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.228404][  T425]  dev_vprintk_emit (drivers/base/core.c:5000)
[   20.228409][  T425]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   20.228414][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.228416][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.228422][  T425]  dev_printk_emit (drivers/base/core.c:5011)
[   20.228425][  T425]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   20.228428][  T425]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.228430][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.228431][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.228433][  T425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.228435][  T425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.228439][  T425]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   20.228445][  T425]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.228448][  T425]  ? netdev_notice (net/core/dev.c:13194)
[   20.228451][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.228454][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.228456][  T425]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.228460][  T425]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.228462][  T425]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   20.228465][  T425]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.228468][  T425]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   20.228471][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.228473][  T425]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   20.228479][  T425]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.228482][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.228485][  T425]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.228486][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.228488][  T425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.228490][  T425]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.228492][  T425]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.228496][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.228498][  T425]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.228500][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   20.228503][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.228505][  T425]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   20.228508][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.228509][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.228511][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.228512][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.228514][  T425]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.228516][  T425]  ? __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)
[   20.228519][  T425]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.228521][  T425]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   20.228522][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.228525][  T425]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.228526][  T425]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.228530][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.228534][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.228541][  T425]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   20.228544][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.228545][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.228568][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.228570][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.228573][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.228575][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.228577][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.228581][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.228583][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.228585][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.228587][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.228591][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.228593][  T425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.228596][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.228597][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.228602][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.228603][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.228607][  T425]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.228610][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.228613][  T425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.228619][  T425]  ? 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))
[   20.228621][  T425]  ? 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))
[   20.228626][  T425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.228630][  T425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.228634][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.228637][  T425]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.228641][  T425]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.228643][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.228645][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.228650][  T425]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.228653][  T425]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   20.228657][  T425]  __sys_sendto (net/socket.c:2281)
[   20.228660][  T425]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   20.228671][  T425]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   20.228676][  T425]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   20.228678][  T425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.228682][  T425]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.228683][  T425]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   20.228686][  T425]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.228688][  T425]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.228690][  T425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.228692][  T425] RIP: 0033:0x7f95821e754e
[   20.228696][  T425] 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
[   20.228698][  T425] RSP: 002b:00007ffd5e391240 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   20.228700][  T425] RAX: ffffffffffffffda RBX: 000055601a0bcc70 RCX: 00007f95821e754e
[   20.228701][  T425] RDX: 0000000000000030 RSI: 0000556019fb5700 RDI: 000000000000001c
[   20.228702][  T425] RBP: 00007ffd5e391250 R08: 00007ffd5e3912a0 R09: 0000000000000080
[   20.228703][  T425] R10: 0000000000000000 R11: 0000000000000202 R12: 000055601a0c4fc0
[   20.228704][  T425] R13: 00007ffd5e391384 R14: 0000000000000000 R15: 0000000000000000
| [   21.235651][  T571] softirqs last disabled at (13470): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   21.235653][  T571] Preemption disabled at:
| [   21.235653][  T571] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.235662][  T571] Tainted: [W]=WARN
[   21.235662][  T571] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.235664][  T571] Call Trace:
[   21.235666][  T571]  <TASK>
[   21.235667][  T571]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.235673][  T571]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.235675][  T571]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.235679][  T571]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.235683][  T571]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.235687][  T571]  __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))
[   21.235689][  T571]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.235696][  T571]  ? 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)
[   21.235699][  T571]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.235702][  T571]  put_chars (drivers/char/virtio_console.c:1176)
[   21.235705][  T571]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.235707][  T571]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.235710][  T571]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.235713][  T571]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.235717][  T571]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.235721][  T571]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.235723][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.235725][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.235729][  T571]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.235731][  T571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.235735][  T571]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.235739][  T571]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.235743][  T571]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.235745][  T571]  ? 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))
[   21.235748][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.235750][  T571]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.235754][  T571]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.235758][  T571]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.235760][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.235765][  T571]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.235768][  T571]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.235769][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.235771][  T571]  ? 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)
[   21.235775][  T571]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.235776][  T571]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.235779][  T571]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.235782][  T571]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.235784][  T571]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.235789][  T571]  _printk (kernel/printk/printk.c:2504)
[   21.235792][  T571]  ? snapshot_read.cold (user.c:?)
[   21.235796][  T571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.235797][  T571]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.235801][  T571]  ? 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)
[   21.235804][  T571]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   21.235809][  T571]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   21.235814][  T571]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   21.235817][  T571]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   21.235823][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.235825][  T571]  notifier_call_chain (kernel/notifier.c:85)
[   21.235830][  T571]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   21.235835][  T571]  ? netif_change_name (net/core/dev.c:1517)
[   21.235838][  T571]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.235842][  T571]  ? write_profile (profile.c:?)
