======================================
| [   10.732993][  T197] softirqs last disabled at (36540): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.732995][  T197] Preemption disabled at:
| [   10.732996][  T197] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.733005][  T197] Tainted: [W]=WARN
[   10.733006][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.733007][  T197] Call Trace:
[   10.733009][  T197]  <TASK>
[   10.733010][  T197]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.733016][  T197]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.733018][  T197]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.733022][  T197]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.733026][  T197]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.733031][  T197]  __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))
[   10.733033][  T197]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.733039][  T197]  ? 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)
[   10.733042][  T197]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.733045][  T197]  put_chars (drivers/char/virtio_console.c:1176)
[   10.733048][  T197]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.733051][  T197]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.733056][  T197]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.733060][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.733065][  T197]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.733068][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.733073][  T197]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.733077][  T197]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.733079][  T197]  ? 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))
[   10.733082][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.733084][  T197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.733088][  T197]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.733092][  T197]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.733094][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.733099][  T197]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.733102][  T197]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.733103][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.733105][  T197]  ? 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)
[   10.733109][  T197]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.733110][  T197]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.733113][  T197]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.733116][  T197]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.733117][  T197]  ? __kernel_text_address (kernel/extable.c:79)
[   10.733120][  T197]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.733123][  T197]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   10.733129][  T197]  dev_vprintk_emit (drivers/base/core.c:5000)
[   10.733133][  T197]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   10.733142][  T197]  dev_printk_emit (drivers/base/core.c:5011)
[   10.733145][  T197]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   10.733148][  T197]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   10.733154][  T197]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   10.733160][  T197]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.733162][  T197]  ? netdev_notice (net/core/dev.c:13194)
[   10.733165][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.733168][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.733171][  T197]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.733174][  T197]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.733176][  T197]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.733179][  T197]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   10.733182][  T197]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.733185][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.733188][  T197]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.733194][  T197]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.733196][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.733199][  T197]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.733200][  T197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.733202][  T197]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.733204][  T197]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.733207][  T197]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.733212][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.733213][  T197]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   10.733215][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   10.733219][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.733220][  T197]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.733223][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.733225][  T197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.733226][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.733227][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.733229][  T197]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.733231][  T197]  ? __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)
[   10.733234][  T197]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.733236][  T197]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.733238][  T197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.733240][  T197]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.733242][  T197]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.733245][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.733248][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.733256][  T197]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   10.733259][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.733260][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.733283][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.733285][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.733288][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.733289][  T197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.733291][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.733296][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.733298][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.733300][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.733301][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.733305][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.733307][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.733310][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.733311][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.733316][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.733318][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.733321][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.733324][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.733327][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.733334][  T197]  ? 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))
[   10.733336][  T197]  ? 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))
[   10.733340][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.733344][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.733348][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.733351][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.733355][  T197]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.733357][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.733359][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.733364][  T197]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.733367][  T197]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   10.733370][  T197]  __sys_sendto (net/socket.c:2281)
[   10.733373][  T197]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   10.733388][  T197]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   10.733390][  T197]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.733393][  T197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.733396][  T197]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.733399][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.733401][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.733403][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.733405][  T197] RIP: 0033:0x7f74b44cd54e
[   10.733409][  T197] 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
[   10.733411][  T197] RSP: 002b:00007ffcac1cec50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.733413][  T197] RAX: ffffffffffffffda RBX: 000055947e12fbd0 RCX: 00007f74b44cd54e
[   10.733414][  T197] RDX: 0000000000000030 RSI: 000055947e149f10 RDI: 0000000000000014
[   10.733415][  T197] RBP: 00007ffcac1cec60 R08: 00007ffcac1cecb0 R09: 0000000000000080
[   10.733416][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000055947e29ef20
[   10.733417][  T197] R13: 00007ffcac1ced94 R14: 0000000000000000 R15: 0000000000000000
| [   12.946269][  T197] softirqs last disabled at (112570): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.946271][  T197] Preemption disabled at:
| [   12.946272][  T197] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.946280][  T197] Tainted: [W]=WARN
[   12.946281][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.946283][  T197] Call Trace:
[   12.946285][  T197]  <TASK>
[   12.946286][  T197]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.946292][  T197]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.946294][  T197]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.946298][  T197]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.946302][  T197]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.946307][  T197]  __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))
[   12.946309][  T197]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.946315][  T197]  ? 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)
[   12.946318][  T197]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.946322][  T197]  put_chars (drivers/char/virtio_console.c:1176)
[   12.946324][  T197]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.946325][  T197]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.946329][  T197]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.946332][  T197]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.946337][  T197]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.946341][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.946346][  T197]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.946349][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.946354][  T197]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.946358][  T197]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.946360][  T197]  ? 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))
[   12.946363][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.946365][  T197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.946369][  T197]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.946373][  T197]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.946375][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.946380][  T197]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.946383][  T197]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.946385][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.946386][  T197]  ? 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)
[   12.946390][  T197]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.946392][  T197]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.946394][  T197]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.946398][  T197]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.946399][  T197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.946401][  T197]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.946407][  T197]  dev_vprintk_emit (drivers/base/core.c:5000)
[   12.946412][  T197]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   12.946417][  T197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.946419][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.946423][  T197]  dev_printk_emit (drivers/base/core.c:5011)
[   12.946425][  T197]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   12.946428][  T197]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.946431][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.946432][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.946434][  T197]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.946436][  T197]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.946439][  T197]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   12.946445][  T197]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.946448][  T197]  ? netdev_notice (net/core/dev.c:13194)
[   12.946451][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.946454][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.946456][  T197]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.946460][  T197]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.946462][  T197]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.946465][  T197]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.946468][  T197]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.946471][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.946474][  T197]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.946479][  T197]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.946482][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.946485][  T197]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.946486][  T197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.946488][  T197]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.946490][  T197]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.946492][  T197]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.946496][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.946498][  T197]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.946500][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   12.946503][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.946505][  T197]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.946508][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.946510][  T197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.946511][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.946513][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.946514][  T197]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.946517][  T197]  ? __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)
[   12.946519][  T197]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.946521][  T197]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.946523][  T197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.946526][  T197]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.946527][  T197]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.946531][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.946534][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.946542][  T197]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   12.946545][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.946546][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.946569][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.946571][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.946574][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.946576][  T197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.946578][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.946583][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.946584][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.946586][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.946588][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.946592][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.946594][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.946597][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.946598][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.946603][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.946605][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.946608][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.946611][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.946614][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.946621][  T197]  ? 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))
[   12.946623][  T197]  ? 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))
[   12.946627][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.946631][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.946635][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.946638][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.946642][  T197]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.946644][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.946647][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.946651][  T197]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.946654][  T197]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   12.946658][  T197]  __sys_sendto (net/socket.c:2281)
[   12.946661][  T197]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.946675][  T197]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.946677][  T197]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.946681][  T197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.946684][  T197]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.946686][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.946688][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.946691][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.946693][  T197] RIP: 0033:0x7f74b44cd54e
[   12.946697][  T197] 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
[   12.946698][  T197] RSP: 002b:00007ffcac1cec50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.946701][  T197] RAX: ffffffffffffffda RBX: 000055947e12fbd0 RCX: 00007f74b44cd54e
[   12.946702][  T197] RDX: 0000000000000030 RSI: 000055947e13fa10 RDI: 0000000000000014
[   12.946703][  T197] RBP: 00007ffcac1cec60 R08: 00007ffcac1cecb0 R09: 0000000000000080
[   12.946703][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000055947e29ef20
[   12.946704][  T197] R13: 00007ffcac1ced94 R14: 0000000000000000 R15: 0000000000000000
| [   18.296992][  T197] softirqs last disabled at (160684): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   18.296995][  T197] Preemption disabled at:
| [   18.296995][  T197] 0x0
| [   18.297006][  T197] Tainted: [W]=WARN
[   18.297007][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.297008][  T197] Call Trace:
[   18.297010][  T197]  <TASK>
[   18.297011][  T197]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.297018][  T197]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.297022][  T197]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.297026][  T197]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.297031][  T197]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.297032][  T197]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.297039][  T197]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.297042][  T197]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.297045][  T197]  put_chars (drivers/char/virtio_console.c:1176)
[   18.297048][  T197]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.297049][  T197]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.297052][  T197]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.297057][  T197]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.297065][  T197]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.297067][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.297069][  T197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.297073][  T197]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.297077][  T197]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.297079][  T197]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.297082][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.297084][  T197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.297087][  T197]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.297091][  T197]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.297093][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.297098][  T197]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.297101][  T197]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.297103][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.297105][  T197]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   18.297108][  T197]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.297110][  T197]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.297113][  T197]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.297116][  T197]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.297118][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.297122][  T197]  _printk (kernel/printk/printk.c:2504)
[   18.297126][  T197]  ? snapshot_read.cold (user.c:?)
