======================================
| [   10.103702][  T203] softirqs last disabled at (24990): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.103704][  T203] Preemption disabled at:
| [   10.103705][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.103715][  T203] Tainted: [W]=WARN
[   10.103716][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.103718][  T203] Call Trace:
[   10.103719][  T203]  <TASK>
[   10.103721][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.103727][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.103728][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.103733][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.103737][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.103742][  T203]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.103744][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.103751][  T203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.103754][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.103758][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   10.103760][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.103764][  T203]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.103769][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.103773][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.103779][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.103782][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.103788][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.103792][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.103794][  T203]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.103798][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.103799][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.103804][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.103808][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.103810][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.103816][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.103819][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.103821][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.103823][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   10.103827][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.103829][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.103832][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.103835][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.103837][  T203]  ? __kernel_text_address (kernel/extable.c:79)
[   10.103840][  T203]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.103843][  T203]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   10.103849][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   10.103854][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   10.103863][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   10.103866][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   10.103870][  T203]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   10.103876][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   10.103882][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.103885][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   10.103888][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.103891][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.103894][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.103898][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.103900][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.103903][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   10.103907][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.103910][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.103913][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.103919][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.103922][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.103926][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.103927][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.103929][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.103931][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.103934][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.103939][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.103941][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   10.103943][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   10.103947][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.103949][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.103952][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.103954][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.103956][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.103957][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.103959][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.103962][  T203]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   10.103964][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.103967][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.103968][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.103972][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.103973][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.103976][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.103980][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.103987][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   10.103990][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.103992][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.104019][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.104021][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.104024][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.104026][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.104028][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.104033][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.104034][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.104036][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.104038][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.104042][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.104044][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.104047][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.104048][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.104053][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.104055][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.104058][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.104061][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.104064][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.104071][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.104073][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.104077][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.104081][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.104085][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.104089][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.104093][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.104094][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.104097][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.104102][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.104105][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   10.104108][  T203]  __sys_sendto (net/socket.c:2281)
[   10.104112][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   10.104122][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   10.104128][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   10.104130][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.104134][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.104135][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.104138][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.104140][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.104142][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.104144][  T203] RIP: 0033:0x7f597c8b854e
[   10.104148][  T203] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.104150][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.104152][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   10.104154][  T203] RDX: 0000000000000030 RSI: 000055ade0b450e0 RDI: 0000000000000016
[   10.104154][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   10.104155][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b44cb0
[   10.104156][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   11.696647][  T203] softirqs last disabled at (323028): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.696650][  T203] Preemption disabled at:
| [   11.696651][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.696659][  T203] Tainted: [W]=WARN
[   11.696660][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.696662][  T203] Call Trace:
[   11.696663][  T203]  <TASK>
[   11.696665][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.696670][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.696672][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.696677][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.696681][  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)
[   11.696685][  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))
[   11.696687][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.696694][  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)
[   11.696696][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.696700][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   11.696702][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.696703][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.696707][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.696710][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.696715][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.696719][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696724][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.696727][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696732][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.696736][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.696738][  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))
[   11.696741][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696743][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.696747][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.696751][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.696753][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696758][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.696761][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.696763][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696765][  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)
[   11.696768][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.696770][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.696773][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.696776][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.696777][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.696779][  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))
[   11.696784][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   11.696790][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   11.696795][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.696797][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696800][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   11.696803][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   11.696806][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.696808][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696810][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696811][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.696813][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.696817][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   11.696823][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.696826][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   11.696828][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.696831][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.696834][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.696837][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.696839][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.696842][  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))
[   11.696846][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.696852][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.696855][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.696860][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.696863][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696866][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.696867][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.696869][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.696871][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.696873][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.696877][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696879][  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))
[   11.696881][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   11.696884][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.696886][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.696889][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696890][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.696892][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696893][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696894][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.696897][  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)
[   11.696900][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.696902][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.696903][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.696906][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.696907][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.696911][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696914][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.696922][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   11.696925][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.696926][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696948][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.696950][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.696953][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.696955][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.696957][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696961][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.696963][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.696965][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.696967][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.696970][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.696972][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.696975][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.696977][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.696981][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.696983][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.696986][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.696989][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.696992][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.696999][  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))
[   11.697001][  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))
[   11.697009][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.697013][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.697016][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.697020][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.697023][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.697025][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.697028][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.697032][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.697036][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   11.697039][  T203]  __sys_sendto (net/socket.c:2281)
[   11.697042][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.697053][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   11.697058][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.697060][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.697064][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.697066][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.697069][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.697071][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.697073][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.697075][  T203] RIP: 0033:0x7f597c8b854e
[   11.697079][  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
[   11.697081][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.697083][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   11.697084][  T203] RDX: 0000000000000030 RSI: 000055ade09ba1a0 RDI: 0000000000000016
[   11.697085][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   11.697086][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b1fd10
[   11.697087][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   12.883544][  T203] softirqs last disabled at (612820): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.883546][  T203] Preemption disabled at:
| [   12.883547][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.883556][  T203] Tainted: [W]=WARN
[   12.883557][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.883559][  T203] Call Trace:
[   12.883560][  T203]  <TASK>
[   12.883562][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.883567][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.883569][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.883574][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.883578][  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)
[   12.883582][  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))
[   12.883584][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.883591][  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)
[   12.883593][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.883597][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   12.883599][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.883601][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.883605][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.883607][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.883612][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.883616][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.883621][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.883625][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.883629][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.883633][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.883635][  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))
[   12.883639][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.883640][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.883644][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.883649][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.883651][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.883656][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.883659][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.883661][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.883663][  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)
[   12.883666][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.883668][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.883671][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.883674][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.883675][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.883678][  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))
[   12.883683][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   12.883688][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   12.883693][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.883695][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.883699][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   12.883702][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   12.883705][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.883707][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.883709][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.883710][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.883712][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.883716][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   12.883722][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.883725][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   12.883728][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.883731][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.883733][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.883737][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.883739][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.883742][  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))
[   12.883746][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.883749][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.883751][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.883757][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.883760][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.883763][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.883764][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.883766][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.883768][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.883770][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.883775][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.883776][  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))
[   12.883778][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   12.883782][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.883784][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.883787][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.883788][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.883790][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.883791][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.883793][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.883795][  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)
[   12.883798][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.883800][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.883802][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.883805][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.883806][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.883809][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.883813][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.883820][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   12.883823][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.883825][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.883848][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.883850][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.883853][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.883855][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.883857][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.883861][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.883863][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.883865][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.883867][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.883871][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.883873][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.883876][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.883877][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.883882][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.883884][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.883888][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.883891][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.883894][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.883900][  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))
[   12.883902][  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))
[   12.883907][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.883911][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.883915][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.883918][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.883922][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.883924][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.883927][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.883932][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.883934][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   12.883938][  T203]  __sys_sendto (net/socket.c:2281)
[   12.883941][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.883956][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.883958][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.883962][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.883964][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.883966][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.883968][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.883971][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.883973][  T203] RIP: 0033:0x7f597c8b854e
[   12.883977][  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
[   12.883978][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.883981][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   12.883982][  T203] RDX: 0000000000000030 RSI: 000055ade0b256b0 RDI: 0000000000000016
[   12.883983][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   12.883984][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b25f60
[   12.883985][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   14.032255][  T203] softirqs last disabled at (876852): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.032258][  T203] Preemption disabled at:
| [   14.032258][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.032267][  T203] Tainted: [W]=WARN
[   14.032268][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.032269][  T203] Call Trace:
[   14.032271][  T203]  <TASK>
[   14.032273][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.032278][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.032280][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.032285][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.032289][  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)
[   14.032293][  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))
[   14.032295][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.032301][  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)
[   14.032304][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.032308][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   14.032310][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.032311][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.032315][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.032318][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.032323][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.032326][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.032332][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.032335][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.032340][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.032344][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.032345][  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))