[   21.235847][  T571]  netif_change_flags (net/core/dev.c:9882)
[   21.235850][  T571]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   21.235854][  T571]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.235856][  T571]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.235857][  T571]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.235859][  T571]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.235862][  T571]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.235864][  T571]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.235866][  T571]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.235868][  T571]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.235871][  T571]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.235872][  T571]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.235873][  T571]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   21.235875][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.235877][  T571]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   21.235880][  T571]  ? ___sys_sendmsg (net/socket.c:2758)
[   21.235883][  T571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.235885][  T571]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.235888][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.235889][  T571]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.235891][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.235892][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.235894][  T571]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.235896][  T571]  ? __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)
[   21.235898][  T571]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.235900][  T571]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.235903][  T571]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.235907][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.235909][  T571]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.235914][  T571]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.235919][  T571]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.235921][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.235925][  T571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.235927][  T571]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.235929][  T571]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.235931][  T571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.235935][  T571]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.235937][  T571]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.235940][  T571]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.235941][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.235945][  T571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.235947][  T571]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.235950][  T571]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.235952][  T571]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.235955][  T571]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.235961][  T571]  ? 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))
[   21.235963][  T571]  ? 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))
[   21.235968][  T571]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.235972][  T571]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.235974][  T571]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.235978][  T571]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.235982][  T571]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.235986][  T571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.235988][  T571]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   21.235993][  T571]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.235995][  T571]  ____sys_sendmsg (net/socket.c:2713)
[   21.235998][  T571]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.236000][  T571]  ? sock_write_iter (net/socket.c:1269)
[   21.236002][  T571]  ? move_addr_to_kernel (net/socket.c:258)
[   21.236009][  T571]  ___sys_sendmsg (net/socket.c:2767)
[   21.236012][  T571]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.236027][  T571]  __sys_sendmsg (net/socket.c:2799)
[   21.236030][  T571]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.236036][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.236039][  T571]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.236042][  T571]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.236045][  T571]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.236047][  T571] RIP: 0033:0x7f81eb30454e
[   21.236050][  T571] 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
[   21.236052][  T571] RSP: 002b:00007ffc8359a400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.236054][  T571] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f81eb30454e
[   21.236056][  T571] RDX: 0000000000000000 RSI: 00007ffc8359a4b0 RDI: 0000000000000003
[   21.236057][  T571] RBP: 00007ffc8359a410 R08: 0000000000000000 R09: 0000000000000000
[   21.236057][  T571] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919baf
[   21.236058][  T571] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8359ab70
| [   21.995728][    C0]
| [   21.995728][    C0]
| [   21.995728][    C0] stack backtrace:
| [   21.995734][    C0] Tainted: [W]=WARN
[   21.995734][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.995736][    C0] Call Trace:
[   21.995737][    C0]  <IRQ>
[   21.995738][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.995743][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   21.995745][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   21.995747][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   21.995750][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   21.995752][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   21.995753][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   21.995756][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.995757][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   21.995759][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.995761][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.995763][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   21.995765][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   21.995767][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   21.995769][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.995771][    C0]  ? 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))
[   21.995773][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.995774][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.995776][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.995778][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.995780][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.995782][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.995784][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.995785][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.995787][    C0]  ? 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)
[   21.995788][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.995790][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.995792][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.995793][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.995795][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   21.995797][    C0]  _printk (kernel/printk/printk.c:2504)
[   21.995798][    C0]  ? snapshot_read.cold (user.c:?)
[   21.995800][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   21.995802][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.995804][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   21.995805][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   21.995807][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   21.995809][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   21.995811][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   21.995812][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   21.995816][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.995817][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.995819][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.995821][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   21.995822][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   21.995825][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   21.995826][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.995829][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.995832][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   21.995834][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   21.995836][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.995838][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.995840][    C0]  handle_softirqs (kernel/softirq.c:645)
[   21.995841][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.995843][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   21.995845][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   21.995847][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   21.995848][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   21.995850][    C0]  </IRQ>
[   21.995850][    C0]  <TASK>
[   21.995851][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   21.995853][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   21.995854][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   21.995857][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   21.995858][    C0] RSP: 0018:ffffffffb5a07cf8 EFLAGS: 00000296
[   21.995860][    C0] RAX: 000000000015f793 RBX: ffffffffb5a30600 RCX: ffffffffb2106247
[   21.995862][    C0] RDX: ffffffffb5a30600 RSI: ffffffffb5311011 RDI: ffffffffb4c949e0
[   21.995862][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   21.995863][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6b40fa2
[   21.995864][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   21.995865][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   21.995868][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.995869][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   21.995870][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   21.995872][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   21.995873][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   21.995875][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   21.995878][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.995879][    C0]  do_idle (kernel/sched/idle.c:355)
[   21.995881][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   21.995882][    C0]  rest_init (init/main.c:727)
[   21.995884][    C0]  ? __cpuidle_text_end (??:?)