[   18.297128][  T197]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   18.297131][  T197]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.297135][  T197]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   18.297138][  T197]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   18.297142][  T197]  ? exit_notify (kernel/exit.c:780)
[   18.297143][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.297146][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.297149][  T197]  do_group_exit (kernel/exit.c:1151)
[   18.297152][  T197]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   18.297154][  T197]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   18.297156][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.297160][  T197]  ? irq_exit_rcu (kernel/softirq.c:786)
[   18.297163][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.297165][  T197] RIP: 0033:0x7f74b451e1b8
[   18.297167][  T197] Code: Unable to access opcode bytes at 0x7f74b451e18e.

Code starting with the faulting instruction
===========================================
[   18.297168][  T197] RSP: 002b:00007ffcac1cf1a8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7
[   18.297170][  T197] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f74b451e1b8
[   18.297172][  T197] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000
[   18.297173][  T197] RBP: 00007ffcac1cf330 R08: 000055947e2c9378 R09: 0000000000000000
[   18.297173][  T197] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000
[   18.297174][  T197] R13: 00007f74b3d7c050 R14: 00007f74b4a4fd9e R15: 000055947e145050
| [   19.380768][  T447] softirqs last disabled at (15356): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   19.380770][  T447] Preemption disabled at:
| [   19.380771][  T447] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.380780][  T447] Tainted: [W]=WARN
[   19.380780][  T447] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.380782][  T447] Call Trace:
[   19.380784][  T447]  <TASK>
[   19.380786][  T447]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.380792][  T447]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.380793][  T447]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.380798][  T447]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.380802][  T447]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.380806][  T447]  __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))
[   19.380808][  T447]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.380815][  T447]  ? 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)
[   19.380817][  T447]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.380821][  T447]  put_chars (drivers/char/virtio_console.c:1176)
[   19.380824][  T447]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.380828][  T447]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   19.380832][  T447]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.380836][  T447]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.380842][  T447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.380844][  T447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.380848][  T447]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.380850][  T447]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   19.380854][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.380856][  T447]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.380860][  T447]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.380864][  T447]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.380866][  T447]  ? 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))
[   19.380870][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.380871][  T447]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.380875][  T447]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.380879][  T447]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.380881][  T447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.380887][  T447]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.380890][  T447]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.380892][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.380893][  T447]  ? 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)
[   19.380897][  T447]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.380899][  T447]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.380902][  T447]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.380905][  T447]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.380908][  T447]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.380913][  T447]  dev_vprintk_emit (drivers/base/core.c:5000)
[   19.380918][  T447]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   19.380920][  T447]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   19.380925][  T447]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.380928][  T447]  ? __kernel_text_address (kernel/extable.c:79)
[   19.380930][  T447]  ? write_profile (profile.c:?)
[   19.380933][  T447]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   19.380938][  T447]  dev_printk_emit (drivers/base/core.c:5011)
[   19.380940][  T447]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   19.380943][  T447]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.380946][  T447]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.380949][  T447]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.380953][  T447]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   19.380959][  T447]  netdev_err (net/core/dev.c:13192 (discriminator 3))
[   19.380964][  T447]  ? netdev_crit (net/core/dev.c:13191)
[   19.380972][  T447]  __netdev_update_features.cold (net/core/dev.c:11093)
[   19.380976][  T447]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:30 (discriminator 1))
[   19.380979][  T447]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.380983][  T447]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.380990][  T447]  ethnl_set_features (net/ethtool/features.c:263)
[   19.380993][  T447]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.380997][  T447]  ? features_send_reply (./include/net/net_namespace.h:422 (discriminator 7))
[   19.381000][  T447]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.381001][  T447]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   19.381006][  T447]  ? __nla_validate_parse (lib/nlattr.c:635)
[   19.381011][  T447]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   19.381015][  T447]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   19.381019][  T447]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   19.381021][  T447]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.381028][  T447]  ? security_capable (security/security.c:660 (discriminator 11))
[   19.381032][  T447]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   19.381036][  T447]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   19.381039][  T447]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.381040][  T447]  ? features_send_reply (./include/net/net_namespace.h:422 (discriminator 7))
[   19.381043][  T447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.381048][  T447]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   19.381051][  T447]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.381053][  T447]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   19.381057][  T447]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.381064][  T447]  ? 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))
[   19.381066][  T447]  ? 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))
[   19.381070][  T447]  genl_rcv (net/netlink/genetlink.c:1218)
[   19.381072][  T447]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.381076][  T447]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.381080][  T447]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.381083][  T447]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.381087][  T447]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.381089][  T447]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.381092][  T447]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.381097][  T447]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   19.381099][  T447]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   19.381103][  T447]  __sys_sendto (net/socket.c:2281)
[   19.381106][  T447]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   19.381120][  T447]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   19.381123][  T447]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.381126][  T447]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.381127][  T447]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   19.381130][  T447]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.381132][  T447]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.381134][  T447]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.381137][  T447] RIP: 0033:0x7f390cc6754e
[   19.381140][  T447] 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
[   19.381142][  T447] RSP: 002b:00007ffcaff90970 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   19.381145][  T447] RAX: ffffffffffffffda RBX: 000000002a8d3010 RCX: 00007f390cc6754e
[   19.381146][  T447] RDX: 0000000000000050 RSI: 000000002a8d3120 RDI: 0000000000000003
[   19.381147][  T447] RBP: 00007ffcaff90980 R08: 00007f390cdf4980 R09: 000000000000000c
[   19.381148][  T447] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002a8d30b0
[   19.381149][  T447] R13: 00000000004d6020 R14: 000000000000002d R15: 00000000004d4de0
| [   22.163643][  T459] softirqs last disabled at (113854): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.163645][  T459] Preemption disabled at:
| [   22.163646][  T459] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.163654][  T459] Tainted: [W]=WARN
[   22.163655][  T459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.163656][  T459] Call Trace:
[   22.163658][  T459]  <TASK>
[   22.163659][  T459]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.163665][  T459]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.163667][  T459]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.163671][  T459]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.163675][  T459]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.163680][  T459]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.163682][  T459]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.163688][  T459]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.163691][  T459]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.163695][  T459]  put_chars (drivers/char/virtio_console.c:1176)
[   22.163697][  T459]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.163698][  T459]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.163702][  T459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.163705][  T459]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.163710][  T459]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.163713][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.163719][  T459]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.163722][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.163727][  T459]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.163731][  T459]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.163732][  T459]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.163736][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.163737][  T459]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.163741][  T459]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.163746][  T459]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.163748][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.163753][  T459]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.163756][  T459]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.163758][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.163759][  T459]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   22.163763][  T459]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.163765][  T459]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.163768][  T459]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.163771][  T459]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.163772][  T459]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.163774][  T459]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   22.163780][  T459]  dev_vprintk_emit (drivers/base/core.c:5000)
[   22.163785][  T459]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   22.163790][  T459]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.163792][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.163796][  T459]  dev_printk_emit (drivers/base/core.c:5011)
[   22.163798][  T459]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   22.163801][  T459]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.163803][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.163805][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.163807][  T459]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.163808][  T459]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.163812][  T459]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   22.163818][  T459]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.163821][  T459]  ? netdev_notice (net/core/dev.c:13194)
[   22.163824][  T459]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.163826][  T459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.163829][  T459]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.163832][  T459]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.163835][  T459]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.163838][  T459]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   22.163841][  T459]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.163844][  T459]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.163847][  T459]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.163852][  T459]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.163855][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.163864][  T459]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.163865][  T459]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.163867][  T459]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.163869][  T459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.163871][  T459]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.163876][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.163878][  T459]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   22.163879][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   22.163883][  T459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.163885][  T459]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   22.163887][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.163889][  T459]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.163891][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.163892][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.163893][  T459]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.163896][  T459]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   22.163898][  T459]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.163900][  T459]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   22.163902][  T459]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.163905][  T459]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.163906][  T459]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.163910][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.163913][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.163921][  T459]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   22.163924][  T459]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   22.163925][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.163949][  T459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.163950][  T459]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.163953][  T459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.163955][  T459]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.163957][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.163965][  T459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.163967][  T459]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.163969][  T459]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   22.163971][  T459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.163975][  T459]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   22.163977][  T459]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.163980][  T459]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.163981][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.163986][  T459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.163987][  T459]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.163991][  T459]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.163994][  T459]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.163997][  T459]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.164003][  T459]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.164005][  T459]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.164010][  T459]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.164014][  T459]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.164017][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.164021][  T459]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.164025][  T459]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.164026][  T459]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.164029][  T459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.164034][  T459]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.164037][  T459]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   22.164040][  T459]  __sys_sendto (net/socket.c:2281)