[   14.032349][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.032350][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.032354][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.032359][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.032361][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.032366][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.032369][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.032371][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.032372][  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)
[   14.032376][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.032378][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.032381][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.032384][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.032385][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.032387][  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))
[   14.032392][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   14.032397][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   14.032402][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.032404][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.032408][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   14.032410][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   14.032413][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.032416][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.032417][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.032419][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.032421][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.032424][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   14.032430][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.032433][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   14.032436][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.032439][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.032441][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.032445][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.032447][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.032450][  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))
[   14.032453][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.032456][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.032459][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.032464][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.032467][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.032470][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.032471][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.032473][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.032475][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.032477][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.032482][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.032483][  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))
[   14.032485][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   14.032488][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.032490][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.032493][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.032495][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.032496][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.032497][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.032499][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.032501][  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)
[   14.032504][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.032506][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.032508][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.032511][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.032512][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.032515][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.032519][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.032526][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   14.032529][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.032551][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.032553][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.032556][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.032558][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.032560][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.032564][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.032566][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.032568][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.032570][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.032574][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.032575][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.032579][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.032580][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.032584][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.032586][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.032590][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.032593][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.032595][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.032602][  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))
[   14.032604][  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))
[   14.032608][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.032612][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.032616][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.032619][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.032623][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.032625][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.032627][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.032632][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.032635][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   14.032638][  T203]  __sys_sendto (net/socket.c:2281)
[   14.032641][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   14.032652][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   14.032657][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   14.032659][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.032663][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.032665][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   14.032667][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.032669][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.032672][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.032674][  T203] RIP: 0033:0x7f597c8b854e
[   14.032677][  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
[   14.032679][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   14.032681][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   14.032683][  T203] RDX: 0000000000000030 RSI: 000055ade0b22890 RDI: 0000000000000016
[   14.032684][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   14.032684][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b3c720
[   14.032685][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   15.361654][  T203] softirqs last disabled at (1167814): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   15.361657][  T203] Preemption disabled at:
| [   15.361657][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.361666][  T203] Tainted: [W]=WARN
[   15.361667][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.361668][  T203] Call Trace:
[   15.361670][  T203]  <TASK>
[   15.361671][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.361677][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.361679][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.361684][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.361688][  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)
[   15.361692][  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))
[   15.361694][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.361701][  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)
[   15.361704][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.361707][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   15.361710][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.361711][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.361715][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.361718][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.361723][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.361727][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.361732][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.361735][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.361740][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.361744][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.361746][  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))
[   15.361749][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.361751][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.361755][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.361760][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.361761][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.361767][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.361770][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.361772][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.361774][  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)
[   15.361778][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.361779][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.361782][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.361786][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.361787][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.361789][  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))
[   15.361794][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   15.361800][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   15.361805][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.361807][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.361811][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   15.361813][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   15.361816][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.361819][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.361820][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.361822][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.361824][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.361827][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   15.361834][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.361837][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   15.361840][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.361843][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.361845][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.361849][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.361851][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   15.361854][  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))
[   15.361858][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   15.361861][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.361864][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.361869][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.361872][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.361875][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.361877][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.361879][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.361881][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.361883][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.361887][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.361889][  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))
[   15.361891][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   15.361895][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.361897][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   15.361899][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.361901][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.361903][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.361904][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.361906][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.361908][  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)
[   15.361911][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.361913][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   15.361915][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.361918][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.361920][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.361923][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.361927][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.361934][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   15.361938][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.361939][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.361963][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.361965][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.361967][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.361969][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.361972][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.361976][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.361978][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.361980][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.361982][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.361986][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.361988][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.361991][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.361993][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.361997][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.361999][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.362003][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.362006][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.362009][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.362016][  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))
[   15.362018][  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))
[   15.362023][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.362032][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.362036][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.362039][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.362043][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.362045][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.362048][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.362053][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.362056][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   15.362059][  T203]  __sys_sendto (net/socket.c:2281)
[   15.362062][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   15.362077][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   15.362079][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.362083][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.362085][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   15.362088][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.362090][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.362092][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.362095][  T203] RIP: 0033:0x7f597c8b854e
[   15.362098][  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
[   15.362100][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   15.362103][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   15.362104][  T203] RDX: 0000000000000030 RSI: 000055ade09cc590 RDI: 0000000000000016
[   15.362105][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   15.362106][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b4e150
[   15.362107][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   16.463713][  T203] softirqs last disabled at (1377050): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   16.463716][  T203] Preemption disabled at:
| [   16.463716][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.463725][  T203] Tainted: [W]=WARN
[   16.463726][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.463727][  T203] Call Trace:
[   16.463729][  T203]  <TASK>
[   16.463730][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.463736][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.463738][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.463742][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.463747][  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)
[   16.463751][  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))
[   16.463753][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.463760][  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)
[   16.463762][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.463766][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   16.463768][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.463770][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.463773][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.463776][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.463781][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.463785][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.463790][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.463793][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.463798][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.463802][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.463804][  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))
[   16.463807][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.463809][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.463813][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.463817][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.463819][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.463824][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.463827][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.463829][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.463830][  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)
[   16.463834][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.463836][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.463839][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.463842][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.463843][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.463845][  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))
[   16.463850][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   16.463855][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   16.463860][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.463862][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.463866][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   16.463868][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   16.463871][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.463874][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.463875][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.463877][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.463879][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.463882][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   16.463888][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   16.463891][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   16.463894][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.463897][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.463899][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.463902][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.463905][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   16.463908][  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))
[   16.463911][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   16.463914][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.463916][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   16.463922][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.463925][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.463928][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.463929][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.463931][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.463933][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.463934][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.463939][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.463941][  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))
[   16.463942][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   16.463946][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.463948][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   16.463950][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.463952][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.463953][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.463955][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.463956][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.463959][  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)
[   16.463961][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.463963][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   16.463965][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.463968][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.463969][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.463973][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.463976][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.463984][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   16.463987][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   16.463988][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.464011][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.464013][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.464016][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.464017][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.464020][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.464024][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.464026][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.464028][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   16.464029][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.464039][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   16.464041][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.464044][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.464045][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.464050][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.464052][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.464055][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.464058][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.464061][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.464067][  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))
[   16.464069][  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))
[   16.464074][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.464078][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.464081][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.464084][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.464088][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.464090][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.464093][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.464097][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.464100][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   16.464104][  T203]  __sys_sendto (net/socket.c:2281)
[   16.464107][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   16.464121][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   16.464123][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.464126][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.464129][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   16.464131][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.464133][  T203]  ? irq_exit_rcu (kernel/softirq.c:786)
[   16.464137][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.464139][  T203] RIP: 0033:0x7f597c8b854e
[   16.464143][  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
[   16.464144][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   16.464147][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   16.464148][  T203] RDX: 0000000000000030 RSI: 000055ade0b1b950 RDI: 0000000000000016
[   16.464149][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   16.464150][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b51300
[   16.464150][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   17.554876][  T431] softirqs last disabled at (11520): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   17.554878][  T431] Preemption disabled at:
| [   17.554878][  T431] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.554887][  T431] Tainted: [W]=WARN
[   17.554888][  T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.554889][  T431] Call Trace:
[   17.554891][  T431]  <TASK>
[   17.554892][  T431]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.554898][  T431]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.554899][  T431]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.554904][  T431]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.554908][  T431]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.554913][  T431]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.554915][  T431]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.554921][  T431]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.554924][  T431]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.554927][  T431]  put_chars (drivers/char/virtio_console.c:1176)
[   17.554930][  T431]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.554933][  T431]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.554936][  T431]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.554938][  T431]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.554943][  T431]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.554947][  T431]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.554949][  T431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.554950][  T431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.554954][  T431]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.554956][  T431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.554961][  T431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.554965][  T431]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.554968][  T431]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.554970][  T431]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.554974][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.554975][  T431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.554979][  T431]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.554984][  T431]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.554985][  T431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.554991][  T431]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.554994][  T431]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.554996][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.554997][  T431]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   17.555001][  T431]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.555003][  T431]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.555006][  T431]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.555009][  T431]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.555011][  T431]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.555016][  T431]  _printk (kernel/printk/printk.c:2504)
[   17.555019][  T431]  ? snapshot_read.cold (user.c:?)
[   17.555022][  T431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.555024][  T431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.555028][  T431]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   17.555032][  T431]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   17.555036][  T431]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   17.555045][  T431]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   17.555049][  T431]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   17.555055][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.555056][  T431]  notifier_call_chain (kernel/notifier.c:85)
[   17.555061][  T431]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   17.555066][  T431]  ? netif_change_name (net/core/dev.c:1517)
[   17.555070][  T431]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   17.555073][  T431]  ? write_profile (profile.c:?)
[   17.555078][  T431]  netif_change_flags (net/core/dev.c:9882)
[   17.555082][  T431]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   17.555086][  T431]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.555088][  T431]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.555089][  T431]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.555091][  T431]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.555094][  T431]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.555096][  T431]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.555098][  T431]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.555100][  T431]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.555103][  T431]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.555104][  T431]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.555105][  T431]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   17.555107][  T431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.555109][  T431]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   17.555112][  T431]  ? ___sys_sendmsg (net/socket.c:2758)
[   17.555116][  T431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.555118][  T431]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.555120][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.555122][  T431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.555124][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.555125][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.555126][  T431]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.555129][  T431]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   17.555131][  T431]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.555133][  T431]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.555136][  T431]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.555140][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.555142][  T431]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.555147][  T431]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.555152][  T431]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.555154][  T431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.555159][  T431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.555161][  T431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.555162][  T431]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.555164][  T431]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.555168][  T431]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.555172][  T431]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.555175][  T431]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.555177][  T431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.555181][  T431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.555183][  T431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.555186][  T431]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.555188][  T431]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.555191][  T431]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.555198][  T431]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.555200][  T431]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.555204][  T431]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.555208][  T431]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.555211][  T431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.555215][  T431]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.555219][  T431]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.555223][  T431]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.555224][  T431]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   17.555230][  T431]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.555232][  T431]  ____sys_sendmsg (net/socket.c:2713)
[   17.555235][  T431]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.555237][  T431]  ? sock_write_iter (net/socket.c:1269)
[   17.555239][  T431]  ? move_addr_to_kernel (net/socket.c:258)
[   17.555246][  T431]  ___sys_sendmsg (net/socket.c:2767)
[   17.555249][  T431]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.555264][  T431]  __sys_sendmsg (net/socket.c:2799)
[   17.555267][  T431]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.555274][  T431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.555276][  T431]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.555280][  T431]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.555282][  T431]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.555285][  T431] RIP: 0033:0x7efefa3fd54e
[   17.555288][  T431] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.555290][  T431] RSP: 002b:00007ffe7fd3a3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.555292][  T431] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efefa3fd54e
[   17.555294][  T431] RDX: 0000000000000000 RSI: 00007ffe7fd3a450 RDI: 0000000000000003
[   17.555295][  T431] RBP: 00007ffe7fd3a3b0 R08: 0000000000000000 R09: 0000000000000000
[   17.555295][  T431] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f3e1
[   17.555296][  T431] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7fd3ab10
| [   19.486102][  T203] softirqs last disabled at (1947632): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   19.486104][  T203] Preemption disabled at:
| [   19.486105][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.486113][  T203] Tainted: [W]=WARN
[   19.486114][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.486116][  T203] Call Trace:
[   19.486117][  T203]  <TASK>
[   19.486119][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.486124][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.486126][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.486130][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.486134][  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)
[   19.486139][  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))
[   19.486141][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.486147][  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)
[   19.486149][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.486153][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   19.486155][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.486157][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.486160][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.486163][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.486168][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.486174][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.486179][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.486182][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.486187][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.486191][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.486193][  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))
[   19.486196][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.486197][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.486201][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.486205][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.486207][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.486212][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.486215][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.486217][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.486219][  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)
[   19.486222][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.486224][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.486227][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.486230][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.486231][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.486233][  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))
[   19.486238][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   19.486243][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   19.486248][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.486250][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.486254][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   19.486256][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   19.486259][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.486261][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.486263][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.486265][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.486266][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.486270][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   19.486276][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.486279][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   19.486281][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.486284][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.486287][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.486290][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.486292][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   19.486295][  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))
[   19.486298][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   19.486301][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.486304][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.486310][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.486312][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.486315][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.486317][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.486318][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.486320][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.486322][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.486324][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.486326][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.486329][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.486334][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.486336][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   19.486338][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.486340][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.486341][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.486342][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.486344][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.486346][  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)
[   19.486349][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.486351][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   19.486352][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.486355][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.486356][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.486361][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.486363][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.486370][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   19.486374][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.486375][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.486397][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.486399][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.486402][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.486403][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.486406][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.486410][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.486412][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.486414][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.486415][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.486419][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.486421][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.486424][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.486426][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.486430][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.486432][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.486435][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.486439][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.486441][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.486448][  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))
[   19.486450][  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))
[   19.486454][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.486458][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.486462][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.486465][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.486469][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.486471][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.486474][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.486478][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   19.486481][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   19.486485][  T203]  __sys_sendto (net/socket.c:2281)
[   19.486488][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   19.486501][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   19.486504][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.486507][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.486509][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   19.486512][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.486514][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.486516][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.486518][  T203] RIP: 0033:0x7f597c8b854e
[   19.486522][  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
[   19.486524][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   19.486526][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   19.486528][  T203] RDX: 0000000000000030 RSI: 000055ade0b34550 RDI: 0000000000000016
[   19.486528][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   19.486529][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b6e000
[   19.486530][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   20.605640][  T203] softirqs last disabled at (2140944): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   20.605643][  T203] Preemption disabled at:
| [   20.605644][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.605653][  T203] Tainted: [W]=WARN
[   20.605654][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.605655][  T203] Call Trace:
[   20.605657][  T203]  <TASK>
[   20.605659][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.605665][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.605666][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.605671][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.605675][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.605680][  T203]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.605682][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.605689][  T203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.605692][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.605695][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   20.605698][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.605699][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.605703][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.605706][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.605711][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.605715][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.605720][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.605724][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.605728][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.605733][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.605735][  T203]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   20.605738][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.605740][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.605744][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.605748][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.605750][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.605756][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.605759][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.605761][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.605763][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   20.605767][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.605768][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.605771][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.605775][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.605776][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.605778][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.605784][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   20.605789][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   20.605794][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.605797][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.605800][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   20.605803][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   20.605806][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.605808][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.605810][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.605812][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.605814][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.605817][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   20.605824][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.605827][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   20.605830][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.605833][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.605836][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.605839][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.605842][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   20.605845][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.605848][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   20.605851][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.605854][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   20.605860][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.605863][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.605866][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.605868][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.605870][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.605872][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.605874][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.605879][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.605880][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.605882][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   20.605886][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.605888][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   20.605891][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.605892][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.605894][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.605895][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.605897][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.605900][  T203]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   20.605903][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.605905][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   20.605907][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.605910][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.605911][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.605915][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.605918][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.605926][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   20.605929][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.605931][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.605955][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.605957][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.605960][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.605962][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.605964][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.605969][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.605971][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.605973][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.605974][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.605978][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.605981][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.605984][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.605985][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.605990][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.605992][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.605996][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.605999][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.606002][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.606009][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.606011][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.606016][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.606020][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.606024][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.606028][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.606032][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.606034][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.606037][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.606042][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.606045][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   20.606049][  T203]  __sys_sendto (net/socket.c:2281)
[   20.606052][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   20.606072][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   20.606074][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.606078][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.606080][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   20.606083][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.606085][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.606088][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.606090][  T203] RIP: 0033:0x7f597c8b854e
[   20.606094][  T203] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.606096][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   20.606098][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   20.606100][  T203] RDX: 0000000000000030 RSI: 000055ade09b3e80 RDI: 0000000000000016
[   20.606101][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   20.606101][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b560b0
[   20.606102][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   21.949383][  T203] softirqs last disabled at (2461452): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   21.949386][  T203] Preemption disabled at:
| [   21.949386][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.949395][  T203] Tainted: [W]=WARN
[   21.949396][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.949397][  T203] Call Trace:
[   21.949399][  T203]  <TASK>
[   21.949400][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.949405][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.949407][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.949412][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.949416][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.949420][  T203]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.949422][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.949429][  T203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.949431][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.949434][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   21.949437][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.949438][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.949442][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.949444][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.949449][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.949453][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.949458][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.949461][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.949466][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.949470][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.949472][  T203]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   21.949475][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.949477][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.949481][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.949485][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.949487][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.949492][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.949495][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.949497][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.949498][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   21.949502][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.949504][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.949507][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.949510][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.949511][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.949513][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   21.949518][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   21.949523][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   21.949528][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.949530][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.949534][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   21.949536][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   21.949539][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.949541][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.949543][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.949544][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.949546][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.949550][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   21.949556][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.949559][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   21.949561][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.949564][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.949567][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.949570][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.949572][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   21.949575][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   21.949579][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   21.949581][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.949584][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   21.949590][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.949593][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.949595][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.949597][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.949598][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.949600][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.949601][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.949603][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.949606][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.949607][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.949610][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.949615][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.949617][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   21.949619][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.949621][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.949622][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.949624][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.949625][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.949627][  T203]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   21.949630][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.949631][  T203]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.949635][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   21.949636][  T203]  ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22))
[   21.949639][  T203]  ? __schedule (kernel/sched/core.c:7277)
[   21.949642][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.949643][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.949647][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.949650][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.949657][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   21.949660][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.949661][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.949685][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.949686][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.949689][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.949691][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.949693][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.949698][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.949699][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.949701][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.949703][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.949707][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.949709][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.949712][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.949713][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.949718][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.949720][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.949723][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.949727][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.949730][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.949736][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.949738][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.949743][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.949747][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.949750][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.949754][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.949758][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.949759][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.949762][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.949767][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.949770][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   21.949773][  T203]  __sys_sendto (net/socket.c:2281)
[   21.949776][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   21.949791][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   21.949793][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.949797][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.949798][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   21.949801][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.949803][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.949805][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.949808][  T203] RIP: 0033:0x7f597c8b854e
[   21.949811][  T203] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.949813][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   21.949816][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   21.949817][  T203] RDX: 0000000000000030 RSI: 000055ade0b59e60 RDI: 0000000000000016
[   21.949818][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   21.949818][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b5a860
[   21.949819][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   23.216012][  T203] softirqs last disabled at (2739528): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   23.216014][  T203] Preemption disabled at:
| [   23.216015][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.216023][  T203] Tainted: [W]=WARN
[   23.216024][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.216026][  T203] Call Trace:
[   23.216027][  T203]  <TASK>
[   23.216029][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.216035][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.216036][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.216041][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.216045][  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)
[   23.216050][  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))
[   23.216052][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.216058][  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)
[   23.216061][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.216064][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   23.216067][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.216068][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.216072][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.216082][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.216087][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.216091][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.216096][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.216099][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.216104][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.216108][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.216110][  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))
[   23.216113][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.216115][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.216118][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.216123][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.216124][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.216130][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.216133][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.216134][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.216136][  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)
[   23.216140][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.216142][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.216144][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.216147][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.216149][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.216151][  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))
[   23.216156][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   23.216161][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   23.216166][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.216168][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.216174][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   23.216176][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   23.216179][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.216181][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.216183][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.216185][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.216186][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.216190][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   23.216196][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.216199][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   23.216201][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.216204][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.216207][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.216210][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.216212][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   23.216215][  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))
[   23.216219][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   23.216221][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.216224][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.216230][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.216232][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.216235][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.216237][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.216239][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.216241][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.216242][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.216247][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.216249][  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))
[   23.216250][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   23.216254][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.216256][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   23.216258][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.216260][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.216261][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.216263][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.216264][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.216267][  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)
[   23.216269][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.216271][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   23.216273][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.216276][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.216277][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.216281][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.216284][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.216291][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   23.216294][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   23.216296][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.216319][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.216321][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.216323][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.216325][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.216327][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.216332][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.216334][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.216336][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   23.216337][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.216341][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   23.216343][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.216346][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.216348][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.216352][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.216354][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.216357][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.216360][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.216363][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.216370][  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))
[   23.216372][  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))
[   23.216376][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.216380][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.216384][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.216387][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.216391][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.216393][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.216395][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.216400][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.216403][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   23.216406][  T203]  __sys_sendto (net/socket.c:2281)
[   23.216410][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   23.216420][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   23.216425][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   23.216427][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.216431][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.216433][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   23.216435][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.216437][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.216440][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.216442][  T203] RIP: 0033:0x7f597c8b854e
[   23.216446][  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
[   23.216447][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   23.216450][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   23.216451][  T203] RDX: 0000000000000030 RSI: 000055ade09b3d90 RDI: 0000000000000016
[   23.216452][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   23.216452][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b712e0
[   23.216453][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   24.628243][  T203] softirqs last disabled at (3023499): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   24.628245][  T203] Preemption disabled at:
| [   24.628246][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.628255][  T203] Tainted: [W]=WARN
[   24.628256][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.628257][  T203] Call Trace:
[   24.628259][  T203]  <TASK>
[   24.628261][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.628266][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.628268][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.628272][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.628276][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.628281][  T203]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.628282][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.628289][  T203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.628292][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.628296][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   24.628298][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.628299][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.628304][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.628307][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.628312][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.628316][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.628321][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.628324][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.628329][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.628333][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.628335][  T203]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.628338][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.628339][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.628343][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.628348][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.628350][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.628355][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.628358][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.628360][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.628362][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   24.628365][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.628367][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.628370][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.628373][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.628374][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.628377][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   24.628382][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   24.628387][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   24.628392][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.628394][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.628398][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   24.628400][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   24.628403][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.628405][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.628407][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.628409][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.628410][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.628414][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   24.628420][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.628423][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   24.628426][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.628429][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.628431][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.628435][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.628437][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   24.628440][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   24.628443][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   24.628447][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.628450][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.628456][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.628459][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.628462][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.628463][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.628465][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.628467][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.628469][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.628473][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.628475][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   24.628477][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   24.628480][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.628482][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   24.628485][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.628486][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.628488][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.628489][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.628491][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.628493][  T203]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   24.628496][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.628498][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   24.628500][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.628503][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.628504][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.628507][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.628511][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.628518][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   24.628521][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.628523][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.628546][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.628548][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.628551][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.628552][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.628554][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.628559][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.628561][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.628563][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.628565][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.628569][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.628571][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.628574][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.628575][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.628580][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.628581][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.628585][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.628588][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.628591][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.628598][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.628600][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.628604][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.628608][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.628612][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.628615][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.628619][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.628621][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.628624][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.628629][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.628632][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   24.628635][  T203]  __sys_sendto (net/socket.c:2281)
[   24.628638][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   24.628649][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   24.628655][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   24.628657][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.628661][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.628662][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   24.628665][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.628667][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.628669][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.628671][  T203] RIP: 0033:0x7f597c8b854e
[   24.628675][  T203] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.628676][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   24.628679][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   24.628681][  T203] RDX: 0000000000000030 RSI: 000055ade0b74b00 RDI: 0000000000000016
[   24.628682][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   24.628682][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b75580
[   24.628683][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   25.659830][  T203] softirqs last disabled at (3221638): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   25.659832][  T203] Preemption disabled at:
| [   25.659833][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.659841][  T203] Tainted: [W]=WARN
[   25.659842][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.659844][  T203] Call Trace:
[   25.659845][  T203]  <TASK>
[   25.659847][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.659853][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.659855][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.659859][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.659863][  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)
[   25.659868][  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))
[   25.659870][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.659876][  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)
[   25.659879][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.659883][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   25.659885][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.659886][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.659890][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.659893][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.659898][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.659902][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.659907][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.659910][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.659915][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.659919][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.659921][  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))
[   25.659924][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.659926][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.659930][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.659934][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.659936][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.659942][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.659944][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.659946][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.659948][  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)
[   25.659952][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.659954][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.659956][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.659960][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.659961][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.659963][  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))
[   25.659969][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   25.659974][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   25.659979][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.659981][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.659984][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   25.659987][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   25.659990][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.659992][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.659994][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.659996][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.659997][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.660001][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   25.660007][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.660010][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   25.660013][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.660016][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.660019][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.660022][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.660024][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   25.660027][  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))
[   25.660031][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   25.660033][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.660036][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   25.660042][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.660045][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.660048][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.660049][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.660051][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.660053][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.660055][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.660060][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.660062][  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))
[   25.660064][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   25.660067][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.660069][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   25.660072][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.660074][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.660075][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.660076][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.660078][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.660081][  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)
[   25.660083][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.660085][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   25.660087][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.660097][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.660098][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.660102][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.660105][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.660113][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   25.660116][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   25.660117][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.660140][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.660142][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.660144][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.660146][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.660149][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.660153][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.660155][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.660157][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   25.660159][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.660162][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   25.660164][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.660168][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.660171][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.660176][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.660178][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.660182][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.660185][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.660189][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.660196][  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))
[   25.660198][  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))
[   25.660203][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.660207][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.660211][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.660214][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.660218][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.660220][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.660223][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.660228][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   25.660230][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   25.660234][  T203]  __sys_sendto (net/socket.c:2281)
[   25.660237][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   25.660251][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   25.660253][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.660257][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.660259][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   25.660262][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.660264][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.660267][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.660269][  T203] RIP: 0033:0x7f597c8b854e
[   25.660273][  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
[   25.660274][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   25.660277][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   25.660278][  T203] RDX: 0000000000000030 RSI: 000055ade0b2dc30 RDI: 0000000000000016
[   25.660279][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   25.660280][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b78100
[   25.660281][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   26.818457][  T203] softirqs last disabled at (3516846): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   26.818460][  T203] Preemption disabled at:
| [   26.818460][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.818468][  T203] Tainted: [W]=WARN
[   26.818469][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.818471][  T203] Call Trace:
[   26.818473][  T203]  <TASK>
[   26.818474][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.818480][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.818481][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.818486][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.818490][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.818495][  T203]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.818497][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.818503][  T203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.818506][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.818509][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   26.818512][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.818513][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.818517][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.818519][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.818524][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.818528][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.818534][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.818537][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.818541][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.818545][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.818547][  T203]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   26.818551][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.818552][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.818556][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.818561][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.818563][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.818568][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.818571][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.818573][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.818574][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   26.818578][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.818580][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.818583][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.818586][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.818587][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.818589][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   26.818594][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   26.818599][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   26.818605][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.818607][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.818610][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   26.818613][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   26.818616][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.818618][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.818620][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.818621][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.818623][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.818626][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   26.818633][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.818636][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   26.818638][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.818641][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.818644][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.818647][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.818650][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   26.818653][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   26.818656][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   26.818659][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.818661][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   26.818667][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.818670][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.818673][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.818674][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.818676][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.818678][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.818680][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.818684][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.818686][  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))
[   26.818688][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   26.818691][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.818693][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   26.818696][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.818698][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.818699][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.818700][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.818702][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.818704][  T203]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   26.818707][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.818709][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   26.818711][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.818714][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.818715][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.818718][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.818722][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.818729][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   26.818732][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.818734][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.818757][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.818759][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.818762][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.818764][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.818766][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.818770][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.818772][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.818774][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.818776][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.818780][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.818782][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.818785][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.818786][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.818791][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.818793][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.818796][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.818799][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.818802][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.818809][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.818811][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.818816][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.818820][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.818823][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.818827][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.818831][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.818832][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.818835][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.818840][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.818843][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   26.818847][  T203]  __sys_sendto (net/socket.c:2281)
[   26.818850][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   26.818861][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   26.818866][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   26.818869][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.818872][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.818874][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   26.818877][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.818879][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.818881][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.818883][  T203] RIP: 0033:0x7f597c8b854e
[   26.818887][  T203] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.818889][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   26.818891][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   26.818893][  T203] RDX: 0000000000000030 RSI: 000055ade09b5e80 RDI: 0000000000000016
[   26.818894][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   26.818894][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b7cbd0
[   26.818895][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   28.258693][  T203] softirqs last disabled at (3707520): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   28.258695][  T203] Preemption disabled at:
| [   28.258696][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.258705][  T203] Tainted: [W]=WARN
[   28.258705][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.258707][  T203] Call Trace:
[   28.258709][  T203]  <TASK>
[   28.258710][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.258716][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.258717][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.258722][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.258726][  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)
[   28.258731][  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))
[   28.258732][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.258739][  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)
[   28.258742][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.258745][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   28.258748][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.258749][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.258752][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.258755][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.258760][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.258764][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.258769][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.258772][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.258777][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.258781][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.258783][  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))
[   28.258786][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.258788][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.258792][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.258796][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.258798][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.258803][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.258806][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.258808][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.258810][  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)
[   28.258813][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.258815][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.258818][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.258821][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.258822][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.258825][  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))
[   28.258830][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   28.258835][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   28.258840][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.258842][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.258846][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   28.258848][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   28.258851][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.258853][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.258855][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.258856][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.258858][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.258862][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   28.258868][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.258871][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   28.258874][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.258876][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.258879][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.258882][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.258885][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   28.258888][  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))
[   28.258891][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   28.258894][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.258897][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.258902][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.258905][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.258908][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.258909][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.258911][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.258913][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.258915][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.258919][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.258921][  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))
[   28.258923][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   28.258926][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.258928][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   28.258931][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.258933][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.258934][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.258935][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.258937][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.258940][  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)
[   28.258942][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.258944][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   28.258946][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.258949][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.258950][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.258953][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.258957][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.258964][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   28.258967][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   28.258969][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.258992][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.258994][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.258996][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.258998][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.259000][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.259005][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.259007][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.259009][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   28.259010][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.259014][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   28.259016][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.259019][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.259021][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.259025][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.259027][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.259031][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.259034][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.259037][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.259043][  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))
[   28.259045][  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))
[   28.259050][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.259054][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.259058][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.259061][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.259065][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.259067][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.259069][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.259074][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   28.259077][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   28.259081][  T203]  __sys_sendto (net/socket.c:2281)
[   28.259084][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   28.259095][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   28.259100][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   28.259102][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.259112][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.259114][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   28.259116][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.259118][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.259121][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.259123][  T203] RIP: 0033:0x7f597c8b854e
[   28.259127][  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
[   28.259128][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   28.259131][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   28.259132][  T203] RDX: 0000000000000030 RSI: 000055ade0b51670 RDI: 0000000000000016
[   28.259133][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   28.259134][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b809a0
[   28.259135][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   29.571853][  T203] softirqs last disabled at (3953192): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   29.571856][  T203] Preemption disabled at:
| [   29.571857][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.571865][  T203] Tainted: [W]=WARN
[   29.571866][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.571867][  T203] Call Trace:
[   29.571869][  T203]  <TASK>
[   29.571871][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.571876][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.571878][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.571883][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.571887][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.571892][  T203]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.571894][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.571900][  T203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.571903][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.571906][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   29.571909][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.571910][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.571914][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.571916][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.571921][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.571925][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.571930][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.571933][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.571938][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.571942][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.571943][  T203]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   29.571947][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.571948][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.571952][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.571956][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.571958][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.571964][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.571967][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.571968][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.571970][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   29.571974][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.571975][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.571978][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.571981][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.571983][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.571985][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   29.571989][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   29.571995][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   29.572000][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.572002][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.572005][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   29.572008][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   29.572011][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.572013][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.572015][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.572016][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.572018][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.572022][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   29.572028][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.572031][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   29.572034][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.572037][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.572039][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.572042][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.572045][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   29.572048][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   29.572051][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   29.572054][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.572056][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.572062][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.572065][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.572068][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.572069][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.572071][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.572073][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.572074][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.572079][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.572081][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   29.572082][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   29.572086][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.572088][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   29.572090][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.572092][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.572094][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.572095][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.572096][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.572099][  T203]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   29.572101][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.572103][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   29.572105][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.572108][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.572109][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.572112][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.572122][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.572131][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   29.572134][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   29.572135][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.572157][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.572159][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.572162][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.572164][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.572166][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.572170][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.572172][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.572174][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   29.572176][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.572179][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   29.572181][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.572184][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.572186][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.572190][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.572192][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.572195][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.572198][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.572201][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.572207][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.572209][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.572214][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.572218][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.572221][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.572225][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.572229][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.572230][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.572233][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.572238][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   29.572240][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   29.572244][  T203]  __sys_sendto (net/socket.c:2281)
[   29.572247][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   29.572257][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   29.572263][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   29.572265][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.572268][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.572270][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   29.572273][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.572274][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.572277][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.572279][  T203] RIP: 0033:0x7f597c8b854e
[   29.572283][  T203] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.572284][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   29.572287][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   29.572288][  T203] RDX: 0000000000000030 RSI: 000055ade0b556c0 RDI: 0000000000000016
[   29.572289][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   29.572290][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b83690
[   29.572291][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   30.574132][  T203] softirqs last disabled at (4166720): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   30.574134][  T203] Preemption disabled at:
| [   30.574135][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.574144][  T203] Tainted: [W]=WARN
[   30.574145][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.574147][  T203] Call Trace:
[   30.574149][  T203]  <TASK>
[   30.574150][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.574156][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.574158][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.574162][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.574167][  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)
[   30.574173][  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))
[   30.574175][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.574181][  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)
[   30.574184][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.574187][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   30.574190][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.574191][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.574195][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.574197][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.574202][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.574206][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.574211][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.574214][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.574219][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.574223][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.574225][  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))
[   30.574228][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.574230][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.574234][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.574238][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.574240][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.574245][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.574248][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.574250][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.574252][  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)
[   30.574255][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.574257][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.574260][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.574263][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.574264][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.574266][  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))
[   30.574271][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   30.574277][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   30.574282][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.574284][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.574287][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   30.574290][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   30.574293][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.574295][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.574297][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.574298][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.574300][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.574304][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   30.574311][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.574314][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   30.574317][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.574320][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.574322][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.574326][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.574328][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   30.574331][  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))
[   30.574334][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   30.574337][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.574340][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   30.574345][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.574348][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.574351][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.574353][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.574354][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.574356][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.574358][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.574363][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.574364][  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))
[   30.574366][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   30.574370][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.574372][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   30.574374][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.574376][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.574377][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.574378][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.574380][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.574382][  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)
[   30.574385][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.574387][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   30.574389][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.574392][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.574393][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.574397][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.574400][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.574407][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   30.574410][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.574411][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.574434][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.574436][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.574438][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.574440][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.574442][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.574447][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.574449][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.574451][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.574452][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.574456][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.574458][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.574461][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.574463][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.574467][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.574469][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.574473][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.574476][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.574478][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.574485][  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))
[   30.574487][  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))
[   30.574491][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.574495][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.574499][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.574503][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.574506][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.574508][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.574511][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.574516][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   30.574518][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   30.574522][  T203]  __sys_sendto (net/socket.c:2281)
[   30.574525][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   30.574539][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   30.574541][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.574545][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.574547][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   30.574550][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.574552][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.574554][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.574556][  T203] RIP: 0033:0x7f597c8b854e
[   30.574560][  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
[   30.574562][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   30.574564][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   30.574566][  T203] RDX: 0000000000000030 RSI: 000055ade0b723a0 RDI: 0000000000000016
[   30.574566][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   30.574567][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b86250
[   30.574568][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   31.649761][  T203] softirqs last disabled at (4386912): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   31.649763][  T203] Preemption disabled at:
| [   31.649764][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.649772][  T203] Tainted: [W]=WARN
[   31.649773][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.649775][  T203] Call Trace:
[   31.649776][  T203]  <TASK>
[   31.649778][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.649784][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.649785][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.649790][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.649794][  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)
[   31.649799][  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))
[   31.649800][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.649807][  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)
[   31.649809][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.649813][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   31.649815][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.649816][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.649820][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.649823][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.649828][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.649831][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.649837][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.649840][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.649844][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.649848][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.649850][  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))
[   31.649853][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.649855][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.649859][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.649863][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.649865][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.649870][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.649873][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.649875][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.649877][  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)
[   31.649880][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.649882][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.649885][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.649888][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.649889][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.649891][  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))
[   31.649896][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   31.649902][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   31.649907][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.649909][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.649912][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   31.649915][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   31.649918][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.649920][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.649921][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.649923][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.649925][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.649928][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   31.649935][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.649938][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   31.649940][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.649943][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.649946][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.649949][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.649951][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   31.649954][  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))
[   31.649958][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   31.649961][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.649963][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.649969][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.649972][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.649975][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.649976][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.649978][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.649980][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.649982][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.649986][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.649988][  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))
[   31.649990][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   31.649993][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.649995][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   31.649998][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.650000][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.650001][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.650002][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.650004][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.650006][  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)
[   31.650009][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.650011][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   31.650013][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.650016][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.650017][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.650021][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.650024][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.650031][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   31.650034][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   31.650036][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.650059][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.650060][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.650063][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.650065][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.650067][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.650072][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.650074][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.650075][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   31.650077][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.650081][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   31.650083][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.650086][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.650087][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.650092][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.650094][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.650097][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.650100][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.650103][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.650110][  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))
[   31.650112][  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))
[   31.650116][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.650120][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.650124][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.650133][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.650138][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.650139][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.650142][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.650147][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   31.650149][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   31.650153][  T203]  __sys_sendto (net/socket.c:2281)
[   31.650156][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   31.650172][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   31.650174][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.650178][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   31.650180][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   31.650183][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.650185][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.650187][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.650189][  T203] RIP: 0033:0x7f597c8b854e
[   31.650193][  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
[   31.650195][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   31.650197][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   31.650199][  T203] RDX: 0000000000000030 RSI: 000055ade0b83a70 RDI: 0000000000000016
[   31.650200][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   31.650200][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b893a0
[   31.650201][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   32.660730][  T203] softirqs last disabled at (4620514): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   32.660733][  T203] Preemption disabled at:
| [   32.660733][  T203] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.660743][  T203] Tainted: [W]=WARN
[   32.660744][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.660745][  T203] Call Trace:
[   32.660747][  T203]  <TASK>
[   32.660749][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.660754][  T203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.660756][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.660761][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.660765][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.660770][  T203]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   32.660772][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.660778][  T203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.660781][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.660785][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[   32.660787][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.660789][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.660792][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.660795][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.660801][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.660805][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.660810][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.660813][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.660818][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.660822][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.660824][  T203]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   32.660827][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.660829][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.660833][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.660838][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.660840][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.660845][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.660848][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.660850][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.660852][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   32.660856][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.660857][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.660860][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.660864][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.660870][  T203]  dev_vprintk_emit (drivers/base/core.c:5000)
[   32.660875][  T203]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   32.660880][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.660883][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.660886][  T203]  dev_printk_emit (drivers/base/core.c:5011)
[   32.660889][  T203]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   32.660892][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.660894][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.660896][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.660898][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.660899][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.660903][  T203]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   32.660909][  T203]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.660912][  T203]  ? netdev_notice (net/core/dev.c:13194)
[   32.660915][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.660918][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.660921][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.660924][  T203]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.660927][  T203]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   32.660930][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   32.660933][  T203]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   32.660936][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.660939][  T203]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.660945][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.660948][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.660951][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.660952][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.660954][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.660956][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.660958][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.660963][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.660965][  T203]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   32.660966][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   32.660970][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.660972][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   32.660975][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.660977][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.660978][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.660979][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.660981][  T203]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.660983][  T203]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   32.660986][  T203]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.660988][  T203]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   32.660990][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.660993][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.660994][  T203]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.660998][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.661001][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.661009][  T203]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   32.661012][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   32.661014][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.661037][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.661039][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.661042][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.661044][  T203]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.661046][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.661051][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.661053][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.661055][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   32.661056][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.661060][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   32.661062][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.661066][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.661067][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.661072][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.661074][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.661077][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.661080][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.661083][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.661090][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.661092][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.661097][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.661101][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.661105][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.661108][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.661112][  T203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.661114][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.661117][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.661122][  T203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   32.661125][  T203]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   32.661128][  T203]  __sys_sendto (net/socket.c:2281)
[   32.661131][  T203]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   32.661148][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   32.661153][  T203]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   32.661156][  T203]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.661159][  T203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   32.661161][  T203]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   32.661164][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.661166][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.661170][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.661173][  T203] RIP: 0033:0x7f597c8b854e
[   32.661176][  T203] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.661178][  T203] RSP: 002b:00007ffef180a070 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   32.661181][  T203] RAX: ffffffffffffffda RBX: 000055ade0b44bf0 RCX: 00007f597c8b854e
[   32.661182][  T203] RDX: 0000000000000030 RSI: 000055ade0b83a50 RDI: 0000000000000016
[   32.661183][  T203] RBP: 00007ffef180a080 R08: 00007ffef180a0d0 R09: 0000000000000080
[   32.661184][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ade0b8cae0
[   32.661185][  T203] R13: 00007ffef180a1b4 R14: 0000000000000000 R15: 0000000000000000
| [   33.720383][  T892] softirqs last disabled at (15640): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   33.720385][  T892] Preemption disabled at:
| [   33.720385][  T892] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.720394][  T892] Tainted: [W]=WARN
[   33.720395][  T892] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.720396][  T892] Call Trace:
[   33.720398][  T892]  <TASK>
[   33.720399][  T892]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.720405][  T892]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.720407][  T892]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.720411][  T892]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.720416][  T892]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.720420][  T892]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   33.720422][  T892]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.720429][  T892]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.720431][  T892]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.720435][  T892]  put_chars (drivers/char/virtio_console.c:1176)
[   33.720437][  T892]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.720440][  T892]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.720443][  T892]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.720446][  T892]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.720450][  T892]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.720454][  T892]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.720456][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.720458][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.720462][  T892]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.720464][  T892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.720468][  T892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.720472][  T892]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.720476][  T892]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.720478][  T892]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   33.720481][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.720483][  T892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.720487][  T892]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.720491][  T892]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.720493][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.720498][  T892]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.720501][  T892]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.720503][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.720505][  T892]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   33.720509][  T892]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.720510][  T892]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.720513][  T892]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.720516][  T892]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.720519][  T892]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   33.720523][  T892]  _printk (kernel/printk/printk.c:2504)
[   33.720527][  T892]  ? snapshot_read.cold (user.c:?)
[   33.720530][  T892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.720532][  T892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.720535][  T892]  ? 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)
[   33.720539][  T892]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   33.720544][  T892]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   33.720549][  T892]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   33.720553][  T892]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   33.720559][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.720561][  T892]  notifier_call_chain (kernel/notifier.c:85)
[   33.720565][  T892]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   33.720570][  T892]  ? netif_change_name (net/core/dev.c:1517)
[   33.720574][  T892]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   33.720578][  T892]  ? write_profile (profile.c:?)
[   33.720583][  T892]  netif_change_flags (net/core/dev.c:9882)
[   33.720587][  T892]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   33.720590][  T892]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   33.720592][  T892]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.720594][  T892]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.720595][  T892]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.720599][  T892]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.720601][  T892]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.720603][  T892]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.720605][  T892]  ? kasan_save_stack (mm/kasan/common.c:58)
[   33.720607][  T892]  ? kasan_save_stack (mm/kasan/common.c:57)
[   33.720608][  T892]  ? kasan_save_track (mm/kasan/common.c:78)
[   33.720610][  T892]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   33.720612][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.720614][  T892]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   33.720617][  T892]  ? ___sys_sendmsg (net/socket.c:2758)
[   33.720621][  T892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.720623][  T892]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.720625][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.720627][  T892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.720629][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.720630][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.720631][  T892]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.720634][  T892]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   33.720636][  T892]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.720638][  T892]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.720641][  T892]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.720645][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.720647][  T892]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   33.720653][  T892]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   33.720658][  T892]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.720660][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.720664][  T892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.720666][  T892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.720668][  T892]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.720670][  T892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.720674][  T892]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.720676][  T892]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.720679][  T892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.720680][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.720685][  T892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.720687][  T892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.720690][  T892]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.720692][  T892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.720695][  T892]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.720702][  T892]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   33.720704][  T892]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   33.720708][  T892]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.720712][  T892]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.720715][  T892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.720719][  T892]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.720723][  T892]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.720727][  T892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.720729][  T892]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   33.720734][  T892]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   33.720737][  T892]  ____sys_sendmsg (net/socket.c:2713)
[   33.720739][  T892]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.720742][  T892]  ? sock_write_iter (net/socket.c:1269)
[   33.720743][  T892]  ? move_addr_to_kernel (net/socket.c:258)
[   33.720751][  T892]  ___sys_sendmsg (net/socket.c:2767)
[   33.720753][  T892]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.720770][  T892]  __sys_sendmsg (net/socket.c:2799)
[   33.720772][  T892]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.720779][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.720782][  T892]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.720785][  T892]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.720788][  T892]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.720790][  T892] RIP: 0033:0x7f5e9803854e
[   33.720793][  T892] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.720795][  T892] RSP: 002b:00007ffe7e1df110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.720798][  T892] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5e9803854e
[   33.720799][  T892] RDX: 0000000000000000 RSI: 00007ffe7e1df1c0 RDI: 0000000000000003
[   33.720800][  T892] RBP: 00007ffe7e1df120 R08: 0000000000000000 R09: 0000000000000000
[   33.720801][  T892] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f3f2
[   33.720801][  T892] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7e1df880
| [   34.730597][  T923] softirqs last disabled at (12230): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   34.730599][  T923] Preemption disabled at:
| [   34.730600][  T923] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.730609][  T923] Tainted: [W]=WARN
[   34.730610][  T923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.730611][  T923] Call Trace:
[   34.730613][  T923]  <TASK>
[   34.730614][  T923]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.730620][  T923]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.730621][  T923]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.730626][  T923]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.730630][  T923]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.730634][  T923]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   34.730636][  T923]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.730642][  T923]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   34.730645][  T923]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.730649][  T923]  put_chars (drivers/char/virtio_console.c:1176)
[   34.730651][  T923]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.730654][  T923]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.730657][  T923]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.730659][  T923]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.730663][  T923]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.730667][  T923]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.730669][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.730670][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.730674][  T923]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.730676][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.730680][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.730684][  T923]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.730688][  T923]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.730690][  T923]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   34.730693][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.730695][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.730699][  T923]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.730703][  T923]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.730705][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.730710][  T923]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.730713][  T923]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.730715][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.730717][  T923]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   34.730720][  T923]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.730722][  T923]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.730725][  T923]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.730728][  T923]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.730730][  T923]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   34.730734][  T923]  _printk (kernel/printk/printk.c:2504)
[   34.730738][  T923]  ? snapshot_read.cold (user.c:?)
[   34.730741][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.730743][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.730746][  T923]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   34.730750][  T923]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   34.730754][  T923]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   34.730759][  T923]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   34.730762][  T923]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   34.730768][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.730770][  T923]  notifier_call_chain (kernel/notifier.c:85)
[   34.730774][  T923]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   34.730779][  T923]  ? netif_change_name (net/core/dev.c:1517)
[   34.730783][  T923]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.730786][  T923]  ? write_profile (profile.c:?)
[   34.730791][  T923]  netif_change_flags (net/core/dev.c:9882)
[   34.730795][  T923]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   34.730798][  T923]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   34.730800][  T923]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   34.730802][  T923]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.730804][  T923]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.730807][  T923]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.730809][  T923]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.730811][  T923]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.730813][  T923]  ? kasan_save_stack (mm/kasan/common.c:58)
[   34.730815][  T923]  ? kasan_save_stack (mm/kasan/common.c:57)
[   34.730816][  T923]  ? kasan_save_track (mm/kasan/common.c:78)
[   34.730818][  T923]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   34.730820][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.730822][  T923]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   34.730825][  T923]  ? ___sys_sendmsg (net/socket.c:2758)
[   34.730828][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.730830][  T923]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.730833][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.730834][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.730836][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.730837][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.730839][  T923]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   34.730841][  T923]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   34.730843][  T923]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   34.730845][  T923]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.730849][  T923]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.730852][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.730854][  T923]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   34.730859][  T923]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   34.730865][  T923]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.730866][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.730871][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.730873][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.730875][  T923]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.730876][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.730880][  T923]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.730882][  T923]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.730885][  T923]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.730887][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.730891][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.730893][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.730896][  T923]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.730898][  T923]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.730901][  T923]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.730907][  T923]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.730910][  T923]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.730914][  T923]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.730918][  T923]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.730920][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.730925][  T923]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.730929][  T923]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.730932][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.730934][  T923]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   34.730939][  T923]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   34.730942][  T923]  ____sys_sendmsg (net/socket.c:2713)
[   34.730944][  T923]  ? copy_msghdr_from_user (net/socket.c:2650)
[   34.730946][  T923]  ? sock_write_iter (net/socket.c:1269)
[   34.730948][  T923]  ? move_addr_to_kernel (net/socket.c:258)
[   34.730955][  T923]  ___sys_sendmsg (net/socket.c:2767)
[   34.730958][  T923]  ? copy_msghdr_from_user (net/socket.c:2619)
[   34.730973][  T923]  __sys_sendmsg (net/socket.c:2799)
[   34.730976][  T923]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   34.730982][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.730985][  T923]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.730988][  T923]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.730991][  T923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.730993][  T923] RIP: 0033:0x7fa47c65654e
[   34.730997][  T923] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.730998][  T923] RSP: 002b:00007ffee535d9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.731001][  T923] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa47c65654e
[   34.731002][  T923] RDX: 0000000000000000 RSI: 00007ffee535da60 RDI: 0000000000000003
[   34.731003][  T923] RBP: 00007ffee535d9c0 R08: 0000000000000000 R09: 0000000000000000
[   34.731004][  T923] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f3f3


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