[   21.995886][    C0]  ? rest_init (init/main.c:727)
[   21.995888][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   21.995891][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   21.995893][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   21.995895][    C0]  start_kernel (init/main.c:1185)
[   21.995897][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   21.995899][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   21.995900][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   22.600654][  T425] softirqs last disabled at (1065268): unix_release_sock (./include/net/sock.h:2138 net/unix/af_unix.c:678)
| [   22.600656][  T425] Preemption disabled at:
| [   22.600656][  T425] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.600667][  T425] Tainted: [W]=WARN
[   22.600668][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.600670][  T425] Call Trace:
[   22.600671][  T425]  <TASK>
[   22.600672][  T425]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.600678][  T425]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.600679][  T425]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.600682][  T425]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   22.600685][  T425]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.600688][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600690][  T425]  __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))
[   22.600693][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   22.600696][  T425]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.600701][  T425]  ? 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)
[   22.600703][  T425]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.600705][  T425]  put_chars (drivers/char/virtio_console.c:1176)
[   22.600706][  T425]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.600708][  T425]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   22.600711][  T425]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.600715][  T425]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.600717][  T425]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   22.600719][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   22.600720][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600721][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600723][  T425]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.600726][  T425]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.600728][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600729][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600729][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600730][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.600733][  T425]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   22.600735][  T425]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.600737][  T425]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.600740][  T425]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.600741][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.600743][  T425]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.600744][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600745][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   22.600747][  T425]  ? 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)
[   22.600748][  T425]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   22.600749][  T425]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.600751][  T425]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.600753][  T425]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.600754][  T425]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.600755][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600757][  T425]  dev_vprintk_emit (drivers/base/core.c:5000)
[   22.600761][  T425]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   22.600763][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600765][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600766][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.600767][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600768][  T425]  dev_printk_emit (drivers/base/core.c:5011)
[   22.600770][  T425]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   22.600772][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   22.600773][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600774][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.600776][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600777][  T425]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   22.600781][  T425]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.600783][  T425]  ? netdev_notice (net/core/dev.c:13194)
[   22.600785][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600786][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600787][  T425]  ? 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)
[   22.600789][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   22.600790][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600791][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600792][  T425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.600795][  T425]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   22.600796][  T425]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   22.600798][  T425]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.600801][  T425]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.600803][  T425]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.600806][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.600808][  T425]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.600811][  T425]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.600814][  T425]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.600815][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.600816][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600817][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   22.600819][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   22.600821][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   22.600822][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600823][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.600826][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.600827][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600828][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   22.600830][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600831][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.600832][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600833][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   22.600835][  T425]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   22.600837][  T425]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.600839][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600840][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.600841][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600842][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600843][  T425]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.600844][  T425]  ? __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)
[   22.600845][  T425]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.600846][  T425]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   22.600847][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   22.600849][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.600850][  T425]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.600851][  T425]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.600855][  T425]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   22.600857][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600858][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600860][  T425]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   22.600862][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600863][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   22.600864][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   22.600870][  T425]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   22.600872][  T425]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.600873][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600874][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600875][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.600876][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600877][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   22.600879][  T425]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[   22.600880][  T425]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[   22.600883][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.600885][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600886][  T425]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   22.600889][  T425]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   22.600890][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600891][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.600892][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600893][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   22.600895][  T425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.600896][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600897][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.600898][  T425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.600900][  T425]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   22.600901][  T425]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   22.600902][  T425]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   22.600904][  T425]  ? irqentry_enter (./include/linux/irq-entry-common.h:439 kernel/entry/common.c:120)
[   22.600905][  T425]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   22.600907][  T425]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.600910][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.600911][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   22.600913][  T425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.600914][  T425]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   22.600917][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600918][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   22.600920][  T425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.600922][  T425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.600924][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600925][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600926][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   22.600927][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   22.600929][  T425]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.600931][  T425]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.600933][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.600934][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600936][  T425]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.600938][  T425]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   22.600941][  T425]  __sys_sendto (net/socket.c:2281)
[   22.600943][  T425]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   22.600947][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.600948][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   22.600950][  T425]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   22.600952][  T425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.600953][  T425]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   22.600954][  T425]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   22.600956][  T425]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.600958][  T425]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.600959][  T425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.600961][  T425] RIP: 0033:0x7f95821e754e
[   22.600963][  T425] 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
[   22.600965][  T425] RSP: 002b:00007ffd5e391240 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   22.600968][  T425] RAX: ffffffffffffffda RBX: 000055601a0bcc70 RCX: 00007f95821e754e
[   22.600970][  T425] RDX: 0000000000000030 RSI: 0000556019f54520 RDI: 000000000000001c
[   22.600970][  T425] RBP: 00007ffd5e391250 R08: 00007ffd5e3912a0 R09: 0000000000000080
[   22.600971][  T425] R10: 0000000000000000 R11: 0000000000000202 R12: 000055601a126a50
[   22.600972][  T425] R13: 00007ffd5e391384 R14: 0000000000000000 R15: 0000000000000000
| [   23.765273][  T425] softirqs last disabled at (1065268): unix_release_sock (./include/net/sock.h:2138 net/unix/af_unix.c:678)
| [   23.765275][  T425] Preemption disabled at:
| [   23.765275][  T425] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.765286][  T425] Tainted: [W]=WARN
[   23.765287][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.765289][  T425] Call Trace:
[   23.765290][  T425]  <TASK>
[   23.765291][  T425]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.765297][  T425]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.765299][  T425]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.765302][  T425]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   23.765305][  T425]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.765308][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765310][  T425]  __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))
[   23.765313][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.765316][  T425]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.765321][  T425]  ? 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)
[   23.765323][  T425]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.765325][  T425]  put_chars (drivers/char/virtio_console.c:1176)