[   22.164043][  T459]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   22.164057][  T459]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   22.164059][  T459]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.164063][  T459]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.164065][  T459]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   22.164068][  T459]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.164069][  T459]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.164072][  T459]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.164074][  T459] RIP: 0033:0x7f74b44cd54e
[   22.164078][  T459] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.164080][  T459] RSP: 002b:00007ffcac1cec50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   22.164082][  T459] RAX: ffffffffffffffda RBX: 000055947e12e720 RCX: 00007f74b44cd54e
[   22.164084][  T459] RDX: 0000000000000030 RSI: 000055947e2bd8b0 RDI: 0000000000000014
[   22.164084][  T459] RBP: 00007ffcac1cec60 R08: 00007ffcac1cecb0 R09: 0000000000000080
[   22.164085][  T459] R10: 0000000000000000 R11: 0000000000000202 R12: 000055947e297ef0
[   22.164086][  T459] R13: 00007ffcac1ced94 R14: 0000000000000000 R15: 0000000000000000
| [   27.467418][  T671] softirqs last disabled at (24286): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   27.467421][  T671] Preemption disabled at:
| [   27.467422][  T671] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.467430][  T671] Tainted: [W]=WARN
[   27.467431][  T671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.467433][  T671] Call Trace:
[   27.467434][  T671]  <TASK>
[   27.467436][  T671]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.467442][  T671]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.467443][  T671]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.467448][  T671]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.467452][  T671]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.467456][  T671]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.467458][  T671]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.467464][  T671]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.467467][  T671]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.467471][  T671]  put_chars (drivers/char/virtio_console.c:1176)
[   27.467473][  T671]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.467474][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.467478][  T671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.467480][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.467485][  T671]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.467489][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.467494][  T671]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.467497][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.467502][  T671]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.467506][  T671]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.467508][  T671]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   27.467511][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.467513][  T671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.467517][  T671]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.467521][  T671]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.467523][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.467528][  T671]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.467531][  T671]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.467533][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.467535][  T671]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.467538][  T671]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.467540][  T671]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.467543][  T671]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.467546][  T671]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.467547][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.467550][  T671]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.467555][  T671]  dev_vprintk_emit (drivers/base/core.c:5000)
[   27.467560][  T671]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   27.467566][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.467568][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.467571][  T671]  dev_printk_emit (drivers/base/core.c:5011)
[   27.467574][  T671]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   27.467577][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.467579][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.467581][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.467582][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.467584][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.467588][  T671]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   27.467594][  T671]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.467596][  T671]  ? netdev_notice (net/core/dev.c:13194)
[   27.467599][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.467602][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.467605][  T671]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.467608][  T671]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.467610][  T671]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.467613][  T671]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.467617][  T671]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.467619][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.467622][  T671]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.467628][  T671]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.467631][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.467634][  T671]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.467635][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.467637][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.467639][  T671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.467641][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.467645][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.467647][  T671]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.467649][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   27.467652][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.467654][  T671]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   27.467657][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.467658][  T671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.467660][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.467661][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.467663][  T671]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.467665][  T671]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   27.467668][  T671]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.467670][  T671]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   27.467671][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.467674][  T671]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.467675][  T671]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.467679][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.467683][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.467690][  T671]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   27.467693][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.467694][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.467717][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.467719][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.467722][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.467724][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.467726][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.467730][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.467732][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.467734][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.467736][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.467740][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.467742][  T671]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.467745][  T671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.467746][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.467751][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.467753][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.467756][  T671]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.467759][  T671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.467762][  T671]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.467769][  T671]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.467771][  T671]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.467775][  T671]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.467779][  T671]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.467783][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.467786][  T671]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.467790][  T671]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.467792][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.467795][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.467800][  T671]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.467802][  T671]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   27.467806][  T671]  __sys_sendto (net/socket.c:2281)
[   27.467809][  T671]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.467820][  T671]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   27.467825][  T671]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.467827][  T671]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.467831][  T671]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.467832][  T671]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.467835][  T671]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.467837][  T671]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.467839][  T671]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.467841][  T671] RIP: 0033:0x7f74b44cd54e
[   27.467845][  T671] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.467847][  T671] RSP: 002b:00007ffcac1cec50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.467849][  T671] RAX: ffffffffffffffda RBX: 000055947e140240 RCX: 00007f74b44cd54e
[   27.467851][  T671] RDX: 0000000000000030 RSI: 000055947e2eea50 RDI: 0000000000000012
[   27.467852][  T671] RBP: 00007ffcac1cec60 R08: 00007ffcac1cecb0 R09: 0000000000000080
[   27.467852][  T671] R10: 0000000000000000 R11: 0000000000000202 R12: 000055947e138df0
[   27.467853][  T671] R13: 00007ffcac1ced94 R14: 0000000000000000 R15: 0000000000000000
| [   30.520900][  T671] softirqs last disabled at (88534): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   30.520902][  T671] Preemption disabled at:
| [   30.520903][  T671] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.520911][  T671] Tainted: [W]=WARN
[   30.520912][  T671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.520914][  T671] Call Trace:
[   30.520921][  T671]  <TASK>
[   30.520923][  T671]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.520929][  T671]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.520930][  T671]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.520935][  T671]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.520939][  T671]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.520943][  T671]  __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))
[   30.520945][  T671]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.520952][  T671]  ? 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)
[   30.520954][  T671]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.520958][  T671]  put_chars (drivers/char/virtio_console.c:1176)
[   30.520962][  T671]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.520964][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.520967][  T671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.520970][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.520975][  T671]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.520978][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.520983][  T671]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.520986][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.520991][  T671]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.520995][  T671]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.520997][  T671]  ? 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))
[   30.521000][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.521002][  T671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.521005][  T671]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.521010][  T671]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.521011][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.521017][  T671]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.521019][  T671]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.521021][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.521023][  T671]  ? 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)
[   30.521026][  T671]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.521028][  T671]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.521031][  T671]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.521034][  T671]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.521035][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.521037][  T671]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   30.521042][  T671]  dev_vprintk_emit (drivers/base/core.c:5000)
[   30.521047][  T671]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   30.521052][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.521054][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.521058][  T671]  dev_printk_emit (drivers/base/core.c:5011)
[   30.521061][  T671]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   30.521063][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.521066][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.521067][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.521069][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.521071][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.521074][  T671]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   30.521080][  T671]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.521083][  T671]  ? netdev_notice (net/core/dev.c:13194)
[   30.521086][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.521089][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.521091][  T671]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.521095][  T671]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.521097][  T671]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   30.521100][  T671]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   30.521103][  T671]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   30.521106][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.521108][  T671]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   30.521114][  T671]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.521117][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.521120][  T671]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.521121][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.521123][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.521125][  T671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.521126][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.521131][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.521133][  T671]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   30.521134][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   30.521138][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.521140][  T671]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   30.521142][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.521144][  T671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.521145][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.521146][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.521148][  T671]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.521150][  T671]  ? __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)
[   30.521153][  T671]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.521155][  T671]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   30.521157][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.521159][  T671]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.521161][  T671]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.521164][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.521168][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.521175][  T671]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   30.521178][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.521179][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.521201][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.521203][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.521206][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.521208][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.521210][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.521214][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.521216][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.521218][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.521219][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.521223][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.521225][  T671]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.521228][  T671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.521229][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.521234][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.521236][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.521239][  T671]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.521242][  T671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.521245][  T671]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.521251][  T671]  ? 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))
[   30.521253][  T671]  ? 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))
[   30.521258][  T671]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.521262][  T671]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.521265][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.521269][  T671]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.521273][  T671]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.521274][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.521277][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.521281][  T671]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   30.521284][  T671]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   30.521288][  T671]  __sys_sendto (net/socket.c:2281)
[   30.521291][  T671]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   30.521305][  T671]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   30.521307][  T671]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.521310][  T671]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.521313][  T671]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   30.521315][  T671]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.521317][  T671]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.521320][  T671]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.521322][  T671] RIP: 0033:0x7f74b44cd54e
[   30.521326][  T671] 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
[   30.521327][  T671] RSP: 002b:00007ffcac1cec50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   30.521330][  T671] RAX: ffffffffffffffda RBX: 000055947e140240 RCX: 00007f74b44cd54e
[   30.521331][  T671] RDX: 0000000000000030 RSI: 000055947e1435c0 RDI: 0000000000000012
[   30.521332][  T671] RBP: 00007ffcac1cec60 R08: 00007ffcac1cecb0 R09: 0000000000000080
[   30.521333][  T671] R10: 0000000000000000 R11: 0000000000000202 R12: 000055947e297ef0
[   30.521334][  T671] R13: 00007ffcac1ced94 R14: 0000000000000000 R15: 0000000000000000
| [   33.000544][  T671] softirqs last disabled at (160512): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   33.000547][  T671] Preemption disabled at:
| [   33.000547][  T671] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.000556][  T671] Tainted: [W]=WARN
[   33.000557][  T671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.000559][  T671] Call Trace:
[   33.000560][  T671]  <TASK>
[   33.000561][  T671]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.000568][  T671]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.000569][  T671]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.000574][  T671]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.000578][  T671]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.000583][  T671]  __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))
[   33.000584][  T671]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.000591][  T671]  ? 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)
[   33.000594][  T671]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.000598][  T671]  put_chars (drivers/char/virtio_console.c:1176)
[   33.000600][  T671]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.000601][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.000605][  T671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.000608][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.000612][  T671]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.000617][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.000622][  T671]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.000625][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.000629][  T671]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.000633][  T671]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.000635][  T671]  ? 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))
[   33.000639][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.000640][  T671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.000644][  T671]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.000649][  T671]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.000650][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.000656][  T671]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.000659][  T671]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.000660][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.000662][  T671]  ? 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)
[   33.000666][  T671]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.000668][  T671]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.000670][  T671]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.000673][  T671]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.000675][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.000677][  T671]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   33.000682][  T671]  dev_vprintk_emit (drivers/base/core.c:5000)
[   33.000687][  T671]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   33.000692][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.000694][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.000698][  T671]  dev_printk_emit (drivers/base/core.c:5011)
[   33.000700][  T671]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   33.000703][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.000706][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.000707][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.000709][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.000711][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.000714][  T671]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   33.000721][  T671]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.000723][  T671]  ? netdev_notice (net/core/dev.c:13194)
[   33.000726][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.000729][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.000731][  T671]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   33.000735][  T671]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.000737][  T671]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   33.000740][  T671]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   33.000744][  T671]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   33.000747][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.000750][  T671]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   33.000755][  T671]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.000758][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.000761][  T671]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.000763][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.000764][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.000766][  T671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.000768][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.000773][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.000775][  T671]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   33.000776][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   33.000780][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.000782][  T671]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   33.000784][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.000786][  T671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.000787][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.000788][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.000790][  T671]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.000792][  T671]  ? __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)
[   33.000795][  T671]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.000797][  T671]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   33.000799][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.000802][  T671]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.000803][  T671]  ? nla_get_range_signed (lib/nlattr.c:270)
[   33.000807][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.000810][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.000818][  T671]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   33.000821][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   33.000822][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.000845][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.000847][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.000850][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.000852][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.000854][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.000858][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.000860][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.000862][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   33.000864][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.000868][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   33.000870][  T671]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.000873][  T671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.000874][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.000879][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.000881][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.000884][  T671]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.000887][  T671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.000890][  T671]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.000897][  T671]  ? 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))
[   33.000899][  T671]  ? 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))
[   33.000903][  T671]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.000907][  T671]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.000911][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.000914][  T671]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.000918][  T671]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.000920][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.000922][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.000927][  T671]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   33.000930][  T671]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   33.000939][  T671]  __sys_sendto (net/socket.c:2281)
[   33.000943][  T671]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   33.000956][  T671]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   33.000959][  T671]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.000964][  T671]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   33.000966][  T671]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   33.000969][  T671]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.000971][  T671]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.000974][  T671]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.000976][  T671] RIP: 0033:0x7f74b44cd54e
[   33.000979][  T671] 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
[   33.000981][  T671] RSP: 002b:00007ffcac1cec50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   33.000984][  T671] RAX: ffffffffffffffda RBX: 000055947e140240 RCX: 00007f74b44cd54e
[   33.000985][  T671] RDX: 0000000000000030 RSI: 000055947e2a8fd0 RDI: 0000000000000012
[   33.000986][  T671] RBP: 00007ffcac1cec60 R08: 00007ffcac1cecb0 R09: 0000000000000080
[   33.000987][  T671] R10: 0000000000000000 R11: 0000000000000202 R12: 000055947e2937b0
[   33.000987][  T671] R13: 00007ffcac1ced94 R14: 0000000000000000 R15: 0000000000000000
| [   35.536186][  T671] softirqs last disabled at (232186): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   35.536189][  T671] Preemption disabled at:
| [   35.536190][  T671] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.536198][  T671] Tainted: [W]=WARN
[   35.536199][  T671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.536201][  T671] Call Trace:
[   35.536202][  T671]  <TASK>
[   35.536204][  T671]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.536209][  T671]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.536211][  T671]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.536215][  T671]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.536219][  T671]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.536224][  T671]  __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))
[   35.536226][  T671]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.536232][  T671]  ? 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)
[   35.536235][  T671]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.536239][  T671]  put_chars (drivers/char/virtio_console.c:1176)
[   35.536241][  T671]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.536242][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.536246][  T671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.536249][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.536253][  T671]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.536258][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.536263][  T671]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.536266][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.536270][  T671]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.536275][  T671]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.536277][  T671]  ? 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))
[   35.536280][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.536281][  T671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.536285][  T671]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.536289][  T671]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.536291][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.536297][  T671]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.536299][  T671]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.536301][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.536303][  T671]  ? 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)
[   35.536306][  T671]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.536308][  T671]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.536311][  T671]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.536314][  T671]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.536316][  T671]  ? clockevents_config.part.0 (kernel/time/clockevents.c:549)
[   35.536324][  T671]  dev_vprintk_emit (drivers/base/core.c:5000)
[   35.536329][  T671]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   35.536334][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.536336][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.536340][  T671]  dev_printk_emit (drivers/base/core.c:5011)
[   35.536342][  T671]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   35.536345][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.536347][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.536349][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.536351][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.536352][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.536356][  T671]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   35.536362][  T671]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.536365][  T671]  ? netdev_notice (net/core/dev.c:13194)
[   35.536368][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.536371][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.536373][  T671]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.536377][  T671]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.536379][  T671]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   35.536382][  T671]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   35.536385][  T671]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   35.536388][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.536391][  T671]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   35.536396][  T671]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.536399][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.536402][  T671]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.536403][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.536405][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.536407][  T671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.536409][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.536413][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.536415][  T671]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   35.536417][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   35.536420][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.536422][  T671]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   35.536425][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.536426][  T671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.536428][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.536429][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.536430][  T671]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.536433][  T671]  ? __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)
[   35.536435][  T671]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.536437][  T671]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   35.536439][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.536442][  T671]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.536443][  T671]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.536447][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.536450][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.536457][  T671]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   35.536460][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   35.536462][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.536484][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.536486][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.536489][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.536491][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.536493][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.536497][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.536499][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.536501][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   35.536503][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.536506][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   35.536508][  T671]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.536511][  T671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.536513][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.536517][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.536519][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.536523][  T671]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.536526][  T671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.536529][  T671]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.536535][  T671]  ? 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))
[   35.536537][  T671]  ? 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))
[   35.536542][  T671]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.536546][  T671]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.536549][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.536553][  T671]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.536557][  T671]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.536558][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.536561][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.536566][  T671]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   35.536568][  T671]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   35.536572][  T671]  __sys_sendto (net/socket.c:2281)
[   35.536575][  T671]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   35.536586][  T671]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   35.536591][  T671]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   35.536594][  T671]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.536597][  T671]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   35.536598][  T671]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   35.536601][  T671]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.536603][  T671]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.536605][  T671]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.536607][  T671] RIP: 0033:0x7f74b44cd54e
[   35.536611][  T671] 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
[   35.536613][  T671] RSP: 002b:00007ffcac1cec50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   35.536615][  T671] RAX: ffffffffffffffda RBX: 000055947e140240 RCX: 00007f74b44cd54e
[   35.536616][  T671] RDX: 0000000000000030 RSI: 000055947e2eea50 RDI: 0000000000000012
[   35.536617][  T671] RBP: 00007ffcac1cec60 R08: 00007ffcac1cecb0 R09: 0000000000000080
[   35.536618][  T671] R10: 0000000000000000 R11: 0000000000000202 R12: 000055947e2af4f0
[   35.536619][  T671] R13: 00007ffcac1ced94 R14: 0000000000000000 R15: 0000000000000000
| [   40.300635][ T1059] softirqs last disabled at (37620): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   40.300638][ T1059] Preemption disabled at:
| [   40.300638][ T1059] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.300647][ T1059] Tainted: [W]=WARN
[   40.300648][ T1059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.300649][ T1059] Call Trace:
[   40.300651][ T1059]  <TASK>
[   40.300653][ T1059]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.300658][ T1059]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.300660][ T1059]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.300664][ T1059]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.300668][ T1059]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.300672][ T1059]  __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))
[   40.300674][ T1059]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.300680][ T1059]  ? 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)
[   40.300683][ T1059]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.300687][ T1059]  put_chars (drivers/char/virtio_console.c:1176)
[   40.300689][ T1059]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.300690][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.300694][ T1059]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.300696][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.300701][ T1059]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.300705][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.300711][ T1059]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.300714][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.300718][ T1059]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.300722][ T1059]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.300724][ T1059]  ? 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))
[   40.300727][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.300729][ T1059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.300733][ T1059]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.300737][ T1059]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.300739][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.300745][ T1059]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.300748][ T1059]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.300749][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.300751][ T1059]  ? 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)
[   40.300755][ T1059]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.300757][ T1059]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.300759][ T1059]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.300762][ T1059]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.300764][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.300766][ T1059]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   40.300772][ T1059]  dev_vprintk_emit (drivers/base/core.c:5000)
[   40.300777][ T1059]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   40.300782][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.300784][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.300788][ T1059]  dev_printk_emit (drivers/base/core.c:5011)
[   40.300790][ T1059]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   40.300793][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.300795][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.300797][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.300799][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.300800][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.300804][ T1059]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   40.300810][ T1059]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.300813][ T1059]  ? netdev_notice (net/core/dev.c:13194)
[   40.300816][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.300818][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.300821][ T1059]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.300824][ T1059]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.300827][ T1059]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   40.300829][ T1059]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   40.300833][ T1059]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   40.300835][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.300838][ T1059]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.300844][ T1059]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.300847][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.300850][ T1059]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.300851][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.300853][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.300855][ T1059]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.300857][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.300861][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.300863][ T1059]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   40.300865][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   40.300868][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.300870][ T1059]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   40.300873][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.300874][ T1059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.300876][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.300877][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.300879][ T1059]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.300881][ T1059]  ? __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)
[   40.300883][ T1059]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.300885][ T1059]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   40.300887][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.300890][ T1059]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.300891][ T1059]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.300895][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.300898][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.300906][ T1059]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   40.300909][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   40.300910][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.300933][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.300935][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.300938][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.300939][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.300942][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.300946][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.300948][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.300950][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   40.300952][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.300956][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   40.300958][ T1059]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.300964][ T1059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.300965][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.300970][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.300972][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.300975][ T1059]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.300978][ T1059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.300986][ T1059]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.300993][ T1059]  ? 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))
[   40.300995][ T1059]  ? 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))
[   40.301000][ T1059]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.301004][ T1059]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.301007][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.301011][ T1059]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.301015][ T1059]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.301017][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.301019][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.301024][ T1059]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   40.301027][ T1059]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   40.301030][ T1059]  __sys_sendto (net/socket.c:2281)
[   40.301033][ T1059]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   40.301044][ T1059]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   40.301050][ T1059]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   40.301052][ T1059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.301055][ T1059]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   40.301057][ T1059]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   40.301060][ T1059]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.301061][ T1059]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.301064][ T1059]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.301066][ T1059] RIP: 0033:0x7f74b44cd54e
[   40.301070][ T1059] 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
[   40.301071][ T1059] RSP: 002b:00007ffcac1cec50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   40.301074][ T1059] RAX: ffffffffffffffda RBX: 000055947e142b80 RCX: 00007f74b44cd54e
[   40.301075][ T1059] RDX: 0000000000000030 RSI: 000055947e14abd0 RDI: 0000000000000012
[   40.301076][ T1059] RBP: 00007ffcac1cec60 R08: 00007ffcac1cecb0 R09: 0000000000000080
[   40.301077][ T1059] R10: 0000000000000000 R11: 0000000000000202 R12: 000055947e2d6390
[   40.301077][ T1059] R13: 00007ffcac1ced94 R14: 0000000000000000 R15: 0000000000000000
| [   45.097662][ T1059] softirqs last disabled at (148628): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   45.097665][ T1059] Preemption disabled at:
| [   45.097665][ T1059] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.097673][ T1059] Tainted: [W]=WARN
[   45.097674][ T1059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.097676][ T1059] Call Trace:
[   45.097677][ T1059]  <TASK>
[   45.097679][ T1059]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.097684][ T1059]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.097685][ T1059]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.097690][ T1059]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.097694][ T1059]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.097698][ T1059]  __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))
[   45.097700][ T1059]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.097706][ T1059]  ? 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)
[   45.097708][ T1059]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.097712][ T1059]  put_chars (drivers/char/virtio_console.c:1176)
[   45.097714][ T1059]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.097715][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.097719][ T1059]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.097721][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.097726][ T1059]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.097730][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.097735][ T1059]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.097738][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.097742][ T1059]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.097746][ T1059]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.097748][ T1059]  ? 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))
[   45.097751][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.097753][ T1059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.097757][ T1059]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.097761][ T1059]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.097762][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.097768][ T1059]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.097771][ T1059]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.097772][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.097774][ T1059]  ? 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)
[   45.097778][ T1059]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.097779][ T1059]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.097782][ T1059]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.097785][ T1059]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.097787][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   45.097789][ T1059]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   45.097794][ T1059]  dev_vprintk_emit (drivers/base/core.c:5000)
[   45.097799][ T1059]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   45.097804][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   45.097806][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.097809][ T1059]  dev_printk_emit (drivers/base/core.c:5011)
[   45.097812][ T1059]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   45.097815][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.097817][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.097818][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.097820][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.097822][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.097825][ T1059]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   45.097831][ T1059]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.097834][ T1059]  ? netdev_notice (net/core/dev.c:13194)
[   45.097837][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.097839][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.097842][ T1059]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   45.097845][ T1059]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.097847][ T1059]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   45.097850][ T1059]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   45.097853][ T1059]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   45.097856][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.097859][ T1059]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   45.097865][ T1059]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.097867][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.097870][ T1059]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.097872][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   45.097873][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.097875][ T1059]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.097877][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.097881][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.097883][ T1059]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   45.097885][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   45.097888][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.097890][ T1059]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   45.097893][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.097894][ T1059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.097896][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.097897][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.097899][ T1059]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.097901][ T1059]  ? __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)
[   45.097903][ T1059]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.097905][ T1059]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   45.097907][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   45.097910][ T1059]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.097911][ T1059]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.097915][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.097918][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.097925][ T1059]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   45.097928][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   45.097929][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.097952][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.097953][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.097956][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.097962][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   45.097964][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.097969][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.097971][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.097973][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   45.097974][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.097978][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   45.097980][ T1059]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.097983][ T1059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.097984][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.097989][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.097991][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.097994][ T1059]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.097997][ T1059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.098000][ T1059]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.098006][ T1059]  ? 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))
[   45.098008][ T1059]  ? 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))
[   45.098012][ T1059]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.098022][ T1059]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.098024][ T1059]  ? netlink_sendmsg (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 ./include/linux/pid.h:90 ./include/net/scm.h:72 ./include/net/scm.h:98 net/netlink/af_netlink.c:1838)
[   45.098029][ T1059]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.098033][ T1059]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.098034][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.098037][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.098042][ T1059]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   45.098044][ T1059]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   45.098048][ T1059]  __sys_sendto (net/socket.c:2281)
[   45.098051][ T1059]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   45.098065][ T1059]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   45.098067][ T1059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.098070][ T1059]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   45.098072][ T1059]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   45.098075][ T1059]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.098077][ T1059]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.098079][ T1059]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.098081][ T1059] RIP: 0033:0x7f74b44cd54e
[   45.098085][ T1059] 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
[   45.098087][ T1059] RSP: 002b:00007ffcac1cec50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   45.098089][ T1059] RAX: ffffffffffffffda RBX: 000055947e142b80 RCX: 00007f74b44cd54e
[   45.098091][ T1059] RDX: 0000000000000030 RSI: 000055947e131d90 RDI: 0000000000000012
[   45.098091][ T1059] RBP: 00007ffcac1cec60 R08: 00007ffcac1cecb0 R09: 0000000000000080
[   45.098092][ T1059] R10: 0000000000000000 R11: 0000000000000202 R12: 000055947e2aadf0
[   45.098093][ T1059] R13: 00007ffcac1ced94 R14: 0000000000000000 R15: 0000000000000000
| [   48.887416][ T1272] softirqs last disabled at (29530): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   48.887419][ T1272] Preemption disabled at:
| [   48.887419][ T1272] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.887428][ T1272] Tainted: [W]=WARN
[   48.887429][ T1272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.887430][ T1272] Call Trace:
[   48.887432][ T1272]  <TASK>
[   48.887434][ T1272]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.887439][ T1272]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.887441][ T1272]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.887445][ T1272]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.887449][ T1272]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.887454][ T1272]  __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))
[   48.887456][ T1272]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.887462][ T1272]  ? 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)
[   48.887465][ T1272]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.887469][ T1272]  put_chars (drivers/char/virtio_console.c:1176)
[   48.887471][ T1272]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.887472][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.887476][ T1272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.887479][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.887484][ T1272]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.887487][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.887493][ T1272]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.887496][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.887500][ T1272]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.887505][ T1272]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.887506][ T1272]  ? 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))
[   48.887510][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.887511][ T1272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.887515][ T1272]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.887520][ T1272]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.887522][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.887527][ T1272]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.887530][ T1272]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.887532][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.887533][ T1272]  ? 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)
[   48.887537][ T1272]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.887539][ T1272]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.887542][ T1272]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.887545][ T1272]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.887546][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   48.887548][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   48.887555][ T1272]  dev_vprintk_emit (drivers/base/core.c:5000)
[   48.887560][ T1272]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   48.887565][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   48.887567][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.887571][ T1272]  dev_printk_emit (drivers/base/core.c:5011)
[   48.887573][ T1272]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   48.887576][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.887578][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.887580][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.887582][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.887583][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.887587][ T1272]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   48.887593][ T1272]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.887596][ T1272]  ? netdev_notice (net/core/dev.c:13194)
[   48.887599][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.887601][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.887604][ T1272]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.887607][ T1272]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.887610][ T1272]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   48.887613][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   48.887616][ T1272]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   48.887619][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.887621][ T1272]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   48.887627][ T1272]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.887630][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.887633][ T1272]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.887634][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   48.887636][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.887638][ T1272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.887640][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.887644][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.887646][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   48.887648][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   48.887652][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.887654][ T1272]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   48.887656][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.887658][ T1272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.887659][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.887661][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.887662][ T1272]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.887664][ T1272]  ? __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)
[   48.887667][ T1272]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.887669][ T1272]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   48.887671][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   48.887674][ T1272]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.887675][ T1272]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.887679][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.887682][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.887689][ T1272]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   48.887693][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   48.887694][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.887717][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.887719][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.887722][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.887724][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   48.887726][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.887730][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.887732][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.887734][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   48.887736][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.887740][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   48.887742][ T1272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.887745][ T1272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.887746][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.887751][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.887753][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.887756][ T1272]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.887759][ T1272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.887762][ T1272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.887769][ T1272]  ? 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))
[   48.887771][ T1272]  ? 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))
[   48.887776][ T1272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.887780][ T1272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.887783][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.887787][ T1272]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.887791][ T1272]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.887793][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.887795][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.887800][ T1272]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   48.887803][ T1272]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   48.887807][ T1272]  __sys_sendto (net/socket.c:2281)
[   48.887810][ T1272]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   48.887821][ T1272]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   48.887826][ T1272]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   48.887828][ T1272]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.887832][ T1272]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   48.887833][ T1272]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   48.887836][ T1272]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.887838][ T1272]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.887840][ T1272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.887842][ T1272] RIP: 0033:0x7f74b44cd54e
[   48.887846][ T1272] 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
[   48.887848][ T1272] RSP: 002b:00007ffcac1cec50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   48.887850][ T1272] RAX: ffffffffffffffda RBX: 000055947e2aa270 RCX: 00007f74b44cd54e
[   48.887851][ T1272] RDX: 0000000000000030 RSI: 000055947e143320 RDI: 0000000000000016
[   48.887852][ T1272] RBP: 00007ffcac1cec60 R08: 00007ffcac1cecb0 R09: 0000000000000080
[   48.887853][ T1272] R10: 0000000000000000 R11: 0000000000000202 R12: 000055947e2c2a50
[   48.887854][ T1272] R13: 00007ffcac1ced94 R14: 0000000000000000 R15: 0000000000000000
| [   51.051464][ T1272] softirqs last disabled at (105402): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   51.051467][ T1272] Preemption disabled at:
| [   51.051467][ T1272] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.051476][ T1272] Tainted: [W]=WARN
[   51.051476][ T1272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.051478][ T1272] Call Trace:
[   51.051479][ T1272]  <TASK>
[   51.051481][ T1272]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.051487][ T1272]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.051488][ T1272]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.051493][ T1272]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.051497][ T1272]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   51.051501][ T1272]  __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))
[   51.051503][ T1272]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.051509][ T1272]  ? 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)
[   51.051512][ T1272]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.051516][ T1272]  put_chars (drivers/char/virtio_console.c:1176)
[   51.051518][ T1272]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.051519][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.051523][ T1272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.051526][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.051531][ T1272]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.051535][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.051540][ T1272]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.051543][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.051548][ T1272]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.051552][ T1272]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.051554][ T1272]  ? 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))
[   51.051557][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.051559][ T1272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.051563][ T1272]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.051567][ T1272]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.051569][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.051575][ T1272]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.051578][ T1272]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.051580][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.051581][ T1272]  ? 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)
[   51.051585][ T1272]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.051587][ T1272]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.051590][ T1272]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.051593][ T1272]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.051594][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   51.051597][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   51.051603][ T1272]  dev_vprintk_emit (drivers/base/core.c:5000)
[   51.051608][ T1272]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   51.051613][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   51.051615][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.051619][ T1272]  dev_printk_emit (drivers/base/core.c:5011)
[   51.051621][ T1272]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   51.051624][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.051627][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.051628][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.051630][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.051632][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.051635][ T1272]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   51.051642][ T1272]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   51.051644][ T1272]  ? netdev_notice (net/core/dev.c:13194)
[   51.051647][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.051650][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.051653][ T1272]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   51.051656][ T1272]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.051658][ T1272]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   51.051662][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   51.051665][ T1272]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   51.051668][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.051671][ T1272]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.051676][ T1272]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.051679][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.051682][ T1272]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.051684][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   51.051686][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.051687][ T1272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.051689][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.051694][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.051696][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   51.051698][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   51.051701][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.051703][ T1272]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   51.051706][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.051707][ T1272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.051709][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.051710][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.051712][ T1272]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.051714][ T1272]  ? __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)
[   51.051717][ T1272]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.051718][ T1272]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   51.051720][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   51.051723][ T1272]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.051724][ T1272]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.051728][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.051732][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.051739][ T1272]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   51.051742][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   51.051743][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.051766][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.051768][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.051771][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.051773][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   51.051775][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.051780][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.051782][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.051784][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   51.051785][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.051789][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   51.051791][ T1272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.051794][ T1272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.051796][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.051800][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.051802][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.051806][ T1272]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.051809][ T1272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.051812][ T1272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.051818][ T1272]  ? 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))
[   51.051820][ T1272]  ? 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))
[   51.051825][ T1272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.051829][ T1272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.051833][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.051836][ T1272]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.051841][ T1272]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.051842][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.051845][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.051850][ T1272]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   51.051853][ T1272]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   51.051856][ T1272]  __sys_sendto (net/socket.c:2281)
[   51.051859][ T1272]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   51.051873][ T1272]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   51.051876][ T1272]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.051879][ T1272]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   51.051882][ T1272]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   51.051884][ T1272]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.051886][ T1272]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.051889][ T1272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.051891][ T1272] RIP: 0033:0x7f74b44cd54e
[   51.051894][ T1272] 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
[   51.051896][ T1272] RSP: 002b:00007ffcac1cec50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   51.051899][ T1272] RAX: ffffffffffffffda RBX: 000055947e2aa270 RCX: 00007f74b44cd54e
[   51.051900][ T1272] RDX: 0000000000000030 RSI: 000055947e136be0 RDI: 0000000000000016
[   51.051901][ T1272] RBP: 00007ffcac1cec60 R08: 00007ffcac1cecb0 R09: 0000000000000080
[   51.051901][ T1272] R10: 0000000000000000 R11: 0000000000000202 R12: 000055947e2aadf0
[   51.051902][ T1272] R13: 00007ffcac1ced94 R14: 0000000000000000 R15: 0000000000000000
| [   53.328294][ T1272] softirqs last disabled at (162666): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   53.328296][ T1272] Preemption disabled at:
| [   53.328297][ T1272] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.328305][ T1272] Tainted: [W]=WARN
[   53.328306][ T1272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.328308][ T1272] Call Trace:
[   53.328309][ T1272]  <TASK>
[   53.328311][ T1272]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.328317][ T1272]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.328318][ T1272]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.328323][ T1272]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.328327][ T1272]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.328331][ T1272]  __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))
[   53.328333][ T1272]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.328340][ T1272]  ? 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)
[   53.328342][ T1272]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.328346][ T1272]  put_chars (drivers/char/virtio_console.c:1176)
[   53.328349][ T1272]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.328350][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.328353][ T1272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.328356][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.328361][ T1272]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.328365][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.328370][ T1272]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.328373][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.328378][ T1272]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.328382][ T1272]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.328384][ T1272]  ? 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))
[   53.328387][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.328389][ T1272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.328393][ T1272]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.328397][ T1272]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.328399][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.328404][ T1272]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.328407][ T1272]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.328409][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.328411][ T1272]  ? 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)
[   53.328414][ T1272]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.328416][ T1272]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.328419][ T1272]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.328422][ T1272]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.328423][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   53.328426][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   53.328432][ T1272]  dev_vprintk_emit (drivers/base/core.c:5000)
[   53.328437][ T1272]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   53.328442][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   53.328444][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.328448][ T1272]  dev_printk_emit (drivers/base/core.c:5011)
[   53.328450][ T1272]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   53.328453][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.328455][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.328457][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.328459][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.328461][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.328464][ T1272]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   53.328470][ T1272]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   53.328473][ T1272]  ? netdev_notice (net/core/dev.c:13194)
[   53.328476][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.328479][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.328482][ T1272]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   53.328485][ T1272]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.328487][ T1272]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   53.328490][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   53.328494][ T1272]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   53.328497][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.328499][ T1272]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   53.328505][ T1272]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.328508][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.328511][ T1272]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   53.328512][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   53.328514][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.328516][ T1272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.328518][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.328522][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.328524][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   53.328526][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   53.328529][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.328531][ T1272]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   53.328534][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.328536][ T1272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.328537][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.328538][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.328540][ T1272]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   53.328542][ T1272]  ? __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)
[   53.328545][ T1272]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   53.328547][ T1272]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   53.328549][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   53.328552][ T1272]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   53.328553][ T1272]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.328557][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.328560][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.328567][ T1272]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   53.328570][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   53.328572][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.328594][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.328596][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.328599][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.328601][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   53.328603][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.328608][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.328610][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.328612][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   53.328614][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.328617][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   53.328619][ T1272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.328623][ T1272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.328624][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.328628][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.328630][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.328634][ T1272]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.328637][ T1272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.328640][ T1272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.328646][ T1272]  ? 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))
[   53.328648][ T1272]  ? 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))
[   53.328653][ T1272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.328657][ T1272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.328661][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.328664][ T1272]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.328668][ T1272]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.328670][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.328673][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.328678][ T1272]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   53.328681][ T1272]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   53.328684][ T1272]  __sys_sendto (net/socket.c:2281)
[   53.328687][ T1272]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   53.328698][ T1272]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   53.328703][ T1272]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   53.328706][ T1272]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.328709][ T1272]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   53.328711][ T1272]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   53.328714][ T1272]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.328716][ T1272]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.328718][ T1272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.328720][ T1272] RIP: 0033:0x7f74b44cd54e
[   53.328724][ T1272] 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
[   53.328726][ T1272] RSP: 002b:00007ffcac1cec50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   53.328728][ T1272] RAX: ffffffffffffffda RBX: 000055947e2aa270 RCX: 00007f74b44cd54e
[   53.328730][ T1272] RDX: 0000000000000030 RSI: 000055947e18f6f0 RDI: 0000000000000016
[   53.328731][ T1272] RBP: 00007ffcac1cec60 R08: 00007ffcac1cecb0 R09: 0000000000000080
[   53.328731][ T1272] R10: 0000000000000000 R11: 0000000000000202 R12: 000055947e296b30
[   53.328732][ T1272] R13: 00007ffcac1ced94 R14: 0000000000000000 R15: 0000000000000000
| [   55.262493][ T1270] softirqs last disabled at (81168): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   55.262495][ T1270] Preemption disabled at:
| [   55.262496][ T1270] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.262504][ T1270] Tainted: [W]=WARN
[   55.262505][ T1270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.262507][ T1270] Call Trace:
[   55.262508][ T1270]  <TASK>
[   55.262510][ T1270]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.262516][ T1270]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.262517][ T1270]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.262522][ T1270]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.262526][ T1270]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.262530][ T1270]  __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))
[   55.262532][ T1270]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.262538][ T1270]  ? 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)
[   55.262541][ T1270]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.262545][ T1270]  put_chars (drivers/char/virtio_console.c:1176)
[   55.262547][ T1270]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.262549][ T1270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.262552][ T1270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.262555][ T1270]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.262560][ T1270]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.262564][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.262570][ T1270]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.262573][ T1270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.262578][ T1270]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.262582][ T1270]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.262583][ T1270]  ? 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))
[   55.262587][ T1270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.262588][ T1270]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.262592][ T1270]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.262597][ T1270]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.262599][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.262604][ T1270]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.262607][ T1270]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.262609][ T1270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.262611][ T1270]  ? 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)
[   55.262614][ T1270]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.262616][ T1270]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.262619][ T1270]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.262622][ T1270]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.262623][ T1270]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.262626][ T1270]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   55.262631][ T1270]  dev_vprintk_emit (drivers/base/core.c:5000)
[   55.262637][ T1270]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   55.262642][ T1270]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   55.262644][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.262648][ T1270]  dev_printk_emit (drivers/base/core.c:5011)
[   55.262650][ T1270]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   55.262653][ T1270]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.262655][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.262657][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.262659][ T1270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.262661][ T1270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.262664][ T1270]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   55.262671][ T1270]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   55.262673][ T1270]  ? netdev_notice (net/core/dev.c:13194)
[   55.262676][ T1270]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.262679][ T1270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.262682][ T1270]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.262685][ T1270]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.262687][ T1270]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   55.262691][ T1270]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   55.262694][ T1270]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   55.262697][ T1270]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.262700][ T1270]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   55.262706][ T1270]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.262709][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.262712][ T1270]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.262713][ T1270]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   55.262715][ T1270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.262717][ T1270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.262719][ T1270]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.262723][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.262725][ T1270]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   55.262727][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   55.262730][ T1270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.262732][ T1270]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   55.262735][ T1270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.262737][ T1270]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.262738][ T1270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.262739][ T1270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.262741][ T1270]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.262743][ T1270]  ? __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)
[   55.262746][ T1270]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.262748][ T1270]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   55.262749][ T1270]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   55.262752][ T1270]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.262753][ T1270]  ? nla_get_range_signed (lib/nlattr.c:270)
[   55.262758][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.262761][ T1270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.262768][ T1270]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   55.262771][ T1270]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   55.262772][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.262795][ T1270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.262796][ T1270]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.262799][ T1270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.262801][ T1270]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   55.262803][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.262808][ T1270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.262810][ T1270]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.262811][ T1270]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   55.262813][ T1270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.262817][ T1270]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   55.262819][ T1270]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.262822][ T1270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.262823][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.262828][ T1270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.262830][ T1270]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.262833][ T1270]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.262836][ T1270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.262839][ T1270]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.262846][ T1270]  ? 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))
[   55.262848][ T1270]  ? 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))
[   55.262852][ T1270]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.262856][ T1270]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.262860][ T1270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.262863][ T1270]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.262867][ T1270]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.262869][ T1270]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.262872][ T1270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.262876][ T1270]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   55.262879][ T1270]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   55.262883][ T1270]  __sys_sendto (net/socket.c:2281)
[   55.262886][ T1270]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   55.262900][ T1270]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   55.262902][ T1270]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.262905][ T1270]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   55.262908][ T1270]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   55.262911][ T1270]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.262913][ T1270]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.262915][ T1270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.262917][ T1270] RIP: 0033:0x7f74b44cd54e
[   55.262922][ T1270] 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
[   55.262923][ T1270] RSP: 002b:00007ffcac1cec50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   55.262926][ T1270] RAX: ffffffffffffffda RBX: 000055947e2aa270 RCX: 00007f74b44cd54e
[   55.262927][ T1270] RDX: 0000000000000030 RSI: 000055947e140520 RDI: 0000000000000012
[   55.262928][ T1270] RBP: 00007ffcac1cec60 R08: 00007ffcac1cecb0 R09: 0000000000000080
[   55.262929][ T1270] R10: 0000000000000000 R11: 0000000000000202 R12: 000055947e2c2a50


Finger prints:
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars