======================================
| [    9.453824][  T198] softirqs last disabled at (78624): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    9.453827][  T198] Preemption disabled at:
| [    9.453827][  T198] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.453837][  T198] Tainted: [W]=WARN
[    9.453837][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.453839][  T198] Call Trace:
[    9.453840][  T198]  <TASK>
[    9.453842][  T198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.453847][  T198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.453849][  T198]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.453854][  T198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.453857][  T198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.453863][  T198]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.453865][  T198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.453871][  T198]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.453874][  T198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.453878][  T198]  put_chars (drivers/char/virtio_console.c:1176)
[    9.453882][  T198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.453884][  T198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.453888][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.453893][  T198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.453900][  T198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.453903][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.453906][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.453910][  T198]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.453914][  T198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.453915][  T198]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.453918][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.453920][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.453924][  T198]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.453928][  T198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.453929][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.453935][  T198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.453937][  T198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.453938][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.453940][  T198]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.453944][  T198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.453946][  T198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.453949][  T198]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.453952][  T198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.453954][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.453957][  T198]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[    9.453961][  T198]  dev_vprintk_emit (drivers/base/core.c:5000)
[    9.453966][  T198]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[    9.453972][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.453976][  T198]  dev_printk_emit (drivers/base/core.c:5011)
[    9.453979][  T198]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[    9.453983][  T198]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[    9.453986][  T198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.453988][  T198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.453991][  T198]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[    9.453999][  T198]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.454001][  T198]  ? netdev_notice (net/core/dev.c:13194)
[    9.454005][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.454008][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.454010][  T198]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.454014][  T198]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.454017][  T198]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    9.454020][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.454022][  T198]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[    9.454024][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[    9.454027][  T198]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    9.454029][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.454031][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.454034][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.454036][  T198]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.454041][  T198]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.454046][  T198]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.454048][  T198]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.454050][  T198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.454052][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.454055][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.454059][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.454064][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.454066][  T198]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.454070][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.454072][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.454073][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.454075][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.454077][  T198]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.454080][  T198]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[    9.454083][  T198]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.454085][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.454087][  T198]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.454090][  T198]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.454092][  T198]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.454094][  T198]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.454100][  T198]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.454103][  T198]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.454111][  T198]  rtnl_setlink (net/core/rtnetlink.c:3596)
[    9.454115][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.454117][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.454139][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.454141][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.454144][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.454146][  T198]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.454148][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.454153][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.454155][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.454157][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.454159][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.454163][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.454166][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.454170][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.454172][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.454176][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.454178][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.454182][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.454184][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.454188][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.454194][  T198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.454197][  T198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.454201][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.454205][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.454207][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.454212][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.454215][  T198]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.454218][  T198]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.454222][  T198]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.454226][  T198]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[    9.454230][  T198]  ? __ia32_sys_getpeername (net/socket.c:2235)
[    9.454240][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[    9.454247][  T198]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[    9.454249][  T198]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.454252][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.454254][  T198]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    9.454256][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.454257][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.454260][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.454262][  T198] RIP: 0033:0x7fb7e5a2654e
[    9.454266][  T198] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.454268][  T198] RSP: 002b:00007fff9f569570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.454270][  T198] RAX: ffffffffffffffda RBX: 0000561e5d6a1d80 RCX: 00007fb7e5a2654e
[    9.454272][  T198] RDX: 000000000000002c RSI: 0000561e5d81e300 RDI: 0000000000000012
[    9.454273][  T198] RBP: 00007fff9f569580 R08: 00007fff9f5695d0 R09: 0000000000000080
[    9.454274][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 0000561e5d7fe880
[    9.454274][  T198] R13: 00007fff9f5696b4 R14: 0000000000000000 R15: 0000000000000000
| [   11.102949][  T199] softirqs last disabled at (376734): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.102952][  T199] Preemption disabled at:
| [   11.102953][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.102961][  T199] Tainted: [W]=WARN
[   11.102962][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.102963][  T199] Call Trace:
[   11.102965][  T199]  <TASK>
[   11.102967][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.102971][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.102973][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.102978][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.102981][  T199]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.102986][  T199]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.102989][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.102995][  T199]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.102998][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.103001][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   11.103005][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.103007][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.103011][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.103016][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.103023][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.103025][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.103027][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.103032][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.103035][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.103037][  T199]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.103039][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.103041][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.103045][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.103049][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.103050][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.103056][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.103058][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.103059][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.103061][  T199]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.103065][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.103067][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.103070][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.103073][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.103075][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.103077][  T199]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[   11.103082][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   11.103087][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   11.103092][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.103096][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   11.103099][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   11.103103][  T199]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.103106][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.103108][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.103111][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   11.103118][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.103121][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   11.103124][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.103127][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.103130][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.103134][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.103136][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.103139][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.103141][  T199]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[   11.103143][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   11.103146][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.103148][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.103150][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.103153][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.103155][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.103160][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.103165][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.103166][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.103168][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.103170][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.103173][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.103178][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.103183][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.103185][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.103188][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.103190][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.103192][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.103193][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.103195][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.103197][  T199]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.103201][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.103202][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.103204][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.103207][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.103210][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.103212][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.103217][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.103221][  T199]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.103228][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   11.103232][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.103233][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.103257][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.103259][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.103262][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.103264][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.103266][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.103271][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.103273][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.103275][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.103277][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.103281][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.103284][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.103288][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.103290][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.103295][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.103297][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.103300][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.103303][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.103306][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.103312][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.103315][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.103320][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.103323][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.103325][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.103330][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.103334][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.103337][  T199]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.103340][  T199]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.103344][  T199]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   11.103348][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.103362][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.103364][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.103368][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.103371][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.103372][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.103374][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.103377][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.103379][  T199] RIP: 0033:0x7fb7e5a2654e
[   11.103383][  T199] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.103384][  T199] RSP: 002b:00007fff9f569570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.103387][  T199] RAX: ffffffffffffffda RBX: 0000561e5d6a1d80 RCX: 00007fb7e5a2654e
[   11.103388][  T199] RDX: 000000000000002c RSI: 0000561e5d82fe90 RDI: 0000000000000014
[   11.103389][  T199] RBP: 00007fff9f569580 R08: 00007fff9f5695d0 R09: 0000000000000080
[   11.103390][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 0000561e5d7fd450
[   11.103391][  T199] R13: 00007fff9f5696b4 R14: 0000000000000000 R15: 0000000000000000
| [   14.080944][  T199] softirqs last disabled at (807182): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.080947][  T199] Preemption disabled at:
| [   14.080948][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.080957][  T199] Tainted: [W]=WARN
[   14.080957][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.080959][  T199] Call Trace:
[   14.080961][  T199]  <TASK>
[   14.080962][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.080967][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.080969][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.080973][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.080977][  T199]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.080983][  T199]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.080985][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.080991][  T199]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.080994][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.080998][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   14.081001][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.081003][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.081007][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.081013][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.081020][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.081023][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.081025][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.081029][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.081033][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.081034][  T199]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.081037][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.081039][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.081043][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.081047][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.081049][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.081054][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.081057][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.081058][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.081060][  T199]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.081064][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.081066][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.081069][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.081072][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.081074][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.081076][  T199]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[   14.081081][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   14.081086][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   14.081091][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.081095][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   14.081098][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   14.081102][  T199]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.081105][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.081107][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.081111][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   14.081118][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.081120][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   14.081124][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.081127][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.081129][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.081133][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.081136][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.081139][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.081141][  T199]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[   14.081142][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   14.081146][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.081148][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.081150][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.081153][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.081155][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.081160][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.081165][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.081167][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.081168][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.081170][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.081173][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.081178][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.081183][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.081185][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.081188][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.081190][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.081191][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.081193][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.081194][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.081197][  T199]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.081200][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.081202][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.081204][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.081207][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.081210][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.081212][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.081217][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.081220][  T199]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   14.081228][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   14.081232][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.081233][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.081257][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.081259][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.081262][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.081264][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.081266][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.081271][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.081273][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.081275][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.081277][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.081281][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.081284][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.081288][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.081289][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.081294][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.081297][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.081300][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.081303][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.081307][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.081313][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.081316][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.081320][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.081324][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.081326][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.081331][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.081335][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.081338][  T199]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.081341][  T199]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.081345][  T199]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   14.081349][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   14.081363][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   14.081365][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.081368][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.081372][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   14.081373][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.081375][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.081378][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.081381][  T199] RIP: 0033:0x7fb7e5a2654e
[   14.081384][  T199] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.081386][  T199] RSP: 002b:00007fff9f569570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   14.081388][  T199] RAX: ffffffffffffffda RBX: 0000561e5d6a1d80 RCX: 00007fb7e5a2654e
[   14.081390][  T199] RDX: 000000000000002c RSI: 0000561e5d81b2c0 RDI: 0000000000000014
[   14.081391][  T199] RBP: 00007fff9f569580 R08: 00007fff9f5695d0 R09: 0000000000000080
[   14.081392][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 0000561e5d819350
[   14.081393][  T199] R13: 00007fff9f5696b4 R14: 0000000000000000 R15: 0000000000000000
| [   16.052526][  T199] softirqs last disabled at (1279692): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   16.052529][  T199] Preemption disabled at:
| [   16.052529][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.052538][  T199] Tainted: [W]=WARN
[   16.052539][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.052541][  T199] Call Trace:
[   16.052542][  T199]  <TASK>
[   16.052544][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.052549][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.052551][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.052556][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.052559][  T199]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.052564][  T199]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.052567][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.052573][  T199]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.052576][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.052586][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   16.052589][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.052591][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.052595][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.052601][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.052607][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.052610][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.052612][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.052616][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.052620][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.052621][  T199]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.052623][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.052625][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.052629][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.052633][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.052634][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.052640][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.052642][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.052643][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.052645][  T199]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.052649][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.052651][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.052654][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.052657][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.052659][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.052661][  T199]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[   16.052665][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   16.052670][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   16.052674][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.052677][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.052682][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   16.052684][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   16.052687][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.052690][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.052692][  T199]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   16.052694][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.052700][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   16.052708][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   16.052711][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   16.052714][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.052717][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.052720][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.052723][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.052726][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   16.052729][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.052730][  T199]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   16.052732][  T199]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   16.052734][  T199]  ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4527)
[   16.052738][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   16.052742][  T199]  ? nla_strscpy (lib/nlattr.c:795)
[   16.052748][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.052752][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.052754][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.052756][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.052758][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.052760][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.052765][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.052769][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.052771][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   16.052775][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.052777][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.052778][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.052780][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.052782][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.052784][  T199]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.052787][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.052788][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.052791][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   16.052793][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.052796][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.052798][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.052802][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.052805][  T199]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   16.052812][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   16.052816][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   16.052817][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.052839][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.052841][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.052844][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.052846][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.052848][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.052853][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.052855][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.052857][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   16.052859][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.052863][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   16.052866][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.052870][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.052872][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.052876][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.052878][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.052882][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.052884][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.052887][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.052893][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.052896][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.052901][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.052904][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.052906][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.052911][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.052914][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.052917][  T199]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.052921][  T199]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.052925][  T199]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   16.052929][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   16.052939][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   16.052944][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   16.052946][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.052949][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.052951][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   16.052953][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.052955][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.052958][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.052960][  T199] RIP: 0033:0x7fb7e5a2654e
[   16.052964][  T199] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.052966][  T199] RSP: 002b:00007fff9f569570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   16.052968][  T199] RAX: ffffffffffffffda RBX: 0000561e5d6a1d80 RCX: 00007fb7e5a2654e
[   16.052970][  T199] RDX: 000000000000002c RSI: 0000561e5d81b2c0 RDI: 0000000000000014
[   16.052971][  T199] RBP: 00007fff9f569580 R08: 00007fff9f5695d0 R09: 0000000000000080
[   16.052971][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 0000561e5d820710
[   16.052972][  T199] R13: 00007fff9f5696b4 R14: 0000000000000000 R15: 0000000000000000
| [   19.146548][  T199] softirqs last disabled at (1714650): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   19.146550][  T199] Preemption disabled at:
| [   19.146551][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.146560][  T199] Tainted: [W]=WARN
[   19.146561][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.146563][  T199] Call Trace:
[   19.146564][  T199]  <TASK>
[   19.146566][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.146571][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.146572][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.146577][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.146608][  T199]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.146614][  T199]  __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))
[   19.146616][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.146622][  T199]  ? 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)
[   19.146625][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.146628][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   19.146631][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.146633][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.146637][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.146642][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.146648][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.146651][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.146653][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.146657][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.146660][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.146662][  T199]  ? 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))
[   19.146664][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.146666][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.146670][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.146673][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.146675][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146680][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.146682][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.146683][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.146685][  T199]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.146689][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.146690][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.146693][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.146696][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.146698][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146700][  T199]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[   19.146706][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   19.146711][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   19.146717][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.146720][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   19.146723][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   19.146726][  T199]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   19.146730][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.146732][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.146735][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   19.146742][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.146744][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   19.146747][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.146750][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.146753][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.146756][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.146759][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   19.146762][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146764][  T199]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[   19.146765][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   19.146768][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   19.146770][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.146772][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.146775][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146777][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.146782][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.146786][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.146788][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.146789][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.146791][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.146794][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.146799][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146803][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.146805][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   19.146808][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.146810][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.146812][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.146813][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.146815][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.146817][  T199]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   19.146821][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.146822][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146824][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   19.146827][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.146830][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.146832][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.146837][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.146840][  T199]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.146847][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   19.146851][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.146853][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146874][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.146876][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.146879][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.146881][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.146883][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146887][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.146889][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.146892][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.146894][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.146898][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.146900][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.146904][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.146906][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146910][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.146912][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.146915][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.146918][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.146921][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.146927][  T199]  ? 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))
[   19.146930][  T199]  ? 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))
[   19.146934][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.146938][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.146939][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146944][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.146947][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.146950][  T199]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.146954][  T199]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.146958][  T199]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   19.146961][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   19.146974][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   19.146976][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.146980][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.146983][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   19.146984][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.146986][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.146989][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.146991][  T199] RIP: 0033:0x7fb7e5a2654e
[   19.146994][  T199] 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
[   19.146996][  T199] RSP: 002b:00007fff9f569570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   19.146998][  T199] RAX: ffffffffffffffda RBX: 0000561e5d6a1d80 RCX: 00007fb7e5a2654e
[   19.147000][  T199] RDX: 000000000000002c RSI: 0000561e5d7f8d40 RDI: 0000000000000014
[   19.147001][  T199] RBP: 00007fff9f569580 R08: 00007fff9f5695d0 R09: 0000000000000080
[   19.147001][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 0000561e5d7f84b0


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