[   23.765327][  T425]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.765329][  T425]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   23.765331][  T425]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.765336][  T425]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.765338][  T425]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   23.765340][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.765342][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765343][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765344][  T425]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.765347][  T425]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.765349][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765350][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765351][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765352][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.765354][  T425]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   23.765356][  T425]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.765358][  T425]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.765361][  T425]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.765363][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.765364][  T425]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.765366][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765367][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.765368][  T425]  ? 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)
[   23.765370][  T425]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   23.765371][  T425]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.765373][  T425]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.765374][  T425]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.765376][  T425]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.765377][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765379][  T425]  dev_vprintk_emit (drivers/base/core.c:5000)
[   23.765384][  T425]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   23.765385][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765387][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765388][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.765389][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765391][  T425]  dev_printk_emit (drivers/base/core.c:5011)
[   23.765393][  T425]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   23.765395][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.765396][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765397][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.765399][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765400][  T425]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   23.765404][  T425]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.765406][  T425]  ? netdev_notice (net/core/dev.c:13194)
[   23.765408][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765409][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765410][  T425]  ? 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)
[   23.765412][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.765414][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765415][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765416][  T425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.765418][  T425]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   23.765420][  T425]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   23.765421][  T425]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.765424][  T425]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   23.765426][  T425]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   23.765430][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.765431][  T425]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.765435][  T425]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.765437][  T425]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.765438][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.765440][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765441][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.765443][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   23.765445][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   23.765446][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765447][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   23.765450][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.765451][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765452][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.765454][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765455][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.765456][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765457][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.765459][  T425]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   23.765462][  T425]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.765464][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765465][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.765466][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765467][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765468][  T425]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.765470][  T425]  ? __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)
[   23.765471][  T425]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.765472][  T425]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   23.765473][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   23.765475][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   23.765476][  T425]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.765477][  T425]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.765481][  T425]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   23.765483][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765484][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765487][  T425]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   23.765488][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765489][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   23.765491][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.765497][  T425]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   23.765498][  T425]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.765499][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765500][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765501][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.765503][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765504][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.765505][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   23.765507][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   23.765508][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   23.765509][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765510][  T425]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   23.765513][  T425]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   23.765514][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765515][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.765517][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765518][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   23.765519][  T425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.765521][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.765522][  T425]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   23.765525][  T425]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   23.765528][  T425]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.765531][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.765532][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.765534][  T425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.765535][  T425]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   23.765538][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765539][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.765541][  T425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.765543][  T425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.765545][  T425]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.765548][  T425]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.765549][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.765551][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.765552][  T425]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.765555][  T425]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   23.765558][  T425]  __sys_sendto (net/socket.c:2281)
[   23.765560][  T425]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   23.765565][  T425]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   23.765566][  T425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.765568][  T425]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   23.765569][  T425]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   23.765571][  T425]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.765573][  T425]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.765575][  T425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.765576][  T425] RIP: 0033:0x7f95821e754e
[   23.765580][  T425] 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
[   23.765581][  T425] RSP: 002b:00007ffd5e391240 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   23.765585][  T425] RAX: ffffffffffffffda RBX: 000055601a0bcc70 RCX: 00007f95821e754e
[   23.765586][  T425] RDX: 0000000000000030 RSI: 0000556019fb5720 RDI: 000000000000001c
[   23.765587][  T425] RBP: 00007ffd5e391250 R08: 00007ffd5e3912a0 R09: 0000000000000080
[   23.765588][  T425] R10: 0000000000000000 R11: 0000000000000202 R12: 000055601a0f8520
[   23.765589][  T425] R13: 00007ffd5e391384 R14: 0000000000000000 R15: 0000000000000000
| [   24.795394][  T714] softirqs last disabled at (0): 0x0
| [   24.795395][  T714] Preemption disabled at:
| [   24.795396][  T714] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.795406][  T714] Tainted: [W]=WARN
[   24.795407][  T714] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.795408][  T714] Call Trace:
[   24.795410][  T714]  <TASK>
[   24.795411][  T714]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.795416][  T714]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.795418][  T714]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.795421][  T714]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.795424][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795427][  T714]  __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))
[   24.795430][  T714]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.795433][  T714]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.795437][  T714]  ? 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)
[   24.795439][  T714]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.795442][  T714]  put_chars (drivers/char/virtio_console.c:1176)
[   24.795443][  T714]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.795445][  T714]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   24.795447][  T714]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.795452][  T714]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.795454][  T714]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.795455][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795457][  T714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.795459][  T714]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.795462][  T714]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.795464][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795465][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795465][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795466][  T714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.795468][  T714]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   24.795470][  T714]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.795472][  T714]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.795475][  T714]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.795477][  T714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.795478][  T714]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.795480][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795481][  T714]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   24.795482][  T714]  ? 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)
[   24.795484][  T714]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   24.795485][  T714]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.795487][  T714]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.795488][  T714]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.795490][  T714]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.795491][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795492][  T714]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.795495][  T714]  ? 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)
[   24.795497][  T714]  _printk (kernel/printk/printk.c:2504)
[   24.795500][  T714]  ? snapshot_read.cold (user.c:?)
[   24.795502][  T714]  ? do_one_broadcast (net/netlink/af_netlink.c:1500)
[   24.795506][  T714]  ? inet6_fill_ifinfo (net/ipv6/addrconf.c:6135)
[   24.795508][  T714]  ? 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)
[   24.795511][  T714]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   24.795514][  T714]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   24.795517][  T714]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   24.795519][  T714]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   24.795522][  T714]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   24.795525][  T714]  ? addrconf_notify (net/ipv6/addrconf.c:3796)
[   24.795527][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795528][  T714]  notifier_call_chain (kernel/notifier.c:85)
[   24.795530][  T714]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   24.795533][  T714]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.795535][  T714]  ? netif_change_name (net/core/dev.c:1517)
[   24.795537][  T714]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.795539][  T714]  ? write_profile (profile.c:?)
[   24.795542][  T714]  netif_change_flags (net/core/dev.c:9882)
[   24.795544][  T714]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   24.795547][  T714]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.795549][  T714]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.795550][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795551][  T714]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   24.795554][  T714]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.795557][  T714]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.795558][  T714]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.795559][  T714]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.795560][  T714]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   24.795561][  T714]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   24.795562][  T714]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.795563][  T714]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.795565][  T714]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.795566][  T714]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.795567][  T714]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.795570][  T714]  ? ____sys_sendmsg (net/socket.c:2713)
[   24.795571][  T714]  ? ___sys_sendmsg (net/socket.c:2767)
[   24.795572][  T714]  ? __sys_sendmsg (net/socket.c:2799)
[   24.795574][  T714]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.795577][  T714]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.795580][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795581][  T714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.795582][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795583][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795584][  T714]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.795586][  T714]  ? __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)
[   24.795587][  T714]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.795589][  T714]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.795590][  T714]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.795592][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795593][  T714]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.795595][  T714]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.795597][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795598][  T714]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.795599][  T714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.795600][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795602][  T714]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   24.795606][  T714]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   24.795608][  T714]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.795610][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795611][  T714]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   24.795614][  T714]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   24.795617][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795618][  T714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.795619][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795620][  T714]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.795621][  T714]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.795623][  T714]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.795624][  T714]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   24.795626][  T714]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   24.795628][  T714]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.795630][  T714]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.795631][  T714]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   24.795633][  T714]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.795634][  T714]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   24.795637][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795638][  T714]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   24.795640][  T714]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.795642][  T714]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.795643][  T714]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.795645][  T714]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.795647][  T714]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.795649][  T714]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.795650][  T714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.795652][  T714]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   24.795655][  T714]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.795657][  T714]  ____sys_sendmsg (net/socket.c:2713)
[   24.795658][  T714]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.795660][  T714]  ? sock_write_iter (net/socket.c:1269)
[   24.795661][  T714]  ? move_addr_to_kernel (net/socket.c:258)
[   24.795663][  T714]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   24.795665][  T714]  ___sys_sendmsg (net/socket.c:2767)
[   24.795667][  T714]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.795671][  T714]  __sys_sendmsg (net/socket.c:2799)
[   24.795673][  T714]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.795676][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.795677][  T714]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.795679][  T714]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.795681][  T714]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.795682][  T714] RIP: 0033:0x7f05d659954e
[   24.795684][  T714] 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
[   24.795686][  T714] RSP: 002b:00007fff29aa4020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.795689][  T714] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f05d659954e
[   24.795691][  T714] RDX: 0000000000000000 RSI: 00007fff29aa40d0 RDI: 0000000000000003
[   24.795692][  T714] RBP: 00007fff29aa4030 R08: 0000000000000000 R09: 0000000000000000
[   24.795692][  T714] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919bb3
[   24.795693][  T714] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff29aa4790
| [   26.046763][  T425] softirqs last disabled at (1065268): unix_release_sock (./include/net/sock.h:2138 net/unix/af_unix.c:678)
| [   26.046765][  T425] Preemption disabled at:
| [   26.046765][  T425] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.046776][  T425] Tainted: [W]=WARN
[   26.046777][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.046779][  T425] Call Trace:
[   26.046780][  T425]  <TASK>
[   26.046782][  T425]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.046787][  T425]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.046789][  T425]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.046792][  T425]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   26.046794][  T425]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.046797][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046799][  T425]  __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))
[   26.046802][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.046805][  T425]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.046810][  T425]  ? 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)
[   26.046812][  T425]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.046814][  T425]  put_chars (drivers/char/virtio_console.c:1176)
[   26.046816][  T425]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.046817][  T425]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.046820][  T425]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.046824][  T425]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.046826][  T425]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   26.046828][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.046830][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046830][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046832][  T425]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.046835][  T425]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.046837][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046838][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046839][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046840][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.046842][  T425]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.046844][  T425]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.046846][  T425]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.046849][  T425]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.046850][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.046852][  T425]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.046853][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046854][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.046856][  T425]  ? 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)
[   26.046857][  T425]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   26.046859][  T425]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.046861][  T425]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.046862][  T425]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.046864][  T425]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.046865][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046867][  T425]  dev_vprintk_emit (drivers/base/core.c:5000)
[   26.046871][  T425]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   26.046873][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046874][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046875][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.046877][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046878][  T425]  dev_printk_emit (drivers/base/core.c:5011)
[   26.046880][  T425]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   26.046882][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.046883][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046884][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.046886][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046887][  T425]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   26.046891][  T425]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.046894][  T425]  ? netdev_notice (net/core/dev.c:13194)
[   26.046895][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046896][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046897][  T425]  ? 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)
[   26.046899][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.046901][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046901][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046902][  T425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.046905][  T425]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   26.046907][  T425]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   26.046908][  T425]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.046911][  T425]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   26.046913][  T425]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   26.046916][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.046918][  T425]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   26.046922][  T425]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.046924][  T425]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.046925][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.046927][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046928][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.046929][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   26.046932][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   26.046933][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046934][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   26.046936][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.046938][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046939][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.046940][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046941][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.046943][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046944][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.046945][  T425]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   26.046948][  T425]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.046950][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046951][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.046952][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046953][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046954][  T425]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.046955][  T425]  ? __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)
[   26.046956][  T425]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.046958][  T425]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   26.046959][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   26.046960][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   26.046961][  T425]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.046962][  T425]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.046966][  T425]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   26.046968][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046969][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046971][  T425]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   26.046973][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046974][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.046976][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.046981][  T425]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   26.046983][  T425]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.046984][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046985][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046986][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.046987][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046988][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.046990][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   26.046991][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   26.046992][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   26.046994][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.046995][  T425]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   26.046998][  T425]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   26.046999][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.047000][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.047001][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.047002][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.047003][  T425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.047005][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.047006][  T425]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   26.047009][  T425]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   26.047012][  T425]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.047015][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.047016][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.047018][  T425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.047019][  T425]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   26.047022][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.047023][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.047025][  T425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.047027][  T425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.047029][  T425]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   26.047031][  T425]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   26.047033][  T425]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.047035][  T425]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.047037][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.047039][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.047040][  T425]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.047043][  T425]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   26.047046][  T425]  __sys_sendto (net/socket.c:2281)
[   26.047048][  T425]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   26.047052][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.047053][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.047055][  T425]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   26.047056][  T425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.047058][  T425]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   26.047059][  T425]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   26.047061][  T425]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.047063][  T425]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.047065][  T425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.047066][  T425] RIP: 0033:0x7f95821e754e
[   26.047069][  T425] 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
[   26.047071][  T425] RSP: 002b:00007ffd5e391240 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   26.047074][  T425] RAX: ffffffffffffffda RBX: 000055601a0bcc70 RCX: 00007f95821e754e
[   26.047076][  T425] RDX: 0000000000000030 RSI: 0000556019f56170 RDI: 000000000000001c
[   26.047077][  T425] RBP: 00007ffd5e391250 R08: 00007ffd5e3912a0 R09: 0000000000000080
[   26.047077][  T425] R10: 0000000000000000 R11: 0000000000000202 R12: 000055601a0fb9b0
[   26.047078][  T425] R13: 00007ffd5e391384 R14: 0000000000000000 R15: 0000000000000000
| [   27.257089][  T425] softirqs last disabled at (1065268): unix_release_sock (./include/net/sock.h:2138 net/unix/af_unix.c:678)
| [   27.257091][  T425] Preemption disabled at:
| [   27.257091][  T425] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.257107][  T425] Tainted: [W]=WARN
[   27.257109][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.257110][  T425] Call Trace:
[   27.257111][  T425]  <TASK>
[   27.257112][  T425]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.257118][  T425]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.257119][  T425]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.257122][  T425]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   27.257125][  T425]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.257128][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257130][  T425]  __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))
[   27.257133][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.257135][  T425]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.257140][  T425]  ? 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)
[   27.257141][  T425]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.257144][  T425]  put_chars (drivers/char/virtio_console.c:1176)
[   27.257145][  T425]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.257147][  T425]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.257150][  T425]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.257154][  T425]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.257156][  T425]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   27.257158][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.257160][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257161][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257162][  T425]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.257165][  T425]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.257167][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257168][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257169][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257170][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.257172][  T425]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.257174][  T425]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.257176][  T425]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.257179][  T425]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.257180][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.257182][  T425]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.257184][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257185][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.257186][  T425]  ? 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)
[   27.257188][  T425]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   27.257189][  T425]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.257191][  T425]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.257192][  T425]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.257194][  T425]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.257195][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257197][  T425]  dev_vprintk_emit (drivers/base/core.c:5000)
[   27.257201][  T425]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   27.257203][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257204][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257205][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.257207][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257208][  T425]  dev_printk_emit (drivers/base/core.c:5011)
[   27.257210][  T425]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   27.257212][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.257213][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257214][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.257216][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257217][  T425]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   27.257221][  T425]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.257224][  T425]  ? netdev_notice (net/core/dev.c:13194)
[   27.257225][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257226][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257227][  T425]  ? 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)
[   27.257229][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.257231][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257232][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257233][  T425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.257235][  T425]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   27.257237][  T425]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   27.257238][  T425]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.257241][  T425]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.257243][  T425]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.257247][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.257248][  T425]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.257252][  T425]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.257254][  T425]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.257255][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.257257][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257258][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.257260][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   27.257262][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   27.257263][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257264][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   27.257266][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.257268][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257269][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.257270][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257271][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.257273][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257274][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.257275][  T425]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   27.257278][  T425]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.257280][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257281][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.257282][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257283][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257284][  T425]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.257285][  T425]  ? __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)
[   27.257287][  T425]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.257288][  T425]  ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687)
[   27.257290][  T425]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   27.257292][  T425]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.257293][  T425]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.257296][  T425]  ? update_load_avg (kernel/sched/fair.c:5864)
[   27.257298][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257299][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257300][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257302][  T425]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   27.257304][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257305][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.257306][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.257312][  T425]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   27.257313][  T425]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.257315][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257316][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257317][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.257318][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257319][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.257321][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   27.257322][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   27.257323][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   27.257325][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257326][  T425]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   27.257329][  T425]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   27.257331][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257332][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.257334][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257335][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.257336][  T425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.257338][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.257339][  T425]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   27.257342][  T425]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   27.257344][  T425]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.257347][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.257348][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.257350][  T425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.257351][  T425]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   27.257354][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257355][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.257357][  T425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.257359][  T425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.257362][  T425]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.257364][  T425]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.257365][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.257367][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.257368][  T425]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.257371][  T425]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   27.257374][  T425]  __sys_sendto (net/socket.c:2281)
[   27.257376][  T425]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.257380][  T425]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.257382][  T425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.257383][  T425]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   27.257385][  T425]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   27.257386][  T425]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.257388][  T425]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.257390][  T425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.257391][  T425] RIP: 0033:0x7f95821e754e
[   27.257395][  T425] 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
[   27.257396][  T425] RSP: 002b:00007ffd5e391240 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.257400][  T425] RAX: ffffffffffffffda RBX: 000055601a0bcc70 RCX: 00007f95821e754e
[   27.257401][  T425] RDX: 0000000000000030 RSI: 0000556019f56060 RDI: 000000000000001c
[   27.257402][  T425] RBP: 00007ffd5e391250 R08: 00007ffd5e3912a0 R09: 0000000000000080
[   27.257403][  T425] R10: 0000000000000000 R11: 0000000000000202 R12: 000055601a1077e0
[   27.257404][  T425] R13: 00007ffd5e391384 R14: 0000000000000000 R15: 0000000000000000
| [   28.323709][  T865] softirqs last disabled at (0): 0x0
| [   28.323711][  T865] Preemption disabled at:
| [   28.323711][  T865] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.323721][  T865] Tainted: [W]=WARN
[   28.323722][  T865] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.323724][  T865] Call Trace:
[   28.323726][  T865]  <TASK>
[   28.323727][  T865]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.323732][  T865]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.323733][  T865]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.323737][  T865]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.323740][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323743][  T865]  __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))
[   28.323746][  T865]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.323749][  T865]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.323753][  T865]  ? 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)
[   28.323755][  T865]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.323757][  T865]  put_chars (drivers/char/virtio_console.c:1176)
[   28.323759][  T865]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.323760][  T865]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   28.323763][  T865]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.323767][  T865]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.323769][  T865]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.323771][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323772][  T865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.323775][  T865]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.323777][  T865]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.323779][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323780][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323781][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323782][  T865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.323784][  T865]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.323785][  T865]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.323787][  T865]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.323790][  T865]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.323792][  T865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.323793][  T865]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.323795][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323796][  T865]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.323797][  T865]  ? 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)
[   28.323799][  T865]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   28.323800][  T865]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.323802][  T865]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.323803][  T865]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.323805][  T865]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.323806][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323807][  T865]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.323810][  T865]  ? 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)
[   28.323812][  T865]  _printk (kernel/printk/printk.c:2504)
[   28.323815][  T865]  ? snapshot_read.cold (user.c:?)
[   28.323817][  T865]  ? do_one_broadcast (net/netlink/af_netlink.c:1500)
[   28.323821][  T865]  ? inet6_fill_ifinfo (net/ipv6/addrconf.c:6135)
[   28.323824][  T865]  ? 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)
[   28.323826][  T865]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   28.323830][  T865]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   28.323832][  T865]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   28.323834][  T865]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   28.323838][  T865]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   28.323840][  T865]  ? addrconf_notify (net/ipv6/addrconf.c:3796)
[   28.323842][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323843][  T865]  notifier_call_chain (kernel/notifier.c:85)
[   28.323845][  T865]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   28.323848][  T865]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.323850][  T865]  ? netif_change_name (net/core/dev.c:1517)
[   28.323852][  T865]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   28.323854][  T865]  ? write_profile (profile.c:?)
[   28.323857][  T865]  netif_change_flags (net/core/dev.c:9882)
[   28.323859][  T865]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   28.323862][  T865]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.323864][  T865]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.323865][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323866][  T865]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   28.323869][  T865]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.323871][  T865]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.323872][  T865]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.323873][  T865]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.323874][  T865]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   28.323875][  T865]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   28.323876][  T865]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.323878][  T865]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.323879][  T865]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.323880][  T865]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.323882][  T865]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   28.323884][  T865]  ? ____sys_sendmsg (net/socket.c:2713)
[   28.323886][  T865]  ? ___sys_sendmsg (net/socket.c:2767)
[   28.323887][  T865]  ? __sys_sendmsg (net/socket.c:2799)
[   28.323889][  T865]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.323892][  T865]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.323894][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323895][  T865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.323897][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323898][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323899][  T865]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.323900][  T865]  ? __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)
[   28.323902][  T865]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.323903][  T865]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.323904][  T865]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.323906][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323907][  T865]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.323909][  T865]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.323911][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323912][  T865]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.323913][  T865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.323914][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323916][  T865]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   28.323918][  T865]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   28.323919][  T865]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   28.323922][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323923][  T865]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   28.323926][  T865]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   28.323928][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323929][  T865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.323930][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323931][  T865]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.323932][  T865]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.323934][  T865]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.323935][  T865]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   28.323937][  T865]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   28.323939][  T865]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.323940][  T865]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.323942][  T865]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.323943][  T865]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.323945][  T865]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   28.323947][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323948][  T865]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.323950][  T865]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.323952][  T865]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.323954][  T865]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.323955][  T865]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.323957][  T865]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.323959][  T865]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   28.323960][  T865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.323962][  T865]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   28.323965][  T865]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   28.323967][  T865]  ____sys_sendmsg (net/socket.c:2713)
[   28.323968][  T865]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.323970][  T865]  ? sock_write_iter (net/socket.c:1269)
[   28.323971][  T865]  ? move_addr_to_kernel (net/socket.c:258)
[   28.323972][  T865]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   28.323975][  T865]  ___sys_sendmsg (net/socket.c:2767)
[   28.323977][  T865]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.323981][  T865]  __sys_sendmsg (net/socket.c:2799)
[   28.323983][  T865]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.323985][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.323987][  T865]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.323989][  T865]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.323990][  T865]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.323992][  T865] RIP: 0033:0x7f24b2fa454e
[   28.323993][  T865] 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
[   28.323995][  T865] RSP: 002b:00007ffcda16c740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.323999][  T865] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f24b2fa454e
[   28.324000][  T865] RDX: 0000000000000000 RSI: 00007ffcda16c7f0 RDI: 0000000000000003
[   28.324001][  T865] RBP: 00007ffcda16c750 R08: 0000000000000000 R09: 0000000000000000
[   28.324002][  T865] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919bb6
[   28.324002][  T865] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcda16ceb0
| [   29.863393][  T425] softirqs last disabled at (1065268): unix_release_sock (./include/net/sock.h:2138 net/unix/af_unix.c:678)
| [   29.863395][  T425] Preemption disabled at:
| [   29.863395][  T425] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.863406][  T425] Tainted: [W]=WARN
[   29.863407][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.863409][  T425] Call Trace:
[   29.863410][  T425]  <TASK>
[   29.863412][  T425]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.863417][  T425]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.863418][  T425]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.863421][  T425]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   29.863423][  T425]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.863427][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863429][  T425]  __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))
[   29.863432][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.863435][  T425]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.863439][  T425]  ? 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)
[   29.863441][  T425]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.863443][  T425]  put_chars (drivers/char/virtio_console.c:1176)
[   29.863445][  T425]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.863446][  T425]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.863449][  T425]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.863453][  T425]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.863455][  T425]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   29.863457][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.863459][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863460][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863461][  T425]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.863464][  T425]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.863466][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863467][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863468][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863469][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.863471][  T425]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.863473][  T425]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.863475][  T425]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.863478][  T425]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.863479][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.863481][  T425]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.863483][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863484][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.863485][  T425]  ? 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)
[   29.863486][  T425]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   29.863488][  T425]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.863490][  T425]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.863491][  T425]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.863493][  T425]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.863494][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863496][  T425]  dev_vprintk_emit (drivers/base/core.c:5000)
[   29.863500][  T425]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   29.863502][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863503][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863504][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.863506][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863507][  T425]  dev_printk_emit (drivers/base/core.c:5011)
[   29.863509][  T425]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   29.863511][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.863512][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863513][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.863515][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863516][  T425]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   29.863520][  T425]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.863522][  T425]  ? netdev_notice (net/core/dev.c:13194)
[   29.863524][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863525][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863526][  T425]  ? 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)
[   29.863528][  T425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.863530][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863531][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863532][  T425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.863534][  T425]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   29.863536][  T425]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   29.863537][  T425]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.863540][  T425]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   29.863542][  T425]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   29.863545][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.863547][  T425]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.863550][  T425]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.863552][  T425]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.863554][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.863555][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863556][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.863558][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   29.863560][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.863561][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863562][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.863565][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.863566][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863567][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.863568][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863569][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.863571][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863572][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.863574][  T425]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   29.863576][  T425]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.863578][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863579][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.863580][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863581][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863582][  T425]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.863583][  T425]  ? __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)
[   29.863585][  T425]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.863586][  T425]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   29.863587][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.863588][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.863589][  T425]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.863590][  T425]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.863594][  T425]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   29.863596][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863597][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863600][  T425]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   29.863601][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863605][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   29.863607][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.863612][  T425]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   29.863614][  T425]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.863615][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863616][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863617][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.863618][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863619][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.863621][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   29.863622][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.863623][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.863625][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863626][  T425]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   29.863629][  T425]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   29.863630][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863631][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.863632][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863633][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   29.863635][  T425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.863636][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.863637][  T425]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.863640][  T425]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.863643][  T425]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.863646][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.863647][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.863649][  T425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.863650][  T425]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   29.863653][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863654][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.863656][  T425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.863658][  T425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.863660][  T425]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   29.863662][  T425]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   29.863664][  T425]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.863666][  T425]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.863668][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.863670][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863671][  T425]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   29.863674][  T425]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   29.863676][  T425]  __sys_sendto (net/socket.c:2281)
[   29.863678][  T425]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   29.863682][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.863683][  T425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.863685][  T425]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   29.863687][  T425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.863688][  T425]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   29.863690][  T425]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   29.863691][  T425]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.863693][  T425]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.863695][  T425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.863696][  T425] RIP: 0033:0x7f95821e754e
[   29.863699][  T425] 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
[   29.863701][  T425] RSP: 002b:00007ffd5e391240 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   29.863704][  T425] RAX: ffffffffffffffda RBX: 000055601a0bcc70 RCX: 00007f95821e754e
[   29.863705][  T425] RDX: 0000000000000030 RSI: 000055601a0c5390 RDI: 000000000000001c
[   29.863706][  T425] RBP: 00007ffd5e391250 R08: 00007ffd5e3912a0 R09: 0000000000000080
[   29.863707][  T425] R10: 0000000000000000 R11: 0000000000000202 R12: 000055601a111c30


Finger prints:
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
unix_release_sock:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars