======================================
| [   13.627538][  T246] softirqs last disabled at (26000): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   13.627541][  T246] Preemption disabled at:
| [   13.627542][  T246] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.627550][  T246] Tainted: [W]=WARN
[   13.627551][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.627553][  T246] Call Trace:
[   13.627554][  T246]  <TASK>
[   13.627556][  T246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.627562][  T246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.627563][  T246]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.627568][  T246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.627572][  T246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.627577][  T246]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.627579][  T246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.627586][  T246]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.627588][  T246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.627592][  T246]  put_chars (drivers/char/virtio_console.c:1176)
[   13.627602][  T246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.627609][  T246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.627617][  T246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.627621][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.627625][  T246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.627629][  T246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.627631][  T246]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.627635][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.627637][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.627642][  T246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.627649][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.627651][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.627658][  T246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.627661][  T246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.627663][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.627665][  T246]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.627672][  T246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.627674][  T246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.627676][  T246]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.627680][  T246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.627682][  T246]  ? save_trace (kernel/locking/lockdep.c:589)
[   13.627687][  T246]  _printk (kernel/printk/printk.c:2504)
[   13.627690][  T246]  ? snapshot_read.cold (user.c:?)
[   13.627694][  T246]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.627697][  T246]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.627701][  T246]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.627704][  T246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.627706][  T246]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.627709][  T246]  ? netdev_notice (net/core/dev.c:13194)
[   13.627712][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.627715][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.627717][  T246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.627721][  T246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.627723][  T246]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   13.627725][  T246]  ? register_netdev (net/core/dev.c:11618)
[   13.627727][  T246]  ? 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))
[   13.627732][  T246]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   13.627735][  T246]  ? __kernel_text_address (kernel/extable.c:79)
[   13.627737][  T246]  ? write_profile (profile.c:?)
[   13.627741][  T246]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.627747][  T246]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.627750][  T246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.627753][  T246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.627754][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.627757][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.627760][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.627762][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.627764][  T246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.627767][  T246]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.627769][  T246]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.627770][  T246]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.627771][  T246]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.627774][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.627776][  T246]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   13.627779][  T246]  ? ___sys_sendmsg (net/socket.c:2758)
[   13.627783][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.627785][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.627788][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.627789][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.627791][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.627792][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.627794][  T246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.627796][  T246]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.627799][  T246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.627801][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.627804][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.627806][  T246]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.627811][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.627813][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.627819][  T246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.627824][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.627826][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.627831][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.627833][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.627835][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.627837][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.627841][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.627843][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.627846][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.627847][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.627852][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.627854][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.627858][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.627861][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.627864][  T246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.627870][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.627873][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.627877][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.627881][  T246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.627884][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.627889][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.627893][  T246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.627897][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.627898][  T246]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.627904][  T246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.627907][  T246]  ____sys_sendmsg (net/socket.c:2713)
[   13.627909][  T246]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.627912][  T246]  ? sock_write_iter (net/socket.c:1269)
[   13.627913][  T246]  ? move_addr_to_kernel (net/socket.c:258)
[   13.627921][  T246]  ___sys_sendmsg (net/socket.c:2767)
[   13.627924][  T246]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.627940][  T246]  __sys_sendmsg (net/socket.c:2799)
[   13.627943][  T246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.627950][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.627953][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.627956][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.627959][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.627961][  T246] RIP: 0033:0x7fea60b4154e
[   13.627965][  T246] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.627967][  T246] RSP: 002b:00007fff8e34fa60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.627969][  T246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fea60b4154e
[   13.627970][  T246] RDX: 0000000000000000 RSI: 00007fff8e34fb10 RDI: 0000000000000005
[   13.627971][  T246] RBP: 00007fff8e34fa70 R08: 0000000000000000 R09: 0000000000000000
[   13.627972][  T246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc27
[   13.627973][  T246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8e3501e0
| [   33.951445][  T800] softirqs last disabled at (17150): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   33.951448][  T800] Preemption disabled at:
| [   33.951449][  T800] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.951457][  T800] Tainted: [W]=WARN
[   33.951457][  T800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.951459][  T800] Call Trace:
[   33.951461][  T800]  <TASK>
[   33.951462][  T800]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.951468][  T800]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.951470][  T800]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.951474][  T800]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.951479][  T800]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.951483][  T800]  __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))
[   33.951485][  T800]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.951491][  T800]  ? 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)
[   33.951494][  T800]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.951498][  T800]  put_chars (drivers/char/virtio_console.c:1176)
[   33.951501][  T800]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.951507][  T800]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.951514][  T800]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.951518][  T800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.951522][  T800]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.951526][  T800]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.951528][  T800]  ? 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))
[   33.951531][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.951534][  T800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.951538][  T800]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.951542][  T800]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.951544][  T800]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.951549][  T800]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.951552][  T800]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.951554][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.951556][  T800]  ? 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)
[   33.951560][  T800]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.951561][  T800]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.951564][  T800]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.951567][  T800]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.951570][  T800]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   33.951575][  T800]  _printk (kernel/printk/printk.c:2504)
[   33.951579][  T800]  ? snapshot_read.cold (user.c:?)
[   33.951580][  T800]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.951583][  T800]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.951586][  T800]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.951588][  T800]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.951593][  T800]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.951598][  T800]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.951602][  T800]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.951606][  T800]  ? netdev_notice (net/core/dev.c:13194)
[   33.951611][  T800]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.951616][  T800]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.951620][  T800]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   33.951626][  T800]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.951629][  T800]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   33.951631][  T800]  ? register_netdev (net/core/dev.c:11618)
[   33.951633][  T800]  ? 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))
[   33.951638][  T800]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   33.951641][  T800]  ? __kernel_text_address (kernel/extable.c:79)
[   33.951643][  T800]  ? write_profile (profile.c:?)
[   33.951648][  T800]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   33.951653][  T800]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.951657][  T800]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   33.951659][  T800]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.951660][  T800]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.951662][  T800]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.951666][  T800]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.951671][  T800]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.951673][  T800]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.951676][  T800]  ? kasan_save_stack (mm/kasan/common.c:58)
[   33.951678][  T800]  ? kasan_save_stack (mm/kasan/common.c:57)
[   33.951679][  T800]  ? kasan_save_track (mm/kasan/common.c:78)
[   33.951680][  T800]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   33.951683][  T800]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.951685][  T800]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   33.951688][  T800]  ? ___sys_sendmsg (net/socket.c:2758)
[   33.951692][  T800]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.951694][  T800]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.951696][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.951698][  T800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.951700][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.951701][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.951703][  T800]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.951705][  T800]  ? __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)
[   33.951706][  T800]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.951708][  T800]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.951711][  T800]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.951713][  T800]  ? nla_get_range_signed (lib/nlattr.c:270)
[   33.951718][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.951720][  T800]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   33.951725][  T800]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   33.951730][  T800]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.951732][  T800]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.951737][  T800]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.951739][  T800]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.951741][  T800]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.951743][  T800]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.951746][  T800]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.951748][  T800]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.951752][  T800]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.951753][  T800]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.951757][  T800]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.951759][  T800]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.951763][  T800]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.951772][  T800]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.951775][  T800]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.951782][  T800]  ? 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))
[   33.951784][  T800]  ? 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))
[   33.951788][  T800]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.951792][  T800]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.951795][  T800]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.951799][  T800]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.951803][  T800]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.951807][  T800]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.951809][  T800]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   33.951814][  T800]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   33.951817][  T800]  ____sys_sendmsg (net/socket.c:2713)
[   33.951819][  T800]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.951821][  T800]  ? sock_write_iter (net/socket.c:1269)
[   33.951823][  T800]  ? move_addr_to_kernel (net/socket.c:258)
[   33.951830][  T800]  ___sys_sendmsg (net/socket.c:2767)
[   33.951833][  T800]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.951849][  T800]  __sys_sendmsg (net/socket.c:2799)
[   33.951851][  T800]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.951858][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.951861][  T800]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.951864][  T800]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.951866][  T800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.951869][  T800] RIP: 0033:0x7f61eeb2a54e
[   33.951873][  T800] 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
[   33.951875][  T800] RSP: 002b:00007ffe8a50bd20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.951877][  T800] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f61eeb2a54e
[   33.951879][  T800] RDX: 0000000000000000 RSI: 00007ffe8a50bdd0 RDI: 0000000000000005
[   33.951880][  T800] RBP: 00007ffe8a50bd30 R08: 0000000000000000 R09: 0000000000000000
[   33.951880][  T800] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc3b
[   33.951881][  T800] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8a50c4a0
| [   54.941422][ T1356] softirqs last disabled at (19092): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   54.941425][ T1356] Preemption disabled at:
| [   54.941425][ T1356] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.941434][ T1356] Tainted: [W]=WARN
[   54.941435][ T1356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.941436][ T1356] Call Trace:
[   54.941438][ T1356]  <TASK>
[   54.941439][ T1356]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.941445][ T1356]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.941447][ T1356]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.941451][ T1356]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.941456][ T1356]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.941460][ T1356]  __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))
[   54.941462][ T1356]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.941469][ T1356]  ? 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)
[   54.941471][ T1356]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.941475][ T1356]  put_chars (drivers/char/virtio_console.c:1176)
[   54.941478][ T1356]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.941484][ T1356]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.941492][ T1356]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.941496][ T1356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.941500][ T1356]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.941505][ T1356]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.941506][ T1356]  ? 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))
[   54.941510][ T1356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.941513][ T1356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.941517][ T1356]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.941521][ T1356]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.941523][ T1356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.941528][ T1356]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.941531][ T1356]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.941533][ T1356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.941535][ T1356]  ? 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)
[   54.941539][ T1356]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.941541][ T1356]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.941544][ T1356]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.941547][ T1356]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.941549][ T1356]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   54.941555][ T1356]  _printk (kernel/printk/printk.c:2504)
[   54.941558][ T1356]  ? snapshot_read.cold (user.c:?)
[   54.941560][ T1356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.941562][ T1356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.941565][ T1356]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.941568][ T1356]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   54.941571][ T1356]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   54.941574][ T1356]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.941577][ T1356]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   54.941580][ T1356]  ? netdev_notice (net/core/dev.c:13194)
[   54.941582][ T1356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.941585][ T1356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.941588][ T1356]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.941592][ T1356]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.941594][ T1356]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   54.941596][ T1356]  ? register_netdev (net/core/dev.c:11618)
[   54.941597][ T1356]  ? 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))
[   54.941603][ T1356]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   54.941606][ T1356]  ? __kernel_text_address (kernel/extable.c:79)
[   54.941608][ T1356]  ? write_profile (profile.c:?)
[   54.941612][ T1356]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   54.941618][ T1356]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.941621][ T1356]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   54.941624][ T1356]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   54.941625][ T1356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.941627][ T1356]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.941630][ T1356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.941632][ T1356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.941634][ T1356]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.941636][ T1356]  ? kasan_save_stack (mm/kasan/common.c:58)
[   54.941638][ T1356]  ? kasan_save_stack (mm/kasan/common.c:57)
[   54.941639][ T1356]  ? kasan_save_track (mm/kasan/common.c:78)
[   54.941641][ T1356]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   54.941643][ T1356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.941645][ T1356]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   54.941648][ T1356]  ? ___sys_sendmsg (net/socket.c:2758)
[   54.941652][ T1356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.941654][ T1356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.941656][ T1356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.941658][ T1356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.941660][ T1356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.941661][ T1356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.941663][ T1356]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   54.941665][ T1356]  ? __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)
[   54.941666][ T1356]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   54.941671][ T1356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.941674][ T1356]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   54.941676][ T1356]  ? nla_get_range_signed (lib/nlattr.c:270)
[   54.941681][ T1356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.941683][ T1356]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   54.941691][ T1356]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.941701][ T1356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.941704][ T1356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.941708][ T1356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.941710][ T1356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.941712][ T1356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.941714][ T1356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.941718][ T1356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.941720][ T1356]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.941723][ T1356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.941724][ T1356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.941729][ T1356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.941731][ T1356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.941734][ T1356]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.941737][ T1356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.941740][ T1356]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.941747][ T1356]  ? 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))
[   54.941749][ T1356]  ? 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))
[   54.941753][ T1356]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.941757][ T1356]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.941760][ T1356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.941764][ T1356]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.941768][ T1356]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.941772][ T1356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.941774][ T1356]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   54.941779][ T1356]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   54.941782][ T1356]  ____sys_sendmsg (net/socket.c:2713)
[   54.941784][ T1356]  ? copy_msghdr_from_user (net/socket.c:2650)
[   54.941786][ T1356]  ? sock_write_iter (net/socket.c:1269)
[   54.941788][ T1356]  ? move_addr_to_kernel (net/socket.c:258)
[   54.941795][ T1356]  ___sys_sendmsg (net/socket.c:2767)
[   54.941798][ T1356]  ? copy_msghdr_from_user (net/socket.c:2619)
[   54.941814][ T1356]  __sys_sendmsg (net/socket.c:2799)
[   54.941817][ T1356]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   54.941823][ T1356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.941826][ T1356]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.941829][ T1356]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.941832][ T1356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.941835][ T1356] RIP: 0033:0x7fa3c59c254e
[   54.941838][ T1356] 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
[   54.941840][ T1356] RSP: 002b:00007ffedb214e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.941843][ T1356] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa3c59c254e
[   54.941844][ T1356] RDX: 0000000000000000 RSI: 00007ffedb214ef0 RDI: 0000000000000005
[   54.941845][ T1356] RBP: 00007ffedb214e50 R08: 0000000000000000 R09: 0000000000000000
[   54.941846][ T1356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc50
[   54.941847][ T1356] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedb2155c0
| [   75.526654][ T1887] softirqs last disabled at (17702): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   75.526656][ T1887] Preemption disabled at:
| [   75.526657][ T1887] vprintk_emit (kernel/printk/printk.c:2471)
| [   75.526666][ T1887] Tainted: [W]=WARN
[   75.526667][ T1887] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   75.526671][ T1887] Call Trace:
[   75.526673][ T1887]  <TASK>
[   75.526674][ T1887]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   75.526680][ T1887]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   75.526682][ T1887]  __might_resched.cold (kernel/sched/core.c:9234)
[   75.526686][ T1887]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   75.526690][ T1887]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   75.526695][ T1887]  __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))
[   75.526697][ T1887]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.526703][ T1887]  ? 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)
[   75.526706][ T1887]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.526710][ T1887]  put_chars (drivers/char/virtio_console.c:1176)
[   75.526712][ T1887]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   75.526719][ T1887]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   75.526727][ T1887]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   75.526730][ T1887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.526734][ T1887]  console_emit_next_record (kernel/printk/printk.c:3183)
[   75.526738][ T1887]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   75.526740][ T1887]  ? 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))
[   75.526744][ T1887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.526746][ T1887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.526750][ T1887]  console_flush_one_record (kernel/printk/printk.c:3268)
[   75.526755][ T1887]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   75.526757][ T1887]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.526762][ T1887]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   75.526765][ T1887]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   75.526767][ T1887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.526769][ T1887]  ? 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)
[   75.526772][ T1887]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   75.526774][ T1887]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   75.526777][ T1887]  vprintk_emit (kernel/printk/printk.c:2479)
[   75.526780][ T1887]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   75.526783][ T1887]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   75.526788][ T1887]  _printk (kernel/printk/printk.c:2504)
[   75.526792][ T1887]  ? snapshot_read.cold (user.c:?)
[   75.526793][ T1887]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   75.526796][ T1887]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   75.526798][ T1887]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   75.526801][ T1887]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   75.526805][ T1887]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   75.526807][ T1887]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   75.526810][ T1887]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   75.526812][ T1887]  ? netdev_notice (net/core/dev.c:13194)
[   75.526815][ T1887]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.526819][ T1887]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.526821][ T1887]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   75.526825][ T1887]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   75.526827][ T1887]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   75.526829][ T1887]  ? register_netdev (net/core/dev.c:11618)
[   75.526831][ T1887]  ? 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))
[   75.526836][ T1887]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   75.526838][ T1887]  ? __kernel_text_address (kernel/extable.c:79)
[   75.526841][ T1887]  ? write_profile (profile.c:?)
[   75.526845][ T1887]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   75.526851][ T1887]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   75.526854][ T1887]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   75.526856][ T1887]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   75.526858][ T1887]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   75.526859][ T1887]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   75.526863][ T1887]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   75.526865][ T1887]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   75.526867][ T1887]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   75.526869][ T1887]  ? kasan_save_stack (mm/kasan/common.c:58)
[   75.526871][ T1887]  ? kasan_save_stack (mm/kasan/common.c:57)
[   75.526872][ T1887]  ? kasan_save_track (mm/kasan/common.c:78)
[   75.526873][ T1887]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   75.526876][ T1887]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.526878][ T1887]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   75.526881][ T1887]  ? ___sys_sendmsg (net/socket.c:2758)
[   75.526885][ T1887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   75.526887][ T1887]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   75.526890][ T1887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.526891][ T1887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.526893][ T1887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.526894][ T1887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.526896][ T1887]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   75.526898][ T1887]  ? __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)
[   75.526899][ T1887]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   75.526901][ T1887]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   75.526905][ T1887]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   75.526906][ T1887]  ? nla_get_range_signed (lib/nlattr.c:270)
[   75.526911][ T1887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.526913][ T1887]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   75.526919][ T1887]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   75.526924][ T1887]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.526926][ T1887]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.526931][ T1887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   75.526932][ T1887]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.526934][ T1887]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.526936][ T1887]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.526940][ T1887]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.526942][ T1887]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.526945][ T1887]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.526947][ T1887]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.526951][ T1887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   75.526953][ T1887]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.526957][ T1887]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.526960][ T1887]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.526963][ T1887]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   75.526970][ T1887]  ? 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))
[   75.526972][ T1887]  ? 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))
[   75.526976][ T1887]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.526980][ T1887]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   75.526983][ T1887]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.526987][ T1887]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.526991][ T1887]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   75.526995][ T1887]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.526997][ T1887]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   75.527002][ T1887]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   75.527005][ T1887]  ____sys_sendmsg (net/socket.c:2713)
[   75.527008][ T1887]  ? copy_msghdr_from_user (net/socket.c:2650)
[   75.527010][ T1887]  ? sock_write_iter (net/socket.c:1269)
[   75.527012][ T1887]  ? move_addr_to_kernel (net/socket.c:258)
[   75.527019][ T1887]  ___sys_sendmsg (net/socket.c:2767)
[   75.527022][ T1887]  ? copy_msghdr_from_user (net/socket.c:2619)
[   75.527038][ T1887]  __sys_sendmsg (net/socket.c:2799)
[   75.527041][ T1887]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   75.527047][ T1887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.527050][ T1887]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.527053][ T1887]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   75.527056][ T1887]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.527059][ T1887] RIP: 0033:0x7f052559354e
[   75.527062][ T1887] 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
[   75.527064][ T1887] RSP: 002b:00007ffe348e3b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   75.527067][ T1887] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f052559354e
[   75.527068][ T1887] RDX: 0000000000000000 RSI: 00007ffe348e3be0 RDI: 0000000000000005
[   75.527069][ T1887] RBP: 00007ffe348e3b40 R08: 0000000000000000 R09: 0000000000000000
[   75.527070][ T1887] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc65
[   75.527071][ T1887] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe348e42b0
| [   96.105243][ T2418] softirqs last disabled at (19348): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   96.105246][ T2418] Preemption disabled at:
| [   96.105246][ T2418] vprintk_emit (kernel/printk/printk.c:2471)
| [   96.105254][ T2418] Tainted: [W]=WARN
[   96.105255][ T2418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   96.105257][ T2418] Call Trace:
[   96.105259][ T2418]  <TASK>
[   96.105260][ T2418]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   96.105266][ T2418]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   96.105267][ T2418]  __might_resched.cold (kernel/sched/core.c:9234)
[   96.105272][ T2418]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   96.105276][ T2418]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   96.105280][ T2418]  __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))
[   96.105282][ T2418]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.105295][ T2418]  ? 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)
[   96.105298][ T2418]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.105302][ T2418]  put_chars (drivers/char/virtio_console.c:1176)
[   96.105305][ T2418]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   96.105311][ T2418]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   96.105319][ T2418]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   96.105322][ T2418]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.105326][ T2418]  console_emit_next_record (kernel/printk/printk.c:3183)
[   96.105330][ T2418]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   96.105332][ T2418]  ? 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))
[   96.105336][ T2418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.105338][ T2418]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.105342][ T2418]  console_flush_one_record (kernel/printk/printk.c:3268)
[   96.105347][ T2418]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   96.105349][ T2418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.105354][ T2418]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   96.105357][ T2418]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   96.105359][ T2418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.105361][ T2418]  ? 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)
[   96.105364][ T2418]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   96.105366][ T2418]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   96.105369][ T2418]  vprintk_emit (kernel/printk/printk.c:2479)
[   96.105372][ T2418]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   96.105375][ T2418]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   96.105380][ T2418]  _printk (kernel/printk/printk.c:2504)
[   96.105383][ T2418]  ? snapshot_read.cold (user.c:?)
[   96.105385][ T2418]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   96.105387][ T2418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   96.105390][ T2418]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   96.105392][ T2418]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   96.105396][ T2418]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   96.105399][ T2418]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   96.105402][ T2418]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   96.105404][ T2418]  ? netdev_notice (net/core/dev.c:13194)
[   96.105407][ T2418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   96.105410][ T2418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.105413][ T2418]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   96.105416][ T2418]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   96.105418][ T2418]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   96.105421][ T2418]  ? register_netdev (net/core/dev.c:11618)
[   96.105422][ T2418]  ? 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))
[   96.105427][ T2418]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   96.105430][ T2418]  ? __kernel_text_address (kernel/extable.c:79)
[   96.105432][ T2418]  ? write_profile (profile.c:?)
[   96.105437][ T2418]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   96.105442][ T2418]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   96.105446][ T2418]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   96.105448][ T2418]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   96.105449][ T2418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   96.105451][ T2418]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   96.105455][ T2418]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   96.105457][ T2418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   96.105458][ T2418]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   96.105461][ T2418]  ? kasan_save_stack (mm/kasan/common.c:58)
[   96.105463][ T2418]  ? kasan_save_stack (mm/kasan/common.c:57)
[   96.105464][ T2418]  ? kasan_save_track (mm/kasan/common.c:78)
[   96.105465][ T2418]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   96.105468][ T2418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.105470][ T2418]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   96.105473][ T2418]  ? ___sys_sendmsg (net/socket.c:2758)
[   96.105477][ T2418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   96.105479][ T2418]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   96.105481][ T2418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.105483][ T2418]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.105485][ T2418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.105486][ T2418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.105487][ T2418]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   96.105490][ T2418]  ? __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)
[   96.105491][ T2418]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   96.105493][ T2418]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   96.105496][ T2418]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   96.105498][ T2418]  ? nla_get_range_signed (lib/nlattr.c:270)
[   96.105502][ T2418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.105505][ T2418]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   96.105510][ T2418]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   96.105515][ T2418]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   96.105517][ T2418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.105522][ T2418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   96.105524][ T2418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   96.105526][ T2418]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   96.105528][ T2418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.105531][ T2418]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   96.105533][ T2418]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   96.105537][ T2418]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   96.105538][ T2418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.105543][ T2418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   96.105545][ T2418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   96.105548][ T2418]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   96.105551][ T2418]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   96.105554][ T2418]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   96.105561][ T2418]  ? 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))
[   96.105563][ T2418]  ? 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))
[   96.105567][ T2418]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.105571][ T2418]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   96.105574][ T2418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   96.105578][ T2418]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.105582][ T2418]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   96.105586][ T2418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.105588][ T2418]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   96.105593][ T2418]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   96.105596][ T2418]  ____sys_sendmsg (net/socket.c:2713)
[   96.105598][ T2418]  ? copy_msghdr_from_user (net/socket.c:2650)
[   96.105601][ T2418]  ? sock_write_iter (net/socket.c:1269)
[   96.105602][ T2418]  ? move_addr_to_kernel (net/socket.c:258)
[   96.105610][ T2418]  ___sys_sendmsg (net/socket.c:2767)
[   96.105612][ T2418]  ? copy_msghdr_from_user (net/socket.c:2619)
[   96.105628][ T2418]  __sys_sendmsg (net/socket.c:2799)
[   96.105631][ T2418]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   96.105637][ T2418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.105640][ T2418]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   96.105643][ T2418]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   96.105646][ T2418]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.105648][ T2418] RIP: 0033:0x7f09df45f54e
[   96.105652][ T2418] 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
[   96.105654][ T2418] RSP: 002b:00007fffb27ea640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   96.105656][ T2418] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f09df45f54e
[   96.105658][ T2418] RDX: 0000000000000000 RSI: 00007fffb27ea6f0 RDI: 0000000000000005
[   96.105659][ T2418] RBP: 00007fffb27ea650 R08: 0000000000000000 R09: 0000000000000000
[   96.105659][ T2418] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc79
[   96.105660][ T2418] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb27eadc0
| [  185.601407][ T3793] softirqs last disabled at (23526): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  185.601410][ T3793] Preemption disabled at:
| [  185.601410][ T3793] vprintk_emit (kernel/printk/printk.c:2471)
| [  185.601419][ T3793] Tainted: [W]=WARN
[  185.601420][ T3793] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  185.601421][ T3793] Call Trace:
[  185.601423][ T3793]  <TASK>
[  185.601425][ T3793]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  185.601431][ T3793]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  185.601432][ T3793]  __might_resched.cold (kernel/sched/core.c:9234)
[  185.601437][ T3793]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  185.601441][ T3793]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  185.601446][ T3793]  __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))
[  185.601448][ T3793]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.601455][ T3793]  ? 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)
[  185.601457][ T3793]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.601462][ T3793]  put_chars (drivers/char/virtio_console.c:1176)
[  185.601464][ T3793]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  185.601471][ T3793]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  185.601479][ T3793]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  185.601482][ T3793]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.601487][ T3793]  console_emit_next_record (kernel/printk/printk.c:3183)
[  185.601491][ T3793]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  185.601493][ T3793]  ? 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))
[  185.601496][ T3793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.601499][ T3793]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.601503][ T3793]  console_flush_one_record (kernel/printk/printk.c:3268)
[  185.601508][ T3793]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  185.601510][ T3793]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.601515][ T3793]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  185.601518][ T3793]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  185.601520][ T3793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.601522][ T3793]  ? 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)
[  185.601526][ T3793]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  185.601528][ T3793]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  185.601530][ T3793]  vprintk_emit (kernel/printk/printk.c:2479)
[  185.601534][ T3793]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  185.601536][ T3793]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  185.601542][ T3793]  _printk (kernel/printk/printk.c:2504)
[  185.601545][ T3793]  ? snapshot_read.cold (user.c:?)
[  185.601547][ T3793]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  185.601550][ T3793]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  185.601553][ T3793]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  185.601555][ T3793]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  185.601559][ T3793]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  185.601562][ T3793]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  185.601564][ T3793]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  185.601567][ T3793]  ? netdev_notice (net/core/dev.c:13194)
[  185.601570][ T3793]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.601573][ T3793]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  185.601576][ T3793]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  185.601580][ T3793]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  185.601582][ T3793]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  185.601584][ T3793]  ? register_netdev (net/core/dev.c:11618)
[  185.601585][ T3793]  ? 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))
[  185.601591][ T3793]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  185.601594][ T3793]  ? __kernel_text_address (kernel/extable.c:79)
[  185.601596][ T3793]  ? write_profile (profile.c:?)
[  185.601601][ T3793]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  185.601607][ T3793]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  185.601610][ T3793]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  185.601612][ T3793]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  185.601614][ T3793]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  185.601616][ T3793]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  185.601619][ T3793]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  185.601621][ T3793]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  185.601623][ T3793]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  185.601626][ T3793]  ? kasan_save_stack (mm/kasan/common.c:58)
[  185.601628][ T3793]  ? kasan_save_stack (mm/kasan/common.c:57)
[  185.601629][ T3793]  ? kasan_save_track (mm/kasan/common.c:78)
[  185.601630][ T3793]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  185.601633][ T3793]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.601635][ T3793]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  185.601638][ T3793]  ? ___sys_sendmsg (net/socket.c:2758)
[  185.601642][ T3793]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  185.601644][ T3793]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  185.601647][ T3793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.601649][ T3793]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.601650][ T3793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.601652][ T3793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.601653][ T3793]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  185.601656][ T3793]  ? __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)
[  185.601657][ T3793]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  185.601659][ T3793]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  185.601663][ T3793]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  185.601664][ T3793]  ? nla_get_range_signed (lib/nlattr.c:270)
[  185.601672][ T3793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.601674][ T3793]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  185.601679][ T3793]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  185.601685][ T3793]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  185.601687][ T3793]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.601692][ T3793]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  185.601694][ T3793]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.601696][ T3793]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  185.601697][ T3793]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  185.601701][ T3793]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  185.601703][ T3793]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  185.601707][ T3793]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  185.601708][ T3793]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.601713][ T3793]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  185.601715][ T3793]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.601718][ T3793]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  185.601721][ T3793]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  185.601724][ T3793]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  185.601731][ T3793]  ? 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))
[  185.601733][ T3793]  ? 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))
[  185.601738][ T3793]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  185.601742][ T3793]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  185.601745][ T3793]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.601749][ T3793]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  185.601753][ T3793]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  185.601757][ T3793]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  185.601759][ T3793]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  185.601765][ T3793]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  185.601768][ T3793]  ____sys_sendmsg (net/socket.c:2713)
[  185.601770][ T3793]  ? copy_msghdr_from_user (net/socket.c:2650)
[  185.601772][ T3793]  ? sock_write_iter (net/socket.c:1269)
[  185.601774][ T3793]  ? move_addr_to_kernel (net/socket.c:258)
[  185.601781][ T3793]  ___sys_sendmsg (net/socket.c:2767)
[  185.601784][ T3793]  ? copy_msghdr_from_user (net/socket.c:2619)
[  185.601801][ T3793]  __sys_sendmsg (net/socket.c:2799)
[  185.601803][ T3793]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  185.601810][ T3793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.601813][ T3793]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  185.601816][ T3793]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  185.601819][ T3793]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  185.601821][ T3793] RIP: 0033:0x7f3897c7954e
[  185.601825][ T3793] 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
[  185.601827][ T3793] RSP: 002b:00007ffff3bbe110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  185.601829][ T3793] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3897c7954e
[  185.601831][ T3793] RDX: 0000000000000000 RSI: 00007ffff3bbe1c0 RDI: 0000000000000005
[  185.601832][ T3793] RBP: 00007ffff3bbe120 R08: 0000000000000000 R09: 0000000000000000
[  185.601833][ T3793] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcd3
[  185.601833][ T3793] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff3bbe890
| [  194.911288][ T4084] softirqs last disabled at (22084): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  194.911291][ T4084] Preemption disabled at:
| [  194.911291][ T4084] vprintk_emit (kernel/printk/printk.c:2471)
| [  194.911300][ T4084] Tainted: [W]=WARN
[  194.911300][ T4084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  194.911302][ T4084] Call Trace:
[  194.911303][ T4084]  <TASK>
[  194.911305][ T4084]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  194.911311][ T4084]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  194.911313][ T4084]  __might_resched.cold (kernel/sched/core.c:9234)
[  194.911317][ T4084]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  194.911322][ T4084]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  194.911326][ T4084]  __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))
[  194.911328][ T4084]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  194.911335][ T4084]  ? 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)
[  194.911338][ T4084]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  194.911342][ T4084]  put_chars (drivers/char/virtio_console.c:1176)
[  194.911344][ T4084]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  194.911351][ T4084]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  194.911359][ T4084]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  194.911362][ T4084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.911367][ T4084]  console_emit_next_record (kernel/printk/printk.c:3183)
[  194.911371][ T4084]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  194.911373][ T4084]  ? 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))
[  194.911377][ T4084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.911379][ T4084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.911384][ T4084]  console_flush_one_record (kernel/printk/printk.c:3268)
[  194.911388][ T4084]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  194.911390][ T4084]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.911396][ T4084]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  194.911399][ T4084]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  194.911400][ T4084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.911402][ T4084]  ? 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)
[  194.911406][ T4084]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  194.911408][ T4084]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  194.911411][ T4084]  vprintk_emit (kernel/printk/printk.c:2479)
[  194.911414][ T4084]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  194.911417][ T4084]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  194.911422][ T4084]  _printk (kernel/printk/printk.c:2504)
[  194.911426][ T4084]  ? snapshot_read.cold (user.c:?)
[  194.911428][ T4084]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  194.911430][ T4084]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  194.911433][ T4084]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  194.911436][ T4084]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  194.911439][ T4084]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  194.911442][ T4084]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  194.911445][ T4084]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  194.911448][ T4084]  ? netdev_notice (net/core/dev.c:13194)
[  194.911450][ T4084]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  194.911454][ T4084]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  194.911456][ T4084]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  194.911460][ T4084]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  194.911462][ T4084]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  194.911464][ T4084]  ? register_netdev (net/core/dev.c:11618)
[  194.911466][ T4084]  ? 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))
[  194.911471][ T4084]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  194.911474][ T4084]  ? __kernel_text_address (kernel/extable.c:79)
[  194.911477][ T4084]  ? write_profile (profile.c:?)
[  194.911481][ T4084]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  194.911487][ T4084]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  194.911490][ T4084]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  194.911492][ T4084]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  194.911494][ T4084]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  194.911495][ T4084]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  194.911499][ T4084]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  194.911501][ T4084]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  194.911503][ T4084]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  194.911505][ T4084]  ? kasan_save_stack (mm/kasan/common.c:58)
[  194.911507][ T4084]  ? kasan_save_stack (mm/kasan/common.c:57)
[  194.911508][ T4084]  ? kasan_save_track (mm/kasan/common.c:78)
[  194.911510][ T4084]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  194.911512][ T4084]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.911514][ T4084]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  194.911517][ T4084]  ? ___sys_sendmsg (net/socket.c:2758)
[  194.911521][ T4084]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  194.911523][ T4084]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  194.911526][ T4084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.911528][ T4084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.911530][ T4084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.911531][ T4084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.911532][ T4084]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  194.911535][ T4084]  ? __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)
[  194.911536][ T4084]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  194.911538][ T4084]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  194.911541][ T4084]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  194.911543][ T4084]  ? nla_get_range_signed (lib/nlattr.c:270)
[  194.911547][ T4084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.911550][ T4084]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  194.911555][ T4084]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  194.911561][ T4084]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  194.911563][ T4084]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.911567][ T4084]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  194.911569][ T4084]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  194.911571][ T4084]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  194.911573][ T4084]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  194.911577][ T4084]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  194.911579][ T4084]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  194.911582][ T4084]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  194.911584][ T4084]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.911588][ T4084]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  194.911590][ T4084]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  194.911594][ T4084]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  194.911597][ T4084]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  194.911600][ T4084]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  194.911607][ T4084]  ? 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))
[  194.911609][ T4084]  ? 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))
[  194.911614][ T4084]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  194.911618][ T4084]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  194.911620][ T4084]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  194.911625][ T4084]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  194.911629][ T4084]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  194.911633][ T4084]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  194.911634][ T4084]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  194.911640][ T4084]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  194.911643][ T4084]  ____sys_sendmsg (net/socket.c:2713)
[  194.911645][ T4084]  ? copy_msghdr_from_user (net/socket.c:2650)
[  194.911647][ T4084]  ? sock_write_iter (net/socket.c:1269)
[  194.911649][ T4084]  ? move_addr_to_kernel (net/socket.c:258)
[  194.911657][ T4084]  ___sys_sendmsg (net/socket.c:2767)
[  194.911660][ T4084]  ? copy_msghdr_from_user (net/socket.c:2619)
[  194.911679][ T4084]  __sys_sendmsg (net/socket.c:2799)
[  194.911682][ T4084]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  194.911688][ T4084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.911692][ T4084]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  194.911695][ T4084]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  194.911698][ T4084]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  194.911700][ T4084] RIP: 0033:0x7fb15110554e
[  194.911704][ T4084] 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
[  194.911705][ T4084] RSP: 002b:00007ffeaa164990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  194.911708][ T4084] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb15110554e
[  194.911710][ T4084] RDX: 0000000000000000 RSI: 00007ffeaa164a40 RDI: 0000000000000005
[  194.911711][ T4084] RBP: 00007ffeaa1649a0 R08: 0000000000000000 R09: 0000000000000000
[  194.911711][ T4084] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcdc
[  194.911712][ T4084] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeaa165110
| [  268.893429][ T5103] softirqs last disabled at (24106): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  268.893432][ T5103] Preemption disabled at:
| [  268.893432][ T5103] vprintk_emit (kernel/printk/printk.c:2471)
| [  268.893441][ T5103] Tainted: [W]=WARN
[  268.893442][ T5103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  268.893444][ T5103] Call Trace:
[  268.893446][ T5103]  <TASK>
[  268.893447][ T5103]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  268.893454][ T5103]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  268.893455][ T5103]  __might_resched.cold (kernel/sched/core.c:9234)
[  268.893460][ T5103]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  268.893464][ T5103]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  268.893469][ T5103]  __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))
[  268.893471][ T5103]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  268.893478][ T5103]  ? 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)
[  268.893481][ T5103]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  268.893486][ T5103]  put_chars (drivers/char/virtio_console.c:1176)
[  268.893488][ T5103]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  268.893495][ T5103]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  268.893503][ T5103]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  268.893506][ T5103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  268.893511][ T5103]  console_emit_next_record (kernel/printk/printk.c:3183)
[  268.893515][ T5103]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  268.893517][ T5103]  ? 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))
[  268.893521][ T5103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.893523][ T5103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  268.893528][ T5103]  console_flush_one_record (kernel/printk/printk.c:3268)
[  268.893532][ T5103]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  268.893534][ T5103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.893540][ T5103]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  268.893543][ T5103]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  268.893545][ T5103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.893547][ T5103]  ? 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)
[  268.893551][ T5103]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  268.893552][ T5103]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  268.893555][ T5103]  vprintk_emit (kernel/printk/printk.c:2479)
[  268.893559][ T5103]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  268.893561][ T5103]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  268.893567][ T5103]  _printk (kernel/printk/printk.c:2504)
[  268.893570][ T5103]  ? snapshot_read.cold (user.c:?)
[  268.893572][ T5103]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  268.893575][ T5103]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  268.893578][ T5103]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  268.893580][ T5103]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  268.893584][ T5103]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  268.893587][ T5103]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  268.893589][ T5103]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  268.893592][ T5103]  ? netdev_notice (net/core/dev.c:13194)
[  268.893595][ T5103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  268.893598][ T5103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  268.893601][ T5103]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  268.893605][ T5103]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  268.893607][ T5103]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  268.893609][ T5103]  ? register_netdev (net/core/dev.c:11618)
[  268.893610][ T5103]  ? 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))
[  268.893616][ T5103]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  268.893619][ T5103]  ? __kernel_text_address (kernel/extable.c:79)
[  268.893621][ T5103]  ? write_profile (profile.c:?)
[  268.893625][ T5103]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  268.893631][ T5103]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  268.893635][ T5103]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  268.893637][ T5103]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  268.893639][ T5103]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  268.893641][ T5103]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  268.893644][ T5103]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  268.893646][ T5103]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  268.893648][ T5103]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  268.893651][ T5103]  ? kasan_save_stack (mm/kasan/common.c:58)
[  268.893653][ T5103]  ? kasan_save_stack (mm/kasan/common.c:57)
[  268.893654][ T5103]  ? kasan_save_track (mm/kasan/common.c:78)
[  268.893655][ T5103]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  268.893658][ T5103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.893660][ T5103]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  268.893663][ T5103]  ? ___sys_sendmsg (net/socket.c:2758)
[  268.893667][ T5103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  268.893672][ T5103]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  268.893675][ T5103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.893677][ T5103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  268.893679][ T5103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.893680][ T5103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.893682][ T5103]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  268.893684][ T5103]  ? __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)
[  268.893685][ T5103]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  268.893687][ T5103]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  268.893696][ T5103]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  268.893698][ T5103]  ? nla_get_range_signed (lib/nlattr.c:270)
[  268.893703][ T5103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.893705][ T5103]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  268.893711][ T5103]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  268.893716][ T5103]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  268.893719][ T5103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.893723][ T5103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  268.893725][ T5103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  268.893727][ T5103]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  268.893729][ T5103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  268.893733][ T5103]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  268.893735][ T5103]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  268.893739][ T5103]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  268.893740][ T5103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.893745][ T5103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  268.893747][ T5103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  268.893751][ T5103]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  268.893754][ T5103]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  268.893757][ T5103]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  268.893764][ T5103]  ? 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))
[  268.893766][ T5103]  ? 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))
[  268.893771][ T5103]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  268.893775][ T5103]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  268.893777][ T5103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  268.893782][ T5103]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  268.893786][ T5103]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  268.893790][ T5103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  268.893792][ T5103]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  268.893797][ T5103]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  268.893800][ T5103]  ____sys_sendmsg (net/socket.c:2713)
[  268.893803][ T5103]  ? copy_msghdr_from_user (net/socket.c:2650)
[  268.893805][ T5103]  ? sock_write_iter (net/socket.c:1269)
[  268.893807][ T5103]  ? move_addr_to_kernel (net/socket.c:258)
[  268.893815][ T5103]  ___sys_sendmsg (net/socket.c:2767)
[  268.893818][ T5103]  ? copy_msghdr_from_user (net/socket.c:2619)
[  268.893834][ T5103]  __sys_sendmsg (net/socket.c:2799)
[  268.893837][ T5103]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  268.893844][ T5103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.893847][ T5103]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  268.893850][ T5103]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  268.893853][ T5103]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  268.893856][ T5103] RIP: 0033:0x7f852fcd154e
[  268.893859][ T5103] 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
[  268.893861][ T5103] RSP: 002b:00007ffc461df7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  268.893864][ T5103] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f852fcd154e
[  268.893866][ T5103] RDX: 0000000000000000 RSI: 00007ffc461df850 RDI: 0000000000000005
[  268.893867][ T5103] RBP: 00007ffc461df7b0 R08: 0000000000000000 R09: 0000000000000000
[  268.893868][ T5103] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd26
[  268.893868][ T5103] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc461dff20
| [  324.532434][ T6988] softirqs last disabled at (18158): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  324.532437][ T6988] Preemption disabled at:
| [  324.532437][ T6988] vprintk_emit (kernel/printk/printk.c:2471)
| [  324.532446][ T6988] Tainted: [W]=WARN
[  324.532447][ T6988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  324.532448][ T6988] Call Trace:
[  324.532450][ T6988]  <TASK>
[  324.532452][ T6988]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  324.532458][ T6988]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  324.532460][ T6988]  __might_resched.cold (kernel/sched/core.c:9234)
[  324.532464][ T6988]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  324.532469][ T6988]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  324.532473][ T6988]  __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))
[  324.532475][ T6988]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  324.532482][ T6988]  ? 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)
[  324.532485][ T6988]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  324.532489][ T6988]  put_chars (drivers/char/virtio_console.c:1176)
[  324.532492][ T6988]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  324.532499][ T6988]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  324.532506][ T6988]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  324.532510][ T6988]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  324.532514][ T6988]  console_emit_next_record (kernel/printk/printk.c:3183)
[  324.532519][ T6988]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  324.532521][ T6988]  ? 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))
[  324.532524][ T6988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.532527][ T6988]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  324.532531][ T6988]  console_flush_one_record (kernel/printk/printk.c:3268)
[  324.532536][ T6988]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  324.532538][ T6988]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.532543][ T6988]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  324.532546][ T6988]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  324.532548][ T6988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.532550][ T6988]  ? 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)
[  324.532554][ T6988]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  324.532556][ T6988]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  324.532559][ T6988]  vprintk_emit (kernel/printk/printk.c:2479)
[  324.532562][ T6988]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  324.532565][ T6988]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  324.532570][ T6988]  _printk (kernel/printk/printk.c:2504)
[  324.532574][ T6988]  ? snapshot_read.cold (user.c:?)
[  324.532576][ T6988]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  324.532579][ T6988]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  324.532582][ T6988]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  324.532584][ T6988]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  324.532588][ T6988]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  324.532591][ T6988]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  324.532593][ T6988]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  324.532596][ T6988]  ? netdev_notice (net/core/dev.c:13194)
[  324.532599][ T6988]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  324.532602][ T6988]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  324.532605][ T6988]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  324.532609][ T6988]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  324.532611][ T6988]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  324.532613][ T6988]  ? register_netdev (net/core/dev.c:11618)
[  324.532615][ T6988]  ? 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))
[  324.532620][ T6988]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  324.532623][ T6988]  ? __kernel_text_address (kernel/extable.c:79)
[  324.532626][ T6988]  ? write_profile (profile.c:?)
[  324.532630][ T6988]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  324.532636][ T6988]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  324.532640][ T6988]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  324.532642][ T6988]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  324.532643][ T6988]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  324.532645][ T6988]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  324.532648][ T6988]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  324.532651][ T6988]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  324.532652][ T6988]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  324.532655][ T6988]  ? kasan_save_stack (mm/kasan/common.c:58)
[  324.532657][ T6988]  ? kasan_save_stack (mm/kasan/common.c:57)
[  324.532658][ T6988]  ? kasan_save_track (mm/kasan/common.c:78)
[  324.532660][ T6988]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  324.532662][ T6988]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.532664][ T6988]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  324.532667][ T6988]  ? ___sys_sendmsg (net/socket.c:2758)
[  324.532674][ T6988]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  324.532677][ T6988]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  324.532679][ T6988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.532681][ T6988]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  324.532683][ T6988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.532684][ T6988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.532686][ T6988]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  324.532688][ T6988]  ? __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)
[  324.532690][ T6988]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  324.532692][ T6988]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  324.532695][ T6988]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  324.532696][ T6988]  ? nla_get_range_signed (lib/nlattr.c:270)
[  324.532701][ T6988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.532704][ T6988]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  324.532709][ T6988]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  324.532714][ T6988]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  324.532716][ T6988]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.532721][ T6988]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  324.532723][ T6988]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  324.532725][ T6988]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  324.532727][ T6988]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  324.532731][ T6988]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  324.532733][ T6988]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  324.532737][ T6988]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  324.532738][ T6988]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.532743][ T6988]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  324.532745][ T6988]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  324.532748][ T6988]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  324.532752][ T6988]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  324.532755][ T6988]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  324.532761][ T6988]  ? 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))
[  324.532763][ T6988]  ? 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))
[  324.532768][ T6988]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  324.532772][ T6988]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  324.532775][ T6988]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  324.532779][ T6988]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  324.532784][ T6988]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  324.532787][ T6988]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  324.532789][ T6988]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  324.532795][ T6988]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  324.532798][ T6988]  ____sys_sendmsg (net/socket.c:2713)
[  324.532800][ T6988]  ? copy_msghdr_from_user (net/socket.c:2650)
[  324.532802][ T6988]  ? sock_write_iter (net/socket.c:1269)
[  324.532804][ T6988]  ? move_addr_to_kernel (net/socket.c:258)
[  324.532812][ T6988]  ___sys_sendmsg (net/socket.c:2767)
[  324.532814][ T6988]  ? copy_msghdr_from_user (net/socket.c:2619)
[  324.532831][ T6988]  __sys_sendmsg (net/socket.c:2799)
[  324.532834][ T6988]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  324.532840][ T6988]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.532843][ T6988]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  324.532846][ T6988]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  324.532849][ T6988]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  324.532852][ T6988] RIP: 0033:0x7f7dccb4854e
[  324.532856][ T6988] 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
[  324.532858][ T6988] RSP: 002b:00007ffcd0ccbab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  324.532860][ T6988] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7dccb4854e
[  324.532862][ T6988] RDX: 0000000000000000 RSI: 00007ffcd0ccbb60 RDI: 0000000000000005
[  324.532863][ T6988] RBP: 00007ffcd0ccbac0 R08: 0000000000000000 R09: 0000000000000000
[  324.532863][ T6988] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd5e
[  324.532864][ T6988] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd0ccc230
| [  352.034212][ T7937] softirqs last disabled at (27632): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  352.034215][ T7937] Preemption disabled at:
| [  352.034215][ T7937] vprintk_emit (kernel/printk/printk.c:2471)
| [  352.034230][ T7937] Tainted: [W]=WARN
[  352.034231][ T7937] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  352.034233][ T7937] Call Trace:
[  352.034234][ T7937]  <TASK>
[  352.034236][ T7937]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  352.034242][ T7937]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  352.034244][ T7937]  __might_resched.cold (kernel/sched/core.c:9234)
[  352.034248][ T7937]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  352.034252][ T7937]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  352.034257][ T7937]  __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))
[  352.034259][ T7937]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  352.034265][ T7937]  ? 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)
[  352.034268][ T7937]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  352.034272][ T7937]  put_chars (drivers/char/virtio_console.c:1176)
[  352.034275][ T7937]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  352.034281][ T7937]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  352.034289][ T7937]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  352.034292][ T7937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.034297][ T7937]  console_emit_next_record (kernel/printk/printk.c:3183)
[  352.034301][ T7937]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  352.034303][ T7937]  ? 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))
[  352.034306][ T7937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.034309][ T7937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.034313][ T7937]  console_flush_one_record (kernel/printk/printk.c:3268)
[  352.034317][ T7937]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  352.034319][ T7937]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.034325][ T7937]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  352.034328][ T7937]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  352.034330][ T7937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.034332][ T7937]  ? 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)
[  352.034336][ T7937]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  352.034338][ T7937]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  352.034340][ T7937]  vprintk_emit (kernel/printk/printk.c:2479)
[  352.034344][ T7937]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  352.034346][ T7937]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  352.034351][ T7937]  _printk (kernel/printk/printk.c:2504)
[  352.034355][ T7937]  ? snapshot_read.cold (user.c:?)
[  352.034357][ T7937]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  352.034360][ T7937]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  352.034363][ T7937]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  352.034365][ T7937]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  352.034369][ T7937]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  352.034372][ T7937]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  352.034374][ T7937]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  352.034377][ T7937]  ? netdev_notice (net/core/dev.c:13194)
[  352.034380][ T7937]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  352.034383][ T7937]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  352.034386][ T7937]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  352.034389][ T7937]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  352.034391][ T7937]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  352.034394][ T7937]  ? register_netdev (net/core/dev.c:11618)
[  352.034395][ T7937]  ? 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))
[  352.034400][ T7937]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  352.034403][ T7937]  ? __kernel_text_address (kernel/extable.c:79)
[  352.034406][ T7937]  ? write_profile (profile.c:?)
[  352.034410][ T7937]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  352.034415][ T7937]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  352.034419][ T7937]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  352.034421][ T7937]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  352.034422][ T7937]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  352.034424][ T7937]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  352.034428][ T7937]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  352.034430][ T7937]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  352.034432][ T7937]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  352.034434][ T7937]  ? kasan_save_stack (mm/kasan/common.c:58)
[  352.034436][ T7937]  ? kasan_save_stack (mm/kasan/common.c:57)
[  352.034437][ T7937]  ? kasan_save_track (mm/kasan/common.c:78)
[  352.034439][ T7937]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  352.034441][ T7937]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.034443][ T7937]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  352.034446][ T7937]  ? ___sys_sendmsg (net/socket.c:2758)
[  352.034450][ T7937]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  352.034452][ T7937]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  352.034455][ T7937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.034457][ T7937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.034459][ T7937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.034460][ T7937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.034461][ T7937]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  352.034464][ T7937]  ? __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)
[  352.034465][ T7937]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  352.034467][ T7937]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  352.034470][ T7937]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  352.034472][ T7937]  ? nla_get_range_signed (lib/nlattr.c:270)
[  352.034477][ T7937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.034479][ T7937]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  352.034484][ T7937]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  352.034490][ T7937]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  352.034492][ T7937]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.034496][ T7937]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  352.034498][ T7937]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  352.034500][ T7937]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  352.034502][ T7937]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  352.034506][ T7937]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  352.034508][ T7937]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  352.034511][ T7937]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  352.034513][ T7937]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.034517][ T7937]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  352.034519][ T7937]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  352.034523][ T7937]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  352.034526][ T7937]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  352.034529][ T7937]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  352.034536][ T7937]  ? 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))
[  352.034538][ T7937]  ? 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))
[  352.034543][ T7937]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  352.034547][ T7937]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  352.034549][ T7937]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  352.034553][ T7937]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  352.034558][ T7937]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  352.034561][ T7937]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  352.034563][ T7937]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  352.034569][ T7937]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  352.034571][ T7937]  ____sys_sendmsg (net/socket.c:2713)
[  352.034574][ T7937]  ? copy_msghdr_from_user (net/socket.c:2650)
[  352.034576][ T7937]  ? sock_write_iter (net/socket.c:1269)
[  352.034578][ T7937]  ? move_addr_to_kernel (net/socket.c:258)
[  352.034585][ T7937]  ___sys_sendmsg (net/socket.c:2767)
[  352.034588][ T7937]  ? copy_msghdr_from_user (net/socket.c:2619)
[  352.034605][ T7937]  __sys_sendmsg (net/socket.c:2799)
[  352.034608][ T7937]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  352.034614][ T7937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.034617][ T7937]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  352.034620][ T7937]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  352.034623][ T7937]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  352.034625][ T7937] RIP: 0033:0x7f8c7e7d354e
[  352.034629][ T7937] 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
[  352.034631][ T7937] RSP: 002b:00007ffc4c0cb910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  352.034634][ T7937] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8c7e7d354e
[  352.034635][ T7937] RDX: 0000000000000000 RSI: 00007ffc4c0cb9c0 RDI: 0000000000000005
[  352.034636][ T7937] RBP: 00007ffc4c0cb920 R08: 0000000000000000 R09: 0000000000000000
[  352.034637][ T7937] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd79
[  352.034638][ T7937] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4c0cc090
| [  359.352762][ T8145] softirqs last disabled at (21054): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  359.352764][ T8145] Preemption disabled at:
| [  359.352765][ T8145] vprintk_emit (kernel/printk/printk.c:2471)
| [  359.352773][ T8145] Tainted: [W]=WARN
[  359.352774][ T8145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  359.352776][ T8145] Call Trace:
[  359.352778][ T8145]  <TASK>
[  359.352779][ T8145]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  359.352785][ T8145]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  359.352787][ T8145]  __might_resched.cold (kernel/sched/core.c:9234)
[  359.352791][ T8145]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  359.352796][ T8145]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  359.352800][ T8145]  __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))
[  359.352802][ T8145]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  359.352809][ T8145]  ? 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)
[  359.352811][ T8145]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  359.352815][ T8145]  put_chars (drivers/char/virtio_console.c:1176)
[  359.352818][ T8145]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  359.352824][ T8145]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  359.352832][ T8145]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  359.352835][ T8145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.352840][ T8145]  console_emit_next_record (kernel/printk/printk.c:3183)
[  359.352844][ T8145]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  359.352846][ T8145]  ? 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))
[  359.352849][ T8145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.352852][ T8145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.352856][ T8145]  console_flush_one_record (kernel/printk/printk.c:3268)
[  359.352860][ T8145]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  359.352862][ T8145]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  359.352867][ T8145]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  359.352870][ T8145]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  359.352872][ T8145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.352874][ T8145]  ? 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)
[  359.352878][ T8145]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  359.352879][ T8145]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  359.352882][ T8145]  vprintk_emit (kernel/printk/printk.c:2479)
[  359.352885][ T8145]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  359.352888][ T8145]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  359.352893][ T8145]  _printk (kernel/printk/printk.c:2504)
[  359.352897][ T8145]  ? snapshot_read.cold (user.c:?)
[  359.352899][ T8145]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  359.352901][ T8145]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  359.352904][ T8145]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  359.352906][ T8145]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  359.352910][ T8145]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  359.352913][ T8145]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  359.352915][ T8145]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  359.352918][ T8145]  ? netdev_notice (net/core/dev.c:13194)
[  359.352921][ T8145]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  359.352924][ T8145]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  359.352927][ T8145]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  359.352930][ T8145]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  359.352932][ T8145]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  359.352935][ T8145]  ? register_netdev (net/core/dev.c:11618)
[  359.352936][ T8145]  ? 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))
[  359.352941][ T8145]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  359.352944][ T8145]  ? __kernel_text_address (kernel/extable.c:79)
[  359.352946][ T8145]  ? write_profile (profile.c:?)
[  359.352951][ T8145]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  359.352956][ T8145]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  359.352960][ T8145]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  359.352962][ T8145]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  359.352963][ T8145]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  359.352965][ T8145]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  359.352969][ T8145]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  359.352971][ T8145]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  359.352972][ T8145]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  359.352975][ T8145]  ? kasan_save_stack (mm/kasan/common.c:58)
[  359.352977][ T8145]  ? kasan_save_stack (mm/kasan/common.c:57)
[  359.352978][ T8145]  ? kasan_save_track (mm/kasan/common.c:78)
[  359.352979][ T8145]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  359.352982][ T8145]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  359.352984][ T8145]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  359.352987][ T8145]  ? ___sys_sendmsg (net/socket.c:2758)
[  359.352991][ T8145]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  359.352993][ T8145]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  359.352996][ T8145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.352998][ T8145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.352999][ T8145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.353001][ T8145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.353002][ T8145]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  359.353005][ T8145]  ? __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)
[  359.353006][ T8145]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  359.353008][ T8145]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  359.353011][ T8145]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  359.353013][ T8145]  ? nla_get_range_signed (lib/nlattr.c:270)
[  359.353017][ T8145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.353020][ T8145]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  359.353025][ T8145]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  359.353030][ T8145]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  359.353032][ T8145]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  359.353037][ T8145]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  359.353039][ T8145]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  359.353041][ T8145]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  359.353043][ T8145]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  359.353047][ T8145]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  359.353049][ T8145]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  359.353052][ T8145]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  359.353053][ T8145]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  359.353058][ T8145]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  359.353060][ T8145]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  359.353063][ T8145]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  359.353067][ T8145]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  359.353070][ T8145]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  359.353077][ T8145]  ? 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))
[  359.353079][ T8145]  ? 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))
[  359.353084][ T8145]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  359.353088][ T8145]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  359.353090][ T8145]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  359.353095][ T8145]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  359.353099][ T8145]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  359.353102][ T8145]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  359.353104][ T8145]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  359.353109][ T8145]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  359.353112][ T8145]  ____sys_sendmsg (net/socket.c:2713)
[  359.353115][ T8145]  ? copy_msghdr_from_user (net/socket.c:2650)
[  359.353117][ T8145]  ? sock_write_iter (net/socket.c:1269)
[  359.353119][ T8145]  ? move_addr_to_kernel (net/socket.c:258)
[  359.353126][ T8145]  ___sys_sendmsg (net/socket.c:2767)
[  359.353129][ T8145]  ? copy_msghdr_from_user (net/socket.c:2619)
[  359.353145][ T8145]  __sys_sendmsg (net/socket.c:2799)
[  359.353148][ T8145]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  359.353154][ T8145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.353157][ T8145]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  359.353160][ T8145]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  359.353163][ T8145]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  359.353166][ T8145] RIP: 0033:0x7fab6300054e
[  359.353169][ T8145] 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
[  359.353171][ T8145] RSP: 002b:00007ffc6a020a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  359.353174][ T8145] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fab6300054e
[  359.353175][ T8145] RDX: 0000000000000000 RSI: 00007ffc6a020af0 RDI: 0000000000000005
[  359.353176][ T8145] RBP: 00007ffc6a020a50 R08: 0000000000000000 R09: 0000000000000000
[  359.353177][ T8145] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd81
[  359.353178][ T8145] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6a0211c0
| [  368.915289][ T8418] softirqs last disabled at (19732): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  368.915292][ T8418] Preemption disabled at:
| [  368.915292][ T8418] vprintk_emit (kernel/printk/printk.c:2471)
| [  368.915301][ T8418] Tainted: [W]=WARN
[  368.915302][ T8418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  368.915303][ T8418] Call Trace:
[  368.915305][ T8418]  <TASK>
[  368.915306][ T8418]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  368.915312][ T8418]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  368.915314][ T8418]  __might_resched.cold (kernel/sched/core.c:9234)
[  368.915318][ T8418]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  368.915323][ T8418]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  368.915328][ T8418]  __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))
[  368.915336][ T8418]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  368.915343][ T8418]  ? 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)
[  368.915347][ T8418]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  368.915351][ T8418]  put_chars (drivers/char/virtio_console.c:1176)
[  368.915353][ T8418]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  368.915359][ T8418]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  368.915367][ T8418]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  368.915370][ T8418]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  368.915375][ T8418]  console_emit_next_record (kernel/printk/printk.c:3183)
[  368.915379][ T8418]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  368.915381][ T8418]  ? 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))
[  368.915384][ T8418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  368.915387][ T8418]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  368.915391][ T8418]  console_flush_one_record (kernel/printk/printk.c:3268)
[  368.915396][ T8418]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  368.915398][ T8418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  368.915403][ T8418]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  368.915406][ T8418]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  368.915408][ T8418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  368.915410][ T8418]  ? 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)
[  368.915413][ T8418]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  368.915415][ T8418]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  368.915418][ T8418]  vprintk_emit (kernel/printk/printk.c:2479)
[  368.915421][ T8418]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  368.915424][ T8418]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  368.915429][ T8418]  _printk (kernel/printk/printk.c:2504)
[  368.915433][ T8418]  ? snapshot_read.cold (user.c:?)
[  368.915435][ T8418]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  368.915437][ T8418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  368.915440][ T8418]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  368.915442][ T8418]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  368.915446][ T8418]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  368.915449][ T8418]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  368.915451][ T8418]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  368.915454][ T8418]  ? netdev_notice (net/core/dev.c:13194)
[  368.915457][ T8418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  368.915460][ T8418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  368.915463][ T8418]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  368.915466][ T8418]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  368.915468][ T8418]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  368.915471][ T8418]  ? register_netdev (net/core/dev.c:11618)
[  368.915472][ T8418]  ? 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))
[  368.915478][ T8418]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  368.915480][ T8418]  ? __kernel_text_address (kernel/extable.c:79)
[  368.915483][ T8418]  ? write_profile (profile.c:?)
[  368.915487][ T8418]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  368.915493][ T8418]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  368.915497][ T8418]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  368.915499][ T8418]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  368.915500][ T8418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  368.915502][ T8418]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  368.915506][ T8418]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  368.915507][ T8418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  368.915509][ T8418]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  368.915512][ T8418]  ? kasan_save_stack (mm/kasan/common.c:58)
[  368.915514][ T8418]  ? kasan_save_stack (mm/kasan/common.c:57)
[  368.915515][ T8418]  ? kasan_save_track (mm/kasan/common.c:78)
[  368.915517][ T8418]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  368.915519][ T8418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  368.915521][ T8418]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  368.915524][ T8418]  ? ___sys_sendmsg (net/socket.c:2758)
[  368.915528][ T8418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  368.915530][ T8418]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  368.915533][ T8418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  368.915535][ T8418]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  368.915536][ T8418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  368.915537][ T8418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  368.915539][ T8418]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  368.915541][ T8418]  ? __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)
[  368.915543][ T8418]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  368.915545][ T8418]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  368.915548][ T8418]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  368.915549][ T8418]  ? nla_get_range_signed (lib/nlattr.c:270)
[  368.915554][ T8418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  368.915557][ T8418]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  368.915562][ T8418]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  368.915567][ T8418]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  368.915569][ T8418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  368.915574][ T8418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  368.915576][ T8418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  368.915578][ T8418]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  368.915580][ T8418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  368.915584][ T8418]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  368.915586][ T8418]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  368.915589][ T8418]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  368.915590][ T8418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  368.915595][ T8418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  368.915597][ T8418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  368.915600][ T8418]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  368.915604][ T8418]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  368.915607][ T8418]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  368.915613][ T8418]  ? 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))
[  368.915616][ T8418]  ? 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))
[  368.915620][ T8418]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  368.915624][ T8418]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  368.915627][ T8418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  368.915631][ T8418]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  368.915635][ T8418]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  368.915639][ T8418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  368.915641][ T8418]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  368.915646][ T8418]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  368.915649][ T8418]  ____sys_sendmsg (net/socket.c:2713)
[  368.915652][ T8418]  ? copy_msghdr_from_user (net/socket.c:2650)
[  368.915654][ T8418]  ? sock_write_iter (net/socket.c:1269)
[  368.915656][ T8418]  ? move_addr_to_kernel (net/socket.c:258)
[  368.915663][ T8418]  ___sys_sendmsg (net/socket.c:2767)
[  368.915666][ T8418]  ? copy_msghdr_from_user (net/socket.c:2619)
[  368.915685][ T8418]  __sys_sendmsg (net/socket.c:2799)
[  368.915688][ T8418]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  368.915694][ T8418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  368.915697][ T8418]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  368.915700][ T8418]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  368.915703][ T8418]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  368.915705][ T8418] RIP: 0033:0x7f284a37c54e
[  368.915709][ T8418] 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
[  368.915711][ T8418] RSP: 002b:00007ffe335d1e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  368.915714][ T8418] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f284a37c54e
[  368.915715][ T8418] RDX: 0000000000000000 RSI: 00007ffe335d1f40 RDI: 0000000000000005
[  368.915716][ T8418] RBP: 00007ffe335d1ea0 R08: 0000000000000000 R09: 0000000000000000
[  368.915717][ T8418] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd8a
[  368.915718][ T8418] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe335d2610
| [  377.732293][ T8554] softirqs last disabled at (18830): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  377.732296][ T8554] Preemption disabled at:
| [  377.732296][ T8554] vprintk_emit (kernel/printk/printk.c:2471)
| [  377.732305][ T8554] Tainted: [W]=WARN
[  377.732306][ T8554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  377.732307][ T8554] Call Trace:
[  377.732309][ T8554]  <TASK>
[  377.732311][ T8554]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  377.732317][ T8554]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  377.732319][ T8554]  __might_resched.cold (kernel/sched/core.c:9234)
[  377.732323][ T8554]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  377.732328][ T8554]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  377.732332][ T8554]  __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))
[  377.732334][ T8554]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  377.732341][ T8554]  ? 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)
[  377.732344][ T8554]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  377.732348][ T8554]  put_chars (drivers/char/virtio_console.c:1176)
[  377.732351][ T8554]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  377.732357][ T8554]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  377.732365][ T8554]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  377.732368][ T8554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  377.732373][ T8554]  console_emit_next_record (kernel/printk/printk.c:3183)
[  377.732377][ T8554]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  377.732379][ T8554]  ? 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))
[  377.732383][ T8554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.732385][ T8554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  377.732395][ T8554]  console_flush_one_record (kernel/printk/printk.c:3268)
[  377.732399][ T8554]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  377.732401][ T8554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  377.732407][ T8554]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  377.732410][ T8554]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  377.732412][ T8554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.732413][ T8554]  ? 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)
[  377.732417][ T8554]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  377.732419][ T8554]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  377.732422][ T8554]  vprintk_emit (kernel/printk/printk.c:2479)
[  377.732425][ T8554]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  377.732428][ T8554]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  377.732433][ T8554]  _printk (kernel/printk/printk.c:2504)
[  377.732437][ T8554]  ? snapshot_read.cold (user.c:?)
[  377.732438][ T8554]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  377.732441][ T8554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  377.732444][ T8554]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  377.732446][ T8554]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  377.732450][ T8554]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  377.732453][ T8554]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  377.732455][ T8554]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  377.732458][ T8554]  ? netdev_notice (net/core/dev.c:13194)
[  377.732461][ T8554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  377.732464][ T8554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  377.732467][ T8554]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  377.732470][ T8554]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  377.732472][ T8554]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  377.732475][ T8554]  ? register_netdev (net/core/dev.c:11618)
[  377.732476][ T8554]  ? 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))
[  377.732482][ T8554]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  377.732484][ T8554]  ? __kernel_text_address (kernel/extable.c:79)
[  377.732487][ T8554]  ? write_profile (profile.c:?)
[  377.732491][ T8554]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  377.732497][ T8554]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  377.732500][ T8554]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  377.732503][ T8554]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  377.732504][ T8554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  377.732506][ T8554]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  377.732509][ T8554]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  377.732511][ T8554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  377.732513][ T8554]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  377.732516][ T8554]  ? kasan_save_stack (mm/kasan/common.c:58)
[  377.732517][ T8554]  ? kasan_save_stack (mm/kasan/common.c:57)
[  377.732519][ T8554]  ? kasan_save_track (mm/kasan/common.c:78)
[  377.732520][ T8554]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  377.732522][ T8554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  377.732524][ T8554]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  377.732528][ T8554]  ? ___sys_sendmsg (net/socket.c:2758)
[  377.732531][ T8554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  377.732533][ T8554]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  377.732536][ T8554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.732538][ T8554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  377.732539][ T8554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.732541][ T8554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.732542][ T8554]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  377.732545][ T8554]  ? __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)
[  377.732546][ T8554]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  377.732548][ T8554]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  377.732551][ T8554]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  377.732552][ T8554]  ? nla_get_range_signed (lib/nlattr.c:270)
[  377.732557][ T8554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.732560][ T8554]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  377.732565][ T8554]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  377.732570][ T8554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  377.732572][ T8554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  377.732577][ T8554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  377.732579][ T8554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  377.732581][ T8554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  377.732583][ T8554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  377.732586][ T8554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  377.732589][ T8554]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  377.732592][ T8554]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  377.732593][ T8554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  377.732598][ T8554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  377.732600][ T8554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  377.732603][ T8554]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  377.732606][ T8554]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  377.732609][ T8554]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  377.732616][ T8554]  ? 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))
[  377.732618][ T8554]  ? 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))
[  377.732623][ T8554]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  377.732627][ T8554]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  377.732629][ T8554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  377.732634][ T8554]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  377.732638][ T8554]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  377.732642][ T8554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  377.732643][ T8554]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  377.732649][ T8554]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  377.732652][ T8554]  ____sys_sendmsg (net/socket.c:2713)
[  377.732654][ T8554]  ? copy_msghdr_from_user (net/socket.c:2650)
[  377.732657][ T8554]  ? sock_write_iter (net/socket.c:1269)
[  377.732658][ T8554]  ? move_addr_to_kernel (net/socket.c:258)
[  377.732666][ T8554]  ___sys_sendmsg (net/socket.c:2767)
[  377.732671][ T8554]  ? copy_msghdr_from_user (net/socket.c:2619)
[  377.732688][ T8554]  __sys_sendmsg (net/socket.c:2799)
[  377.732690][ T8554]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  377.732697][ T8554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.732700][ T8554]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  377.732703][ T8554]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  377.732706][ T8554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  377.732708][ T8554] RIP: 0033:0x7f9f61ed354e
[  377.732712][ T8554] 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
[  377.732714][ T8554] RSP: 002b:00007ffe9f9daba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  377.732717][ T8554] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9f61ed354e
[  377.732718][ T8554] RDX: 0000000000000000 RSI: 00007ffe9f9dac50 RDI: 0000000000000005
[  377.732719][ T8554] RBP: 00007ffe9f9dabb0 R08: 0000000000000000 R09: 0000000000000000
[  377.732720][ T8554] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd93
[  377.732721][ T8554] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9f9db320
| [  384.556322][ T8690] softirqs last disabled at (17012): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  384.556325][ T8690] Preemption disabled at:
| [  384.556326][ T8690] vprintk_emit (kernel/printk/printk.c:2471)
| [  384.556337][ T8690] Tainted: [W]=WARN
[  384.556338][ T8690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  384.556340][ T8690] Call Trace:
[  384.556343][ T8690]  <TASK>
[  384.556345][ T8690]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  384.556352][ T8690]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  384.556354][ T8690]  __might_resched.cold (kernel/sched/core.c:9234)
[  384.556360][ T8690]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  384.556366][ T8690]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  384.556372][ T8690]  __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))
[  384.556375][ T8690]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  384.556385][ T8690]  ? 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)
[  384.556388][ T8690]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  384.556394][ T8690]  put_chars (drivers/char/virtio_console.c:1176)
[  384.556398][ T8690]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  384.556409][ T8690]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  384.556421][ T8690]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  384.556426][ T8690]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  384.556440][ T8690]  console_emit_next_record (kernel/printk/printk.c:3183)
[  384.556446][ T8690]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  384.556449][ T8690]  ? 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))
[  384.556454][ T8690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.556458][ T8690]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  384.556464][ T8690]  console_flush_one_record (kernel/printk/printk.c:3268)
[  384.556471][ T8690]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  384.556474][ T8690]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  384.556483][ T8690]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  384.556487][ T8690]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  384.556490][ T8690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.556493][ T8690]  ? 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)
[  384.556499][ T8690]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  384.556502][ T8690]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  384.556507][ T8690]  vprintk_emit (kernel/printk/printk.c:2479)
[  384.556512][ T8690]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  384.556516][ T8690]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  384.556524][ T8690]  _printk (kernel/printk/printk.c:2504)
[  384.556529][ T8690]  ? snapshot_read.cold (user.c:?)
[  384.556531][ T8690]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  384.556536][ T8690]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  384.556540][ T8690]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  384.556543][ T8690]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  384.556548][ T8690]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  384.556552][ T8690]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  384.556556][ T8690]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  384.556560][ T8690]  ? netdev_notice (net/core/dev.c:13194)
[  384.556564][ T8690]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  384.556569][ T8690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  384.556573][ T8690]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  384.556579][ T8690]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  384.556583][ T8690]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  384.556586][ T8690]  ? register_netdev (net/core/dev.c:11618)
[  384.556588][ T8690]  ? 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))
[  384.556596][ T8690]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  384.556600][ T8690]  ? __kernel_text_address (kernel/extable.c:79)
[  384.556604][ T8690]  ? write_profile (profile.c:?)
[  384.556610][ T8690]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  384.556618][ T8690]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  384.556624][ T8690]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  384.556627][ T8690]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  384.556629][ T8690]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  384.556631][ T8690]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  384.556634][ T8690]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  384.556636][ T8690]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  384.556638][ T8690]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  384.556641][ T8690]  ? kasan_save_stack (mm/kasan/common.c:58)
[  384.556643][ T8690]  ? kasan_save_stack (mm/kasan/common.c:57)
[  384.556644][ T8690]  ? kasan_save_track (mm/kasan/common.c:78)
[  384.556645][ T8690]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  384.556648][ T8690]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  384.556650][ T8690]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  384.556653][ T8690]  ? ___sys_sendmsg (net/socket.c:2758)
[  384.556657][ T8690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  384.556659][ T8690]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  384.556662][ T8690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.556664][ T8690]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  384.556665][ T8690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.556667][ T8690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.556671][ T8690]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  384.556674][ T8690]  ? __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)
[  384.556675][ T8690]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  384.556677][ T8690]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  384.556681][ T8690]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  384.556682][ T8690]  ? nla_get_range_signed (lib/nlattr.c:270)
[  384.556687][ T8690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.556689][ T8690]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  384.556695][ T8690]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  384.556700][ T8690]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  384.556702][ T8690]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  384.556707][ T8690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  384.556709][ T8690]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  384.556711][ T8690]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  384.556712][ T8690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  384.556716][ T8690]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  384.556719][ T8690]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  384.556722][ T8690]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  384.556723][ T8690]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  384.556728][ T8690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  384.556730][ T8690]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  384.556733][ T8690]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  384.556737][ T8690]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  384.556740][ T8690]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  384.556746][ T8690]  ? 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))
[  384.556748][ T8690]  ? 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))
[  384.556753][ T8690]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  384.556757][ T8690]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  384.556760][ T8690]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  384.556764][ T8690]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  384.556768][ T8690]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  384.556772][ T8690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  384.556774][ T8690]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  384.556779][ T8690]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  384.556782][ T8690]  ____sys_sendmsg (net/socket.c:2713)
[  384.556785][ T8690]  ? copy_msghdr_from_user (net/socket.c:2650)
[  384.556787][ T8690]  ? sock_write_iter (net/socket.c:1269)
[  384.556789][ T8690]  ? move_addr_to_kernel (net/socket.c:258)
[  384.556796][ T8690]  ___sys_sendmsg (net/socket.c:2767)
[  384.556799][ T8690]  ? copy_msghdr_from_user (net/socket.c:2619)
[  384.556815][ T8690]  __sys_sendmsg (net/socket.c:2799)
[  384.556818][ T8690]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  384.556825][ T8690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.556828][ T8690]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  384.556831][ T8690]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  384.556834][ T8690]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  384.556836][ T8690] RIP: 0033:0x7f1f74f9d54e
[  384.556840][ T8690] 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
[  384.556842][ T8690] RSP: 002b:00007ffff7ebe450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  384.556845][ T8690] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1f74f9d54e
[  384.556846][ T8690] RDX: 0000000000000000 RSI: 00007ffff7ebe500 RDI: 0000000000000005
[  384.556847][ T8690] RBP: 00007ffff7ebe460 R08: 0000000000000000 R09: 0000000000000000
[  384.556848][ T8690] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd9a
[  384.556849][ T8690] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff7ebebd0
| [  393.647349][ T8833] softirqs last disabled at (23576): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  393.647351][ T8833] Preemption disabled at:
| [  393.647352][ T8833] vprintk_emit (kernel/printk/printk.c:2471)
| [  393.647361][ T8833] Tainted: [W]=WARN
[  393.647361][ T8833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  393.647363][ T8833] Call Trace:
[  393.647365][ T8833]  <TASK>
[  393.647366][ T8833]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  393.647372][ T8833]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  393.647374][ T8833]  __might_resched.cold (kernel/sched/core.c:9234)
[  393.647379][ T8833]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  393.647383][ T8833]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  393.647388][ T8833]  __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))
[  393.647390][ T8833]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  393.647397][ T8833]  ? 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)
[  393.647400][ T8833]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  393.647404][ T8833]  put_chars (drivers/char/virtio_console.c:1176)
[  393.647406][ T8833]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  393.647413][ T8833]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  393.647421][ T8833]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  393.647424][ T8833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  393.647429][ T8833]  console_emit_next_record (kernel/printk/printk.c:3183)
[  393.647433][ T8833]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  393.647436][ T8833]  ? 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))
[  393.647439][ T8833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.647442][ T8833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  393.647446][ T8833]  console_flush_one_record (kernel/printk/printk.c:3268)
[  393.647451][ T8833]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  393.647453][ T8833]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  393.647458][ T8833]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  393.647461][ T8833]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  393.647463][ T8833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.647465][ T8833]  ? 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)
[  393.647469][ T8833]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  393.647471][ T8833]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  393.647474][ T8833]  vprintk_emit (kernel/printk/printk.c:2479)
[  393.647477][ T8833]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  393.647480][ T8833]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  393.647485][ T8833]  _printk (kernel/printk/printk.c:2504)
[  393.647495][ T8833]  ? snapshot_read.cold (user.c:?)
[  393.647497][ T8833]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  393.647500][ T8833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  393.647503][ T8833]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  393.647505][ T8833]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  393.647509][ T8833]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  393.647512][ T8833]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  393.647514][ T8833]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  393.647517][ T8833]  ? netdev_notice (net/core/dev.c:13194)
[  393.647520][ T8833]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  393.647523][ T8833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  393.647526][ T8833]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  393.647530][ T8833]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  393.647532][ T8833]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  393.647534][ T8833]  ? register_netdev (net/core/dev.c:11618)
[  393.647536][ T8833]  ? 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))
[  393.647541][ T8833]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  393.647544][ T8833]  ? __kernel_text_address (kernel/extable.c:79)
[  393.647547][ T8833]  ? write_profile (profile.c:?)
[  393.647551][ T8833]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  393.647556][ T8833]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  393.647560][ T8833]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  393.647562][ T8833]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  393.647564][ T8833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  393.647566][ T8833]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  393.647569][ T8833]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  393.647571][ T8833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  393.647573][ T8833]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  393.647575][ T8833]  ? kasan_save_stack (mm/kasan/common.c:58)
[  393.647577][ T8833]  ? kasan_save_stack (mm/kasan/common.c:57)
[  393.647579][ T8833]  ? kasan_save_track (mm/kasan/common.c:78)
[  393.647580][ T8833]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  393.647582][ T8833]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  393.647584][ T8833]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  393.647587][ T8833]  ? ___sys_sendmsg (net/socket.c:2758)
[  393.647591][ T8833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  393.647593][ T8833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  393.647596][ T8833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.647598][ T8833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  393.647600][ T8833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.647601][ T8833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.647603][ T8833]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  393.647605][ T8833]  ? __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)
[  393.647606][ T8833]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  393.647608][ T8833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  393.647612][ T8833]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  393.647613][ T8833]  ? nla_get_range_signed (lib/nlattr.c:270)
[  393.647618][ T8833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.647620][ T8833]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  393.647626][ T8833]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  393.647631][ T8833]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  393.647633][ T8833]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  393.647638][ T8833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  393.647640][ T8833]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  393.647642][ T8833]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  393.647644][ T8833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  393.647648][ T8833]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  393.647650][ T8833]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  393.647653][ T8833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  393.647654][ T8833]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  393.647659][ T8833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  393.647661][ T8833]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  393.647665][ T8833]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  393.647670][ T8833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  393.647674][ T8833]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  393.647680][ T8833]  ? 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))
[  393.647682][ T8833]  ? 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))
[  393.647687][ T8833]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  393.647691][ T8833]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  393.647694][ T8833]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  393.647698][ T8833]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  393.647702][ T8833]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  393.647706][ T8833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  393.647708][ T8833]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  393.647713][ T8833]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  393.647716][ T8833]  ____sys_sendmsg (net/socket.c:2713)
[  393.647719][ T8833]  ? copy_msghdr_from_user (net/socket.c:2650)
[  393.647721][ T8833]  ? sock_write_iter (net/socket.c:1269)
[  393.647723][ T8833]  ? move_addr_to_kernel (net/socket.c:258)
[  393.647730][ T8833]  ___sys_sendmsg (net/socket.c:2767)
[  393.647733][ T8833]  ? copy_msghdr_from_user (net/socket.c:2619)
[  393.647749][ T8833]  __sys_sendmsg (net/socket.c:2799)
[  393.647752][ T8833]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  393.647759][ T8833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.647762][ T8833]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  393.647765][ T8833]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  393.647768][ T8833]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  393.647770][ T8833] RIP: 0033:0x7f5571e4354e
[  393.647774][ T8833] 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
[  393.647776][ T8833] RSP: 002b:00007fff52b9b1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  393.647778][ T8833] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5571e4354e
[  393.647780][ T8833] RDX: 0000000000000000 RSI: 00007fff52b9b250 RDI: 0000000000000005
[  393.647781][ T8833] RBP: 00007fff52b9b1b0 R08: 0000000000000000 R09: 0000000000000000
[  393.647782][ T8833] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fda3
[  393.647783][ T8833] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff52b9b920
| [  402.449487][ T8976] softirqs last disabled at (19864): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  402.449490][ T8976] Preemption disabled at:
| [  402.449491][ T8976] vprintk_emit (kernel/printk/printk.c:2471)
| [  402.449499][ T8976] Tainted: [W]=WARN
[  402.449500][ T8976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  402.449501][ T8976] Call Trace:
[  402.449503][ T8976]  <TASK>
[  402.449505][ T8976]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  402.449511][ T8976]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  402.449512][ T8976]  __might_resched.cold (kernel/sched/core.c:9234)
[  402.449517][ T8976]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  402.449521][ T8976]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  402.449526][ T8976]  __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))
[  402.449528][ T8976]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  402.449535][ T8976]  ? 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)
[  402.449538][ T8976]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  402.449542][ T8976]  put_chars (drivers/char/virtio_console.c:1176)
[  402.449550][ T8976]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  402.449557][ T8976]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  402.449565][ T8976]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  402.449568][ T8976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  402.449573][ T8976]  console_emit_next_record (kernel/printk/printk.c:3183)
[  402.449577][ T8976]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  402.449579][ T8976]  ? 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))
[  402.449582][ T8976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  402.449585][ T8976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  402.449589][ T8976]  console_flush_one_record (kernel/printk/printk.c:3268)
[  402.449594][ T8976]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  402.449596][ T8976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  402.449601][ T8976]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  402.449604][ T8976]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  402.449606][ T8976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  402.449608][ T8976]  ? 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)
[  402.449612][ T8976]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  402.449614][ T8976]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  402.449616][ T8976]  vprintk_emit (kernel/printk/printk.c:2479)
[  402.449620][ T8976]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  402.449622][ T8976]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  402.449627][ T8976]  _printk (kernel/printk/printk.c:2504)
[  402.449631][ T8976]  ? snapshot_read.cold (user.c:?)
[  402.449633][ T8976]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  402.449636][ T8976]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  402.449639][ T8976]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  402.449641][ T8976]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  402.449645][ T8976]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  402.449648][ T8976]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  402.449650][ T8976]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  402.449653][ T8976]  ? netdev_notice (net/core/dev.c:13194)
[  402.449656][ T8976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  402.449659][ T8976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  402.449662][ T8976]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  402.449665][ T8976]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  402.449667][ T8976]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  402.449672][ T8976]  ? register_netdev (net/core/dev.c:11618)
[  402.449674][ T8976]  ? 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))
[  402.449679][ T8976]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  402.449682][ T8976]  ? __kernel_text_address (kernel/extable.c:79)
[  402.449684][ T8976]  ? write_profile (profile.c:?)
[  402.449689][ T8976]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  402.449695][ T8976]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  402.449698][ T8976]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  402.449700][ T8976]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  402.449702][ T8976]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  402.449704][ T8976]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  402.449707][ T8976]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  402.449709][ T8976]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  402.449711][ T8976]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  402.449714][ T8976]  ? kasan_save_stack (mm/kasan/common.c:58)
[  402.449716][ T8976]  ? kasan_save_stack (mm/kasan/common.c:57)
[  402.449717][ T8976]  ? kasan_save_track (mm/kasan/common.c:78)
[  402.449718][ T8976]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  402.449721][ T8976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  402.449723][ T8976]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  402.449726][ T8976]  ? ___sys_sendmsg (net/socket.c:2758)
[  402.449730][ T8976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  402.449732][ T8976]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  402.449735][ T8976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  402.449737][ T8976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  402.449738][ T8976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  402.449739][ T8976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  402.449741][ T8976]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  402.449744][ T8976]  ? __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)
[  402.449745][ T8976]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  402.449747][ T8976]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  402.449750][ T8976]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  402.449752][ T8976]  ? nla_get_range_signed (lib/nlattr.c:270)
[  402.449757][ T8976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  402.449759][ T8976]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  402.449764][ T8976]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  402.449770][ T8976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  402.449772][ T8976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  402.449776][ T8976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  402.449778][ T8976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  402.449780][ T8976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  402.449782][ T8976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  402.449786][ T8976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  402.449788][ T8976]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  402.449791][ T8976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  402.449793][ T8976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  402.449797][ T8976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  402.449799][ T8976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  402.449803][ T8976]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  402.449806][ T8976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  402.449809][ T8976]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  402.449816][ T8976]  ? 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))
[  402.449818][ T8976]  ? 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))
[  402.449822][ T8976]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  402.449827][ T8976]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  402.449829][ T8976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  402.449834][ T8976]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  402.449838][ T8976]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  402.449841][ T8976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  402.449843][ T8976]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  402.449849][ T8976]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  402.449852][ T8976]  ____sys_sendmsg (net/socket.c:2713)
[  402.449854][ T8976]  ? copy_msghdr_from_user (net/socket.c:2650)
[  402.449856][ T8976]  ? sock_write_iter (net/socket.c:1269)
[  402.449858][ T8976]  ? move_addr_to_kernel (net/socket.c:258)
[  402.449865][ T8976]  ___sys_sendmsg (net/socket.c:2767)
[  402.449868][ T8976]  ? copy_msghdr_from_user (net/socket.c:2619)
[  402.449884][ T8976]  __sys_sendmsg (net/socket.c:2799)
[  402.449887][ T8976]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  402.449894][ T8976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  402.449897][ T8976]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  402.449900][ T8976]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  402.449903][ T8976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  402.449905][ T8976] RIP: 0033:0x7ff6d388c54e
[  402.449909][ T8976] 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
[  402.449911][ T8976] RSP: 002b:00007fff799f6c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  402.449914][ T8976] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff6d388c54e
[  402.449915][ T8976] RDX: 0000000000000000 RSI: 00007fff799f6ce0 RDI: 0000000000000005
[  402.449916][ T8976] RBP: 00007fff799f6c40 R08: 0000000000000000 R09: 0000000000000000
[  402.449917][ T8976] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdac
[  402.449918][ T8976] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff799f73b0
| [  411.480358][ T9119] softirqs last disabled at (23600): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  411.480361][ T9119] Preemption disabled at:
| [  411.480362][ T9119] vprintk_emit (kernel/printk/printk.c:2471)
| [  411.480370][ T9119] Tainted: [W]=WARN
[  411.480372][ T9119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  411.480373][ T9119] Call Trace:
[  411.480375][ T9119]  <TASK>
[  411.480377][ T9119]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  411.480383][ T9119]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  411.480384][ T9119]  __might_resched.cold (kernel/sched/core.c:9234)
[  411.480389][ T9119]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  411.480393][ T9119]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  411.480398][ T9119]  __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))
[  411.480399][ T9119]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  411.480406][ T9119]  ? 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)
[  411.480409][ T9119]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  411.480413][ T9119]  put_chars (drivers/char/virtio_console.c:1176)
[  411.480416][ T9119]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  411.480422][ T9119]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  411.480430][ T9119]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  411.480433][ T9119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  411.480438][ T9119]  console_emit_next_record (kernel/printk/printk.c:3183)
[  411.480442][ T9119]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  411.480444][ T9119]  ? 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))
[  411.480447][ T9119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.480450][ T9119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  411.480454][ T9119]  console_flush_one_record (kernel/printk/printk.c:3268)
[  411.480458][ T9119]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  411.480460][ T9119]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  411.480466][ T9119]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  411.480469][ T9119]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  411.480471][ T9119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.480472][ T9119]  ? 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)
[  411.480476][ T9119]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  411.480478][ T9119]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  411.480481][ T9119]  vprintk_emit (kernel/printk/printk.c:2479)
[  411.480484][ T9119]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  411.480487][ T9119]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  411.480492][ T9119]  _printk (kernel/printk/printk.c:2504)
[  411.480496][ T9119]  ? snapshot_read.cold (user.c:?)
[  411.480498][ T9119]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  411.480500][ T9119]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  411.480503][ T9119]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  411.480505][ T9119]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  411.480509][ T9119]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  411.480512][ T9119]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  411.480514][ T9119]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  411.480517][ T9119]  ? netdev_notice (net/core/dev.c:13194)
[  411.480520][ T9119]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  411.480523][ T9119]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  411.480526][ T9119]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  411.480530][ T9119]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  411.480532][ T9119]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  411.480534][ T9119]  ? register_netdev (net/core/dev.c:11618)
[  411.480536][ T9119]  ? 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))
[  411.480541][ T9119]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  411.480544][ T9119]  ? __kernel_text_address (kernel/extable.c:79)
[  411.480546][ T9119]  ? write_profile (profile.c:?)
[  411.480550][ T9119]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  411.480556][ T9119]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  411.480560][ T9119]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  411.480562][ T9119]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  411.480563][ T9119]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  411.480565][ T9119]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  411.480569][ T9119]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  411.480571][ T9119]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  411.480573][ T9119]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  411.480575][ T9119]  ? kasan_save_stack (mm/kasan/common.c:58)
[  411.480577][ T9119]  ? kasan_save_stack (mm/kasan/common.c:57)
[  411.480578][ T9119]  ? kasan_save_track (mm/kasan/common.c:78)
[  411.480580][ T9119]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  411.480582][ T9119]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  411.480584][ T9119]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  411.480587][ T9119]  ? ___sys_sendmsg (net/socket.c:2758)
[  411.480591][ T9119]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  411.480593][ T9119]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  411.480596][ T9119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.480598][ T9119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  411.480599][ T9119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.480600][ T9119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.480609][ T9119]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  411.480612][ T9119]  ? __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)
[  411.480613][ T9119]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  411.480615][ T9119]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  411.480619][ T9119]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  411.480620][ T9119]  ? nla_get_range_signed (lib/nlattr.c:270)
[  411.480625][ T9119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.480627][ T9119]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  411.480633][ T9119]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  411.480638][ T9119]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  411.480640][ T9119]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  411.480645][ T9119]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  411.480647][ T9119]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  411.480649][ T9119]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  411.480651][ T9119]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  411.480655][ T9119]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  411.480657][ T9119]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  411.480660][ T9119]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  411.480661][ T9119]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  411.480666][ T9119]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  411.480671][ T9119]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  411.480674][ T9119]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  411.480677][ T9119]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  411.480680][ T9119]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  411.480687][ T9119]  ? 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))
[  411.480689][ T9119]  ? 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))
[  411.480694][ T9119]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  411.480698][ T9119]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  411.480701][ T9119]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  411.480705][ T9119]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  411.480709][ T9119]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  411.480713][ T9119]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  411.480715][ T9119]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  411.480720][ T9119]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  411.480723][ T9119]  ____sys_sendmsg (net/socket.c:2713)
[  411.480725][ T9119]  ? copy_msghdr_from_user (net/socket.c:2650)
[  411.480728][ T9119]  ? sock_write_iter (net/socket.c:1269)
[  411.480729][ T9119]  ? move_addr_to_kernel (net/socket.c:258)
[  411.480737][ T9119]  ___sys_sendmsg (net/socket.c:2767)
[  411.480740][ T9119]  ? copy_msghdr_from_user (net/socket.c:2619)
[  411.480756][ T9119]  __sys_sendmsg (net/socket.c:2799)
[  411.480759][ T9119]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  411.480766][ T9119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.480769][ T9119]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  411.480772][ T9119]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  411.480775][ T9119]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  411.480777][ T9119] RIP: 0033:0x7f19bdb6054e
[  411.480781][ T9119] 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
[  411.480783][ T9119] RSP: 002b:00007ffc240e7300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  411.480785][ T9119] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f19bdb6054e
[  411.480787][ T9119] RDX: 0000000000000000 RSI: 00007ffc240e73b0 RDI: 0000000000000005
[  411.480788][ T9119] RBP: 00007ffc240e7310 R08: 0000000000000000 R09: 0000000000000000
[  411.480789][ T9119] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdb5
[  411.480790][ T9119] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc240e7a80
| [  422.012350][ T9262] softirqs last disabled at (34988): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  422.012353][ T9262] Preemption disabled at:
| [  422.012354][ T9262] vprintk_emit (kernel/printk/printk.c:2471)
| [  422.012365][ T9262] Tainted: [W]=WARN
[  422.012366][ T9262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  422.012368][ T9262] Call Trace:
[  422.012370][ T9262]  <TASK>
[  422.012372][ T9262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  422.012379][ T9262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  422.012382][ T9262]  __might_resched.cold (kernel/sched/core.c:9234)
[  422.012388][ T9262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  422.012394][ T9262]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  422.012400][ T9262]  __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))
[  422.012403][ T9262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  422.012413][ T9262]  ? 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)
[  422.012417][ T9262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  422.012423][ T9262]  put_chars (drivers/char/virtio_console.c:1176)
[  422.012427][ T9262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  422.012438][ T9262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  422.012449][ T9262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  422.012454][ T9262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.012461][ T9262]  console_emit_next_record (kernel/printk/printk.c:3183)
[  422.012468][ T9262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  422.012470][ T9262]  ? 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))
[  422.012476][ T9262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.012479][ T9262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.012486][ T9262]  console_flush_one_record (kernel/printk/printk.c:3268)
[  422.012493][ T9262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  422.012496][ T9262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.012505][ T9262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  422.012509][ T9262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  422.012512][ T9262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.012515][ T9262]  ? 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)
[  422.012521][ T9262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  422.012524][ T9262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  422.012529][ T9262]  vprintk_emit (kernel/printk/printk.c:2479)
[  422.012534][ T9262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  422.012539][ T9262]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  422.012547][ T9262]  _printk (kernel/printk/printk.c:2504)
[  422.012552][ T9262]  ? snapshot_read.cold (user.c:?)
[  422.012554][ T9262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  422.012559][ T9262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  422.012563][ T9262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  422.012566][ T9262]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  422.012571][ T9262]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  422.012575][ T9262]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  422.012579][ T9262]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  422.012583][ T9262]  ? netdev_notice (net/core/dev.c:13194)
[  422.012588][ T9262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.012593][ T9262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  422.012597][ T9262]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  422.012603][ T9262]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  422.012608][ T9262]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  422.012611][ T9262]  ? register_netdev (net/core/dev.c:11618)
[  422.012614][ T9262]  ? 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))
[  422.012622][ T9262]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  422.012625][ T9262]  ? __kernel_text_address (kernel/extable.c:79)
[  422.012629][ T9262]  ? write_profile (profile.c:?)
[  422.012635][ T9262]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  422.012644][ T9262]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  422.012649][ T9262]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  422.012653][ T9262]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  422.012655][ T9262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  422.012658][ T9262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  422.012662][ T9262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  422.012666][ T9262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  422.012675][ T9262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  422.012679][ T9262]  ? kasan_save_stack (mm/kasan/common.c:58)
[  422.012682][ T9262]  ? kasan_save_stack (mm/kasan/common.c:57)
[  422.012684][ T9262]  ? kasan_save_track (mm/kasan/common.c:78)
[  422.012686][ T9262]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  422.012690][ T9262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.012693][ T9262]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  422.012697][ T9262]  ? ___sys_sendmsg (net/socket.c:2758)
[  422.012704][ T9262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  422.012707][ T9262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  422.012711][ T9262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.012714][ T9262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.012716][ T9262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.012718][ T9262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.012721][ T9262]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  422.012725][ T9262]  ? __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)
[  422.012727][ T9262]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  422.012730][ T9262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  422.012736][ T9262]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  422.012738][ T9262]  ? nla_get_range_signed (lib/nlattr.c:270)
[  422.012746][ T9262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.012750][ T9262]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  422.012759][ T9262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  422.012768][ T9262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  422.012771][ T9262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.012779][ T9262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  422.012782][ T9262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.012785][ T9262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  422.012788][ T9262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  422.012794][ T9262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  422.012798][ T9262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  422.012803][ T9262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  422.012805][ T9262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.012813][ T9262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  422.012816][ T9262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.012822][ T9262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  422.012826][ T9262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  422.012831][ T9262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  422.012843][ T9262]  ? 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))
[  422.012846][ T9262]  ? 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))
[  422.012853][ T9262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  422.012860][ T9262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  422.012864][ T9262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.012871][ T9262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  422.012878][ T9262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  422.012885][ T9262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  422.012887][ T9262]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  422.012895][ T9262]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  422.012900][ T9262]  ____sys_sendmsg (net/socket.c:2713)
[  422.012904][ T9262]  ? copy_msghdr_from_user (net/socket.c:2650)
[  422.012908][ T9262]  ? sock_write_iter (net/socket.c:1269)
[  422.012911][ T9262]  ? move_addr_to_kernel (net/socket.c:258)
[  422.012924][ T9262]  ___sys_sendmsg (net/socket.c:2767)
[  422.012928][ T9262]  ? copy_msghdr_from_user (net/socket.c:2619)
[  422.012958][ T9262]  __sys_sendmsg (net/socket.c:2799)
[  422.012963][ T9262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  422.012974][ T9262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.012980][ T9262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  422.012984][ T9262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  422.012989][ T9262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  422.012993][ T9262] RIP: 0033:0x7f7bc35a354e
[  422.012998][ T9262] 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
[  422.013000][ T9262] RSP: 002b:00007ffcb6b00550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  422.013004][ T9262] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7bc35a354e
[  422.013007][ T9262] RDX: 0000000000000000 RSI: 00007ffcb6b00600 RDI: 0000000000000005
[  422.013008][ T9262] RBP: 00007ffcb6b00560 R08: 0000000000000000 R09: 0000000000000000
[  422.013010][ T9262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdbf
[  422.013011][ T9262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb6b00cd0
| [  433.795500][ T9405] softirqs last disabled at (25924): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  433.795504][ T9405] Preemption disabled at:
| [  433.795505][ T9405] vprintk_emit (kernel/printk/printk.c:2471)
| [  433.795516][ T9405] Tainted: [W]=WARN
[  433.795517][ T9405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  433.795520][ T9405] Call Trace:
[  433.795522][ T9405]  <TASK>
[  433.795525][ T9405]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  433.795532][ T9405]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  433.795535][ T9405]  __might_resched.cold (kernel/sched/core.c:9234)
[  433.795542][ T9405]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  433.795548][ T9405]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  433.795555][ T9405]  __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))
[  433.795559][ T9405]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  433.795569][ T9405]  ? 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)
[  433.795573][ T9405]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  433.795580][ T9405]  put_chars (drivers/char/virtio_console.c:1176)
[  433.795584][ T9405]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  433.795597][ T9405]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  433.795612][ T9405]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  433.795618][ T9405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  433.795626][ T9405]  console_emit_next_record (kernel/printk/printk.c:3183)
[  433.795633][ T9405]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  433.795636][ T9405]  ? 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))
[  433.795642][ T9405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.795646][ T9405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  433.795654][ T9405]  console_flush_one_record (kernel/printk/printk.c:3268)
[  433.795662][ T9405]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  433.795665][ T9405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  433.795679][ T9405]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  433.795684][ T9405]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  433.795687][ T9405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.795690][ T9405]  ? 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)
[  433.795697][ T9405]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  433.795700][ T9405]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  433.795706][ T9405]  vprintk_emit (kernel/printk/printk.c:2479)
[  433.795712][ T9405]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  433.795717][ T9405]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  433.795726][ T9405]  _printk (kernel/printk/printk.c:2504)
[  433.795731][ T9405]  ? snapshot_read.cold (user.c:?)
[  433.795734][ T9405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  433.795739][ T9405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  433.795743][ T9405]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  433.795755][ T9405]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  433.795761][ T9405]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  433.795766][ T9405]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  433.795770][ T9405]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  433.795774][ T9405]  ? netdev_notice (net/core/dev.c:13194)
[  433.795779][ T9405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  433.795785][ T9405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  433.795790][ T9405]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  433.795796][ T9405]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  433.795800][ T9405]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  433.795804][ T9405]  ? register_netdev (net/core/dev.c:11618)
[  433.795806][ T9405]  ? 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))
[  433.795815][ T9405]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  433.795820][ T9405]  ? __kernel_text_address (kernel/extable.c:79)
[  433.795823][ T9405]  ? write_profile (profile.c:?)
[  433.795830][ T9405]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  433.795840][ T9405]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  433.795847][ T9405]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  433.795850][ T9405]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  433.795853][ T9405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  433.795856][ T9405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  433.795861][ T9405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  433.795864][ T9405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  433.795868][ T9405]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  433.795872][ T9405]  ? kasan_save_stack (mm/kasan/common.c:58)
[  433.795875][ T9405]  ? kasan_save_stack (mm/kasan/common.c:57)
[  433.795877][ T9405]  ? kasan_save_track (mm/kasan/common.c:78)
[  433.795879][ T9405]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  433.795884][ T9405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  433.795887][ T9405]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  433.795892][ T9405]  ? ___sys_sendmsg (net/socket.c:2758)
[  433.795899][ T9405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  433.795902][ T9405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  433.795907][ T9405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.795911][ T9405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  433.795913][ T9405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.795915][ T9405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.795919][ T9405]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  433.795923][ T9405]  ? __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)
[  433.795925][ T9405]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  433.795929][ T9405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  433.795936][ T9405]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  433.795938][ T9405]  ? nla_get_range_signed (lib/nlattr.c:270)
[  433.795947][ T9405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.795951][ T9405]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  433.795962][ T9405]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  433.795973][ T9405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  433.795976][ T9405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  433.795985][ T9405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  433.795988][ T9405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  433.795992][ T9405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  433.795995][ T9405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  433.796002][ T9405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  433.796006][ T9405]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  433.796012][ T9405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  433.796015][ T9405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  433.796024][ T9405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  433.796027][ T9405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  433.796034][ T9405]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  433.796038][ T9405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  433.796043][ T9405]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  433.796056][ T9405]  ? 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))
[  433.796060][ T9405]  ? 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))
[  433.796068][ T9405]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  433.796076][ T9405]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  433.796081][ T9405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  433.796089][ T9405]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  433.796096][ T9405]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  433.796104][ T9405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  433.796106][ T9405]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  433.796115][ T9405]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  433.796120][ T9405]  ____sys_sendmsg (net/socket.c:2713)
[  433.796124][ T9405]  ? copy_msghdr_from_user (net/socket.c:2650)
[  433.796128][ T9405]  ? sock_write_iter (net/socket.c:1269)
[  433.796131][ T9405]  ? move_addr_to_kernel (net/socket.c:258)
[  433.796146][ T9405]  ___sys_sendmsg (net/socket.c:2767)
[  433.796151][ T9405]  ? copy_msghdr_from_user (net/socket.c:2619)
[  433.796184][ T9405]  __sys_sendmsg (net/socket.c:2799)
[  433.796189][ T9405]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  433.796201][ T9405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.796208][ T9405]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  433.796212][ T9405]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  433.796217][ T9405]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  433.796221][ T9405] RIP: 0033:0x7f8ed81c654e
[  433.796225][ T9405] 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
[  433.796228][ T9405] RSP: 002b:00007fff70cf77d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  433.796232][ T9405] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8ed81c654e
[  433.796234][ T9405] RDX: 0000000000000000 RSI: 00007fff70cf7880 RDI: 0000000000000005
[  433.796236][ T9405] RBP: 00007fff70cf77e0 R08: 0000000000000000 R09: 0000000000000000
[  433.796237][ T9405] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdcb
[  433.796239][ T9405] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff70cf7f50
| [  445.489221][ T9548] softirqs last disabled at (18572): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  445.489225][ T9548] Preemption disabled at:
| [  445.489226][ T9548] vprintk_emit (kernel/printk/printk.c:2471)
| [  445.489237][ T9548] Tainted: [W]=WARN
[  445.489238][ T9548] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  445.489240][ T9548] Call Trace:
[  445.489242][ T9548]  <TASK>
[  445.489244][ T9548]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  445.489252][ T9548]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  445.489255][ T9548]  __might_resched.cold (kernel/sched/core.c:9234)
[  445.489261][ T9548]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  445.489267][ T9548]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  445.489274][ T9548]  __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))
[  445.489277][ T9548]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  445.489286][ T9548]  ? 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)
[  445.489290][ T9548]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  445.489296][ T9548]  put_chars (drivers/char/virtio_console.c:1176)
[  445.489300][ T9548]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  445.489311][ T9548]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  445.489323][ T9548]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  445.489328][ T9548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  445.489335][ T9548]  console_emit_next_record (kernel/printk/printk.c:3183)
[  445.489341][ T9548]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  445.489344][ T9548]  ? 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))
[  445.489349][ T9548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.489353][ T9548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  445.489360][ T9548]  console_flush_one_record (kernel/printk/printk.c:3268)
[  445.489367][ T9548]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  445.489369][ T9548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.489379][ T9548]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  445.489383][ T9548]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  445.489386][ T9548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.489389][ T9548]  ? 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)
[  445.489395][ T9548]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  445.489398][ T9548]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  445.489403][ T9548]  vprintk_emit (kernel/printk/printk.c:2479)
[  445.489408][ T9548]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  445.489412][ T9548]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  445.489421][ T9548]  _printk (kernel/printk/printk.c:2504)
[  445.489426][ T9548]  ? snapshot_read.cold (user.c:?)
[  445.489429][ T9548]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  445.489434][ T9548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  445.489438][ T9548]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  445.489441][ T9548]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  445.489446][ T9548]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  445.489450][ T9548]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  445.489454][ T9548]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  445.489458][ T9548]  ? netdev_notice (net/core/dev.c:13194)
[  445.489464][ T9548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  445.489471][ T9548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  445.489475][ T9548]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  445.489481][ T9548]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  445.489484][ T9548]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  445.489488][ T9548]  ? register_netdev (net/core/dev.c:11618)
[  445.489490][ T9548]  ? 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))
[  445.489498][ T9548]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  445.489502][ T9548]  ? __kernel_text_address (kernel/extable.c:79)
[  445.489506][ T9548]  ? write_profile (profile.c:?)
[  445.489512][ T9548]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  445.489520][ T9548]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  445.489526][ T9548]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  445.489530][ T9548]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  445.489532][ T9548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  445.489535][ T9548]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  445.489540][ T9548]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  445.489543][ T9548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  445.489546][ T9548]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  445.489550][ T9548]  ? kasan_save_stack (mm/kasan/common.c:58)
[  445.489553][ T9548]  ? kasan_save_stack (mm/kasan/common.c:57)
[  445.489555][ T9548]  ? kasan_save_track (mm/kasan/common.c:78)
[  445.489557][ T9548]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  445.489561][ T9548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.489564][ T9548]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  445.489568][ T9548]  ? ___sys_sendmsg (net/socket.c:2758)
[  445.489574][ T9548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  445.489577][ T9548]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  445.489582][ T9548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.489585][ T9548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  445.489587][ T9548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.489589][ T9548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.489592][ T9548]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  445.489596][ T9548]  ? __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)
[  445.489598][ T9548]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  445.489602][ T9548]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  445.489610][ T9548]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  445.489612][ T9548]  ? nla_get_range_signed (lib/nlattr.c:270)
[  445.489620][ T9548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.489623][ T9548]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  445.489633][ T9548]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  445.489642][ T9548]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  445.489645][ T9548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.489654][ T9548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  445.489657][ T9548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  445.489660][ T9548]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  445.489663][ T9548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  445.489674][ T9548]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  445.489677][ T9548]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  445.489683][ T9548]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  445.489685][ T9548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.489693][ T9548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  445.489696][ T9548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  445.489702][ T9548]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  445.489706][ T9548]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  445.489711][ T9548]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  445.489722][ T9548]  ? 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))
[  445.489725][ T9548]  ? 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))
[  445.489733][ T9548]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  445.489740][ T9548]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  445.489744][ T9548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  445.489751][ T9548]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  445.489758][ T9548]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  445.489764][ T9548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  445.489767][ T9548]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  445.489775][ T9548]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  445.489780][ T9548]  ____sys_sendmsg (net/socket.c:2713)
[  445.489784][ T9548]  ? copy_msghdr_from_user (net/socket.c:2650)
[  445.489787][ T9548]  ? sock_write_iter (net/socket.c:1269)
[  445.489790][ T9548]  ? move_addr_to_kernel (net/socket.c:258)
[  445.489803][ T9548]  ___sys_sendmsg (net/socket.c:2767)
[  445.489807][ T9548]  ? copy_msghdr_from_user (net/socket.c:2619)
[  445.489842][ T9548]  __sys_sendmsg (net/socket.c:2799)
[  445.489846][ T9548]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  445.489857][ T9548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.489862][ T9548]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  445.489866][ T9548]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  445.489871][ T9548]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  445.489874][ T9548] RIP: 0033:0x7f05099ee54e
[  445.489879][ T9548] 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
[  445.489881][ T9548] RSP: 002b:00007ffe8ea17350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  445.489885][ T9548] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f05099ee54e
[  445.489888][ T9548] RDX: 0000000000000000 RSI: 00007ffe8ea17400 RDI: 0000000000000005
[  445.489889][ T9548] RBP: 00007ffe8ea17360 R08: 0000000000000000 R09: 0000000000000000
[  445.489891][ T9548] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdd7
[  445.489892][ T9548] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8ea17ad0
| [  456.732519][ T9690] softirqs last disabled at (19276): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  456.732523][ T9690] Preemption disabled at:
| [  456.732524][ T9690] vprintk_emit (kernel/printk/printk.c:2471)
| [  456.732536][ T9690] Tainted: [W]=WARN
[  456.732538][ T9690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  456.732540][ T9690] Call Trace:
[  456.732543][ T9690]  <TASK>
[  456.732545][ T9690]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  456.732553][ T9690]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  456.732556][ T9690]  __might_resched.cold (kernel/sched/core.c:9234)
[  456.732563][ T9690]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  456.732569][ T9690]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  456.732576][ T9690]  __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))
[  456.732580][ T9690]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  456.732591][ T9690]  ? 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)
[  456.732595][ T9690]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  456.732602][ T9690]  put_chars (drivers/char/virtio_console.c:1176)
[  456.732608][ T9690]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  456.732622][ T9690]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  456.732635][ T9690]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  456.732641][ T9690]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.732649][ T9690]  console_emit_next_record (kernel/printk/printk.c:3183)
[  456.732656][ T9690]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  456.732659][ T9690]  ? 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))
[  456.732665][ T9690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.732670][ T9690]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.732678][ T9690]  console_flush_one_record (kernel/printk/printk.c:3268)
[  456.732686][ T9690]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  456.732689][ T9690]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  456.732699][ T9690]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  456.732704][ T9690]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  456.732707][ T9690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.732711][ T9690]  ? 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)
[  456.732718][ T9690]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  456.732721][ T9690]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  456.732727][ T9690]  vprintk_emit (kernel/printk/printk.c:2479)
[  456.732733][ T9690]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  456.732738][ T9690]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  456.732747][ T9690]  _printk (kernel/printk/printk.c:2504)
[  456.732753][ T9690]  ? snapshot_read.cold (user.c:?)
[  456.732755][ T9690]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  456.732760][ T9690]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  456.732764][ T9690]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  456.732768][ T9690]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  456.732774][ T9690]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  456.732779][ T9690]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  456.732783][ T9690]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  456.732788][ T9690]  ? netdev_notice (net/core/dev.c:13194)
[  456.732793][ T9690]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  456.732798][ T9690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  456.732803][ T9690]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  456.732810][ T9690]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  456.732814][ T9690]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  456.732818][ T9690]  ? register_netdev (net/core/dev.c:11618)
[  456.732820][ T9690]  ? 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))
[  456.732830][ T9690]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  456.732834][ T9690]  ? __kernel_text_address (kernel/extable.c:79)
[  456.732838][ T9690]  ? write_profile (profile.c:?)
[  456.732844][ T9690]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  456.732854][ T9690]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  456.732861][ T9690]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  456.732865][ T9690]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  456.732867][ T9690]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  456.732871][ T9690]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  456.732876][ T9690]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  456.732879][ T9690]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  456.732883][ T9690]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  456.732887][ T9690]  ? kasan_save_stack (mm/kasan/common.c:58)
[  456.732890][ T9690]  ? kasan_save_stack (mm/kasan/common.c:57)
[  456.732899][ T9690]  ? kasan_save_track (mm/kasan/common.c:78)
[  456.732901][ T9690]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  456.732905][ T9690]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  456.732909][ T9690]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  456.732913][ T9690]  ? ___sys_sendmsg (net/socket.c:2758)
[  456.732920][ T9690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  456.732924][ T9690]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  456.732929][ T9690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.732933][ T9690]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.732935][ T9690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.732937][ T9690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.732941][ T9690]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  456.732945][ T9690]  ? __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)
[  456.732947][ T9690]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  456.732951][ T9690]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  456.732958][ T9690]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  456.732961][ T9690]  ? nla_get_range_signed (lib/nlattr.c:270)
[  456.732969][ T9690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.732974][ T9690]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  456.732985][ T9690]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  456.732996][ T9690]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  456.733000][ T9690]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  456.733008][ T9690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  456.733012][ T9690]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  456.733016][ T9690]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  456.733019][ T9690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  456.733027][ T9690]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  456.733031][ T9690]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  456.733037][ T9690]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  456.733040][ T9690]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  456.733049][ T9690]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  456.733052][ T9690]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  456.733059][ T9690]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  456.733063][ T9690]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  456.733069][ T9690]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  456.733082][ T9690]  ? 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))
[  456.733086][ T9690]  ? 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))
[  456.733095][ T9690]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  456.733102][ T9690]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  456.733107][ T9690]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  456.733116][ T9690]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  456.733123][ T9690]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  456.733131][ T9690]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  456.733134][ T9690]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  456.733143][ T9690]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  456.733148][ T9690]  ____sys_sendmsg (net/socket.c:2713)
[  456.733152][ T9690]  ? copy_msghdr_from_user (net/socket.c:2650)
[  456.733156][ T9690]  ? sock_write_iter (net/socket.c:1269)
[  456.733159][ T9690]  ? move_addr_to_kernel (net/socket.c:258)
[  456.733174][ T9690]  ___sys_sendmsg (net/socket.c:2767)
[  456.733180][ T9690]  ? copy_msghdr_from_user (net/socket.c:2619)
[  456.733213][ T9690]  __sys_sendmsg (net/socket.c:2799)
[  456.733218][ T9690]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  456.733230][ T9690]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.733236][ T9690]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  456.733241][ T9690]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  456.733246][ T9690]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  456.733250][ T9690] RIP: 0033:0x7f7f902ab54e
[  456.733255][ T9690] 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
[  456.733258][ T9690] RSP: 002b:00007ffefdcbc4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  456.733262][ T9690] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7f902ab54e
[  456.733264][ T9690] RDX: 0000000000000000 RSI: 00007ffefdcbc580 RDI: 0000000000000005
[  456.733266][ T9690] RBP: 00007ffefdcbc4e0 R08: 0000000000000000 R09: 0000000000000000
[  456.733267][ T9690] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fde2
[  456.733269][ T9690] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefdcbcc50
| [  468.272424][ T9832] softirqs last disabled at (17370): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  468.272429][ T9832] Preemption disabled at:
| [  468.272431][ T9832] vprintk_emit (kernel/printk/printk.c:2471)
| [  468.272448][ T9832] Tainted: [W]=WARN
[  468.272450][ T9832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  468.272453][ T9832] Call Trace:
[  468.272456][ T9832]  <TASK>
[  468.272459][ T9832]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  468.272469][ T9832]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  468.272472][ T9832]  __might_resched.cold (kernel/sched/core.c:9234)
[  468.272479][ T9832]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  468.272485][ T9832]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  468.272491][ T9832]  __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))
[  468.272495][ T9832]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  468.272504][ T9832]  ? 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)
[  468.272508][ T9832]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  468.272514][ T9832]  put_chars (drivers/char/virtio_console.c:1176)
[  468.272518][ T9832]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  468.272529][ T9832]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  468.272541][ T9832]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  468.272546][ T9832]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.272553][ T9832]  console_emit_next_record (kernel/printk/printk.c:3183)
[  468.272560][ T9832]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  468.272562][ T9832]  ? 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))
[  468.272567][ T9832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.272571][ T9832]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.272578][ T9832]  console_flush_one_record (kernel/printk/printk.c:3268)
[  468.272588][ T9832]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  468.272596][ T9832]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.272611][ T9832]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  468.272619][ T9832]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  468.272622][ T9832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.272625][ T9832]  ? 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)
[  468.272632][ T9832]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  468.272634][ T9832]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  468.272639][ T9832]  vprintk_emit (kernel/printk/printk.c:2479)
[  468.272646][ T9832]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  468.272654][ T9832]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  468.272674][ T9832]  _printk (kernel/printk/printk.c:2504)
[  468.272683][ T9832]  ? snapshot_read.cold (user.c:?)
[  468.272686][ T9832]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  468.272691][ T9832]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  468.272695][ T9832]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  468.272701][ T9832]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  468.272709][ T9832]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  468.272719][ T9832]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  468.272728][ T9832]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  468.272733][ T9832]  ? netdev_notice (net/core/dev.c:13194)
[  468.272738][ T9832]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  468.272743][ T9832]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  468.272747][ T9832]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  468.272757][ T9832]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  468.272765][ T9832]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  468.272771][ T9832]  ? register_netdev (net/core/dev.c:11618)
[  468.272778][ T9832]  ? 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))
[  468.272787][ T9832]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  468.272792][ T9832]  ? __kernel_text_address (kernel/extable.c:79)
[  468.272795][ T9832]  ? write_profile (profile.c:?)
[  468.272801][ T9832]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  468.272810][ T9832]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  468.272821][ T9832]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  468.272830][ T9832]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  468.272833][ T9832]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  468.272841][ T9832]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  468.272847][ T9832]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  468.272850][ T9832]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  468.272853][ T9832]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  468.272857][ T9832]  ? kasan_save_stack (mm/kasan/common.c:58)
[  468.272860][ T9832]  ? kasan_save_stack (mm/kasan/common.c:57)
[  468.272863][ T9832]  ? kasan_save_track (mm/kasan/common.c:78)
[  468.272865][ T9832]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  468.272869][ T9832]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.272877][ T9832]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  468.272886][ T9832]  ? ___sys_sendmsg (net/socket.c:2758)
[  468.272895][ T9832]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  468.272901][ T9832]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  468.272906][ T9832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.272909][ T9832]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.272912][ T9832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.272914][ T9832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.272917][ T9832]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  468.272921][ T9832]  ? __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)
[  468.272923][ T9832]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  468.272926][ T9832]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  468.272934][ T9832]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  468.272939][ T9832]  ? nla_get_range_signed (lib/nlattr.c:270)
[  468.272954][ T9832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.272962][ T9832]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  468.272979][ T9832]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  468.272991][ T9832]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  468.273000][ T9832]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.273012][ T9832]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  468.273018][ T9832]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  468.273021][ T9832]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  468.273025][ T9832]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  468.273031][ T9832]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  468.273034][ T9832]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  468.273042][ T9832]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  468.273048][ T9832]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.273062][ T9832]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  468.273068][ T9832]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  468.273075][ T9832]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  468.273079][ T9832]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  468.273085][ T9832]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  468.273097][ T9832]  ? 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))
[  468.273104][ T9832]  ? 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))
[  468.273118][ T9832]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  468.273128][ T9832]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  468.273133][ T9832]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  468.273140][ T9832]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  468.273147][ T9832]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  468.273155][ T9832]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  468.273161][ T9832]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  468.273176][ T9832]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  468.273184][ T9832]  ____sys_sendmsg (net/socket.c:2713)
[  468.273188][ T9832]  ? copy_msghdr_from_user (net/socket.c:2650)
[  468.273192][ T9832]  ? sock_write_iter (net/socket.c:1269)
[  468.273194][ T9832]  ? move_addr_to_kernel (net/socket.c:258)
[  468.273207][ T9832]  ___sys_sendmsg (net/socket.c:2767)
[  468.273212][ T9832]  ? copy_msghdr_from_user (net/socket.c:2619)
[  468.273244][ T9832]  __sys_sendmsg (net/socket.c:2799)
[  468.273252][ T9832]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  468.273263][ T9832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.273270][ T9832]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  468.273278][ T9832]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  468.273288][ T9832]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  468.273296][ T9832] RIP: 0033:0x7f33e69ef54e
[  468.273302][ T9832] 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
[  468.273304][ T9832] RSP: 002b:00007ffd821a8b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  468.273309][ T9832] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f33e69ef54e
[  468.273311][ T9832] RDX: 0000000000000000 RSI: 00007ffd821a8bf0 RDI: 0000000000000005
[  468.273313][ T9832] RBP: 00007ffd821a8b50 R08: 0000000000000000 R09: 0000000000000000
[  468.273314][ T9832] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdee
[  468.273315][ T9832] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd821a92c0
| [  479.800435][ T9975] softirqs last disabled at (20056): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  479.800439][ T9975] Preemption disabled at:
| [  479.800439][ T9975] vprintk_emit (kernel/printk/printk.c:2471)
| [  479.800452][ T9975] Tainted: [W]=WARN
[  479.800453][ T9975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  479.800455][ T9975] Call Trace:
[  479.800458][ T9975]  <TASK>
[  479.800460][ T9975]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  479.800470][ T9975]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  479.800473][ T9975]  __might_resched.cold (kernel/sched/core.c:9234)
[  479.800480][ T9975]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  479.800486][ T9975]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  479.800494][ T9975]  __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))
[  479.800497][ T9975]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  479.800508][ T9975]  ? 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)
[  479.800512][ T9975]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  479.800518][ T9975]  put_chars (drivers/char/virtio_console.c:1176)
[  479.800523][ T9975]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  479.800536][ T9975]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  479.800549][ T9975]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  479.800554][ T9975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  479.800563][ T9975]  console_emit_next_record (kernel/printk/printk.c:3183)
[  479.800570][ T9975]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  479.800573][ T9975]  ? 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))
[  479.800579][ T9975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.800583][ T9975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  479.800591][ T9975]  console_flush_one_record (kernel/printk/printk.c:3268)
[  479.800599][ T9975]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  479.800602][ T9975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  479.800614][ T9975]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  479.800619][ T9975]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  479.800622][ T9975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.800625][ T9975]  ? 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)
[  479.800632][ T9975]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  479.800635][ T9975]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  479.800641][ T9975]  vprintk_emit (kernel/printk/printk.c:2479)
[  479.800647][ T9975]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  479.800652][ T9975]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  479.800661][ T9975]  _printk (kernel/printk/printk.c:2504)
[  479.800666][ T9975]  ? snapshot_read.cold (user.c:?)
[  479.800672][ T9975]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  479.800677][ T9975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  479.800681][ T9975]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  479.800685][ T9975]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  479.800691][ T9975]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  479.800696][ T9975]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  479.800700][ T9975]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  479.800705][ T9975]  ? netdev_notice (net/core/dev.c:13194)
[  479.800710][ T9975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  479.800715][ T9975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  479.800720][ T9975]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  479.800726][ T9975]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  479.800730][ T9975]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  479.800734][ T9975]  ? register_netdev (net/core/dev.c:11618)
[  479.800737][ T9975]  ? 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))
[  479.800746][ T9975]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  479.800750][ T9975]  ? __kernel_text_address (kernel/extable.c:79)
[  479.800754][ T9975]  ? write_profile (profile.c:?)
[  479.800760][ T9975]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  479.800770][ T9975]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  479.800777][ T9975]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  479.800781][ T9975]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  479.800783][ T9975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  479.800786][ T9975]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  479.800791][ T9975]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  479.800795][ T9975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  479.800798][ T9975]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  479.800802][ T9975]  ? kasan_save_stack (mm/kasan/common.c:58)
[  479.800805][ T9975]  ? kasan_save_stack (mm/kasan/common.c:57)
[  479.800808][ T9975]  ? kasan_save_track (mm/kasan/common.c:78)
[  479.800810][ T9975]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  479.800814][ T9975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  479.800818][ T9975]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  479.800822][ T9975]  ? ___sys_sendmsg (net/socket.c:2758)
[  479.800830][ T9975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  479.800833][ T9975]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  479.800838][ T9975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.800841][ T9975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  479.800844][ T9975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.800846][ T9975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.800850][ T9975]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  479.800854][ T9975]  ? __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)
[  479.800856][ T9975]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  479.800860][ T9975]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  479.800866][ T9975]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  479.800869][ T9975]  ? nla_get_range_signed (lib/nlattr.c:270)
[  479.800877][ T9975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.800882][ T9975]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  479.800893][ T9975]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  479.800903][ T9975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  479.800907][ T9975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  479.800916][ T9975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  479.800919][ T9975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  479.800923][ T9975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  479.800926][ T9975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  479.800933][ T9975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  479.800937][ T9975]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  479.800944][ T9975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  479.800946][ T9975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  479.800955][ T9975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  479.800958][ T9975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  479.800965][ T9975]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  479.800969][ T9975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  479.800975][ T9975]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  479.800988][ T9975]  ? 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))
[  479.800991][ T9975]  ? 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))
[  479.801000][ T9975]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  479.801007][ T9975]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  479.801012][ T9975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  479.801020][ T9975]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  479.801027][ T9975]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  479.801035][ T9975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  479.801037][ T9975]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  479.801054][ T9975]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  479.801059][ T9975]  ____sys_sendmsg (net/socket.c:2713)
[  479.801063][ T9975]  ? copy_msghdr_from_user (net/socket.c:2650)
[  479.801067][ T9975]  ? sock_write_iter (net/socket.c:1269)
[  479.801069][ T9975]  ? move_addr_to_kernel (net/socket.c:258)
[  479.801084][ T9975]  ___sys_sendmsg (net/socket.c:2767)
[  479.801089][ T9975]  ? copy_msghdr_from_user (net/socket.c:2619)
[  479.801123][ T9975]  __sys_sendmsg (net/socket.c:2799)
[  479.801128][ T9975]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  479.801140][ T9975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.801146][ T9975]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  479.801150][ T9975]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  479.801156][ T9975]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  479.801159][ T9975] RIP: 0033:0x7f5fca26b54e
[  479.801164][ T9975] 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
[  479.801167][ T9975] RSP: 002b:00007ffd920184c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  479.801171][ T9975] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5fca26b54e
[  479.801173][ T9975] RDX: 0000000000000000 RSI: 00007ffd92018570 RDI: 0000000000000005
[  479.801175][ T9975] RBP: 00007ffd920184d0 R08: 0000000000000000 R09: 0000000000000000
[  479.801176][ T9975] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdf9
[  479.801178][ T9975] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd92018c40
| [  490.386527][T10118] softirqs last disabled at (25636): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  490.386531][T10118] Preemption disabled at:
| [  490.386532][T10118] vprintk_emit (kernel/printk/printk.c:2471)
| [  490.386544][T10118] Tainted: [W]=WARN
[  490.386545][T10118] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  490.386548][T10118] Call Trace:
[  490.386550][T10118]  <TASK>
[  490.386552][T10118]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  490.386560][T10118]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  490.386563][T10118]  __might_resched.cold (kernel/sched/core.c:9234)
[  490.386570][T10118]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  490.386576][T10118]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  490.386583][T10118]  __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))
[  490.386587][T10118]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  490.386597][T10118]  ? 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)
[  490.386602][T10118]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  490.386610][T10118]  put_chars (drivers/char/virtio_console.c:1176)
[  490.386615][T10118]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  490.386628][T10118]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  490.386641][T10118]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  490.386647][T10118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  490.386655][T10118]  console_emit_next_record (kernel/printk/printk.c:3183)
[  490.386662][T10118]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  490.386665][T10118]  ? 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))
[  490.386674][T10118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.386679][T10118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  490.386687][T10118]  console_flush_one_record (kernel/printk/printk.c:3268)
[  490.386695][T10118]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  490.386698][T10118]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  490.386709][T10118]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  490.386714][T10118]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  490.386717][T10118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.386720][T10118]  ? 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)
[  490.386727][T10118]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  490.386730][T10118]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  490.386736][T10118]  vprintk_emit (kernel/printk/printk.c:2479)
[  490.386742][T10118]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  490.386747][T10118]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  490.386756][T10118]  _printk (kernel/printk/printk.c:2504)
[  490.386761][T10118]  ? snapshot_read.cold (user.c:?)
[  490.386764][T10118]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  490.386769][T10118]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  490.386773][T10118]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  490.386777][T10118]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  490.386783][T10118]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  490.386788][T10118]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  490.386792][T10118]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  490.386796][T10118]  ? netdev_notice (net/core/dev.c:13194)
[  490.386802][T10118]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  490.386807][T10118]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  490.386812][T10118]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  490.386819][T10118]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  490.386823][T10118]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  490.386826][T10118]  ? register_netdev (net/core/dev.c:11618)
[  490.386829][T10118]  ? 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))
[  490.386838][T10118]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  490.386842][T10118]  ? __kernel_text_address (kernel/extable.c:79)
[  490.386846][T10118]  ? write_profile (profile.c:?)
[  490.386853][T10118]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  490.386862][T10118]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  490.386869][T10118]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  490.386872][T10118]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  490.386875][T10118]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  490.386878][T10118]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  490.386883][T10118]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  490.386887][T10118]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  490.386890][T10118]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  490.386895][T10118]  ? kasan_save_stack (mm/kasan/common.c:58)
[  490.386898][T10118]  ? kasan_save_stack (mm/kasan/common.c:57)
[  490.386900][T10118]  ? kasan_save_track (mm/kasan/common.c:78)
[  490.386902][T10118]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  490.386907][T10118]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  490.386910][T10118]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  490.386915][T10118]  ? ___sys_sendmsg (net/socket.c:2758)
[  490.386922][T10118]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  490.386925][T10118]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  490.386931][T10118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.386934][T10118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  490.386937][T10118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.386939][T10118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.386942][T10118]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  490.386946][T10118]  ? __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)
[  490.386949][T10118]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  490.386953][T10118]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  490.386959][T10118]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  490.386962][T10118]  ? nla_get_range_signed (lib/nlattr.c:270)
[  490.386970][T10118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.386975][T10118]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  490.386985][T10118]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  490.386996][T10118]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  490.387000][T10118]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  490.387009][T10118]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  490.387012][T10118]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  490.387016][T10118]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  490.387019][T10118]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  490.387026][T10118]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  490.387030][T10118]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  490.387037][T10118]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  490.387039][T10118]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  490.387048][T10118]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  490.387051][T10118]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  490.387058][T10118]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  490.387062][T10118]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  490.387068][T10118]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  490.387081][T10118]  ? 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))
[  490.387084][T10118]  ? 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))
[  490.387093][T10118]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  490.387101][T10118]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  490.387105][T10118]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  490.387121][T10118]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  490.387128][T10118]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  490.387136][T10118]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  490.387139][T10118]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  490.387148][T10118]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  490.387153][T10118]  ____sys_sendmsg (net/socket.c:2713)
[  490.387157][T10118]  ? copy_msghdr_from_user (net/socket.c:2650)
[  490.387161][T10118]  ? sock_write_iter (net/socket.c:1269)
[  490.387164][T10118]  ? move_addr_to_kernel (net/socket.c:258)
[  490.387179][T10118]  ___sys_sendmsg (net/socket.c:2767)
[  490.387184][T10118]  ? copy_msghdr_from_user (net/socket.c:2619)
[  490.387217][T10118]  __sys_sendmsg (net/socket.c:2799)
[  490.387222][T10118]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  490.387234][T10118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.387241][T10118]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  490.387245][T10118]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  490.387250][T10118]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  490.387254][T10118] RIP: 0033:0x7f674cb3954e
[  490.387259][T10118] 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
[  490.387262][T10118] RSP: 002b:00007ffde38be480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  490.387266][T10118] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f674cb3954e
[  490.387268][T10118] RDX: 0000000000000000 RSI: 00007ffde38be530 RDI: 0000000000000005
[  490.387270][T10118] RBP: 00007ffde38be490 R08: 0000000000000000 R09: 0000000000000000
[  490.387271][T10118] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe04
[  490.387273][T10118] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde38bec00
| [  501.934246][T10262] softirqs last disabled at (23950): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  501.934250][T10262] Preemption disabled at:
| [  501.934251][T10262] vprintk_emit (kernel/printk/printk.c:2471)
| [  501.934262][T10262] Tainted: [W]=WARN
[  501.934263][T10262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  501.934265][T10262] Call Trace:
[  501.934267][T10262]  <TASK>
[  501.934270][T10262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  501.934277][T10262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  501.934279][T10262]  __might_resched.cold (kernel/sched/core.c:9234)
[  501.934285][T10262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  501.934291][T10262]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  501.934298][T10262]  __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))
[  501.934301][T10262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.934310][T10262]  ? 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)
[  501.934314][T10262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.934320][T10262]  put_chars (drivers/char/virtio_console.c:1176)
[  501.934324][T10262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  501.934335][T10262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  501.934346][T10262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  501.934351][T10262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.934359][T10262]  console_emit_next_record (kernel/printk/printk.c:3183)
[  501.934365][T10262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  501.934368][T10262]  ? 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))
[  501.934373][T10262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.934377][T10262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.934384][T10262]  console_flush_one_record (kernel/printk/printk.c:3268)
[  501.934391][T10262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  501.934393][T10262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.934402][T10262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  501.934406][T10262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  501.934409][T10262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.934412][T10262]  ? 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)
[  501.934418][T10262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  501.934421][T10262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  501.934425][T10262]  vprintk_emit (kernel/printk/printk.c:2479)
[  501.934431][T10262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  501.934435][T10262]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  501.934443][T10262]  _printk (kernel/printk/printk.c:2504)
[  501.934448][T10262]  ? snapshot_read.cold (user.c:?)
[  501.934450][T10262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.934454][T10262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.934458][T10262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.934462][T10262]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  501.934469][T10262]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  501.934473][T10262]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.934477][T10262]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  501.934481][T10262]  ? netdev_notice (net/core/dev.c:13194)
[  501.934485][T10262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.934490][T10262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.934495][T10262]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  501.934500][T10262]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.934504][T10262]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  501.934507][T10262]  ? register_netdev (net/core/dev.c:11618)
[  501.934510][T10262]  ? 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))
[  501.934518][T10262]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  501.934522][T10262]  ? __kernel_text_address (kernel/extable.c:79)
[  501.934525][T10262]  ? write_profile (profile.c:?)
[  501.934531][T10262]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  501.934539][T10262]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.934545][T10262]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  501.934548][T10262]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  501.934550][T10262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  501.934553][T10262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  501.934558][T10262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.934561][T10262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.934564][T10262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.934568][T10262]  ? kasan_save_stack (mm/kasan/common.c:58)
[  501.934571][T10262]  ? kasan_save_stack (mm/kasan/common.c:57)
[  501.934573][T10262]  ? kasan_save_track (mm/kasan/common.c:78)
[  501.934574][T10262]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  501.934578][T10262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.934581][T10262]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  501.934585][T10262]  ? ___sys_sendmsg (net/socket.c:2758)
[  501.934592][T10262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.934595][T10262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  501.934599][T10262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.934602][T10262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.934606][T10262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.934608][T10262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.934611][T10262]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  501.934615][T10262]  ? __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)
[  501.934617][T10262]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  501.934620][T10262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  501.934626][T10262]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  501.934628][T10262]  ? nla_get_range_signed (lib/nlattr.c:270)
[  501.934635][T10262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.934639][T10262]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  501.934648][T10262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  501.934657][T10262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.934661][T10262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.934672][T10262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.934675][T10262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.934679][T10262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.934682][T10262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.934688][T10262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.934692][T10262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  501.934697][T10262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.934699][T10262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.934707][T10262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.934710][T10262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.934716][T10262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  501.934720][T10262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.934725][T10262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  501.934736][T10262]  ? 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))
[  501.934739][T10262]  ? 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))
[  501.934746][T10262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  501.934753][T10262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  501.934757][T10262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.934764][T10262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  501.934771][T10262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  501.934777][T10262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.934779][T10262]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  501.934788][T10262]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  501.934792][T10262]  ____sys_sendmsg (net/socket.c:2713)
[  501.934796][T10262]  ? copy_msghdr_from_user (net/socket.c:2650)
[  501.934799][T10262]  ? sock_write_iter (net/socket.c:1269)
[  501.934802][T10262]  ? move_addr_to_kernel (net/socket.c:258)
[  501.934814][T10262]  ___sys_sendmsg (net/socket.c:2767)
[  501.934819][T10262]  ? copy_msghdr_from_user (net/socket.c:2619)
[  501.934847][T10262]  __sys_sendmsg (net/socket.c:2799)
[  501.934852][T10262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  501.934862][T10262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.934868][T10262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  501.934872][T10262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  501.934876][T10262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  501.934879][T10262] RIP: 0033:0x7fbf7ed5a54e
[  501.934884][T10262] 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
[  501.934886][T10262] RSP: 002b:00007ffef99a7520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  501.934890][T10262] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbf7ed5a54e
[  501.934892][T10262] RDX: 0000000000000000 RSI: 00007ffef99a75d0 RDI: 0000000000000005
[  501.934893][T10262] RBP: 00007ffef99a7530 R08: 0000000000000000 R09: 0000000000000000
[  501.934894][T10262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe0f
[  501.934896][T10262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef99a7ca0
| [  513.413631][T10405] softirqs last disabled at (24982): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  513.413635][T10405] Preemption disabled at:
| [  513.413636][T10405] vprintk_emit (kernel/printk/printk.c:2471)
| [  513.413648][T10405] Tainted: [W]=WARN
[  513.413650][T10405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  513.413652][T10405] Call Trace:
[  513.413654][T10405]  <TASK>
[  513.413657][T10405]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  513.413664][T10405]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  513.413667][T10405]  __might_resched.cold (kernel/sched/core.c:9234)
[  513.413677][T10405]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  513.413683][T10405]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  513.413690][T10405]  __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))
[  513.413694][T10405]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  513.413704][T10405]  ? 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)
[  513.413708][T10405]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  513.413715][T10405]  put_chars (drivers/char/virtio_console.c:1176)
[  513.413719][T10405]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  513.413732][T10405]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  513.413745][T10405]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  513.413750][T10405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.413759][T10405]  console_emit_next_record (kernel/printk/printk.c:3183)
[  513.413766][T10405]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  513.413769][T10405]  ? 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))
[  513.413775][T10405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.413779][T10405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.413787][T10405]  console_flush_one_record (kernel/printk/printk.c:3268)
[  513.413794][T10405]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  513.413797][T10405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  513.413808][T10405]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  513.413812][T10405]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  513.413815][T10405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.413819][T10405]  ? 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)
[  513.413826][T10405]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  513.413829][T10405]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  513.413834][T10405]  vprintk_emit (kernel/printk/printk.c:2479)
[  513.413840][T10405]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  513.413845][T10405]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  513.413854][T10405]  _printk (kernel/printk/printk.c:2504)
[  513.413859][T10405]  ? snapshot_read.cold (user.c:?)
[  513.413862][T10405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  513.413867][T10405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  513.413871][T10405]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  513.413875][T10405]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  513.413881][T10405]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  513.413886][T10405]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  513.413890][T10405]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  513.413895][T10405]  ? netdev_notice (net/core/dev.c:13194)
[  513.413900][T10405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  513.413905][T10405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  513.413910][T10405]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  513.413916][T10405]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  513.413921][T10405]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  513.413924][T10405]  ? register_netdev (net/core/dev.c:11618)
[  513.413927][T10405]  ? 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))
[  513.413936][T10405]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  513.413940][T10405]  ? __kernel_text_address (kernel/extable.c:79)
[  513.413943][T10405]  ? write_profile (profile.c:?)
[  513.413950][T10405]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  513.413959][T10405]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  513.413966][T10405]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  513.413970][T10405]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  513.413972][T10405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  513.413975][T10405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  513.413980][T10405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  513.413984][T10405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  513.413987][T10405]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  513.413991][T10405]  ? kasan_save_stack (mm/kasan/common.c:58)
[  513.413994][T10405]  ? kasan_save_stack (mm/kasan/common.c:57)
[  513.413997][T10405]  ? kasan_save_track (mm/kasan/common.c:78)
[  513.413999][T10405]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  513.414003][T10405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  513.414007][T10405]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  513.414011][T10405]  ? ___sys_sendmsg (net/socket.c:2758)
[  513.414018][T10405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  513.414022][T10405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  513.414027][T10405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.414030][T10405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.414033][T10405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.414035][T10405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.414038][T10405]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  513.414042][T10405]  ? __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)
[  513.414045][T10405]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  513.414048][T10405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  513.414055][T10405]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  513.414057][T10405]  ? nla_get_range_signed (lib/nlattr.c:270)
[  513.414066][T10405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.414070][T10405]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  513.414081][T10405]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  513.414092][T10405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  513.414095][T10405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  513.414104][T10405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  513.414107][T10405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  513.414111][T10405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  513.414114][T10405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  513.414122][T10405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  513.414126][T10405]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  513.414132][T10405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  513.414134][T10405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  513.414143][T10405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  513.414146][T10405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  513.414153][T10405]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  513.414157][T10405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  513.414163][T10405]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  513.414176][T10405]  ? 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))
[  513.414179][T10405]  ? 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))
[  513.414187][T10405]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  513.414194][T10405]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  513.414199][T10405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  513.414207][T10405]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  513.414215][T10405]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  513.414222][T10405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  513.414225][T10405]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  513.414234][T10405]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  513.414239][T10405]  ____sys_sendmsg (net/socket.c:2713)
[  513.414243][T10405]  ? copy_msghdr_from_user (net/socket.c:2650)
[  513.414247][T10405]  ? sock_write_iter (net/socket.c:1269)
[  513.414249][T10405]  ? move_addr_to_kernel (net/socket.c:258)
[  513.414270][T10405]  ___sys_sendmsg (net/socket.c:2767)
[  513.414275][T10405]  ? copy_msghdr_from_user (net/socket.c:2619)
[  513.414308][T10405]  __sys_sendmsg (net/socket.c:2799)
[  513.414313][T10405]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  513.414326][T10405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.414332][T10405]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  513.414336][T10405]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  513.414341][T10405]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  513.414345][T10405] RIP: 0033:0x7fa83195754e
[  513.414350][T10405] 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
[  513.414353][T10405] RSP: 002b:00007ffe5d773740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  513.414357][T10405] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa83195754e
[  513.414359][T10405] RDX: 0000000000000000 RSI: 00007ffe5d7737f0 RDI: 0000000000000005
[  513.414361][T10405] RBP: 00007ffe5d773750 R08: 0000000000000000 R09: 0000000000000000
[  513.414363][T10405] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe1b
[  513.414364][T10405] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5d773ec0
| [  523.098405][T10549] softirqs last disabled at (24198): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  523.098407][T10549] Preemption disabled at:
| [  523.098408][T10549] vprintk_emit (kernel/printk/printk.c:2471)
| [  523.098416][T10549] Tainted: [W]=WARN
[  523.098417][T10549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  523.098419][T10549] Call Trace:
[  523.098421][T10549]  <TASK>
[  523.098422][T10549]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  523.098428][T10549]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  523.098430][T10549]  __might_resched.cold (kernel/sched/core.c:9234)
[  523.098434][T10549]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  523.098438][T10549]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  523.098443][T10549]  __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))
[  523.098445][T10549]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  523.098451][T10549]  ? 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)
[  523.098454][T10549]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  523.098458][T10549]  put_chars (drivers/char/virtio_console.c:1176)
[  523.098461][T10549]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  523.098467][T10549]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  523.098475][T10549]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  523.098478][T10549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.098483][T10549]  console_emit_next_record (kernel/printk/printk.c:3183)
[  523.098487][T10549]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  523.098489][T10549]  ? 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))
[  523.098492][T10549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.098495][T10549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.098499][T10549]  console_flush_one_record (kernel/printk/printk.c:3268)
[  523.098503][T10549]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  523.098505][T10549]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  523.098511][T10549]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  523.098514][T10549]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  523.098516][T10549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.098518][T10549]  ? 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)
[  523.098521][T10549]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  523.098523][T10549]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  523.098526][T10549]  vprintk_emit (kernel/printk/printk.c:2479)
[  523.098529][T10549]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  523.098532][T10549]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  523.098537][T10549]  _printk (kernel/printk/printk.c:2504)
[  523.098541][T10549]  ? snapshot_read.cold (user.c:?)
[  523.098542][T10549]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  523.098545][T10549]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  523.098548][T10549]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  523.098550][T10549]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  523.098554][T10549]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  523.098557][T10549]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  523.098559][T10549]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  523.098562][T10549]  ? netdev_notice (net/core/dev.c:13194)
[  523.098565][T10549]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  523.098568][T10549]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  523.098571][T10549]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  523.098574][T10549]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  523.098576][T10549]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  523.098579][T10549]  ? register_netdev (net/core/dev.c:11618)
[  523.098580][T10549]  ? 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))
[  523.098585][T10549]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  523.098588][T10549]  ? __kernel_text_address (kernel/extable.c:79)
[  523.098591][T10549]  ? write_profile (profile.c:?)
[  523.098595][T10549]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  523.098601][T10549]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  523.098605][T10549]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  523.098607][T10549]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  523.098608][T10549]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  523.098610][T10549]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  523.098614][T10549]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  523.098616][T10549]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  523.098617][T10549]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  523.098620][T10549]  ? kasan_save_stack (mm/kasan/common.c:58)
[  523.098622][T10549]  ? kasan_save_stack (mm/kasan/common.c:57)
[  523.098623][T10549]  ? kasan_save_track (mm/kasan/common.c:78)
[  523.098624][T10549]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  523.098626][T10549]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  523.098628][T10549]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  523.098632][T10549]  ? ___sys_sendmsg (net/socket.c:2758)
[  523.098636][T10549]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  523.098638][T10549]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  523.098640][T10549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.098642][T10549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.098644][T10549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.098645][T10549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.098647][T10549]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  523.098649][T10549]  ? __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)
[  523.098650][T10549]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  523.098652][T10549]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  523.098656][T10549]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  523.098657][T10549]  ? nla_get_range_signed (lib/nlattr.c:270)
[  523.098662][T10549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.098664][T10549]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  523.098672][T10549]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  523.098677][T10549]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  523.098679][T10549]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  523.098684][T10549]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  523.098686][T10549]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  523.098688][T10549]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  523.098690][T10549]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  523.098694][T10549]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  523.098696][T10549]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  523.098699][T10549]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  523.098700][T10549]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  523.098705][T10549]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  523.098707][T10549]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  523.098710][T10549]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  523.098714][T10549]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  523.098717][T10549]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  523.098723][T10549]  ? 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))
[  523.098725][T10549]  ? 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))
[  523.098730][T10549]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  523.098734][T10549]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  523.098736][T10549]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  523.098741][T10549]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  523.098745][T10549]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  523.098749][T10549]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  523.098750][T10549]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  523.098756][T10549]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  523.098759][T10549]  ____sys_sendmsg (net/socket.c:2713)
[  523.098761][T10549]  ? copy_msghdr_from_user (net/socket.c:2650)
[  523.098763][T10549]  ? sock_write_iter (net/socket.c:1269)
[  523.098765][T10549]  ? move_addr_to_kernel (net/socket.c:258)
[  523.098772][T10549]  ___sys_sendmsg (net/socket.c:2767)
[  523.098775][T10549]  ? copy_msghdr_from_user (net/socket.c:2619)
[  523.098791][T10549]  __sys_sendmsg (net/socket.c:2799)
[  523.098794][T10549]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  523.098801][T10549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.098804][T10549]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  523.098807][T10549]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  523.098810][T10549]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  523.098812][T10549] RIP: 0033:0x7f2df2e4554e
[  523.098816][T10549] 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
[  523.098817][T10549] RSP: 002b:00007ffcdd6680c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  523.098820][T10549] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2df2e4554e
[  523.098822][T10549] RDX: 0000000000000000 RSI: 00007ffcdd668170 RDI: 0000000000000005
[  523.098822][T10549] RBP: 00007ffcdd6680d0 R08: 0000000000000000 R09: 0000000000000000
[  523.098823][T10549] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe24
[  523.098824][T10549] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdd668840
| [  534.076727][T10692] softirqs last disabled at (23106): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  534.076731][T10692] Preemption disabled at:
| [  534.076732][T10692] vprintk_emit (kernel/printk/printk.c:2471)
| [  534.076743][T10692] Tainted: [W]=WARN
[  534.076745][T10692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  534.076747][T10692] Call Trace:
[  534.076749][T10692]  <TASK>
[  534.076751][T10692]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  534.076759][T10692]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  534.076762][T10692]  __might_resched.cold (kernel/sched/core.c:9234)
[  534.076769][T10692]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  534.076775][T10692]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  534.076782][T10692]  __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))
[  534.076786][T10692]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  534.076796][T10692]  ? 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)
[  534.076800][T10692]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  534.076807][T10692]  put_chars (drivers/char/virtio_console.c:1176)
[  534.076811][T10692]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  534.076824][T10692]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  534.076837][T10692]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  534.076843][T10692]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.076851][T10692]  console_emit_next_record (kernel/printk/printk.c:3183)
[  534.076858][T10692]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  534.076861][T10692]  ? 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))
[  534.076867][T10692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.076871][T10692]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.076879][T10692]  console_flush_one_record (kernel/printk/printk.c:3268)
[  534.076887][T10692]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  534.076890][T10692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  534.076900][T10692]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  534.076905][T10692]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  534.076908][T10692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.076912][T10692]  ? 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)
[  534.076919][T10692]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  534.076922][T10692]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  534.076927][T10692]  vprintk_emit (kernel/printk/printk.c:2479)
[  534.076933][T10692]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  534.076938][T10692]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  534.076947][T10692]  _printk (kernel/printk/printk.c:2504)
[  534.076952][T10692]  ? snapshot_read.cold (user.c:?)
[  534.076955][T10692]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  534.076960][T10692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  534.076964][T10692]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  534.076968][T10692]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  534.076973][T10692]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  534.076978][T10692]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  534.076983][T10692]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  534.076987][T10692]  ? netdev_notice (net/core/dev.c:13194)
[  534.076992][T10692]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  534.076998][T10692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  534.077002][T10692]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  534.077009][T10692]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  534.077013][T10692]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  534.077017][T10692]  ? register_netdev (net/core/dev.c:11618)
[  534.077019][T10692]  ? 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))
[  534.077028][T10692]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  534.077032][T10692]  ? __kernel_text_address (kernel/extable.c:79)
[  534.077036][T10692]  ? write_profile (profile.c:?)
[  534.077042][T10692]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  534.077052][T10692]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  534.077059][T10692]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  534.077063][T10692]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  534.077065][T10692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  534.077069][T10692]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  534.077074][T10692]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  534.077077][T10692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  534.077081][T10692]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  534.077085][T10692]  ? kasan_save_stack (mm/kasan/common.c:58)
[  534.077088][T10692]  ? kasan_save_stack (mm/kasan/common.c:57)
[  534.077090][T10692]  ? kasan_save_track (mm/kasan/common.c:78)
[  534.077092][T10692]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  534.077097][T10692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  534.077100][T10692]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  534.077105][T10692]  ? ___sys_sendmsg (net/socket.c:2758)
[  534.077112][T10692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  534.077115][T10692]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  534.077120][T10692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.077124][T10692]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.077126][T10692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.077128][T10692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.077132][T10692]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  534.077136][T10692]  ? __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)
[  534.077138][T10692]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  534.077142][T10692]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  534.077149][T10692]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  534.077151][T10692]  ? nla_get_range_signed (lib/nlattr.c:270)
[  534.077160][T10692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.077164][T10692]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  534.077175][T10692]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  534.077185][T10692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  534.077189][T10692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  534.077198][T10692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  534.077201][T10692]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  534.077204][T10692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  534.077208][T10692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  534.077215][T10692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  534.077219][T10692]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  534.077225][T10692]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  534.077228][T10692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  534.077236][T10692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  534.077240][T10692]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  534.077247][T10692]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  534.077251][T10692]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  534.077257][T10692]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  534.077269][T10692]  ? 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))
[  534.077272][T10692]  ? 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))
[  534.077281][T10692]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  534.077289][T10692]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  534.077293][T10692]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  534.077302][T10692]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  534.077309][T10692]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  534.077317][T10692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  534.077319][T10692]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  534.077329][T10692]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  534.077334][T10692]  ____sys_sendmsg (net/socket.c:2713)
[  534.077338][T10692]  ? copy_msghdr_from_user (net/socket.c:2650)
[  534.077342][T10692]  ? sock_write_iter (net/socket.c:1269)
[  534.077344][T10692]  ? move_addr_to_kernel (net/socket.c:258)
[  534.077359][T10692]  ___sys_sendmsg (net/socket.c:2767)
[  534.077365][T10692]  ? copy_msghdr_from_user (net/socket.c:2619)
[  534.077406][T10692]  __sys_sendmsg (net/socket.c:2799)
[  534.077411][T10692]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  534.077423][T10692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.077429][T10692]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  534.077433][T10692]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  534.077438][T10692]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  534.077442][T10692] RIP: 0033:0x7f887c0d854e
[  534.077447][T10692] 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
[  534.077450][T10692] RSP: 002b:00007ffef0fc28d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  534.077454][T10692] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f887c0d854e
[  534.077456][T10692] RDX: 0000000000000000 RSI: 00007ffef0fc2980 RDI: 0000000000000005
[  534.077458][T10692] RBP: 00007ffef0fc28e0 R08: 0000000000000000 R09: 0000000000000000
[  534.077459][T10692] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe2f
[  534.077461][T10692] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef0fc3050
| [  545.557608][T10835] softirqs last disabled at (17914): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  545.557613][T10835] Preemption disabled at:
| [  545.557614][T10835] vprintk_emit (kernel/printk/printk.c:2471)
| [  545.557625][T10835] Tainted: [W]=WARN
[  545.557627][T10835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  545.557629][T10835] Call Trace:
[  545.557631][T10835]  <TASK>
[  545.557633][T10835]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  545.557641][T10835]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  545.557644][T10835]  __might_resched.cold (kernel/sched/core.c:9234)
[  545.557649][T10835]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  545.557655][T10835]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  545.557662][T10835]  __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))
[  545.557665][T10835]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  545.557679][T10835]  ? 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)
[  545.557682][T10835]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  545.557688][T10835]  put_chars (drivers/char/virtio_console.c:1176)
[  545.557692][T10835]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  545.557703][T10835]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  545.557715][T10835]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  545.557720][T10835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.557728][T10835]  console_emit_next_record (kernel/printk/printk.c:3183)
[  545.557734][T10835]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  545.557737][T10835]  ? 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))
[  545.557742][T10835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.557746][T10835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.557753][T10835]  console_flush_one_record (kernel/printk/printk.c:3268)
[  545.557760][T10835]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  545.557762][T10835]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.557771][T10835]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  545.557776][T10835]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  545.557779][T10835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.557782][T10835]  ? 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)
[  545.557788][T10835]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  545.557791][T10835]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  545.557796][T10835]  vprintk_emit (kernel/printk/printk.c:2479)
[  545.557801][T10835]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  545.557805][T10835]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  545.557813][T10835]  _printk (kernel/printk/printk.c:2504)
[  545.557818][T10835]  ? snapshot_read.cold (user.c:?)
[  545.557820][T10835]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  545.557825][T10835]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  545.557829][T10835]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  545.557833][T10835]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  545.557838][T10835]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  545.557842][T10835]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.557846][T10835]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  545.557851][T10835]  ? netdev_notice (net/core/dev.c:13194)
[  545.557855][T10835]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.557860][T10835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  545.557864][T10835]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  545.557870][T10835]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.557874][T10835]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  545.557877][T10835]  ? register_netdev (net/core/dev.c:11618)
[  545.557879][T10835]  ? 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))
[  545.557887][T10835]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  545.557891][T10835]  ? __kernel_text_address (kernel/extable.c:79)
[  545.557895][T10835]  ? write_profile (profile.c:?)
[  545.557901][T10835]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  545.557909][T10835]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.557915][T10835]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  545.557919][T10835]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  545.557921][T10835]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  545.557924][T10835]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  545.557928][T10835]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  545.557932][T10835]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  545.557935][T10835]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  545.557939][T10835]  ? kasan_save_stack (mm/kasan/common.c:58)
[  545.557941][T10835]  ? kasan_save_stack (mm/kasan/common.c:57)
[  545.557943][T10835]  ? kasan_save_track (mm/kasan/common.c:78)
[  545.557946][T10835]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  545.557950][T10835]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.557952][T10835]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  545.557957][T10835]  ? ___sys_sendmsg (net/socket.c:2758)
[  545.557963][T10835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  545.557966][T10835]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  545.557971][T10835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.557974][T10835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.557976][T10835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.557978][T10835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.557981][T10835]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  545.557984][T10835]  ? __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)
[  545.557986][T10835]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  545.557990][T10835]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  545.557996][T10835]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  545.557997][T10835]  ? nla_get_range_signed (lib/nlattr.c:270)
[  545.558005][T10835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.558009][T10835]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  545.558018][T10835]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  545.558028][T10835]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.558031][T10835]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.558039][T10835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  545.558042][T10835]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.558045][T10835]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.558048][T10835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  545.558055][T10835]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.558059][T10835]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  545.558064][T10835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  545.558066][T10835]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.558074][T10835]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  545.558077][T10835]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.558083][T10835]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  545.558087][T10835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  545.558092][T10835]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  545.558103][T10835]  ? 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))
[  545.558106][T10835]  ? 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))
[  545.558114][T10835]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  545.558121][T10835]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  545.558125][T10835]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.558133][T10835]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  545.558140][T10835]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  545.558146][T10835]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  545.558149][T10835]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  545.558158][T10835]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  545.558162][T10835]  ____sys_sendmsg (net/socket.c:2713)
[  545.558166][T10835]  ? copy_msghdr_from_user (net/socket.c:2650)
[  545.558170][T10835]  ? sock_write_iter (net/socket.c:1269)
[  545.558173][T10835]  ? move_addr_to_kernel (net/socket.c:258)
[  545.558186][T10835]  ___sys_sendmsg (net/socket.c:2767)
[  545.558191][T10835]  ? copy_msghdr_from_user (net/socket.c:2619)
[  545.558221][T10835]  __sys_sendmsg (net/socket.c:2799)
[  545.558226][T10835]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  545.558237][T10835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.558243][T10835]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  545.558247][T10835]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  545.558252][T10835]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  545.558256][T10835] RIP: 0033:0x7f46f289f54e
[  545.558261][T10835] 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
[  545.558264][T10835] RSP: 002b:00007ffc9dc33dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  545.558268][T10835] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f46f289f54e
[  545.558270][T10835] RDX: 0000000000000000 RSI: 00007ffc9dc33e80 RDI: 0000000000000005
[  545.558272][T10835] RBP: 00007ffc9dc33de0 R08: 0000000000000000 R09: 0000000000000000
[  545.558273][T10835] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe3b
[  545.558275][T10835] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9dc34550
| [  556.158270][T10978] softirqs last disabled at (23442): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  556.158273][T10978] Preemption disabled at:
| [  556.158274][T10978] vprintk_emit (kernel/printk/printk.c:2471)
| [  556.158282][T10978] Tainted: [W]=WARN
[  556.158283][T10978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  556.158285][T10978] Call Trace:
[  556.158286][T10978]  <TASK>
[  556.158288][T10978]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  556.158294][T10978]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  556.158295][T10978]  __might_resched.cold (kernel/sched/core.c:9234)
[  556.158300][T10978]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  556.158304][T10978]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  556.158309][T10978]  __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))
[  556.158311][T10978]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  556.158317][T10978]  ? 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)
[  556.158320][T10978]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  556.158325][T10978]  put_chars (drivers/char/virtio_console.c:1176)
[  556.158327][T10978]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  556.158334][T10978]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  556.158341][T10978]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  556.158344][T10978]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  556.158349][T10978]  console_emit_next_record (kernel/printk/printk.c:3183)
[  556.158353][T10978]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  556.158355][T10978]  ? 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))
[  556.158358][T10978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.158361][T10978]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  556.158365][T10978]  console_flush_one_record (kernel/printk/printk.c:3268)
[  556.158369][T10978]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  556.158371][T10978]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  556.158377][T10978]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  556.158379][T10978]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  556.158381][T10978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.158383][T10978]  ? 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)
[  556.158387][T10978]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  556.158389][T10978]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  556.158392][T10978]  vprintk_emit (kernel/printk/printk.c:2479)
[  556.158395][T10978]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  556.158398][T10978]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  556.158403][T10978]  _printk (kernel/printk/printk.c:2504)
[  556.158407][T10978]  ? snapshot_read.cold (user.c:?)
[  556.158409][T10978]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  556.158411][T10978]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  556.158414][T10978]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  556.158416][T10978]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  556.158420][T10978]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  556.158423][T10978]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  556.158426][T10978]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  556.158429][T10978]  ? netdev_notice (net/core/dev.c:13194)
[  556.158432][T10978]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  556.158435][T10978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  556.158437][T10978]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  556.158441][T10978]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  556.158443][T10978]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  556.158445][T10978]  ? register_netdev (net/core/dev.c:11618)
[  556.158447][T10978]  ? 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))
[  556.158452][T10978]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  556.158455][T10978]  ? __kernel_text_address (kernel/extable.c:79)
[  556.158457][T10978]  ? write_profile (profile.c:?)
[  556.158461][T10978]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  556.158468][T10978]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  556.158472][T10978]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  556.158474][T10978]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  556.158475][T10978]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  556.158477][T10978]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  556.158480][T10978]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  556.158482][T10978]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  556.158484][T10978]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  556.158487][T10978]  ? kasan_save_stack (mm/kasan/common.c:58)
[  556.158489][T10978]  ? kasan_save_stack (mm/kasan/common.c:57)
[  556.158490][T10978]  ? kasan_save_track (mm/kasan/common.c:78)
[  556.158491][T10978]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  556.158494][T10978]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  556.158496][T10978]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  556.158499][T10978]  ? ___sys_sendmsg (net/socket.c:2758)
[  556.158503][T10978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  556.158505][T10978]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  556.158507][T10978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.158509][T10978]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  556.158511][T10978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.158512][T10978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.158514][T10978]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  556.158516][T10978]  ? __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)
[  556.158517][T10978]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  556.158525][T10978]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  556.158528][T10978]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  556.158530][T10978]  ? nla_get_range_signed (lib/nlattr.c:270)
[  556.158535][T10978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.158537][T10978]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  556.158542][T10978]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  556.158548][T10978]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  556.158550][T10978]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  556.158554][T10978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  556.158556][T10978]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  556.158558][T10978]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  556.158560][T10978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  556.158564][T10978]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  556.158566][T10978]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  556.158569][T10978]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  556.158570][T10978]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  556.158575][T10978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  556.158577][T10978]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  556.158580][T10978]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  556.158584][T10978]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  556.158587][T10978]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  556.158593][T10978]  ? 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))
[  556.158595][T10978]  ? 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))
[  556.158600][T10978]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  556.158604][T10978]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  556.158607][T10978]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  556.158611][T10978]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  556.158615][T10978]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  556.158619][T10978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  556.158621][T10978]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  556.158626][T10978]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  556.158629][T10978]  ____sys_sendmsg (net/socket.c:2713)
[  556.158632][T10978]  ? copy_msghdr_from_user (net/socket.c:2650)
[  556.158634][T10978]  ? sock_write_iter (net/socket.c:1269)
[  556.158636][T10978]  ? move_addr_to_kernel (net/socket.c:258)
[  556.158643][T10978]  ___sys_sendmsg (net/socket.c:2767)
[  556.158646][T10978]  ? copy_msghdr_from_user (net/socket.c:2619)
[  556.158662][T10978]  __sys_sendmsg (net/socket.c:2799)
[  556.158665][T10978]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  556.158674][T10978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.158677][T10978]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  556.158681][T10978]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  556.158684][T10978]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  556.158686][T10978] RIP: 0033:0x7ff31935954e
[  556.158690][T10978] 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
[  556.158692][T10978] RSP: 002b:00007fff3953c790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  556.158694][T10978] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff31935954e
[  556.158696][T10978] RDX: 0000000000000000 RSI: 00007fff3953c840 RDI: 0000000000000005
[  556.158697][T10978] RBP: 00007fff3953c7a0 R08: 0000000000000000 R09: 0000000000000000
[  556.158697][T10978] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe45
[  556.158698][T10978] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3953cf10
| [  566.377392][T11121] softirqs last disabled at (18414): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  566.377394][T11121] Preemption disabled at:
| [  566.377395][T11121] vprintk_emit (kernel/printk/printk.c:2471)
| [  566.377404][T11121] Tainted: [W]=WARN
[  566.377405][T11121] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  566.377407][T11121] Call Trace:
[  566.377408][T11121]  <TASK>
[  566.377410][T11121]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  566.377416][T11121]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  566.377418][T11121]  __might_resched.cold (kernel/sched/core.c:9234)
[  566.377423][T11121]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  566.377427][T11121]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  566.377431][T11121]  __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))
[  566.377433][T11121]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  566.377440][T11121]  ? 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)
[  566.377443][T11121]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  566.377447][T11121]  put_chars (drivers/char/virtio_console.c:1176)
[  566.377450][T11121]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  566.377456][T11121]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  566.377466][T11121]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  566.377470][T11121]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.377475][T11121]  console_emit_next_record (kernel/printk/printk.c:3183)
[  566.377479][T11121]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  566.377481][T11121]  ? 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))
[  566.377484][T11121]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.377487][T11121]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.377491][T11121]  console_flush_one_record (kernel/printk/printk.c:3268)
[  566.377496][T11121]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  566.377498][T11121]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  566.377504][T11121]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  566.377507][T11121]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  566.377509][T11121]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.377511][T11121]  ? 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)
[  566.377515][T11121]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  566.377516][T11121]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  566.377519][T11121]  vprintk_emit (kernel/printk/printk.c:2479)
[  566.377522][T11121]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  566.377525][T11121]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  566.377531][T11121]  _printk (kernel/printk/printk.c:2504)
[  566.377534][T11121]  ? snapshot_read.cold (user.c:?)
[  566.377536][T11121]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  566.377539][T11121]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  566.377542][T11121]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  566.377544][T11121]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  566.377548][T11121]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  566.377551][T11121]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  566.377553][T11121]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  566.377556][T11121]  ? netdev_notice (net/core/dev.c:13194)
[  566.377559][T11121]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  566.377562][T11121]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  566.377565][T11121]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  566.377568][T11121]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  566.377570][T11121]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  566.377573][T11121]  ? register_netdev (net/core/dev.c:11618)
[  566.377574][T11121]  ? 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))
[  566.377580][T11121]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  566.377588][T11121]  ? __kernel_text_address (kernel/extable.c:79)
[  566.377591][T11121]  ? write_profile (profile.c:?)
[  566.377595][T11121]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  566.377601][T11121]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  566.377605][T11121]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  566.377608][T11121]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  566.377609][T11121]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  566.377611][T11121]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  566.377615][T11121]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  566.377617][T11121]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  566.377619][T11121]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  566.377621][T11121]  ? kasan_save_stack (mm/kasan/common.c:58)
[  566.377623][T11121]  ? kasan_save_stack (mm/kasan/common.c:57)
[  566.377624][T11121]  ? kasan_save_track (mm/kasan/common.c:78)
[  566.377626][T11121]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  566.377628][T11121]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  566.377630][T11121]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  566.377633][T11121]  ? ___sys_sendmsg (net/socket.c:2758)
[  566.377637][T11121]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  566.377640][T11121]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  566.377642][T11121]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.377644][T11121]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.377646][T11121]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.377647][T11121]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.377649][T11121]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  566.377651][T11121]  ? __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)
[  566.377652][T11121]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  566.377654][T11121]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  566.377658][T11121]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  566.377659][T11121]  ? nla_get_range_signed (lib/nlattr.c:270)
[  566.377664][T11121]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.377666][T11121]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  566.377675][T11121]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  566.377680][T11121]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  566.377682][T11121]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  566.377687][T11121]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  566.377689][T11121]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  566.377691][T11121]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  566.377693][T11121]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  566.377697][T11121]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  566.377699][T11121]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  566.377702][T11121]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  566.377703][T11121]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  566.377708][T11121]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  566.377710][T11121]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  566.377714][T11121]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  566.377717][T11121]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  566.377720][T11121]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  566.377726][T11121]  ? 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))
[  566.377729][T11121]  ? 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))
[  566.377733][T11121]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  566.377737][T11121]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  566.377740][T11121]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  566.377745][T11121]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  566.377749][T11121]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  566.377752][T11121]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  566.377754][T11121]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  566.377760][T11121]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  566.377763][T11121]  ____sys_sendmsg (net/socket.c:2713)
[  566.377765][T11121]  ? copy_msghdr_from_user (net/socket.c:2650)
[  566.377768][T11121]  ? sock_write_iter (net/socket.c:1269)
[  566.377769][T11121]  ? move_addr_to_kernel (net/socket.c:258)
[  566.377777][T11121]  ___sys_sendmsg (net/socket.c:2767)
[  566.377780][T11121]  ? copy_msghdr_from_user (net/socket.c:2619)
[  566.377796][T11121]  __sys_sendmsg (net/socket.c:2799)
[  566.377799][T11121]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  566.377805][T11121]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.377808][T11121]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  566.377812][T11121]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  566.377815][T11121]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  566.377817][T11121] RIP: 0033:0x7fc8522ef54e
[  566.377821][T11121] 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
[  566.377823][T11121] RSP: 002b:00007fff74284060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  566.377826][T11121] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc8522ef54e
[  566.377828][T11121] RDX: 0000000000000000 RSI: 00007fff74284110 RDI: 0000000000000005
[  566.377829][T11121] RBP: 00007fff74284070 R08: 0000000000000000 R09: 0000000000000000
[  566.377830][T11121] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe50
[  566.377831][T11121] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff742847e0
| [  576.718827][T11265] softirqs last disabled at (30614): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  576.718831][T11265] Preemption disabled at:
| [  576.718832][T11265] vprintk_emit (kernel/printk/printk.c:2471)
| [  576.718843][T11265] Tainted: [W]=WARN
[  576.718844][T11265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  576.718847][T11265] Call Trace:
[  576.718849][T11265]  <TASK>
[  576.718851][T11265]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  576.718858][T11265]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  576.718861][T11265]  __might_resched.cold (kernel/sched/core.c:9234)
[  576.718868][T11265]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  576.718874][T11265]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  576.718881][T11265]  __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))
[  576.718884][T11265]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  576.718894][T11265]  ? 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)
[  576.718898][T11265]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  576.718905][T11265]  put_chars (drivers/char/virtio_console.c:1176)
[  576.718909][T11265]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  576.718921][T11265]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  576.718934][T11265]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  576.718940][T11265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.718948][T11265]  console_emit_next_record (kernel/printk/printk.c:3183)
[  576.718954][T11265]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  576.718957][T11265]  ? 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))
[  576.718963][T11265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.718967][T11265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.718975][T11265]  console_flush_one_record (kernel/printk/printk.c:3268)
[  576.718982][T11265]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  576.718985][T11265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  576.718995][T11265]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  576.719000][T11265]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  576.719003][T11265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.719006][T11265]  ? 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)
[  576.719013][T11265]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  576.719016][T11265]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  576.719021][T11265]  vprintk_emit (kernel/printk/printk.c:2479)
[  576.719027][T11265]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  576.719032][T11265]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  576.719040][T11265]  _printk (kernel/printk/printk.c:2504)
[  576.719046][T11265]  ? snapshot_read.cold (user.c:?)
[  576.719049][T11265]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  576.719053][T11265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  576.719057][T11265]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  576.719061][T11265]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  576.719066][T11265]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  576.719071][T11265]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  576.719075][T11265]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  576.719079][T11265]  ? netdev_notice (net/core/dev.c:13194)
[  576.719084][T11265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  576.719089][T11265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  576.719093][T11265]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  576.719099][T11265]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  576.719103][T11265]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  576.719112][T11265]  ? register_netdev (net/core/dev.c:11618)
[  576.719115][T11265]  ? 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))
[  576.719130][T11265]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  576.719137][T11265]  ? __kernel_text_address (kernel/extable.c:79)
[  576.719141][T11265]  ? write_profile (profile.c:?)
[  576.719147][T11265]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  576.719156][T11265]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  576.719164][T11265]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  576.719172][T11265]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  576.719178][T11265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  576.719181][T11265]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  576.719191][T11265]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  576.719196][T11265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  576.719199][T11265]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  576.719203][T11265]  ? kasan_save_stack (mm/kasan/common.c:58)
[  576.719206][T11265]  ? kasan_save_stack (mm/kasan/common.c:57)
[  576.719208][T11265]  ? kasan_save_track (mm/kasan/common.c:78)
[  576.719210][T11265]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  576.719215][T11265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  576.719218][T11265]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  576.719223][T11265]  ? ___sys_sendmsg (net/socket.c:2758)
[  576.719229][T11265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  576.719232][T11265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  576.719236][T11265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.719239][T11265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.719242][T11265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.719244][T11265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.719247][T11265]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  576.719255][T11265]  ? __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)
[  576.719258][T11265]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  576.719267][T11265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  576.719275][T11265]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  576.719280][T11265]  ? nla_get_range_signed (lib/nlattr.c:270)
[  576.719288][T11265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.719292][T11265]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  576.719301][T11265]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  576.719316][T11265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  576.719323][T11265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  576.719335][T11265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  576.719340][T11265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  576.719343][T11265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  576.719347][T11265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  576.719353][T11265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  576.719357][T11265]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  576.719363][T11265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  576.719365][T11265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  576.719372][T11265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  576.719375][T11265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  576.719383][T11265]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  576.719393][T11265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  576.719403][T11265]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  576.719417][T11265]  ? 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))
[  576.719420][T11265]  ? 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))
[  576.719428][T11265]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  576.719437][T11265]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  576.719447][T11265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  576.719459][T11265]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  576.719470][T11265]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  576.719477][T11265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  576.719480][T11265]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  576.719488][T11265]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  576.719493][T11265]  ____sys_sendmsg (net/socket.c:2713)
[  576.719502][T11265]  ? copy_msghdr_from_user (net/socket.c:2650)
[  576.719510][T11265]  ? sock_write_iter (net/socket.c:1269)
[  576.719514][T11265]  ? move_addr_to_kernel (net/socket.c:258)
[  576.719532][T11265]  ___sys_sendmsg (net/socket.c:2767)
[  576.719537][T11265]  ? copy_msghdr_from_user (net/socket.c:2619)
[  576.719567][T11265]  __sys_sendmsg (net/socket.c:2799)
[  576.719578][T11265]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  576.719590][T11265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.719596][T11265]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  576.719600][T11265]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  576.719605][T11265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  576.719609][T11265] RIP: 0033:0x7f37aca4554e
[  576.719614][T11265] 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
[  576.719617][T11265] RSP: 002b:00007ffcc0d13dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  576.719623][T11265] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f37aca4554e
[  576.719626][T11265] RDX: 0000000000000000 RSI: 00007ffcc0d13e70 RDI: 0000000000000005
[  576.719628][T11265] RBP: 00007ffcc0d13dd0 R08: 0000000000000000 R09: 0000000000000000
[  576.719629][T11265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe5a
[  576.719631][T11265] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc0d14540
| [  587.583252][T11411] softirqs last disabled at (18178): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  587.583256][T11411] Preemption disabled at:
| [  587.583257][T11411] vprintk_emit (kernel/printk/printk.c:2471)
| [  587.583269][T11411] Tainted: [W]=WARN
[  587.583270][T11411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  587.583272][T11411] Call Trace:
[  587.583275][T11411]  <TASK>
[  587.583277][T11411]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  587.583284][T11411]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  587.583287][T11411]  __might_resched.cold (kernel/sched/core.c:9234)
[  587.583293][T11411]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  587.583299][T11411]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  587.583306][T11411]  __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))
[  587.583309][T11411]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  587.583319][T11411]  ? 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)
[  587.583323][T11411]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  587.583329][T11411]  put_chars (drivers/char/virtio_console.c:1176)
[  587.583333][T11411]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  587.583345][T11411]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  587.583356][T11411]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  587.583362][T11411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.583369][T11411]  console_emit_next_record (kernel/printk/printk.c:3183)
[  587.583376][T11411]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  587.583378][T11411]  ? 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))
[  587.583384][T11411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.583388][T11411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.583396][T11411]  console_flush_one_record (kernel/printk/printk.c:3268)
[  587.583403][T11411]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  587.583406][T11411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  587.583415][T11411]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  587.583420][T11411]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  587.583422][T11411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.583425][T11411]  ? 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)
[  587.583432][T11411]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  587.583435][T11411]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  587.583440][T11411]  vprintk_emit (kernel/printk/printk.c:2479)
[  587.583445][T11411]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  587.583450][T11411]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  587.583459][T11411]  _printk (kernel/printk/printk.c:2504)
[  587.583465][T11411]  ? snapshot_read.cold (user.c:?)
[  587.583468][T11411]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  587.583473][T11411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  587.583477][T11411]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  587.583481][T11411]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  587.583486][T11411]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  587.583491][T11411]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  587.583495][T11411]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  587.583499][T11411]  ? netdev_notice (net/core/dev.c:13194)
[  587.583503][T11411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  587.583508][T11411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  587.583513][T11411]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  587.583519][T11411]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  587.583523][T11411]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  587.583527][T11411]  ? register_netdev (net/core/dev.c:11618)
[  587.583529][T11411]  ? 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))
[  587.583537][T11411]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  587.583541][T11411]  ? __kernel_text_address (kernel/extable.c:79)
[  587.583545][T11411]  ? write_profile (profile.c:?)
[  587.583551][T11411]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  587.583559][T11411]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  587.583565][T11411]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  587.583569][T11411]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  587.583571][T11411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  587.583574][T11411]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  587.583579][T11411]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  587.583582][T11411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  587.583586][T11411]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  587.583590][T11411]  ? kasan_save_stack (mm/kasan/common.c:58)
[  587.583593][T11411]  ? kasan_save_stack (mm/kasan/common.c:57)
[  587.583595][T11411]  ? kasan_save_track (mm/kasan/common.c:78)
[  587.583597][T11411]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  587.583601][T11411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  587.583605][T11411]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  587.583610][T11411]  ? ___sys_sendmsg (net/socket.c:2758)
[  587.583616][T11411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  587.583619][T11411]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  587.583624][T11411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.583627][T11411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.583629][T11411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.583631][T11411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.583634][T11411]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  587.583638][T11411]  ? __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)
[  587.583640][T11411]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  587.583644][T11411]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  587.583651][T11411]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  587.583653][T11411]  ? nla_get_range_signed (lib/nlattr.c:270)
[  587.583661][T11411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.583665][T11411]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  587.583677][T11411]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  587.583687][T11411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  587.583690][T11411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  587.583698][T11411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  587.583701][T11411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  587.583704][T11411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  587.583708][T11411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  587.583722][T11411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  587.583725][T11411]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  587.583731][T11411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  587.583734][T11411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  587.583741][T11411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  587.583745][T11411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  587.583750][T11411]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  587.583755][T11411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  587.583760][T11411]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  587.583771][T11411]  ? 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))
[  587.583775][T11411]  ? 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))
[  587.583783][T11411]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  587.583789][T11411]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  587.583793][T11411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  587.583800][T11411]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  587.583807][T11411]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  587.583815][T11411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  587.583817][T11411]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  587.583826][T11411]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  587.583831][T11411]  ____sys_sendmsg (net/socket.c:2713)
[  587.583835][T11411]  ? copy_msghdr_from_user (net/socket.c:2650)
[  587.583838][T11411]  ? sock_write_iter (net/socket.c:1269)
[  587.583841][T11411]  ? move_addr_to_kernel (net/socket.c:258)
[  587.583855][T11411]  ___sys_sendmsg (net/socket.c:2767)
[  587.583860][T11411]  ? copy_msghdr_from_user (net/socket.c:2619)
[  587.583889][T11411]  __sys_sendmsg (net/socket.c:2799)
[  587.583893][T11411]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  587.583904][T11411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.583910][T11411]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  587.583914][T11411]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  587.583919][T11411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  587.583923][T11411] RIP: 0033:0x7fe87420854e
[  587.583928][T11411] 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
[  587.583931][T11411] RSP: 002b:00007ffc55324be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  587.583935][T11411] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe87420854e
[  587.583937][T11411] RDX: 0000000000000000 RSI: 00007ffc55324c90 RDI: 0000000000000005
[  587.583938][T11411] RBP: 00007ffc55324bf0 R08: 0000000000000000 R09: 0000000000000000
[  587.583940][T11411] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe65
[  587.583941][T11411] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc55325360
| [  598.479338][T11554] softirqs last disabled at (17762): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  598.479342][T11554] Preemption disabled at:
| [  598.479343][T11554] vprintk_emit (kernel/printk/printk.c:2471)
| [  598.479354][T11554] Tainted: [W]=WARN
[  598.479356][T11554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  598.479358][T11554] Call Trace:
[  598.479360][T11554]  <TASK>
[  598.479362][T11554]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  598.479370][T11554]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  598.479373][T11554]  __might_resched.cold (kernel/sched/core.c:9234)
[  598.479379][T11554]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  598.479385][T11554]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  598.479392][T11554]  __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))
[  598.479396][T11554]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  598.479406][T11554]  ? 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)
[  598.479410][T11554]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  598.479417][T11554]  put_chars (drivers/char/virtio_console.c:1176)
[  598.479422][T11554]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  598.479434][T11554]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  598.479447][T11554]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  598.479452][T11554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.479460][T11554]  console_emit_next_record (kernel/printk/printk.c:3183)
[  598.479468][T11554]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  598.479471][T11554]  ? 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))
[  598.479477][T11554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.479481][T11554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.479488][T11554]  console_flush_one_record (kernel/printk/printk.c:3268)
[  598.479495][T11554]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  598.479498][T11554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.479507][T11554]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  598.479512][T11554]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  598.479515][T11554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.479519][T11554]  ? 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)
[  598.479525][T11554]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  598.479528][T11554]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  598.479533][T11554]  vprintk_emit (kernel/printk/printk.c:2479)
[  598.479539][T11554]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  598.479544][T11554]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  598.479553][T11554]  _printk (kernel/printk/printk.c:2504)
[  598.479559][T11554]  ? snapshot_read.cold (user.c:?)
[  598.479562][T11554]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  598.479567][T11554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  598.479572][T11554]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  598.479576][T11554]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  598.479581][T11554]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  598.479586][T11554]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.479591][T11554]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  598.479596][T11554]  ? netdev_notice (net/core/dev.c:13194)
[  598.479601][T11554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.479608][T11554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  598.479612][T11554]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  598.479618][T11554]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.479622][T11554]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  598.479625][T11554]  ? register_netdev (net/core/dev.c:11618)
[  598.479628][T11554]  ? 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))
[  598.479636][T11554]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  598.479640][T11554]  ? __kernel_text_address (kernel/extable.c:79)
[  598.479644][T11554]  ? write_profile (profile.c:?)
[  598.479650][T11554]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  598.479659][T11554]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.479666][T11554]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  598.479673][T11554]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  598.479675][T11554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  598.479679][T11554]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  598.479684][T11554]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  598.479687][T11554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  598.479690][T11554]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  598.479694][T11554]  ? kasan_save_stack (mm/kasan/common.c:58)
[  598.479697][T11554]  ? kasan_save_stack (mm/kasan/common.c:57)
[  598.479699][T11554]  ? kasan_save_track (mm/kasan/common.c:78)
[  598.479701][T11554]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  598.479705][T11554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.479708][T11554]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  598.479713][T11554]  ? ___sys_sendmsg (net/socket.c:2758)
[  598.479719][T11554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  598.479722][T11554]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  598.479727][T11554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.479730][T11554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.479733][T11554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.479735][T11554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.479738][T11554]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  598.479743][T11554]  ? __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)
[  598.479745][T11554]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  598.479749][T11554]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  598.479755][T11554]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  598.479757][T11554]  ? nla_get_range_signed (lib/nlattr.c:270)
[  598.479765][T11554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.479769][T11554]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  598.479779][T11554]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  598.479796][T11554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.479799][T11554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.479807][T11554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  598.479811][T11554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.479814][T11554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.479818][T11554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  598.479825][T11554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.479829][T11554]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  598.479835][T11554]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  598.479837][T11554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.479845][T11554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  598.479848][T11554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.479854][T11554]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  598.479858][T11554]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  598.479864][T11554]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  598.479875][T11554]  ? 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))
[  598.479878][T11554]  ? 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))
[  598.479887][T11554]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  598.479894][T11554]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  598.479899][T11554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.479907][T11554]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  598.479914][T11554]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  598.479921][T11554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  598.479923][T11554]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  598.479932][T11554]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  598.479937][T11554]  ____sys_sendmsg (net/socket.c:2713)
[  598.479940][T11554]  ? copy_msghdr_from_user (net/socket.c:2650)
[  598.479944][T11554]  ? sock_write_iter (net/socket.c:1269)
[  598.479947][T11554]  ? move_addr_to_kernel (net/socket.c:258)
[  598.479960][T11554]  ___sys_sendmsg (net/socket.c:2767)
[  598.479966][T11554]  ? copy_msghdr_from_user (net/socket.c:2619)
[  598.479997][T11554]  __sys_sendmsg (net/socket.c:2799)
[  598.480001][T11554]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  598.480013][T11554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.480018][T11554]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  598.480022][T11554]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  598.480027][T11554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  598.480030][T11554] RIP: 0033:0x7fbc1296854e
[  598.480036][T11554] 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
[  598.480039][T11554] RSP: 002b:00007ffc0ca39280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  598.480043][T11554] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbc1296854e
[  598.480046][T11554] RDX: 0000000000000000 RSI: 00007ffc0ca39330 RDI: 0000000000000005
[  598.480048][T11554] RBP: 00007ffc0ca39290 R08: 0000000000000000 R09: 0000000000000000
[  598.480049][T11554] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe70
[  598.480051][T11554] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0ca39a00
| [  609.451390][T11698] softirqs last disabled at (19916): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  609.451394][T11698] Preemption disabled at:
| [  609.451395][T11698] vprintk_emit (kernel/printk/printk.c:2471)
| [  609.451407][T11698] Tainted: [W]=WARN
[  609.451408][T11698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  609.451410][T11698] Call Trace:
[  609.451413][T11698]  <TASK>
[  609.451415][T11698]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  609.451423][T11698]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  609.451426][T11698]  __might_resched.cold (kernel/sched/core.c:9234)
[  609.451432][T11698]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  609.451438][T11698]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  609.451445][T11698]  __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))
[  609.451448][T11698]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  609.451458][T11698]  ? 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)
[  609.451462][T11698]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  609.451471][T11698]  put_chars (drivers/char/virtio_console.c:1176)
[  609.451475][T11698]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  609.451487][T11698]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  609.451500][T11698]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  609.451505][T11698]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.451513][T11698]  console_emit_next_record (kernel/printk/printk.c:3183)
[  609.451520][T11698]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  609.451522][T11698]  ? 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))
[  609.451528][T11698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.451532][T11698]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.451539][T11698]  console_flush_one_record (kernel/printk/printk.c:3268)
[  609.451546][T11698]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  609.451549][T11698]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  609.451560][T11698]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  609.451564][T11698]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  609.451567][T11698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.451570][T11698]  ? 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)
[  609.451577][T11698]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  609.451580][T11698]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  609.451585][T11698]  vprintk_emit (kernel/printk/printk.c:2479)
[  609.451591][T11698]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  609.451595][T11698]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  609.451604][T11698]  _printk (kernel/printk/printk.c:2504)
[  609.451610][T11698]  ? snapshot_read.cold (user.c:?)
[  609.451612][T11698]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  609.451617][T11698]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  609.451621][T11698]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  609.451624][T11698]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  609.451630][T11698]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  609.451634][T11698]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  609.451639][T11698]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  609.451643][T11698]  ? netdev_notice (net/core/dev.c:13194)
[  609.451648][T11698]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  609.451653][T11698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  609.451657][T11698]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  609.451664][T11698]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  609.451671][T11698]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  609.451674][T11698]  ? register_netdev (net/core/dev.c:11618)
[  609.451676][T11698]  ? 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))
[  609.451685][T11698]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  609.451689][T11698]  ? __kernel_text_address (kernel/extable.c:79)
[  609.451693][T11698]  ? write_profile (profile.c:?)
[  609.451699][T11698]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  609.451708][T11698]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  609.451714][T11698]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  609.451718][T11698]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  609.451721][T11698]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  609.451724][T11698]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  609.451729][T11698]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  609.451732][T11698]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  609.451735][T11698]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  609.451739][T11698]  ? kasan_save_stack (mm/kasan/common.c:58)
[  609.451742][T11698]  ? kasan_save_stack (mm/kasan/common.c:57)
[  609.451744][T11698]  ? kasan_save_track (mm/kasan/common.c:78)
[  609.451746][T11698]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  609.451751][T11698]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  609.451754][T11698]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  609.451758][T11698]  ? ___sys_sendmsg (net/socket.c:2758)
[  609.451765][T11698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  609.451768][T11698]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  609.451773][T11698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.451776][T11698]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.451779][T11698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.451781][T11698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.451784][T11698]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  609.451788][T11698]  ? __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)
[  609.451791][T11698]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  609.451794][T11698]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  609.451801][T11698]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  609.451803][T11698]  ? nla_get_range_signed (lib/nlattr.c:270)
[  609.451811][T11698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.451815][T11698]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  609.451825][T11698]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  609.451835][T11698]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  609.451838][T11698]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  609.451847][T11698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  609.451850][T11698]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  609.451860][T11698]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  609.451863][T11698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  609.451870][T11698]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  609.451874][T11698]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  609.451879][T11698]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  609.451882][T11698]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  609.451890][T11698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  609.451893][T11698]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  609.451899][T11698]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  609.451904][T11698]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  609.451909][T11698]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  609.451921][T11698]  ? 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))
[  609.451924][T11698]  ? 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))
[  609.451932][T11698]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  609.451939][T11698]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  609.451944][T11698]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  609.451952][T11698]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  609.451959][T11698]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  609.451965][T11698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  609.451968][T11698]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  609.451977][T11698]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  609.451982][T11698]  ____sys_sendmsg (net/socket.c:2713)
[  609.451986][T11698]  ? copy_msghdr_from_user (net/socket.c:2650)
[  609.451989][T11698]  ? sock_write_iter (net/socket.c:1269)
[  609.451992][T11698]  ? move_addr_to_kernel (net/socket.c:258)
[  609.452007][T11698]  ___sys_sendmsg (net/socket.c:2767)
[  609.452012][T11698]  ? copy_msghdr_from_user (net/socket.c:2619)
[  609.452043][T11698]  __sys_sendmsg (net/socket.c:2799)
[  609.452047][T11698]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  609.452059][T11698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.452065][T11698]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  609.452069][T11698]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  609.452074][T11698]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  609.452078][T11698] RIP: 0033:0x7f9b2c1ad54e
[  609.452083][T11698] 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
[  609.452086][T11698] RSP: 002b:00007ffebc71b860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  609.452089][T11698] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9b2c1ad54e
[  609.452092][T11698] RDX: 0000000000000000 RSI: 00007ffebc71b910 RDI: 0000000000000005
[  609.452093][T11698] RBP: 00007ffebc71b870 R08: 0000000000000000 R09: 0000000000000000
[  609.452095][T11698] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe7b
[  609.452096][T11698] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebc71bfe0
| [  620.303694][T11840] softirqs last disabled at (19710): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  620.303698][T11840] Preemption disabled at:
| [  620.303699][T11840] vprintk_emit (kernel/printk/printk.c:2471)
| [  620.303710][T11840] Tainted: [W]=WARN
[  620.303711][T11840] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  620.303713][T11840] Call Trace:
[  620.303715][T11840]  <TASK>
[  620.303717][T11840]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  620.303725][T11840]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  620.303728][T11840]  __might_resched.cold (kernel/sched/core.c:9234)
[  620.303734][T11840]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  620.303740][T11840]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  620.303747][T11840]  __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))
[  620.303750][T11840]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  620.303760][T11840]  ? 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)
[  620.303764][T11840]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  620.303770][T11840]  put_chars (drivers/char/virtio_console.c:1176)
[  620.303774][T11840]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  620.303785][T11840]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  620.303797][T11840]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  620.303802][T11840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.303810][T11840]  console_emit_next_record (kernel/printk/printk.c:3183)
[  620.303817][T11840]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  620.303820][T11840]  ? 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))
[  620.303825][T11840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.303829][T11840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.303836][T11840]  console_flush_one_record (kernel/printk/printk.c:3268)
[  620.303843][T11840]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  620.303846][T11840]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  620.303855][T11840]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  620.303859][T11840]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  620.303862][T11840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.303865][T11840]  ? 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)
[  620.303872][T11840]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  620.303874][T11840]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  620.303879][T11840]  vprintk_emit (kernel/printk/printk.c:2479)
[  620.303885][T11840]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  620.303890][T11840]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  620.303899][T11840]  _printk (kernel/printk/printk.c:2504)
[  620.303904][T11840]  ? snapshot_read.cold (user.c:?)
[  620.303907][T11840]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  620.303912][T11840]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  620.303916][T11840]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  620.303924][T11840]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  620.303930][T11840]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  620.303934][T11840]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  620.303938][T11840]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  620.303942][T11840]  ? netdev_notice (net/core/dev.c:13194)
[  620.303946][T11840]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  620.303951][T11840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  620.303956][T11840]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  620.303961][T11840]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  620.303965][T11840]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  620.303969][T11840]  ? register_netdev (net/core/dev.c:11618)
[  620.303971][T11840]  ? 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))
[  620.303980][T11840]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  620.303984][T11840]  ? __kernel_text_address (kernel/extable.c:79)
[  620.303988][T11840]  ? write_profile (profile.c:?)
[  620.303994][T11840]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  620.304003][T11840]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  620.304009][T11840]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  620.304012][T11840]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  620.304014][T11840]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  620.304018][T11840]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  620.304022][T11840]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  620.304026][T11840]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  620.304029][T11840]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  620.304033][T11840]  ? kasan_save_stack (mm/kasan/common.c:58)
[  620.304036][T11840]  ? kasan_save_stack (mm/kasan/common.c:57)
[  620.304038][T11840]  ? kasan_save_track (mm/kasan/common.c:78)
[  620.304040][T11840]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  620.304044][T11840]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  620.304048][T11840]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  620.304052][T11840]  ? ___sys_sendmsg (net/socket.c:2758)
[  620.304058][T11840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  620.304062][T11840]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  620.304067][T11840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.304070][T11840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.304072][T11840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.304074][T11840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.304077][T11840]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  620.304081][T11840]  ? __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)
[  620.304083][T11840]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  620.304086][T11840]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  620.304092][T11840]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  620.304094][T11840]  ? nla_get_range_signed (lib/nlattr.c:270)
[  620.304102][T11840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.304106][T11840]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  620.304116][T11840]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  620.304126][T11840]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  620.304129][T11840]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  620.304138][T11840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  620.304141][T11840]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  620.304145][T11840]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  620.304148][T11840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  620.304155][T11840]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  620.304159][T11840]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  620.304164][T11840]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  620.304166][T11840]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  620.304174][T11840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  620.304177][T11840]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  620.304183][T11840]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  620.304188][T11840]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  620.304193][T11840]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  620.304205][T11840]  ? 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))
[  620.304208][T11840]  ? 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))
[  620.304216][T11840]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  620.304223][T11840]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  620.304227][T11840]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  620.304235][T11840]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  620.304242][T11840]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  620.304248][T11840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  620.304251][T11840]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  620.304259][T11840]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  620.304264][T11840]  ____sys_sendmsg (net/socket.c:2713)
[  620.304268][T11840]  ? copy_msghdr_from_user (net/socket.c:2650)
[  620.304272][T11840]  ? sock_write_iter (net/socket.c:1269)
[  620.304275][T11840]  ? move_addr_to_kernel (net/socket.c:258)
[  620.304289][T11840]  ___sys_sendmsg (net/socket.c:2767)
[  620.304294][T11840]  ? copy_msghdr_from_user (net/socket.c:2619)
[  620.304323][T11840]  __sys_sendmsg (net/socket.c:2799)
[  620.304327][T11840]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  620.304339][T11840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.304345][T11840]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  620.304349][T11840]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  620.304354][T11840]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  620.304357][T11840] RIP: 0033:0x7fbace4a754e
[  620.304363][T11840] 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
[  620.304366][T11840] RSP: 002b:00007ffcd3ade5d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  620.304370][T11840] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbace4a754e
[  620.304372][T11840] RDX: 0000000000000000 RSI: 00007ffcd3ade680 RDI: 0000000000000005
[  620.304374][T11840] RBP: 00007ffcd3ade5e0 R08: 0000000000000000 R09: 0000000000000000
[  620.304375][T11840] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe86
[  620.304376][T11840] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd3aded50
| [  631.220069][T11982] softirqs last disabled at (22388): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  631.220073][T11982] Preemption disabled at:
| [  631.220074][T11982] vprintk_emit (kernel/printk/printk.c:2471)
| [  631.220086][T11982] Tainted: [W]=WARN
[  631.220087][T11982] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  631.220090][T11982] Call Trace:
[  631.220093][T11982]  <TASK>
[  631.220099][T11982]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  631.220113][T11982]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  631.220120][T11982]  __might_resched.cold (kernel/sched/core.c:9234)
[  631.220128][T11982]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  631.220134][T11982]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  631.220141][T11982]  __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))
[  631.220144][T11982]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  631.220154][T11982]  ? 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)
[  631.220162][T11982]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  631.220171][T11982]  put_chars (drivers/char/virtio_console.c:1176)
[  631.220181][T11982]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  631.220195][T11982]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  631.220207][T11982]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  631.220212][T11982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.220220][T11982]  console_emit_next_record (kernel/printk/printk.c:3183)
[  631.220228][T11982]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  631.220234][T11982]  ? 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))
[  631.220245][T11982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.220254][T11982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.220261][T11982]  console_flush_one_record (kernel/printk/printk.c:3268)
[  631.220269][T11982]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  631.220272][T11982]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.220281][T11982]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  631.220291][T11982]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  631.220298][T11982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.220303][T11982]  ? 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)
[  631.220314][T11982]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  631.220317][T11982]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  631.220323][T11982]  vprintk_emit (kernel/printk/printk.c:2479)
[  631.220328][T11982]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  631.220333][T11982]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  631.220343][T11982]  _printk (kernel/printk/printk.c:2504)
[  631.220354][T11982]  ? snapshot_read.cold (user.c:?)
[  631.220359][T11982]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  631.220369][T11982]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  631.220374][T11982]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  631.220378][T11982]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  631.220383][T11982]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  631.220387][T11982]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.220391][T11982]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  631.220396][T11982]  ? netdev_notice (net/core/dev.c:13194)
[  631.220406][T11982]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.220416][T11982]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  631.220425][T11982]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  631.220432][T11982]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.220436][T11982]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  631.220440][T11982]  ? register_netdev (net/core/dev.c:11618)
[  631.220443][T11982]  ? 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))
[  631.220451][T11982]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  631.220456][T11982]  ? __kernel_text_address (kernel/extable.c:79)
[  631.220463][T11982]  ? write_profile (profile.c:?)
[  631.220474][T11982]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  631.220489][T11982]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.220495][T11982]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  631.220499][T11982]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  631.220501][T11982]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  631.220504][T11982]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  631.220509][T11982]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  631.220513][T11982]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  631.220521][T11982]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  631.220528][T11982]  ? kasan_save_stack (mm/kasan/common.c:58)
[  631.220534][T11982]  ? kasan_save_stack (mm/kasan/common.c:57)
[  631.220538][T11982]  ? kasan_save_track (mm/kasan/common.c:78)
[  631.220543][T11982]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  631.220548][T11982]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.220551][T11982]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  631.220556][T11982]  ? ___sys_sendmsg (net/socket.c:2758)
[  631.220562][T11982]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  631.220565][T11982]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  631.220570][T11982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.220574][T11982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.220580][T11982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.220583][T11982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.220590][T11982]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  631.220597][T11982]  ? __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)
[  631.220603][T11982]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  631.220608][T11982]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  631.220614][T11982]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  631.220616][T11982]  ? nla_get_range_signed (lib/nlattr.c:270)
[  631.220623][T11982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.220627][T11982]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  631.220637][T11982]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  631.220646][T11982]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.220650][T11982]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.220659][T11982]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  631.220666][T11982]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.220679][T11982]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.220687][T11982]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  631.220694][T11982]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.220697][T11982]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  631.220703][T11982]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  631.220705][T11982]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.220713][T11982]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  631.220716][T11982]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.220726][T11982]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  631.220736][T11982]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  631.220744][T11982]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  631.220758][T11982]  ? 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))
[  631.220762][T11982]  ? 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))
[  631.220770][T11982]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  631.220777][T11982]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  631.220786][T11982]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.220798][T11982]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  631.220811][T11982]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  631.220817][T11982]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  631.220820][T11982]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  631.220828][T11982]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  631.220833][T11982]  ____sys_sendmsg (net/socket.c:2713)
[  631.220837][T11982]  ? copy_msghdr_from_user (net/socket.c:2650)
[  631.220846][T11982]  ? sock_write_iter (net/socket.c:1269)
[  631.220851][T11982]  ? move_addr_to_kernel (net/socket.c:258)
[  631.220869][T11982]  ___sys_sendmsg (net/socket.c:2767)
[  631.220877][T11982]  ? copy_msghdr_from_user (net/socket.c:2619)
[  631.220905][T11982]  __sys_sendmsg (net/socket.c:2799)
[  631.220909][T11982]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  631.220920][T11982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.220927][T11982]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  631.220935][T11982]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  631.220945][T11982]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  631.220953][T11982] RIP: 0033:0x7f0d685a754e
[  631.220959][T11982] 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
[  631.220962][T11982] RSP: 002b:00007ffdf3809d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  631.220966][T11982] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0d685a754e
[  631.220969][T11982] RDX: 0000000000000000 RSI: 00007ffdf3809db0 RDI: 0000000000000005
[  631.220971][T11982] RBP: 00007ffdf3809d10 R08: 0000000000000000 R09: 0000000000000000
[  631.220972][T11982] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe91
[  631.220974][T11982] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf380a480
| [  642.320501][T12125] softirqs last disabled at (16102): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  642.320505][T12125] Preemption disabled at:
| [  642.320506][T12125] vprintk_emit (kernel/printk/printk.c:2471)
| [  642.320517][T12125] Tainted: [W]=WARN
[  642.320519][T12125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  642.320521][T12125] Call Trace:
[  642.320523][T12125]  <TASK>
[  642.320526][T12125]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  642.320533][T12125]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  642.320536][T12125]  __might_resched.cold (kernel/sched/core.c:9234)
[  642.320542][T12125]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  642.320548][T12125]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  642.320554][T12125]  __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))
[  642.320558][T12125]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  642.320567][T12125]  ? 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)
[  642.320571][T12125]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  642.320577][T12125]  put_chars (drivers/char/virtio_console.c:1176)
[  642.320582][T12125]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  642.320593][T12125]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  642.320605][T12125]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  642.320610][T12125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.320617][T12125]  console_emit_next_record (kernel/printk/printk.c:3183)
[  642.320624][T12125]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  642.320626][T12125]  ? 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))
[  642.320632][T12125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.320636][T12125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.320644][T12125]  console_flush_one_record (kernel/printk/printk.c:3268)
[  642.320652][T12125]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  642.320654][T12125]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  642.320664][T12125]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  642.320671][T12125]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  642.320674][T12125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.320677][T12125]  ? 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)
[  642.320684][T12125]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  642.320687][T12125]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  642.320692][T12125]  vprintk_emit (kernel/printk/printk.c:2479)
[  642.320697][T12125]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  642.320702][T12125]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  642.320711][T12125]  _printk (kernel/printk/printk.c:2504)
[  642.320716][T12125]  ? snapshot_read.cold (user.c:?)
[  642.320719][T12125]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  642.320723][T12125]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  642.320727][T12125]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  642.320731][T12125]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  642.320736][T12125]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  642.320740][T12125]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  642.320744][T12125]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  642.320748][T12125]  ? netdev_notice (net/core/dev.c:13194)
[  642.320752][T12125]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  642.320757][T12125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  642.320761][T12125]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  642.320767][T12125]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  642.320771][T12125]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  642.320775][T12125]  ? register_netdev (net/core/dev.c:11618)
[  642.320777][T12125]  ? 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))
[  642.320785][T12125]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  642.320790][T12125]  ? __kernel_text_address (kernel/extable.c:79)
[  642.320793][T12125]  ? write_profile (profile.c:?)
[  642.320799][T12125]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  642.320808][T12125]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  642.320814][T12125]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  642.320818][T12125]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  642.320820][T12125]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  642.320823][T12125]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  642.320828][T12125]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  642.320832][T12125]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  642.320835][T12125]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  642.320839][T12125]  ? kasan_save_stack (mm/kasan/common.c:58)
[  642.320842][T12125]  ? kasan_save_stack (mm/kasan/common.c:57)
[  642.320845][T12125]  ? kasan_save_track (mm/kasan/common.c:78)
[  642.320847][T12125]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  642.320851][T12125]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  642.320854][T12125]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  642.320859][T12125]  ? ___sys_sendmsg (net/socket.c:2758)
[  642.320865][T12125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  642.320868][T12125]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  642.320873][T12125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.320876][T12125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.320879][T12125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.320880][T12125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.320883][T12125]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  642.320887][T12125]  ? __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)
[  642.320889][T12125]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  642.320893][T12125]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  642.320900][T12125]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  642.320902][T12125]  ? nla_get_range_signed (lib/nlattr.c:270)
[  642.320910][T12125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.320914][T12125]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  642.320923][T12125]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  642.320933][T12125]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  642.320936][T12125]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  642.320944][T12125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  642.320947][T12125]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  642.320950][T12125]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  642.320953][T12125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  642.320960][T12125]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  642.320964][T12125]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  642.320970][T12125]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  642.320972][T12125]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  642.320980][T12125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  642.320983][T12125]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  642.320989][T12125]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  642.320994][T12125]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  642.320999][T12125]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  642.321010][T12125]  ? 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))
[  642.321013][T12125]  ? 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))
[  642.321021][T12125]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  642.321028][T12125]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  642.321032][T12125]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  642.321040][T12125]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  642.321047][T12125]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  642.321054][T12125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  642.321056][T12125]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  642.321070][T12125]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  642.321075][T12125]  ____sys_sendmsg (net/socket.c:2713)
[  642.321080][T12125]  ? copy_msghdr_from_user (net/socket.c:2650)
[  642.321084][T12125]  ? sock_write_iter (net/socket.c:1269)
[  642.321086][T12125]  ? move_addr_to_kernel (net/socket.c:258)
[  642.321100][T12125]  ___sys_sendmsg (net/socket.c:2767)
[  642.321105][T12125]  ? copy_msghdr_from_user (net/socket.c:2619)
[  642.321135][T12125]  __sys_sendmsg (net/socket.c:2799)
[  642.321139][T12125]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  642.321151][T12125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.321156][T12125]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  642.321161][T12125]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  642.321166][T12125]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  642.321169][T12125] RIP: 0033:0x7f77c0ff954e
[  642.321174][T12125] 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
[  642.321177][T12125] RSP: 002b:00007ffd7a8207c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  642.321181][T12125] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f77c0ff954e
[  642.321183][T12125] RDX: 0000000000000000 RSI: 00007ffd7a820870 RDI: 0000000000000005
[  642.321185][T12125] RBP: 00007ffd7a8207d0 R08: 0000000000000000 R09: 0000000000000000
[  642.321187][T12125] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe9c
[  642.321188][T12125] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7a820f40
| [  653.410138][T12268] softirqs last disabled at (23882): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  653.410141][T12268] Preemption disabled at:
| [  653.410142][T12268] vprintk_emit (kernel/printk/printk.c:2471)
| [  653.410150][T12268] Tainted: [W]=WARN
[  653.410151][T12268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  653.410153][T12268] Call Trace:
[  653.410155][T12268]  <TASK>
[  653.410156][T12268]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  653.410163][T12268]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  653.410164][T12268]  __might_resched.cold (kernel/sched/core.c:9234)
[  653.410169][T12268]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  653.410173][T12268]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  653.410178][T12268]  __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))
[  653.410180][T12268]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  653.410189][T12268]  ? 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)
[  653.410193][T12268]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  653.410199][T12268]  put_chars (drivers/char/virtio_console.c:1176)
[  653.410203][T12268]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  653.410214][T12268]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  653.410226][T12268]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  653.410231][T12268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  653.410238][T12268]  console_emit_next_record (kernel/printk/printk.c:3183)
[  653.410244][T12268]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  653.410246][T12268]  ? 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))
[  653.410250][T12268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.410253][T12268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  653.410257][T12268]  console_flush_one_record (kernel/printk/printk.c:3268)
[  653.410261][T12268]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  653.410263][T12268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  653.410269][T12268]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  653.410272][T12268]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  653.410274][T12268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.410276][T12268]  ? 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)
[  653.410280][T12268]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  653.410282][T12268]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  653.410285][T12268]  vprintk_emit (kernel/printk/printk.c:2479)
[  653.410288][T12268]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  653.410291][T12268]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  653.410296][T12268]  _printk (kernel/printk/printk.c:2504)
[  653.410300][T12268]  ? snapshot_read.cold (user.c:?)
[  653.410302][T12268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  653.410305][T12268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  653.410308][T12268]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  653.410310][T12268]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  653.410314][T12268]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  653.410317][T12268]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  653.410319][T12268]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  653.410322][T12268]  ? netdev_notice (net/core/dev.c:13194)
[  653.410325][T12268]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  653.410328][T12268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  653.410331][T12268]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  653.410335][T12268]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  653.410337][T12268]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  653.410340][T12268]  ? register_netdev (net/core/dev.c:11618)
[  653.410341][T12268]  ? 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))
[  653.410347][T12268]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  653.410349][T12268]  ? __kernel_text_address (kernel/extable.c:79)
[  653.410352][T12268]  ? write_profile (profile.c:?)
[  653.410356][T12268]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  653.410362][T12268]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  653.410366][T12268]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  653.410368][T12268]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  653.410369][T12268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  653.410372][T12268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  653.410375][T12268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  653.410377][T12268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  653.410379][T12268]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  653.410382][T12268]  ? kasan_save_stack (mm/kasan/common.c:58)
[  653.410384][T12268]  ? kasan_save_stack (mm/kasan/common.c:57)
[  653.410385][T12268]  ? kasan_save_track (mm/kasan/common.c:78)
[  653.410387][T12268]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  653.410389][T12268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  653.410391][T12268]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  653.410394][T12268]  ? ___sys_sendmsg (net/socket.c:2758)
[  653.410398][T12268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  653.410401][T12268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  653.410403][T12268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.410405][T12268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  653.410407][T12268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.410408][T12268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.410410][T12268]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  653.410412][T12268]  ? __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)
[  653.410414][T12268]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  653.410416][T12268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  653.410419][T12268]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  653.410421][T12268]  ? nla_get_range_signed (lib/nlattr.c:270)
[  653.410426][T12268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.410428][T12268]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  653.410434][T12268]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  653.410439][T12268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  653.410441][T12268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  653.410446][T12268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  653.410448][T12268]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  653.410450][T12268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  653.410452][T12268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  653.410456][T12268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  653.410458][T12268]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  653.410462][T12268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  653.410463][T12268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  653.410469][T12268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  653.410471][T12268]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  653.410475][T12268]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  653.410478][T12268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  653.410481][T12268]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  653.410488][T12268]  ? 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))
[  653.410490][T12268]  ? 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))
[  653.410495][T12268]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  653.410499][T12268]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  653.410502][T12268]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  653.410506][T12268]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  653.410511][T12268]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  653.410515][T12268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  653.410516][T12268]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  653.410522][T12268]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  653.410525][T12268]  ____sys_sendmsg (net/socket.c:2713)
[  653.410527][T12268]  ? copy_msghdr_from_user (net/socket.c:2650)
[  653.410530][T12268]  ? sock_write_iter (net/socket.c:1269)
[  653.410531][T12268]  ? move_addr_to_kernel (net/socket.c:258)
[  653.410539][T12268]  ___sys_sendmsg (net/socket.c:2767)
[  653.410542][T12268]  ? copy_msghdr_from_user (net/socket.c:2619)
[  653.410558][T12268]  __sys_sendmsg (net/socket.c:2799)
[  653.410561][T12268]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  653.410568][T12268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.410571][T12268]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  653.410574][T12268]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  653.410577][T12268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  653.410580][T12268] RIP: 0033:0x7f8e7a25954e
[  653.410584][T12268] 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
[  653.410586][T12268] RSP: 002b:00007ffd77d92ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  653.410589][T12268] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8e7a25954e
[  653.410590][T12268] RDX: 0000000000000000 RSI: 00007ffd77d92b60 RDI: 0000000000000005
[  653.410591][T12268] RBP: 00007ffd77d92ac0 R08: 0000000000000000 R09: 0000000000000000
[  653.410592][T12268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fea7
[  653.410593][T12268] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd77d93230
| [  664.382473][T12411] softirqs last disabled at (25784): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  664.382477][T12411] Preemption disabled at:
| [  664.382478][T12411] vprintk_emit (kernel/printk/printk.c:2471)
| [  664.382489][T12411] Tainted: [W]=WARN
[  664.382490][T12411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  664.382493][T12411] Call Trace:
[  664.382495][T12411]  <TASK>
[  664.382497][T12411]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  664.382505][T12411]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  664.382508][T12411]  __might_resched.cold (kernel/sched/core.c:9234)
[  664.382514][T12411]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  664.382520][T12411]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  664.382527][T12411]  __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))
[  664.382531][T12411]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  664.382541][T12411]  ? 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)
[  664.382545][T12411]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  664.382552][T12411]  put_chars (drivers/char/virtio_console.c:1176)
[  664.382556][T12411]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  664.382568][T12411]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  664.382580][T12411]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  664.382585][T12411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.382593][T12411]  console_emit_next_record (kernel/printk/printk.c:3183)
[  664.382600][T12411]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  664.382603][T12411]  ? 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))
[  664.382609][T12411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.382613][T12411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.382621][T12411]  console_flush_one_record (kernel/printk/printk.c:3268)
[  664.382629][T12411]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  664.382632][T12411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  664.382642][T12411]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  664.382647][T12411]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  664.382650][T12411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.382653][T12411]  ? 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)
[  664.382660][T12411]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  664.382662][T12411]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  664.382671][T12411]  vprintk_emit (kernel/printk/printk.c:2479)
[  664.382676][T12411]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  664.382681][T12411]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  664.382689][T12411]  _printk (kernel/printk/printk.c:2504)
[  664.382695][T12411]  ? snapshot_read.cold (user.c:?)
[  664.382698][T12411]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  664.382703][T12411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  664.382707][T12411]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  664.382711][T12411]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  664.382716][T12411]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  664.382721][T12411]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  664.382725][T12411]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  664.382730][T12411]  ? netdev_notice (net/core/dev.c:13194)
[  664.382735][T12411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  664.382741][T12411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  664.382745][T12411]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  664.382751][T12411]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  664.382755][T12411]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  664.382759][T12411]  ? register_netdev (net/core/dev.c:11618)
[  664.382761][T12411]  ? 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))
[  664.382769][T12411]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  664.382773][T12411]  ? __kernel_text_address (kernel/extable.c:79)
[  664.382777][T12411]  ? write_profile (profile.c:?)
[  664.382783][T12411]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  664.382792][T12411]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  664.382799][T12411]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  664.382803][T12411]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  664.382805][T12411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  664.382808][T12411]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  664.382814][T12411]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  664.382817][T12411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  664.382821][T12411]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  664.382825][T12411]  ? kasan_save_stack (mm/kasan/common.c:58)
[  664.382828][T12411]  ? kasan_save_stack (mm/kasan/common.c:57)
[  664.382831][T12411]  ? kasan_save_track (mm/kasan/common.c:78)
[  664.382833][T12411]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  664.382838][T12411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  664.382841][T12411]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  664.382846][T12411]  ? ___sys_sendmsg (net/socket.c:2758)
[  664.382852][T12411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  664.382855][T12411]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  664.382860][T12411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.382863][T12411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.382865][T12411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.382867][T12411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.382870][T12411]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  664.382874][T12411]  ? __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)
[  664.382876][T12411]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  664.382880][T12411]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  664.382886][T12411]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  664.382889][T12411]  ? nla_get_range_signed (lib/nlattr.c:270)
[  664.382898][T12411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.382902][T12411]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  664.382913][T12411]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  664.382923][T12411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  664.382927][T12411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  664.382935][T12411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  664.382939][T12411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  664.382942][T12411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  664.382945][T12411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  664.382952][T12411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  664.382956][T12411]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  664.382961][T12411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  664.382963][T12411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  664.382971][T12411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  664.382974][T12411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  664.382981][T12411]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  664.382985][T12411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  664.382991][T12411]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  664.383003][T12411]  ? 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))
[  664.383006][T12411]  ? 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))
[  664.383015][T12411]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  664.383022][T12411]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  664.383027][T12411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  664.383036][T12411]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  664.383043][T12411]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  664.383049][T12411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  664.383052][T12411]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  664.383060][T12411]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  664.383065][T12411]  ____sys_sendmsg (net/socket.c:2713)
[  664.383069][T12411]  ? copy_msghdr_from_user (net/socket.c:2650)
[  664.383072][T12411]  ? sock_write_iter (net/socket.c:1269)
[  664.383076][T12411]  ? move_addr_to_kernel (net/socket.c:258)
[  664.383091][T12411]  ___sys_sendmsg (net/socket.c:2767)
[  664.383096][T12411]  ? copy_msghdr_from_user (net/socket.c:2619)
[  664.383129][T12411]  __sys_sendmsg (net/socket.c:2799)
[  664.383134][T12411]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  664.383145][T12411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.383151][T12411]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  664.383155][T12411]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  664.383159][T12411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  664.383163][T12411] RIP: 0033:0x7fb364b8b54e
[  664.383168][T12411] 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
[  664.383171][T12411] RSP: 002b:00007fffff1f9670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  664.383175][T12411] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb364b8b54e
[  664.383177][T12411] RDX: 0000000000000000 RSI: 00007fffff1f9720 RDI: 0000000000000005
[  664.383179][T12411] RBP: 00007fffff1f9680 R08: 0000000000000000 R09: 0000000000000000
[  664.383180][T12411] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90feb2
[  664.383182][T12411] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffff1f9df0
| [  675.572205][T12554] softirqs last disabled at (19246): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  675.572209][T12554] Preemption disabled at:
| [  675.572210][T12554] vprintk_emit (kernel/printk/printk.c:2471)
| [  675.572222][T12554] Tainted: [W]=WARN
[  675.572223][T12554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  675.572225][T12554] Call Trace:
[  675.572227][T12554]  <TASK>
[  675.572229][T12554]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  675.572237][T12554]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  675.572239][T12554]  __might_resched.cold (kernel/sched/core.c:9234)
[  675.572246][T12554]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  675.572252][T12554]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  675.572258][T12554]  __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))
[  675.572261][T12554]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  675.572278][T12554]  ? 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)
[  675.572282][T12554]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  675.572289][T12554]  put_chars (drivers/char/virtio_console.c:1176)
[  675.572293][T12554]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  675.572305][T12554]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  675.572317][T12554]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  675.572322][T12554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.572329][T12554]  console_emit_next_record (kernel/printk/printk.c:3183)
[  675.572336][T12554]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  675.572338][T12554]  ? 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))
[  675.572344][T12554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.572348][T12554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.572355][T12554]  console_flush_one_record (kernel/printk/printk.c:3268)
[  675.572362][T12554]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  675.572365][T12554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  675.572375][T12554]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  675.572380][T12554]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  675.572383][T12554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.572386][T12554]  ? 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)
[  675.572393][T12554]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  675.572395][T12554]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  675.572401][T12554]  vprintk_emit (kernel/printk/printk.c:2479)
[  675.572406][T12554]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  675.572411][T12554]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  675.572420][T12554]  _printk (kernel/printk/printk.c:2504)
[  675.572426][T12554]  ? snapshot_read.cold (user.c:?)
[  675.572429][T12554]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  675.572434][T12554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  675.572438][T12554]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  675.572442][T12554]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  675.572448][T12554]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  675.572453][T12554]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  675.572457][T12554]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  675.572462][T12554]  ? netdev_notice (net/core/dev.c:13194)
[  675.572469][T12554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  675.572474][T12554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  675.572478][T12554]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  675.572484][T12554]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  675.572488][T12554]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  675.572491][T12554]  ? register_netdev (net/core/dev.c:11618)
[  675.572494][T12554]  ? 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))
[  675.572502][T12554]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  675.572506][T12554]  ? __kernel_text_address (kernel/extable.c:79)
[  675.572510][T12554]  ? write_profile (profile.c:?)
[  675.572516][T12554]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  675.572527][T12554]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  675.572533][T12554]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  675.572537][T12554]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  675.572540][T12554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  675.572543][T12554]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  675.572548][T12554]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  675.572552][T12554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  675.572555][T12554]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  675.572559][T12554]  ? kasan_save_stack (mm/kasan/common.c:58)
[  675.572562][T12554]  ? kasan_save_stack (mm/kasan/common.c:57)
[  675.572564][T12554]  ? kasan_save_track (mm/kasan/common.c:78)
[  675.572566][T12554]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  675.572570][T12554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  675.572573][T12554]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  675.572578][T12554]  ? ___sys_sendmsg (net/socket.c:2758)
[  675.572584][T12554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  675.572588][T12554]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  675.572592][T12554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.572595][T12554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.572598][T12554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.572600][T12554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.572603][T12554]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  675.572607][T12554]  ? __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)
[  675.572610][T12554]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  675.572614][T12554]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  675.572620][T12554]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  675.572623][T12554]  ? nla_get_range_signed (lib/nlattr.c:270)
[  675.572631][T12554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.572635][T12554]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  675.572644][T12554]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  675.572654][T12554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  675.572657][T12554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  675.572665][T12554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  675.572671][T12554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  675.572674][T12554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  675.572678][T12554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  675.572685][T12554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  675.572689][T12554]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  675.572695][T12554]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  675.572698][T12554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  675.572706][T12554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  675.572709][T12554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  675.572715][T12554]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  675.572720][T12554]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  675.572725][T12554]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  675.572736][T12554]  ? 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))
[  675.572739][T12554]  ? 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))
[  675.572747][T12554]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  675.572754][T12554]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  675.572758][T12554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  675.572767][T12554]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  675.572775][T12554]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  675.572782][T12554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  675.572784][T12554]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  675.572793][T12554]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  675.572797][T12554]  ____sys_sendmsg (net/socket.c:2713)
[  675.572801][T12554]  ? copy_msghdr_from_user (net/socket.c:2650)
[  675.572805][T12554]  ? sock_write_iter (net/socket.c:1269)
[  675.572807][T12554]  ? move_addr_to_kernel (net/socket.c:258)
[  675.572820][T12554]  ___sys_sendmsg (net/socket.c:2767)
[  675.572825][T12554]  ? copy_msghdr_from_user (net/socket.c:2619)
[  675.572857][T12554]  __sys_sendmsg (net/socket.c:2799)
[  675.572862][T12554]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  675.572873][T12554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.572878][T12554]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  675.572882][T12554]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  675.572887][T12554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  675.572891][T12554] RIP: 0033:0x7f02ab2ff54e
[  675.572896][T12554] 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
[  675.572899][T12554] RSP: 002b:00007fffe2e82410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  675.572902][T12554] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f02ab2ff54e
[  675.572905][T12554] RDX: 0000000000000000 RSI: 00007fffe2e824c0 RDI: 0000000000000005
[  675.572906][T12554] RBP: 00007fffe2e82420 R08: 0000000000000000 R09: 0000000000000000
[  675.572908][T12554] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90febd
[  675.572909][T12554] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe2e82b90
| [  686.686417][T12697] softirqs last disabled at (24370): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  686.686420][T12697] Preemption disabled at:
| [  686.686421][T12697] vprintk_emit (kernel/printk/printk.c:2471)
| [  686.686433][T12697] Tainted: [W]=WARN
[  686.686435][T12697] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  686.686437][T12697] Call Trace:
[  686.686439][T12697]  <TASK>
[  686.686442][T12697]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  686.686450][T12697]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  686.686452][T12697]  __might_resched.cold (kernel/sched/core.c:9234)
[  686.686458][T12697]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  686.686466][T12697]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  686.686473][T12697]  __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))
[  686.686477][T12697]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  686.686486][T12697]  ? 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)
[  686.686490][T12697]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  686.686496][T12697]  put_chars (drivers/char/virtio_console.c:1176)
[  686.686501][T12697]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  686.686513][T12697]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  686.686525][T12697]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  686.686531][T12697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.686538][T12697]  console_emit_next_record (kernel/printk/printk.c:3183)
[  686.686545][T12697]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  686.686547][T12697]  ? 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))
[  686.686553][T12697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.686557][T12697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.686564][T12697]  console_flush_one_record (kernel/printk/printk.c:3268)
[  686.686571][T12697]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  686.686574][T12697]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  686.686585][T12697]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  686.686589][T12697]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  686.686592][T12697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.686595][T12697]  ? 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)
[  686.686602][T12697]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  686.686604][T12697]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  686.686609][T12697]  vprintk_emit (kernel/printk/printk.c:2479)
[  686.686614][T12697]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  686.686619][T12697]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  686.686627][T12697]  _printk (kernel/printk/printk.c:2504)
[  686.686632][T12697]  ? snapshot_read.cold (user.c:?)
[  686.686635][T12697]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  686.686640][T12697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  686.686644][T12697]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  686.686648][T12697]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  686.686653][T12697]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  686.686658][T12697]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  686.686662][T12697]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  686.686667][T12697]  ? netdev_notice (net/core/dev.c:13194)
[  686.686674][T12697]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  686.686679][T12697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  686.686683][T12697]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  686.686689][T12697]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  686.686693][T12697]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  686.686697][T12697]  ? register_netdev (net/core/dev.c:11618)
[  686.686699][T12697]  ? 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))
[  686.686707][T12697]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  686.686712][T12697]  ? __kernel_text_address (kernel/extable.c:79)
[  686.686715][T12697]  ? write_profile (profile.c:?)
[  686.686722][T12697]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  686.686731][T12697]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  686.686738][T12697]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  686.686741][T12697]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  686.686743][T12697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  686.686746][T12697]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  686.686751][T12697]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  686.686754][T12697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  686.686757][T12697]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  686.686761][T12697]  ? kasan_save_stack (mm/kasan/common.c:58)
[  686.686764][T12697]  ? kasan_save_stack (mm/kasan/common.c:57)
[  686.686766][T12697]  ? kasan_save_track (mm/kasan/common.c:78)
[  686.686768][T12697]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  686.686772][T12697]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  686.686775][T12697]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  686.686780][T12697]  ? ___sys_sendmsg (net/socket.c:2758)
[  686.686787][T12697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  686.686790][T12697]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  686.686795][T12697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.686799][T12697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.686801][T12697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.686803][T12697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.686806][T12697]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  686.686810][T12697]  ? __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)
[  686.686812][T12697]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  686.686816][T12697]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  686.686822][T12697]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  686.686824][T12697]  ? nla_get_range_signed (lib/nlattr.c:270)
[  686.686832][T12697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.686836][T12697]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  686.686846][T12697]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  686.686856][T12697]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  686.686859][T12697]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  686.686868][T12697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  686.686872][T12697]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  686.686875][T12697]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  686.686878][T12697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  686.686885][T12697]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  686.686888][T12697]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  686.686894][T12697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  686.686896][T12697]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  686.686904][T12697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  686.686907][T12697]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  686.686913][T12697]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  686.686918][T12697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  686.686923][T12697]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  686.686936][T12697]  ? 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))
[  686.686939][T12697]  ? 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))
[  686.686947][T12697]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  686.686954][T12697]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  686.686958][T12697]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  686.686966][T12697]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  686.686973][T12697]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  686.686980][T12697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  686.686982][T12697]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  686.686990][T12697]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  686.686995][T12697]  ____sys_sendmsg (net/socket.c:2713)
[  686.686999][T12697]  ? copy_msghdr_from_user (net/socket.c:2650)
[  686.687003][T12697]  ? sock_write_iter (net/socket.c:1269)
[  686.687006][T12697]  ? move_addr_to_kernel (net/socket.c:258)
[  686.687020][T12697]  ___sys_sendmsg (net/socket.c:2767)
[  686.687025][T12697]  ? copy_msghdr_from_user (net/socket.c:2619)
[  686.687056][T12697]  __sys_sendmsg (net/socket.c:2799)
[  686.687061][T12697]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  686.687072][T12697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.687079][T12697]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  686.687083][T12697]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  686.687088][T12697]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  686.687092][T12697] RIP: 0033:0x7f3ec407654e
[  686.687097][T12697] 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
[  686.687100][T12697] RSP: 002b:00007ffdfa6d89b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  686.687103][T12697] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3ec407654e
[  686.687106][T12697] RDX: 0000000000000000 RSI: 00007ffdfa6d8a60 RDI: 0000000000000005
[  686.687107][T12697] RBP: 00007ffdfa6d89c0 R08: 0000000000000000 R09: 0000000000000000
[  686.687108][T12697] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fec8
[  686.687110][T12697] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfa6d9130
| [  697.654659][T12841] softirqs last disabled at (23858): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  697.654663][T12841] Preemption disabled at:
| [  697.654664][T12841] vprintk_emit (kernel/printk/printk.c:2471)
| [  697.654678][T12841] Tainted: [W]=WARN
[  697.654679][T12841] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  697.654681][T12841] Call Trace:
[  697.654683][T12841]  <TASK>
[  697.654686][T12841]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  697.654693][T12841]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  697.654696][T12841]  __might_resched.cold (kernel/sched/core.c:9234)
[  697.654702][T12841]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  697.654707][T12841]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  697.654714][T12841]  __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))
[  697.654717][T12841]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  697.654727][T12841]  ? 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)
[  697.654731][T12841]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  697.654738][T12841]  put_chars (drivers/char/virtio_console.c:1176)
[  697.654742][T12841]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  697.654754][T12841]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  697.654766][T12841]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  697.654771][T12841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  697.654778][T12841]  console_emit_next_record (kernel/printk/printk.c:3183)
[  697.654785][T12841]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  697.654787][T12841]  ? 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))
[  697.654793][T12841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.654797][T12841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  697.654804][T12841]  console_flush_one_record (kernel/printk/printk.c:3268)
[  697.654811][T12841]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  697.654814][T12841]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  697.654824][T12841]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  697.654829][T12841]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  697.654832][T12841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.654835][T12841]  ? 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)
[  697.654841][T12841]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  697.654844][T12841]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  697.654849][T12841]  vprintk_emit (kernel/printk/printk.c:2479)
[  697.654854][T12841]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  697.654859][T12841]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  697.654867][T12841]  _printk (kernel/printk/printk.c:2504)
[  697.654872][T12841]  ? snapshot_read.cold (user.c:?)
[  697.654874][T12841]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  697.654879][T12841]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  697.654883][T12841]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  697.654887][T12841]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  697.654892][T12841]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  697.654897][T12841]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  697.654901][T12841]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  697.654906][T12841]  ? netdev_notice (net/core/dev.c:13194)
[  697.654910][T12841]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  697.654915][T12841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  697.654919][T12841]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  697.654925][T12841]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  697.654929][T12841]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  697.654932][T12841]  ? register_netdev (net/core/dev.c:11618)
[  697.654935][T12841]  ? 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))
[  697.654943][T12841]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  697.654947][T12841]  ? __kernel_text_address (kernel/extable.c:79)
[  697.654950][T12841]  ? write_profile (profile.c:?)
[  697.654957][T12841]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  697.654966][T12841]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  697.654972][T12841]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  697.654976][T12841]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  697.654979][T12841]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  697.654982][T12841]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  697.654987][T12841]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  697.654990][T12841]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  697.654993][T12841]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  697.654997][T12841]  ? kasan_save_stack (mm/kasan/common.c:58)
[  697.655000][T12841]  ? kasan_save_stack (mm/kasan/common.c:57)
[  697.655002][T12841]  ? kasan_save_track (mm/kasan/common.c:78)
[  697.655004][T12841]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  697.655008][T12841]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  697.655011][T12841]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  697.655015][T12841]  ? ___sys_sendmsg (net/socket.c:2758)
[  697.655022][T12841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  697.655025][T12841]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  697.655030][T12841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.655033][T12841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  697.655035][T12841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.655037][T12841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.655041][T12841]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  697.655045][T12841]  ? __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)
[  697.655047][T12841]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  697.655051][T12841]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  697.655057][T12841]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  697.655059][T12841]  ? nla_get_range_signed (lib/nlattr.c:270)
[  697.655067][T12841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.655071][T12841]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  697.655082][T12841]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  697.655092][T12841]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  697.655095][T12841]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  697.655103][T12841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  697.655106][T12841]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  697.655109][T12841]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  697.655113][T12841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  697.655119][T12841]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  697.655123][T12841]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  697.655129][T12841]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  697.655132][T12841]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  697.655140][T12841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  697.655143][T12841]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  697.655149][T12841]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  697.655154][T12841]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  697.655159][T12841]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  697.655170][T12841]  ? 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))
[  697.655173][T12841]  ? 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))
[  697.655181][T12841]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  697.655188][T12841]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  697.655193][T12841]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  697.655201][T12841]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  697.655208][T12841]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  697.655215][T12841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  697.655218][T12841]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  697.655226][T12841]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  697.655231][T12841]  ____sys_sendmsg (net/socket.c:2713)
[  697.655234][T12841]  ? copy_msghdr_from_user (net/socket.c:2650)
[  697.655238][T12841]  ? sock_write_iter (net/socket.c:1269)
[  697.655241][T12841]  ? move_addr_to_kernel (net/socket.c:258)
[  697.655254][T12841]  ___sys_sendmsg (net/socket.c:2767)
[  697.655259][T12841]  ? copy_msghdr_from_user (net/socket.c:2619)
[  697.655290][T12841]  __sys_sendmsg (net/socket.c:2799)
[  697.655294][T12841]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  697.655305][T12841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.655311][T12841]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  697.655315][T12841]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  697.655320][T12841]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  697.655323][T12841] RIP: 0033:0x7f6f7906454e
[  697.655328][T12841] 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
[  697.655331][T12841] RSP: 002b:00007fffb0022690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  697.655335][T12841] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6f7906454e
[  697.655337][T12841] RDX: 0000000000000000 RSI: 00007fffb0022740 RDI: 0000000000000005
[  697.655339][T12841] RBP: 00007fffb00226a0 R08: 0000000000000000 R09: 0000000000000000
[  697.655340][T12841] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fed3
[  697.655342][T12841] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb0022e10
| [  708.520878][T12985] softirqs last disabled at (24800): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  708.520881][T12985] Preemption disabled at:
| [  708.520882][T12985] vprintk_emit (kernel/printk/printk.c:2471)
| [  708.520890][T12985] Tainted: [W]=WARN
[  708.520891][T12985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  708.520893][T12985] Call Trace:
[  708.520895][T12985]  <TASK>
[  708.520897][T12985]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  708.520903][T12985]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  708.520905][T12985]  __might_resched.cold (kernel/sched/core.c:9234)
[  708.520910][T12985]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  708.520916][T12985]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  708.520922][T12985]  __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))
[  708.520925][T12985]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  708.520935][T12985]  ? 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)
[  708.520939][T12985]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  708.520946][T12985]  put_chars (drivers/char/virtio_console.c:1176)
[  708.520950][T12985]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  708.520964][T12985]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  708.520977][T12985]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  708.520982][T12985]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.520990][T12985]  console_emit_next_record (kernel/printk/printk.c:3183)
[  708.520996][T12985]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  708.520999][T12985]  ? 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))
[  708.521005][T12985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.521009][T12985]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.521015][T12985]  console_flush_one_record (kernel/printk/printk.c:3268)
[  708.521023][T12985]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  708.521026][T12985]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  708.521035][T12985]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  708.521040][T12985]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  708.521042][T12985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.521046][T12985]  ? 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)
[  708.521052][T12985]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  708.521055][T12985]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  708.521060][T12985]  vprintk_emit (kernel/printk/printk.c:2479)
[  708.521066][T12985]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  708.521071][T12985]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  708.521081][T12985]  _printk (kernel/printk/printk.c:2504)
[  708.521086][T12985]  ? snapshot_read.cold (user.c:?)
[  708.521089][T12985]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  708.521094][T12985]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  708.521098][T12985]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  708.521102][T12985]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  708.521107][T12985]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  708.521112][T12985]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  708.521115][T12985]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  708.521120][T12985]  ? netdev_notice (net/core/dev.c:13194)
[  708.521124][T12985]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  708.521129][T12985]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  708.521133][T12985]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  708.521139][T12985]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  708.521143][T12985]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  708.521146][T12985]  ? register_netdev (net/core/dev.c:11618)
[  708.521148][T12985]  ? 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))
[  708.521155][T12985]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  708.521158][T12985]  ? __kernel_text_address (kernel/extable.c:79)
[  708.521160][T12985]  ? write_profile (profile.c:?)
[  708.521165][T12985]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  708.521171][T12985]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  708.521175][T12985]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  708.521177][T12985]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  708.521179][T12985]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  708.521181][T12985]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  708.521186][T12985]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  708.521189][T12985]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  708.521192][T12985]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  708.521196][T12985]  ? kasan_save_stack (mm/kasan/common.c:58)
[  708.521199][T12985]  ? kasan_save_stack (mm/kasan/common.c:57)
[  708.521201][T12985]  ? kasan_save_track (mm/kasan/common.c:78)
[  708.521203][T12985]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  708.521207][T12985]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  708.521210][T12985]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  708.521214][T12985]  ? ___sys_sendmsg (net/socket.c:2758)
[  708.521221][T12985]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  708.521224][T12985]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  708.521229][T12985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.521232][T12985]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.521234][T12985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.521236][T12985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.521239][T12985]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  708.521243][T12985]  ? __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)
[  708.521245][T12985]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  708.521248][T12985]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  708.521254][T12985]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  708.521256][T12985]  ? nla_get_range_signed (lib/nlattr.c:270)
[  708.521263][T12985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.521267][T12985]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  708.521274][T12985]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  708.521280][T12985]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  708.521282][T12985]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  708.521287][T12985]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  708.521289][T12985]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  708.521291][T12985]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  708.521293][T12985]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  708.521297][T12985]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  708.521299][T12985]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  708.521302][T12985]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  708.521304][T12985]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  708.521309][T12985]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  708.521311][T12985]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  708.521314][T12985]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  708.521318][T12985]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  708.521321][T12985]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  708.521328][T12985]  ? 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))
[  708.521330][T12985]  ? 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))
[  708.521335][T12985]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  708.521339][T12985]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  708.521341][T12985]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  708.521346][T12985]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  708.521350][T12985]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  708.521354][T12985]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  708.521356][T12985]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  708.521362][T12985]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  708.521365][T12985]  ____sys_sendmsg (net/socket.c:2713)
[  708.521367][T12985]  ? copy_msghdr_from_user (net/socket.c:2650)
[  708.521369][T12985]  ? sock_write_iter (net/socket.c:1269)
[  708.521371][T12985]  ? move_addr_to_kernel (net/socket.c:258)
[  708.521379][T12985]  ___sys_sendmsg (net/socket.c:2767)
[  708.521382][T12985]  ? copy_msghdr_from_user (net/socket.c:2619)
[  708.521398][T12985]  __sys_sendmsg (net/socket.c:2799)
[  708.521401][T12985]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  708.521408][T12985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.521411][T12985]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  708.521414][T12985]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  708.521417][T12985]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  708.521420][T12985] RIP: 0033:0x7fa01fd4154e
[  708.521424][T12985] 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
[  708.521426][T12985] RSP: 002b:00007ffe507f3ef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  708.521429][T12985] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa01fd4154e
[  708.521431][T12985] RDX: 0000000000000000 RSI: 00007ffe507f3fa0 RDI: 0000000000000005
[  708.521432][T12985] RBP: 00007ffe507f3f00 R08: 0000000000000000 R09: 0000000000000000
[  708.521433][T12985] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fede
[  708.521433][T12985] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe507f4670
| [  721.256185][T13156] softirqs last disabled at (24328): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  721.256189][T13156] Preemption disabled at:
| [  721.256190][T13156] vprintk_emit (kernel/printk/printk.c:2471)
| [  721.256201][T13156] Tainted: [W]=WARN
[  721.256202][T13156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  721.256205][T13156] Call Trace:
[  721.256207][T13156]  <TASK>
[  721.256210][T13156]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  721.256217][T13156]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  721.256220][T13156]  __might_resched.cold (kernel/sched/core.c:9234)
[  721.256226][T13156]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  721.256232][T13156]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  721.256239][T13156]  __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))
[  721.256242][T13156]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  721.256253][T13156]  ? 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)
[  721.256256][T13156]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  721.256263][T13156]  put_chars (drivers/char/virtio_console.c:1176)
[  721.256267][T13156]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  721.256279][T13156]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  721.256290][T13156]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  721.256296][T13156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.256303][T13156]  console_emit_next_record (kernel/printk/printk.c:3183)
[  721.256310][T13156]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  721.256312][T13156]  ? 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))
[  721.256318][T13156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.256323][T13156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.256330][T13156]  console_flush_one_record (kernel/printk/printk.c:3268)
[  721.256337][T13156]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  721.256340][T13156]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  721.256349][T13156]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  721.256354][T13156]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  721.256356][T13156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.256359][T13156]  ? 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)
[  721.256366][T13156]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  721.256368][T13156]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  721.256373][T13156]  vprintk_emit (kernel/printk/printk.c:2479)
[  721.256378][T13156]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  721.256383][T13156]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  721.256392][T13156]  _printk (kernel/printk/printk.c:2504)
[  721.256398][T13156]  ? snapshot_read.cold (user.c:?)
[  721.256400][T13156]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  721.256405][T13156]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  721.256408][T13156]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  721.256412][T13156]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  721.256417][T13156]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  721.256422][T13156]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  721.256425][T13156]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  721.256430][T13156]  ? netdev_notice (net/core/dev.c:13194)
[  721.256434][T13156]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  721.256439][T13156]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  721.256443][T13156]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  721.256449][T13156]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  721.256453][T13156]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  721.256457][T13156]  ? register_netdev (net/core/dev.c:11618)
[  721.256460][T13156]  ? 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))
[  721.256471][T13156]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  721.256475][T13156]  ? __kernel_text_address (kernel/extable.c:79)
[  721.256478][T13156]  ? write_profile (profile.c:?)
[  721.256484][T13156]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  721.256493][T13156]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  721.256499][T13156]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  721.256503][T13156]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  721.256505][T13156]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  721.256508][T13156]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  721.256513][T13156]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  721.256517][T13156]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  721.256520][T13156]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  721.256524][T13156]  ? kasan_save_stack (mm/kasan/common.c:58)
[  721.256527][T13156]  ? kasan_save_stack (mm/kasan/common.c:57)
[  721.256529][T13156]  ? kasan_save_track (mm/kasan/common.c:78)
[  721.256532][T13156]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  721.256536][T13156]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  721.256540][T13156]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  721.256544][T13156]  ? ___sys_sendmsg (net/socket.c:2758)
[  721.256555][T13156]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  721.256558][T13156]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  721.256563][T13156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.256566][T13156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.256568][T13156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.256570][T13156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.256573][T13156]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  721.256578][T13156]  ? __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)
[  721.256580][T13156]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  721.256584][T13156]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  721.256590][T13156]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  721.256593][T13156]  ? nla_get_range_signed (lib/nlattr.c:270)
[  721.256600][T13156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.256604][T13156]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  721.256614][T13156]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  721.256624][T13156]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.256627][T13156]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  721.256635][T13156]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  721.256638][T13156]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  721.256642][T13156]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.256645][T13156]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  721.256652][T13156]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.256656][T13156]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  721.256661][T13156]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  721.256664][T13156]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  721.256675][T13156]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  721.256678][T13156]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  721.256684][T13156]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  721.256688][T13156]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  721.256693][T13156]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  721.256705][T13156]  ? 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))
[  721.256708][T13156]  ? 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))
[  721.256717][T13156]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  721.256724][T13156]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  721.256728][T13156]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  721.256735][T13156]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  721.256742][T13156]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  721.256748][T13156]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  721.256751][T13156]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  721.256760][T13156]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  721.256764][T13156]  ____sys_sendmsg (net/socket.c:2713)
[  721.256768][T13156]  ? copy_msghdr_from_user (net/socket.c:2650)
[  721.256771][T13156]  ? sock_write_iter (net/socket.c:1269)
[  721.256774][T13156]  ? move_addr_to_kernel (net/socket.c:258)
[  721.256787][T13156]  ___sys_sendmsg (net/socket.c:2767)
[  721.256792][T13156]  ? copy_msghdr_from_user (net/socket.c:2619)
[  721.256821][T13156]  __sys_sendmsg (net/socket.c:2799)
[  721.256825][T13156]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  721.256834][T13156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.256838][T13156]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  721.256841][T13156]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  721.256844][T13156]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  721.256847][T13156] RIP: 0033:0x7feac021154e
[  721.256850][T13156] 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
[  721.256853][T13156] RSP: 002b:00007ffc03f31b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  721.256857][T13156] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007feac021154e
[  721.256860][T13156] RDX: 0000000000000000 RSI: 00007ffc03f31bc0 RDI: 0000000000000005
[  721.256862][T13156] RBP: 00007ffc03f31b20 R08: 0000000000000000 R09: 0000000000000000
[  721.256863][T13156] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90feeb
[  721.256865][T13156] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc03f32290
| [  734.055273][T13327] softirqs last disabled at (24984): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  734.055277][T13327] Preemption disabled at:
| [  734.055278][T13327] vprintk_emit (kernel/printk/printk.c:2471)
| [  734.055289][T13327] Tainted: [W]=WARN
[  734.055291][T13327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  734.055293][T13327] Call Trace:
[  734.055295][T13327]  <TASK>
[  734.055297][T13327]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  734.055305][T13327]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  734.055308][T13327]  __might_resched.cold (kernel/sched/core.c:9234)
[  734.055314][T13327]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  734.055320][T13327]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  734.055327][T13327]  __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))
[  734.055330][T13327]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  734.055340][T13327]  ? 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)
[  734.055344][T13327]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  734.055350][T13327]  put_chars (drivers/char/virtio_console.c:1176)
[  734.055354][T13327]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  734.055367][T13327]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  734.055379][T13327]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  734.055384][T13327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.055392][T13327]  console_emit_next_record (kernel/printk/printk.c:3183)
[  734.055398][T13327]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  734.055401][T13327]  ? 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))
[  734.055406][T13327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.055410][T13327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.055417][T13327]  console_flush_one_record (kernel/printk/printk.c:3268)
[  734.055425][T13327]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  734.055428][T13327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  734.055438][T13327]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  734.055443][T13327]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  734.055445][T13327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.055448][T13327]  ? 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)
[  734.055455][T13327]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  734.055457][T13327]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  734.055463][T13327]  vprintk_emit (kernel/printk/printk.c:2479)
[  734.055470][T13327]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  734.055475][T13327]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  734.055483][T13327]  _printk (kernel/printk/printk.c:2504)
[  734.055488][T13327]  ? snapshot_read.cold (user.c:?)
[  734.055491][T13327]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  734.055496][T13327]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  734.055500][T13327]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  734.055504][T13327]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  734.055510][T13327]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  734.055515][T13327]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  734.055519][T13327]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  734.055523][T13327]  ? netdev_notice (net/core/dev.c:13194)
[  734.055528][T13327]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  734.055533][T13327]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  734.055537][T13327]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  734.055543][T13327]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  734.055547][T13327]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  734.055550][T13327]  ? register_netdev (net/core/dev.c:11618)
[  734.055553][T13327]  ? 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))
[  734.055561][T13327]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  734.055565][T13327]  ? __kernel_text_address (kernel/extable.c:79)
[  734.055568][T13327]  ? write_profile (profile.c:?)
[  734.055575][T13327]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  734.055585][T13327]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  734.055591][T13327]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  734.055595][T13327]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  734.055597][T13327]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  734.055600][T13327]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  734.055605][T13327]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  734.055608][T13327]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  734.055611][T13327]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  734.055615][T13327]  ? kasan_save_stack (mm/kasan/common.c:58)
[  734.055618][T13327]  ? kasan_save_stack (mm/kasan/common.c:57)
[  734.055620][T13327]  ? kasan_save_track (mm/kasan/common.c:78)
[  734.055622][T13327]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  734.055626][T13327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  734.055629][T13327]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  734.055639][T13327]  ? ___sys_sendmsg (net/socket.c:2758)
[  734.055646][T13327]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  734.055649][T13327]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  734.055654][T13327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.055658][T13327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.055661][T13327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.055663][T13327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.055666][T13327]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  734.055673][T13327]  ? __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)
[  734.055676][T13327]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  734.055679][T13327]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  734.055685][T13327]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  734.055687][T13327]  ? nla_get_range_signed (lib/nlattr.c:270)
[  734.055695][T13327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.055699][T13327]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  734.055708][T13327]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  734.055718][T13327]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  734.055722][T13327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  734.055730][T13327]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  734.055734][T13327]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  734.055737][T13327]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  734.055741][T13327]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  734.055748][T13327]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  734.055752][T13327]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  734.055757][T13327]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  734.055759][T13327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  734.055767][T13327]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  734.055770][T13327]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  734.055777][T13327]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  734.055781][T13327]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  734.055786][T13327]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  734.055797][T13327]  ? 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))
[  734.055800][T13327]  ? 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))
[  734.055809][T13327]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  734.055816][T13327]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  734.055821][T13327]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  734.055829][T13327]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  734.055836][T13327]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  734.055842][T13327]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  734.055845][T13327]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  734.055853][T13327]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  734.055858][T13327]  ____sys_sendmsg (net/socket.c:2713)
[  734.055862][T13327]  ? copy_msghdr_from_user (net/socket.c:2650)
[  734.055865][T13327]  ? sock_write_iter (net/socket.c:1269)
[  734.055868][T13327]  ? move_addr_to_kernel (net/socket.c:258)
[  734.055882][T13327]  ___sys_sendmsg (net/socket.c:2767)
[  734.055887][T13327]  ? copy_msghdr_from_user (net/socket.c:2619)
[  734.055918][T13327]  __sys_sendmsg (net/socket.c:2799)
[  734.055923][T13327]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  734.055934][T13327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.055939][T13327]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  734.055943][T13327]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  734.055948][T13327]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  734.055952][T13327] RIP: 0033:0x7fece90a054e
[  734.055957][T13327] 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
[  734.055960][T13327] RSP: 002b:00007ffcc47278e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  734.055964][T13327] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fece90a054e
[  734.055966][T13327] RDX: 0000000000000000 RSI: 00007ffcc4727990 RDI: 0000000000000005
[  734.055968][T13327] RBP: 00007ffcc47278f0 R08: 0000000000000000 R09: 0000000000000000
[  734.055970][T13327] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fef7
[  734.055971][T13327] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc4728060
| [  746.777345][T13499] softirqs last disabled at (26002): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  746.777349][T13499] Preemption disabled at:
| [  746.777350][T13499] vprintk_emit (kernel/printk/printk.c:2471)
| [  746.777362][T13499] Tainted: [W]=WARN
[  746.777363][T13499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  746.777365][T13499] Call Trace:
[  746.777368][T13499]  <TASK>
[  746.777370][T13499]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  746.777377][T13499]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  746.777380][T13499]  __might_resched.cold (kernel/sched/core.c:9234)
[  746.777386][T13499]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  746.777392][T13499]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  746.777398][T13499]  __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))
[  746.777402][T13499]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  746.777411][T13499]  ? 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)
[  746.777415][T13499]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  746.777421][T13499]  put_chars (drivers/char/virtio_console.c:1176)
[  746.777426][T13499]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  746.777438][T13499]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  746.777450][T13499]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  746.777455][T13499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.777463][T13499]  console_emit_next_record (kernel/printk/printk.c:3183)
[  746.777471][T13499]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  746.777474][T13499]  ? 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))
[  746.777479][T13499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.777483][T13499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.777490][T13499]  console_flush_one_record (kernel/printk/printk.c:3268)
[  746.777497][T13499]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  746.777500][T13499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  746.777510][T13499]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  746.777515][T13499]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  746.777518][T13499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.777521][T13499]  ? 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)
[  746.777528][T13499]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  746.777530][T13499]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  746.777535][T13499]  vprintk_emit (kernel/printk/printk.c:2479)
[  746.777540][T13499]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  746.777545][T13499]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  746.777553][T13499]  _printk (kernel/printk/printk.c:2504)
[  746.777558][T13499]  ? snapshot_read.cold (user.c:?)
[  746.777560][T13499]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  746.777564][T13499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  746.777568][T13499]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  746.777572][T13499]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  746.777577][T13499]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  746.777582][T13499]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  746.777586][T13499]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  746.777590][T13499]  ? netdev_notice (net/core/dev.c:13194)
[  746.777595][T13499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  746.777601][T13499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  746.777605][T13499]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  746.777611][T13499]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  746.777614][T13499]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  746.777618][T13499]  ? register_netdev (net/core/dev.c:11618)
[  746.777620][T13499]  ? 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))
[  746.777628][T13499]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  746.777632][T13499]  ? __kernel_text_address (kernel/extable.c:79)
[  746.777635][T13499]  ? write_profile (profile.c:?)
[  746.777641][T13499]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  746.777650][T13499]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  746.777656][T13499]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  746.777660][T13499]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  746.777663][T13499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  746.777666][T13499]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  746.777674][T13499]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  746.777678][T13499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  746.777681][T13499]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  746.777685][T13499]  ? kasan_save_stack (mm/kasan/common.c:58)
[  746.777687][T13499]  ? kasan_save_stack (mm/kasan/common.c:57)
[  746.777689][T13499]  ? kasan_save_track (mm/kasan/common.c:78)
[  746.777692][T13499]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  746.777696][T13499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  746.777699][T13499]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  746.777703][T13499]  ? ___sys_sendmsg (net/socket.c:2758)
[  746.777714][T13499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  746.777717][T13499]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  746.777722][T13499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.777725][T13499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.777727][T13499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.777729][T13499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.777733][T13499]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  746.777737][T13499]  ? __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)
[  746.777739][T13499]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  746.777743][T13499]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  746.777750][T13499]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  746.777752][T13499]  ? nla_get_range_signed (lib/nlattr.c:270)
[  746.777760][T13499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.777764][T13499]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  746.777774][T13499]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  746.777783][T13499]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  746.777786][T13499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  746.777794][T13499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  746.777797][T13499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  746.777800][T13499]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  746.777803][T13499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  746.777810][T13499]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  746.777814][T13499]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  746.777820][T13499]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  746.777822][T13499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  746.777831][T13499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  746.777834][T13499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  746.777841][T13499]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  746.777845][T13499]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  746.777850][T13499]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  746.777861][T13499]  ? 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))
[  746.777864][T13499]  ? 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))
[  746.777872][T13499]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  746.777879][T13499]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  746.777883][T13499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  746.777890][T13499]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  746.777898][T13499]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  746.777905][T13499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  746.777908][T13499]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  746.777917][T13499]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  746.777922][T13499]  ____sys_sendmsg (net/socket.c:2713)
[  746.777925][T13499]  ? copy_msghdr_from_user (net/socket.c:2650)
[  746.777929][T13499]  ? sock_write_iter (net/socket.c:1269)
[  746.777932][T13499]  ? move_addr_to_kernel (net/socket.c:258)
[  746.777945][T13499]  ___sys_sendmsg (net/socket.c:2767)
[  746.777949][T13499]  ? copy_msghdr_from_user (net/socket.c:2619)
[  746.777979][T13499]  __sys_sendmsg (net/socket.c:2799)
[  746.777984][T13499]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  746.777996][T13499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.778002][T13499]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  746.778006][T13499]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  746.778010][T13499]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  746.778014][T13499] RIP: 0033:0x7f864d78054e
[  746.778019][T13499] 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
[  746.778021][T13499] RSP: 002b:00007ffc8c2a5130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  746.778025][T13499] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f864d78054e
[  746.778027][T13499] RDX: 0000000000000000 RSI: 00007ffc8c2a51e0 RDI: 0000000000000005
[  746.778029][T13499] RBP: 00007ffc8c2a5140 R08: 0000000000000000 R09: 0000000000000000
[  746.778030][T13499] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff04
[  746.778032][T13499] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8c2a58b0
| [  759.567397][T13670] softirqs last disabled at (19966): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  759.567400][T13670] Preemption disabled at:
| [  759.567401][T13670] vprintk_emit (kernel/printk/printk.c:2471)
| [  759.567412][T13670] Tainted: [W]=WARN
[  759.567413][T13670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  759.567415][T13670] Call Trace:
[  759.567417][T13670]  <TASK>
[  759.567419][T13670]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  759.567427][T13670]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  759.567430][T13670]  __might_resched.cold (kernel/sched/core.c:9234)
[  759.567436][T13670]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  759.567443][T13670]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  759.567449][T13670]  __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))
[  759.567452][T13670]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  759.567462][T13670]  ? 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)
[  759.567466][T13670]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  759.567472][T13670]  put_chars (drivers/char/virtio_console.c:1176)
[  759.567476][T13670]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  759.567487][T13670]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  759.567499][T13670]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  759.567505][T13670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.567513][T13670]  console_emit_next_record (kernel/printk/printk.c:3183)
[  759.567520][T13670]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  759.567522][T13670]  ? 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))
[  759.567528][T13670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.567531][T13670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.567538][T13670]  console_flush_one_record (kernel/printk/printk.c:3268)
[  759.567545][T13670]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  759.567548][T13670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  759.567557][T13670]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  759.567561][T13670]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  759.567563][T13670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.567566][T13670]  ? 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)
[  759.567573][T13670]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  759.567576][T13670]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  759.567581][T13670]  vprintk_emit (kernel/printk/printk.c:2479)
[  759.567587][T13670]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  759.567593][T13670]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  759.567601][T13670]  _printk (kernel/printk/printk.c:2504)
[  759.567606][T13670]  ? snapshot_read.cold (user.c:?)
[  759.567608][T13670]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  759.567612][T13670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  759.567616][T13670]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  759.567619][T13670]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  759.567625][T13670]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  759.567629][T13670]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  759.567633][T13670]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  759.567637][T13670]  ? netdev_notice (net/core/dev.c:13194)
[  759.567641][T13670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  759.567646][T13670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  759.567650][T13670]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  759.567656][T13670]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  759.567660][T13670]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  759.567664][T13670]  ? register_netdev (net/core/dev.c:11618)
[  759.567666][T13670]  ? 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))
[  759.567678][T13670]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  759.567682][T13670]  ? __kernel_text_address (kernel/extable.c:79)
[  759.567685][T13670]  ? write_profile (profile.c:?)
[  759.567691][T13670]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  759.567700][T13670]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  759.567706][T13670]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  759.567709][T13670]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  759.567711][T13670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  759.567714][T13670]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  759.567719][T13670]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  759.567722][T13670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  759.567725][T13670]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  759.567729][T13670]  ? kasan_save_stack (mm/kasan/common.c:58)
[  759.567732][T13670]  ? kasan_save_stack (mm/kasan/common.c:57)
[  759.567735][T13670]  ? kasan_save_track (mm/kasan/common.c:78)
[  759.567737][T13670]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  759.567742][T13670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  759.567745][T13670]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  759.567749][T13670]  ? ___sys_sendmsg (net/socket.c:2758)
[  759.567756][T13670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  759.567759][T13670]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  759.567763][T13670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.567766][T13670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.567769][T13670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.567771][T13670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.567774][T13670]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  759.567777][T13670]  ? __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)
[  759.567779][T13670]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  759.567782][T13670]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  759.567788][T13670]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  759.567797][T13670]  ? nla_get_range_signed (lib/nlattr.c:270)
[  759.567804][T13670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.567808][T13670]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  759.567819][T13670]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  759.567829][T13670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  759.567833][T13670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  759.567840][T13670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  759.567843][T13670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  759.567846][T13670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  759.567850][T13670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  759.567856][T13670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  759.567859][T13670]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  759.567865][T13670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  759.567867][T13670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  759.567874][T13670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  759.567877][T13670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  759.567883][T13670]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  759.567887][T13670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  759.567893][T13670]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  759.567905][T13670]  ? 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))
[  759.567908][T13670]  ? 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))
[  759.567916][T13670]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  759.567922][T13670]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  759.567926][T13670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  759.567934][T13670]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  759.567940][T13670]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  759.567946][T13670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  759.567949][T13670]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  759.567957][T13670]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  759.567961][T13670]  ____sys_sendmsg (net/socket.c:2713)
[  759.567965][T13670]  ? copy_msghdr_from_user (net/socket.c:2650)
[  759.567969][T13670]  ? sock_write_iter (net/socket.c:1269)
[  759.567972][T13670]  ? move_addr_to_kernel (net/socket.c:258)
[  759.567986][T13670]  ___sys_sendmsg (net/socket.c:2767)
[  759.567991][T13670]  ? copy_msghdr_from_user (net/socket.c:2619)
[  759.568019][T13670]  __sys_sendmsg (net/socket.c:2799)
[  759.568023][T13670]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  759.568034][T13670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.568039][T13670]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  759.568044][T13670]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  759.568049][T13670]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  759.568053][T13670] RIP: 0033:0x7fd3caa4c54e
[  759.568058][T13670] 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
[  759.568061][T13670] RSP: 002b:00007fff284746f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  759.568065][T13670] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd3caa4c54e
[  759.568067][T13670] RDX: 0000000000000000 RSI: 00007fff284747a0 RDI: 0000000000000005
[  759.568069][T13670] RBP: 00007fff28474700 R08: 0000000000000000 R09: 0000000000000000
[  759.568070][T13670] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff11
[  759.568071][T13670] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff28474e70
| [  772.396073][T13841] softirqs last disabled at (28962): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  772.396078][T13841] Preemption disabled at:
| [  772.396079][T13841] vprintk_emit (kernel/printk/printk.c:2471)
| [  772.396091][T13841] Tainted: [W]=WARN
[  772.396092][T13841] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  772.396095][T13841] Call Trace:
[  772.396097][T13841]  <TASK>
[  772.396100][T13841]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  772.396107][T13841]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  772.396110][T13841]  __might_resched.cold (kernel/sched/core.c:9234)
[  772.396116][T13841]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  772.396122][T13841]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  772.396129][T13841]  __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))
[  772.396132][T13841]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  772.396141][T13841]  ? 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)
[  772.396145][T13841]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  772.396151][T13841]  put_chars (drivers/char/virtio_console.c:1176)
[  772.396156][T13841]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  772.396168][T13841]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  772.396180][T13841]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  772.396186][T13841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.396193][T13841]  console_emit_next_record (kernel/printk/printk.c:3183)
[  772.396200][T13841]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  772.396203][T13841]  ? 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))
[  772.396208][T13841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.396212][T13841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.396219][T13841]  console_flush_one_record (kernel/printk/printk.c:3268)
[  772.396226][T13841]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  772.396229][T13841]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  772.396238][T13841]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  772.396243][T13841]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  772.396246][T13841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.396249][T13841]  ? 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)
[  772.396256][T13841]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  772.396258][T13841]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  772.396264][T13841]  vprintk_emit (kernel/printk/printk.c:2479)
[  772.396270][T13841]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  772.396274][T13841]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  772.396283][T13841]  _printk (kernel/printk/printk.c:2504)
[  772.396288][T13841]  ? snapshot_read.cold (user.c:?)
[  772.396290][T13841]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  772.396295][T13841]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  772.396299][T13841]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  772.396303][T13841]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  772.396308][T13841]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  772.396312][T13841]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  772.396316][T13841]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  772.396320][T13841]  ? netdev_notice (net/core/dev.c:13194)
[  772.396325][T13841]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  772.396331][T13841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  772.396335][T13841]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  772.396342][T13841]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  772.396346][T13841]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  772.396349][T13841]  ? register_netdev (net/core/dev.c:11618)
[  772.396351][T13841]  ? 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))
[  772.396360][T13841]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  772.396364][T13841]  ? __kernel_text_address (kernel/extable.c:79)
[  772.396367][T13841]  ? write_profile (profile.c:?)
[  772.396374][T13841]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  772.396383][T13841]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  772.396389][T13841]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  772.396392][T13841]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  772.396394][T13841]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  772.396397][T13841]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  772.396403][T13841]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  772.396406][T13841]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  772.396409][T13841]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  772.396414][T13841]  ? kasan_save_stack (mm/kasan/common.c:58)
[  772.396417][T13841]  ? kasan_save_stack (mm/kasan/common.c:57)
[  772.396419][T13841]  ? kasan_save_track (mm/kasan/common.c:78)
[  772.396422][T13841]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  772.396426][T13841]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  772.396429][T13841]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  772.396434][T13841]  ? ___sys_sendmsg (net/socket.c:2758)
[  772.396440][T13841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  772.396443][T13841]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  772.396448][T13841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.396451][T13841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.396453][T13841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.396455][T13841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.396458][T13841]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  772.396462][T13841]  ? __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)
[  772.396464][T13841]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  772.396467][T13841]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  772.396474][T13841]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  772.396476][T13841]  ? nla_get_range_signed (lib/nlattr.c:270)
[  772.396484][T13841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.396489][T13841]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  772.396499][T13841]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  772.396508][T13841]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  772.396512][T13841]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  772.396520][T13841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  772.396523][T13841]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  772.396526][T13841]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  772.396529][T13841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  772.396536][T13841]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  772.396539][T13841]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  772.396545][T13841]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  772.396547][T13841]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  772.396556][T13841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  772.396559][T13841]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  772.396566][T13841]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  772.396570][T13841]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  772.396575][T13841]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  772.396587][T13841]  ? 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))
[  772.396590][T13841]  ? 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))
[  772.396597][T13841]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  772.396604][T13841]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  772.396608][T13841]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  772.396616][T13841]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  772.396624][T13841]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  772.396631][T13841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  772.396634][T13841]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  772.396642][T13841]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  772.396647][T13841]  ____sys_sendmsg (net/socket.c:2713)
[  772.396650][T13841]  ? copy_msghdr_from_user (net/socket.c:2650)
[  772.396654][T13841]  ? sock_write_iter (net/socket.c:1269)
[  772.396656][T13841]  ? move_addr_to_kernel (net/socket.c:258)
[  772.396673][T13841]  ___sys_sendmsg (net/socket.c:2767)
[  772.396678][T13841]  ? copy_msghdr_from_user (net/socket.c:2619)
[  772.396709][T13841]  __sys_sendmsg (net/socket.c:2799)
[  772.396714][T13841]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  772.396725][T13841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.396731][T13841]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  772.396734][T13841]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  772.396739][T13841]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  772.396743][T13841] RIP: 0033:0x7fc6de8ee54e
[  772.396748][T13841] 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
[  772.396751][T13841] RSP: 002b:00007fff7f2de330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  772.396755][T13841] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc6de8ee54e
[  772.396757][T13841] RDX: 0000000000000000 RSI: 00007fff7f2de3e0 RDI: 0000000000000005
[  772.396758][T13841] RBP: 00007fff7f2de340 R08: 0000000000000000 R09: 0000000000000000
[  772.396760][T13841] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff1e
[  772.396762][T13841] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7f2deab0
| [  785.081025][T14012] softirqs last disabled at (22222): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  785.081032][T14012] Preemption disabled at:
| [  785.081034][T14012] vprintk_emit (kernel/printk/printk.c:2471)
| [  785.081047][T14012] Tainted: [W]=WARN
[  785.081048][T14012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  785.081051][T14012] Call Trace:
[  785.081054][T14012]  <TASK>
[  785.081057][T14012]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  785.081065][T14012]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  785.081069][T14012]  __might_resched.cold (kernel/sched/core.c:9234)
[  785.081082][T14012]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  785.081093][T14012]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  785.081102][T14012]  __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))
[  785.081106][T14012]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  785.081116][T14012]  ? 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)
[  785.081120][T14012]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  785.081126][T14012]  put_chars (drivers/char/virtio_console.c:1176)
[  785.081130][T14012]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  785.081147][T14012]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  785.081165][T14012]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  785.081170][T14012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  785.081178][T14012]  console_emit_next_record (kernel/printk/printk.c:3183)
[  785.081184][T14012]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  785.081187][T14012]  ? 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))
[  785.081192][T14012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.081200][T14012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  785.081210][T14012]  console_flush_one_record (kernel/printk/printk.c:3268)
[  785.081223][T14012]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  785.081229][T14012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  785.081238][T14012]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  785.081243][T14012]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  785.081246][T14012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.081249][T14012]  ? 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)
[  785.081255][T14012]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  785.081258][T14012]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  785.081263][T14012]  vprintk_emit (kernel/printk/printk.c:2479)
[  785.081269][T14012]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  785.081273][T14012]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  785.081283][T14012]  _printk (kernel/printk/printk.c:2504)
[  785.081293][T14012]  ? snapshot_read.cold (user.c:?)
[  785.081299][T14012]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  785.081308][T14012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  785.081313][T14012]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  785.081316][T14012]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  785.081321][T14012]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  785.081326][T14012]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  785.081330][T14012]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  785.081335][T14012]  ? netdev_notice (net/core/dev.c:13194)
[  785.081340][T14012]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  785.081344][T14012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  785.081348][T14012]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  785.081358][T14012]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  785.081367][T14012]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  785.081374][T14012]  ? register_netdev (net/core/dev.c:11618)
[  785.081381][T14012]  ? 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))
[  785.081391][T14012]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  785.081395][T14012]  ? __kernel_text_address (kernel/extable.c:79)
[  785.081398][T14012]  ? write_profile (profile.c:?)
[  785.081405][T14012]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  785.081413][T14012]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  785.081421][T14012]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  785.081427][T14012]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  785.081432][T14012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  785.081438][T14012]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  785.081448][T14012]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  785.081452][T14012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  785.081455][T14012]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  785.081459][T14012]  ? kasan_save_stack (mm/kasan/common.c:58)
[  785.081462][T14012]  ? kasan_save_stack (mm/kasan/common.c:57)
[  785.081464][T14012]  ? kasan_save_track (mm/kasan/common.c:78)
[  785.081467][T14012]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  785.081471][T14012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  785.081474][T14012]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  785.081482][T14012]  ? ___sys_sendmsg (net/socket.c:2758)
[  785.081492][T14012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  785.081498][T14012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  785.081507][T14012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.081511][T14012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  785.081513][T14012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.081515][T14012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.081518][T14012]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  785.081522][T14012]  ? __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)
[  785.081525][T14012]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  785.081528][T14012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  785.081534][T14012]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  785.081536][T14012]  ? nla_get_range_signed (lib/nlattr.c:270)
[  785.081544][T14012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.081553][T14012]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  785.081566][T14012]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  785.081579][T14012]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  785.081583][T14012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  785.081590][T14012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  785.081594][T14012]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  785.081597][T14012]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  785.081600][T14012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  785.081607][T14012]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  785.081610][T14012]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  785.081621][T14012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  785.081628][T14012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  785.081639][T14012]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  785.081645][T14012]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  785.081651][T14012]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  785.081656][T14012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  785.081661][T14012]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  785.081677][T14012]  ? 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))
[  785.081681][T14012]  ? 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))
[  785.081689][T14012]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  785.081697][T14012]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  785.081707][T14012]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  785.081719][T14012]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  785.081729][T14012]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  785.081735][T14012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  785.081738][T14012]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  785.081747][T14012]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  785.081751][T14012]  ____sys_sendmsg (net/socket.c:2713)
[  785.081755][T14012]  ? copy_msghdr_from_user (net/socket.c:2650)
[  785.081758][T14012]  ? sock_write_iter (net/socket.c:1269)
[  785.081761][T14012]  ? move_addr_to_kernel (net/socket.c:258)
[  785.081773][T14012]  ___sys_sendmsg (net/socket.c:2767)
[  785.081778][T14012]  ? copy_msghdr_from_user (net/socket.c:2619)
[  785.081807][T14012]  __sys_sendmsg (net/socket.c:2799)
[  785.081812][T14012]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  785.081822][T14012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  785.081828][T14012]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  785.081832][T14012]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  785.081836][T14012]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  785.081840][T14012] RIP: 0033:0x7f63d4d6a54e
[  785.081845][T14012] 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
[  785.081849][T14012] RSP: 002b:00007ffc19ef41b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  785.081854][T14012] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f63d4d6a54e
[  785.081857][T14012] RDX: 0000000000000000 RSI: 00007ffc19ef4260 RDI: 0000000000000005
[  785.081858][T14012] RBP: 00007ffc19ef41c0 R08: 0000000000000000 R09: 0000000000000000
[  785.081860][T14012] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff2a
[  785.081862][T14012] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc19ef4930
| [  797.917808][T14182] softirqs last disabled at (26670): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  797.917812][T14182] Preemption disabled at:
| [  797.917813][T14182] vprintk_emit (kernel/printk/printk.c:2471)
| [  797.917824][T14182] Tainted: [W]=WARN
[  797.917825][T14182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  797.917827][T14182] Call Trace:
[  797.917830][T14182]  <TASK>
[  797.917832][T14182]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  797.917839][T14182]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  797.917842][T14182]  __might_resched.cold (kernel/sched/core.c:9234)
[  797.917848][T14182]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  797.917854][T14182]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  797.917861][T14182]  __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))
[  797.917864][T14182]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  797.917873][T14182]  ? 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)
[  797.917877][T14182]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  797.917883][T14182]  put_chars (drivers/char/virtio_console.c:1176)
[  797.917887][T14182]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  797.917898][T14182]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  797.917910][T14182]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  797.917915][T14182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.917922][T14182]  console_emit_next_record (kernel/printk/printk.c:3183)
[  797.917929][T14182]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  797.917931][T14182]  ? 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))
[  797.917937][T14182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.917941][T14182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.917948][T14182]  console_flush_one_record (kernel/printk/printk.c:3268)
[  797.917955][T14182]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  797.917958][T14182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  797.917967][T14182]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  797.917971][T14182]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  797.917974][T14182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.917977][T14182]  ? 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)
[  797.917983][T14182]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  797.917986][T14182]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  797.917991][T14182]  vprintk_emit (kernel/printk/printk.c:2479)
[  797.917996][T14182]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  797.918001][T14182]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  797.918009][T14182]  _printk (kernel/printk/printk.c:2504)
[  797.918014][T14182]  ? snapshot_read.cold (user.c:?)
[  797.918016][T14182]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  797.918026][T14182]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  797.918030][T14182]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  797.918034][T14182]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  797.918039][T14182]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  797.918044][T14182]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  797.918047][T14182]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  797.918052][T14182]  ? netdev_notice (net/core/dev.c:13194)
[  797.918056][T14182]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  797.918061][T14182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  797.918066][T14182]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  797.918072][T14182]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  797.918075][T14182]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  797.918079][T14182]  ? register_netdev (net/core/dev.c:11618)
[  797.918081][T14182]  ? 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))
[  797.918089][T14182]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  797.918093][T14182]  ? __kernel_text_address (kernel/extable.c:79)
[  797.918097][T14182]  ? write_profile (profile.c:?)
[  797.918103][T14182]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  797.918112][T14182]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  797.918117][T14182]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  797.918121][T14182]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  797.918123][T14182]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  797.918126][T14182]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  797.918131][T14182]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  797.918135][T14182]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  797.918138][T14182]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  797.918141][T14182]  ? kasan_save_stack (mm/kasan/common.c:58)
[  797.918144][T14182]  ? kasan_save_stack (mm/kasan/common.c:57)
[  797.918147][T14182]  ? kasan_save_track (mm/kasan/common.c:78)
[  797.918149][T14182]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  797.918153][T14182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  797.918156][T14182]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  797.918160][T14182]  ? ___sys_sendmsg (net/socket.c:2758)
[  797.918167][T14182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  797.918170][T14182]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  797.918175][T14182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.918178][T14182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.918180][T14182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.918182][T14182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.918185][T14182]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  797.918189][T14182]  ? __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)
[  797.918191][T14182]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  797.918195][T14182]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  797.918201][T14182]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  797.918203][T14182]  ? nla_get_range_signed (lib/nlattr.c:270)
[  797.918211][T14182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.918215][T14182]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  797.918224][T14182]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  797.918233][T14182]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  797.918236][T14182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  797.918244][T14182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  797.918248][T14182]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  797.918251][T14182]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  797.918254][T14182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  797.918261][T14182]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  797.918264][T14182]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  797.918270][T14182]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  797.918272][T14182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  797.918280][T14182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  797.918283][T14182]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  797.918289][T14182]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  797.918293][T14182]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  797.918298][T14182]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  797.918309][T14182]  ? 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))
[  797.918313][T14182]  ? 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))
[  797.918320][T14182]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  797.918327][T14182]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  797.918331][T14182]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  797.918338][T14182]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  797.918345][T14182]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  797.918351][T14182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  797.918354][T14182]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  797.918362][T14182]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  797.918366][T14182]  ____sys_sendmsg (net/socket.c:2713)
[  797.918370][T14182]  ? copy_msghdr_from_user (net/socket.c:2650)
[  797.918374][T14182]  ? sock_write_iter (net/socket.c:1269)
[  797.918378][T14182]  ? move_addr_to_kernel (net/socket.c:258)
[  797.918392][T14182]  ___sys_sendmsg (net/socket.c:2767)
[  797.918396][T14182]  ? copy_msghdr_from_user (net/socket.c:2619)
[  797.918425][T14182]  __sys_sendmsg (net/socket.c:2799)
[  797.918430][T14182]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  797.918441][T14182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.918446][T14182]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  797.918450][T14182]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  797.918454][T14182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  797.918458][T14182] RIP: 0033:0x7f5225f4454e
[  797.918463][T14182] 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
[  797.918466][T14182] RSP: 002b:00007ffdfccac0a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  797.918470][T14182] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5225f4454e
[  797.918472][T14182] RDX: 0000000000000000 RSI: 00007ffdfccac150 RDI: 0000000000000005
[  797.918474][T14182] RBP: 00007ffdfccac0b0 R08: 0000000000000000 R09: 0000000000000000
[  797.918475][T14182] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff37
[  797.918477][T14182] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfccac820
| [  810.685265][T14352] softirqs last disabled at (28156): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  810.685269][T14352] Preemption disabled at:
| [  810.685271][T14352] vprintk_emit (kernel/printk/printk.c:2471)
| [  810.685283][T14352] Tainted: [W]=WARN
[  810.685284][T14352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  810.685287][T14352] Call Trace:
[  810.685289][T14352]  <TASK>
[  810.685291][T14352]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  810.685298][T14352]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  810.685301][T14352]  __might_resched.cold (kernel/sched/core.c:9234)
[  810.685307][T14352]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  810.685313][T14352]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  810.685319][T14352]  __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))
[  810.685323][T14352]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  810.685332][T14352]  ? 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)
[  810.685336][T14352]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  810.685342][T14352]  put_chars (drivers/char/virtio_console.c:1176)
[  810.685346][T14352]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  810.685358][T14352]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  810.685370][T14352]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  810.685376][T14352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.685384][T14352]  console_emit_next_record (kernel/printk/printk.c:3183)
[  810.685391][T14352]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  810.685394][T14352]  ? 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))
[  810.685399][T14352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.685403][T14352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.685410][T14352]  console_flush_one_record (kernel/printk/printk.c:3268)
[  810.685418][T14352]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  810.685421][T14352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  810.685431][T14352]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  810.685435][T14352]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  810.685438][T14352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.685441][T14352]  ? 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)
[  810.685448][T14352]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  810.685451][T14352]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  810.685456][T14352]  vprintk_emit (kernel/printk/printk.c:2479)
[  810.685461][T14352]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  810.685466][T14352]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  810.685474][T14352]  _printk (kernel/printk/printk.c:2504)
[  810.685479][T14352]  ? snapshot_read.cold (user.c:?)
[  810.685482][T14352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  810.685486][T14352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  810.685490][T14352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  810.685494][T14352]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  810.685499][T14352]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  810.685504][T14352]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  810.685508][T14352]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  810.685513][T14352]  ? netdev_notice (net/core/dev.c:13194)
[  810.685518][T14352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  810.685523][T14352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  810.685527][T14352]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  810.685533][T14352]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  810.685537][T14352]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  810.685541][T14352]  ? register_netdev (net/core/dev.c:11618)
[  810.685543][T14352]  ? 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))
[  810.685551][T14352]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  810.685555][T14352]  ? __kernel_text_address (kernel/extable.c:79)
[  810.685559][T14352]  ? write_profile (profile.c:?)
[  810.685565][T14352]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  810.685574][T14352]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  810.685580][T14352]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  810.685584][T14352]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  810.685587][T14352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  810.685590][T14352]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  810.685595][T14352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  810.685598][T14352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  810.685602][T14352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  810.685606][T14352]  ? kasan_save_stack (mm/kasan/common.c:58)
[  810.685609][T14352]  ? kasan_save_stack (mm/kasan/common.c:57)
[  810.685611][T14352]  ? kasan_save_track (mm/kasan/common.c:78)
[  810.685613][T14352]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  810.685617][T14352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  810.685620][T14352]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  810.685625][T14352]  ? ___sys_sendmsg (net/socket.c:2758)
[  810.685631][T14352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  810.685634][T14352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  810.685639][T14352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.685642][T14352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.685644][T14352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.685647][T14352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.685650][T14352]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  810.685654][T14352]  ? __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)
[  810.685656][T14352]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  810.685660][T14352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  810.685667][T14352]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  810.685673][T14352]  ? nla_get_range_signed (lib/nlattr.c:270)
[  810.685681][T14352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.685685][T14352]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  810.685694][T14352]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  810.685704][T14352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  810.685707][T14352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  810.685715][T14352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  810.685718][T14352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  810.685721][T14352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  810.685725][T14352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  810.685732][T14352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  810.685736][T14352]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  810.685742][T14352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  810.685744][T14352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  810.685752][T14352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  810.685755][T14352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  810.685761][T14352]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  810.685766][T14352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  810.685771][T14352]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  810.685782][T14352]  ? 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))
[  810.685785][T14352]  ? 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))
[  810.685793][T14352]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  810.685800][T14352]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  810.685804][T14352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  810.685813][T14352]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  810.685820][T14352]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  810.685827][T14352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  810.685830][T14352]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  810.685838][T14352]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  810.685843][T14352]  ____sys_sendmsg (net/socket.c:2713)
[  810.685847][T14352]  ? copy_msghdr_from_user (net/socket.c:2650)
[  810.685850][T14352]  ? sock_write_iter (net/socket.c:1269)
[  810.685853][T14352]  ? move_addr_to_kernel (net/socket.c:258)
[  810.685866][T14352]  ___sys_sendmsg (net/socket.c:2767)
[  810.685871][T14352]  ? copy_msghdr_from_user (net/socket.c:2619)
[  810.685901][T14352]  __sys_sendmsg (net/socket.c:2799)
[  810.685906][T14352]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  810.685917][T14352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.685922][T14352]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  810.685926][T14352]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  810.685931][T14352]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  810.685935][T14352] RIP: 0033:0x7fa9e6f0754e
[  810.685940][T14352] 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
[  810.685943][T14352] RSP: 002b:00007ffd1a227270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  810.685947][T14352] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa9e6f0754e
[  810.685949][T14352] RDX: 0000000000000000 RSI: 00007ffd1a227320 RDI: 0000000000000005
[  810.685951][T14352] RBP: 00007ffd1a227280 R08: 0000000000000000 R09: 0000000000000000
[  810.685952][T14352] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff44
[  810.685953][T14352] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1a2279f0
| [  823.554611][T14523] softirqs last disabled at (23154): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  823.554615][T14523] Preemption disabled at:
| [  823.554616][T14523] vprintk_emit (kernel/printk/printk.c:2471)
| [  823.554628][T14523] Tainted: [W]=WARN
[  823.554629][T14523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  823.554631][T14523] Call Trace:
[  823.554634][T14523]  <TASK>
[  823.554637][T14523]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  823.554644][T14523]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  823.554647][T14523]  __might_resched.cold (kernel/sched/core.c:9234)
[  823.554654][T14523]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  823.554659][T14523]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  823.554666][T14523]  __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))
[  823.554673][T14523]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  823.554683][T14523]  ? 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)
[  823.554687][T14523]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  823.554693][T14523]  put_chars (drivers/char/virtio_console.c:1176)
[  823.554697][T14523]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  823.554709][T14523]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  823.554720][T14523]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  823.554726][T14523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  823.554733][T14523]  console_emit_next_record (kernel/printk/printk.c:3183)
[  823.554740][T14523]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  823.554743][T14523]  ? 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))
[  823.554748][T14523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.554752][T14523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  823.554759][T14523]  console_flush_one_record (kernel/printk/printk.c:3268)
[  823.554766][T14523]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  823.554769][T14523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  823.554778][T14523]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  823.554783][T14523]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  823.554786][T14523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.554789][T14523]  ? 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)
[  823.554796][T14523]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  823.554799][T14523]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  823.554804][T14523]  vprintk_emit (kernel/printk/printk.c:2479)
[  823.554809][T14523]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  823.554814][T14523]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  823.554822][T14523]  _printk (kernel/printk/printk.c:2504)
[  823.554827][T14523]  ? snapshot_read.cold (user.c:?)
[  823.554830][T14523]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  823.554834][T14523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  823.554839][T14523]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  823.554843][T14523]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  823.554848][T14523]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  823.554853][T14523]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  823.554857][T14523]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  823.554861][T14523]  ? netdev_notice (net/core/dev.c:13194)
[  823.554866][T14523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  823.554871][T14523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  823.554876][T14523]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  823.554882][T14523]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  823.554886][T14523]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  823.554890][T14523]  ? register_netdev (net/core/dev.c:11618)
[  823.554893][T14523]  ? 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))
[  823.554902][T14523]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  823.554906][T14523]  ? __kernel_text_address (kernel/extable.c:79)
[  823.554910][T14523]  ? write_profile (profile.c:?)
[  823.554916][T14523]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  823.554925][T14523]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  823.554931][T14523]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  823.554935][T14523]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  823.554937][T14523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  823.554941][T14523]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  823.554946][T14523]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  823.554949][T14523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  823.554952][T14523]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  823.554956][T14523]  ? kasan_save_stack (mm/kasan/common.c:58)
[  823.554959][T14523]  ? kasan_save_stack (mm/kasan/common.c:57)
[  823.554961][T14523]  ? kasan_save_track (mm/kasan/common.c:78)
[  823.554964][T14523]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  823.554968][T14523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  823.554971][T14523]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  823.554976][T14523]  ? ___sys_sendmsg (net/socket.c:2758)
[  823.554982][T14523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  823.554985][T14523]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  823.554990][T14523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.554993][T14523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  823.554996][T14523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.554998][T14523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.555001][T14523]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  823.555005][T14523]  ? __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)
[  823.555007][T14523]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  823.555011][T14523]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  823.555017][T14523]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  823.555019][T14523]  ? nla_get_range_signed (lib/nlattr.c:270)
[  823.555027][T14523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.555031][T14523]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  823.555041][T14523]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  823.555050][T14523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  823.555054][T14523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  823.555062][T14523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  823.555065][T14523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  823.555068][T14523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  823.555072][T14523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  823.555078][T14523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  823.555082][T14523]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  823.555087][T14523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  823.555090][T14523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  823.555098][T14523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  823.555101][T14523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  823.555107][T14523]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  823.555112][T14523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  823.555117][T14523]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  823.555128][T14523]  ? 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))
[  823.555131][T14523]  ? 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))
[  823.555139][T14523]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  823.555146][T14523]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  823.555150][T14523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  823.555158][T14523]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  823.555165][T14523]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  823.555171][T14523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  823.555174][T14523]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  823.555189][T14523]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  823.555194][T14523]  ____sys_sendmsg (net/socket.c:2713)
[  823.555198][T14523]  ? copy_msghdr_from_user (net/socket.c:2650)
[  823.555202][T14523]  ? sock_write_iter (net/socket.c:1269)
[  823.555205][T14523]  ? move_addr_to_kernel (net/socket.c:258)
[  823.555218][T14523]  ___sys_sendmsg (net/socket.c:2767)
[  823.555224][T14523]  ? copy_msghdr_from_user (net/socket.c:2619)
[  823.555253][T14523]  __sys_sendmsg (net/socket.c:2799)
[  823.555258][T14523]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  823.555269][T14523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.555274][T14523]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  823.555279][T14523]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  823.555284][T14523]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  823.555287][T14523] RIP: 0033:0x7faeeb68b54e
[  823.555292][T14523] 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
[  823.555295][T14523] RSP: 002b:00007ffe6184d880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  823.555299][T14523] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faeeb68b54e
[  823.555302][T14523] RDX: 0000000000000000 RSI: 00007ffe6184d930 RDI: 0000000000000005
[  823.555303][T14523] RBP: 00007ffe6184d890 R08: 0000000000000000 R09: 0000000000000000
[  823.555305][T14523] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff51
[  823.555306][T14523] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6184e000
| [  836.442397][T14694] softirqs last disabled at (18078): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  836.442401][T14694] Preemption disabled at:
| [  836.442402][T14694] vprintk_emit (kernel/printk/printk.c:2471)
| [  836.442414][T14694] Tainted: [W]=WARN
[  836.442416][T14694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  836.442418][T14694] Call Trace:
[  836.442421][T14694]  <TASK>
[  836.442423][T14694]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  836.442431][T14694]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  836.442435][T14694]  __might_resched.cold (kernel/sched/core.c:9234)
[  836.442441][T14694]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  836.442447][T14694]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  836.442454][T14694]  __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))
[  836.442457][T14694]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  836.442467][T14694]  ? 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)
[  836.442471][T14694]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  836.442477][T14694]  put_chars (drivers/char/virtio_console.c:1176)
[  836.442482][T14694]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  836.442493][T14694]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  836.442507][T14694]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  836.442513][T14694]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  836.442521][T14694]  console_emit_next_record (kernel/printk/printk.c:3183)
[  836.442528][T14694]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  836.442531][T14694]  ? 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))
[  836.442536][T14694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.442540][T14694]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  836.442547][T14694]  console_flush_one_record (kernel/printk/printk.c:3268)
[  836.442554][T14694]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  836.442557][T14694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  836.442567][T14694]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  836.442572][T14694]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  836.442575][T14694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.442578][T14694]  ? 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)
[  836.442586][T14694]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  836.442589][T14694]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  836.442595][T14694]  vprintk_emit (kernel/printk/printk.c:2479)
[  836.442600][T14694]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  836.442605][T14694]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  836.442614][T14694]  _printk (kernel/printk/printk.c:2504)
[  836.442619][T14694]  ? snapshot_read.cold (user.c:?)
[  836.442621][T14694]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  836.442626][T14694]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  836.442630][T14694]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  836.442633][T14694]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  836.442639][T14694]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  836.442643][T14694]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  836.442647][T14694]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  836.442652][T14694]  ? netdev_notice (net/core/dev.c:13194)
[  836.442657][T14694]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  836.442663][T14694]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  836.442671][T14694]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  836.442678][T14694]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  836.442682][T14694]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  836.442686][T14694]  ? register_netdev (net/core/dev.c:11618)
[  836.442688][T14694]  ? 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))
[  836.442696][T14694]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  836.442700][T14694]  ? __kernel_text_address (kernel/extable.c:79)
[  836.442704][T14694]  ? write_profile (profile.c:?)
[  836.442710][T14694]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  836.442719][T14694]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  836.442725][T14694]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  836.442729][T14694]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  836.442731][T14694]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  836.442735][T14694]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  836.442740][T14694]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  836.442744][T14694]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  836.442747][T14694]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  836.442752][T14694]  ? kasan_save_stack (mm/kasan/common.c:58)
[  836.442755][T14694]  ? kasan_save_stack (mm/kasan/common.c:57)
[  836.442758][T14694]  ? kasan_save_track (mm/kasan/common.c:78)
[  836.442760][T14694]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  836.442764][T14694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  836.442768][T14694]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  836.442772][T14694]  ? ___sys_sendmsg (net/socket.c:2758)
[  836.442778][T14694]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  836.442781][T14694]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  836.442786][T14694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.442789][T14694]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  836.442792][T14694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.442794][T14694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.442797][T14694]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  836.442801][T14694]  ? __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)
[  836.442803][T14694]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  836.442807][T14694]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  836.442813][T14694]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  836.442815][T14694]  ? nla_get_range_signed (lib/nlattr.c:270)
[  836.442824][T14694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.442829][T14694]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  836.442840][T14694]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  836.442849][T14694]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  836.442853][T14694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  836.442861][T14694]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  836.442865][T14694]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  836.442868][T14694]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  836.442872][T14694]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  836.442879][T14694]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  836.442883][T14694]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  836.442889][T14694]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  836.442891][T14694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  836.442899][T14694]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  836.442902][T14694]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  836.442909][T14694]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  836.442914][T14694]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  836.442919][T14694]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  836.442932][T14694]  ? 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))
[  836.442935][T14694]  ? 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))
[  836.442944][T14694]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  836.442951][T14694]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  836.442955][T14694]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  836.442964][T14694]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  836.442971][T14694]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  836.442978][T14694]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  836.442981][T14694]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  836.442990][T14694]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  836.442995][T14694]  ____sys_sendmsg (net/socket.c:2713)
[  836.442999][T14694]  ? copy_msghdr_from_user (net/socket.c:2650)
[  836.443003][T14694]  ? sock_write_iter (net/socket.c:1269)
[  836.443006][T14694]  ? move_addr_to_kernel (net/socket.c:258)
[  836.443021][T14694]  ___sys_sendmsg (net/socket.c:2767)
[  836.443026][T14694]  ? copy_msghdr_from_user (net/socket.c:2619)
[  836.443057][T14694]  __sys_sendmsg (net/socket.c:2799)
[  836.443062][T14694]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  836.443074][T14694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.443080][T14694]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  836.443084][T14694]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  836.443090][T14694]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  836.443093][T14694] RIP: 0033:0x7faf97b5e54e
[  836.443099][T14694] 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
[  836.443102][T14694] RSP: 002b:00007ffe9494c680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  836.443106][T14694] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faf97b5e54e
[  836.443109][T14694] RDX: 0000000000000000 RSI: 00007ffe9494c730 RDI: 0000000000000005
[  836.443111][T14694] RBP: 00007ffe9494c690 R08: 0000000000000000 R09: 0000000000000000
[  836.443112][T14694] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff5e
[  836.443114][T14694] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9494ce00
| [  849.153303][T14865] softirqs last disabled at (19324): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  849.153306][T14865] Preemption disabled at:
| [  849.153307][T14865] vprintk_emit (kernel/printk/printk.c:2471)
| [  849.153319][T14865] Tainted: [W]=WARN
[  849.153320][T14865] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  849.153322][T14865] Call Trace:
[  849.153325][T14865]  <TASK>
[  849.153327][T14865]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  849.153341][T14865]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  849.153344][T14865]  __might_resched.cold (kernel/sched/core.c:9234)
[  849.153350][T14865]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  849.153356][T14865]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  849.153363][T14865]  __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))
[  849.153366][T14865]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  849.153377][T14865]  ? 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)
[  849.153381][T14865]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  849.153387][T14865]  put_chars (drivers/char/virtio_console.c:1176)
[  849.153392][T14865]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  849.153403][T14865]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  849.153415][T14865]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  849.153420][T14865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  849.153428][T14865]  console_emit_next_record (kernel/printk/printk.c:3183)
[  849.153434][T14865]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  849.153437][T14865]  ? 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))
[  849.153443][T14865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.153447][T14865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  849.153454][T14865]  console_flush_one_record (kernel/printk/printk.c:3268)
[  849.153461][T14865]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  849.153464][T14865]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  849.153474][T14865]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  849.153478][T14865]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  849.153481][T14865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.153484][T14865]  ? 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)
[  849.153491][T14865]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  849.153494][T14865]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  849.153499][T14865]  vprintk_emit (kernel/printk/printk.c:2479)
[  849.153504][T14865]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  849.153509][T14865]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  849.153517][T14865]  _printk (kernel/printk/printk.c:2504)
[  849.153522][T14865]  ? snapshot_read.cold (user.c:?)
[  849.153525][T14865]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  849.153530][T14865]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  849.153534][T14865]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  849.153538][T14865]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  849.153544][T14865]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  849.153548][T14865]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  849.153552][T14865]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  849.153557][T14865]  ? netdev_notice (net/core/dev.c:13194)
[  849.153561][T14865]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  849.153566][T14865]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  849.153571][T14865]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  849.153577][T14865]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  849.153581][T14865]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  849.153584][T14865]  ? register_netdev (net/core/dev.c:11618)
[  849.153586][T14865]  ? 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))
[  849.153595][T14865]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  849.153599][T14865]  ? __kernel_text_address (kernel/extable.c:79)
[  849.153603][T14865]  ? write_profile (profile.c:?)
[  849.153609][T14865]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  849.153618][T14865]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  849.153624][T14865]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  849.153628][T14865]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  849.153630][T14865]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  849.153633][T14865]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  849.153639][T14865]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  849.153642][T14865]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  849.153645][T14865]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  849.153649][T14865]  ? kasan_save_stack (mm/kasan/common.c:58)
[  849.153653][T14865]  ? kasan_save_stack (mm/kasan/common.c:57)
[  849.153655][T14865]  ? kasan_save_track (mm/kasan/common.c:78)
[  849.153657][T14865]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  849.153661][T14865]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  849.153664][T14865]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  849.153673][T14865]  ? ___sys_sendmsg (net/socket.c:2758)
[  849.153679][T14865]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  849.153683][T14865]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  849.153688][T14865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.153691][T14865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  849.153694][T14865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.153696][T14865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.153700][T14865]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  849.153704][T14865]  ? __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)
[  849.153706][T14865]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  849.153710][T14865]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  849.153716][T14865]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  849.153718][T14865]  ? nla_get_range_signed (lib/nlattr.c:270)
[  849.153726][T14865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.153730][T14865]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  849.153740][T14865]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  849.153749][T14865]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  849.153753][T14865]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  849.153761][T14865]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  849.153764][T14865]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  849.153768][T14865]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  849.153771][T14865]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  849.153778][T14865]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  849.153781][T14865]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  849.153787][T14865]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  849.153789][T14865]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  849.153797][T14865]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  849.153801][T14865]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  849.153807][T14865]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  849.153811][T14865]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  849.153816][T14865]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  849.153828][T14865]  ? 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))
[  849.153831][T14865]  ? 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))
[  849.153839][T14865]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  849.153846][T14865]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  849.153851][T14865]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  849.153858][T14865]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  849.153865][T14865]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  849.153872][T14865]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  849.153875][T14865]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  849.153883][T14865]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  849.153888][T14865]  ____sys_sendmsg (net/socket.c:2713)
[  849.153892][T14865]  ? copy_msghdr_from_user (net/socket.c:2650)
[  849.153896][T14865]  ? sock_write_iter (net/socket.c:1269)
[  849.153899][T14865]  ? move_addr_to_kernel (net/socket.c:258)
[  849.153912][T14865]  ___sys_sendmsg (net/socket.c:2767)
[  849.153917][T14865]  ? copy_msghdr_from_user (net/socket.c:2619)
[  849.153947][T14865]  __sys_sendmsg (net/socket.c:2799)
[  849.153952][T14865]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  849.153963][T14865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  849.153969][T14865]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  849.153973][T14865]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  849.153977][T14865]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  849.153981][T14865] RIP: 0033:0x7faba13c254e
[  849.153986][T14865] 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
[  849.153989][T14865] RSP: 002b:00007fff38a55ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  849.153993][T14865] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faba13c254e
[  849.153995][T14865] RDX: 0000000000000000 RSI: 00007fff38a560a0 RDI: 0000000000000005
[  849.153997][T14865] RBP: 00007fff38a56000 R08: 0000000000000000 R09: 0000000000000000
[  849.153998][T14865] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff6a
[  849.154000][T14865] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff38a56770
| [  860.938663][T15036] softirqs last disabled at (19370): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  860.938666][T15036] Preemption disabled at:
| [  860.938671][T15036] vprintk_emit (kernel/printk/printk.c:2471)
| [  860.938682][T15036] Tainted: [W]=WARN
[  860.938684][T15036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  860.938686][T15036] Call Trace:
[  860.938689][T15036]  <TASK>
[  860.938691][T15036]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  860.938698][T15036]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  860.938701][T15036]  __might_resched.cold (kernel/sched/core.c:9234)
[  860.938707][T15036]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  860.938713][T15036]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  860.938719][T15036]  __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))
[  860.938723][T15036]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  860.938732][T15036]  ? 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)
[  860.938736][T15036]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  860.938742][T15036]  put_chars (drivers/char/virtio_console.c:1176)
[  860.938747][T15036]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  860.938758][T15036]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  860.938770][T15036]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  860.938775][T15036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  860.938783][T15036]  console_emit_next_record (kernel/printk/printk.c:3183)
[  860.938789][T15036]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  860.938792][T15036]  ? 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))
[  860.938798][T15036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.938802][T15036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  860.938809][T15036]  console_flush_one_record (kernel/printk/printk.c:3268)
[  860.938816][T15036]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  860.938819][T15036]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  860.938829][T15036]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  860.938833][T15036]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  860.938836][T15036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.938839][T15036]  ? 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)
[  860.938846][T15036]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  860.938849][T15036]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  860.938854][T15036]  vprintk_emit (kernel/printk/printk.c:2479)
[  860.938859][T15036]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  860.938864][T15036]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  860.938872][T15036]  _printk (kernel/printk/printk.c:2504)
[  860.938877][T15036]  ? snapshot_read.cold (user.c:?)
[  860.938880][T15036]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  860.938884][T15036]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  860.938889][T15036]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  860.938892][T15036]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  860.938897][T15036]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  860.938902][T15036]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  860.938906][T15036]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  860.938910][T15036]  ? netdev_notice (net/core/dev.c:13194)
[  860.938915][T15036]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  860.938920][T15036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  860.938924][T15036]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  860.938930][T15036]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  860.938934][T15036]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  860.938938][T15036]  ? register_netdev (net/core/dev.c:11618)
[  860.938940][T15036]  ? 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))
[  860.938949][T15036]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  860.938953][T15036]  ? __kernel_text_address (kernel/extable.c:79)
[  860.938957][T15036]  ? write_profile (profile.c:?)
[  860.938963][T15036]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  860.938972][T15036]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  860.938978][T15036]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  860.938982][T15036]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  860.938984][T15036]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  860.938988][T15036]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  860.938993][T15036]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  860.938996][T15036]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  860.938999][T15036]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  860.939003][T15036]  ? kasan_save_stack (mm/kasan/common.c:58)
[  860.939006][T15036]  ? kasan_save_stack (mm/kasan/common.c:57)
[  860.939009][T15036]  ? kasan_save_track (mm/kasan/common.c:78)
[  860.939011][T15036]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  860.939016][T15036]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  860.939019][T15036]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  860.939023][T15036]  ? ___sys_sendmsg (net/socket.c:2758)
[  860.939030][T15036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  860.939033][T15036]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  860.939038][T15036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.939041][T15036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  860.939044][T15036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.939046][T15036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.939049][T15036]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  860.939053][T15036]  ? __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)
[  860.939055][T15036]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  860.939058][T15036]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  860.939065][T15036]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  860.939067][T15036]  ? nla_get_range_signed (lib/nlattr.c:270)
[  860.939075][T15036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.939079][T15036]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  860.939089][T15036]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  860.939098][T15036]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  860.939102][T15036]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  860.939110][T15036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  860.939113][T15036]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  860.939117][T15036]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  860.939120][T15036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  860.939126][T15036]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  860.939130][T15036]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  860.939136][T15036]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  860.939139][T15036]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  860.939147][T15036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  860.939150][T15036]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  860.939156][T15036]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  860.939161][T15036]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  860.939166][T15036]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  860.939178][T15036]  ? 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))
[  860.939181][T15036]  ? 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))
[  860.939188][T15036]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  860.939195][T15036]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  860.939199][T15036]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  860.939207][T15036]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  860.939214][T15036]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  860.939221][T15036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  860.939223][T15036]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  860.939232][T15036]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  860.939236][T15036]  ____sys_sendmsg (net/socket.c:2713)
[  860.939240][T15036]  ? copy_msghdr_from_user (net/socket.c:2650)
[  860.939244][T15036]  ? sock_write_iter (net/socket.c:1269)
[  860.939247][T15036]  ? move_addr_to_kernel (net/socket.c:258)
[  860.939261][T15036]  ___sys_sendmsg (net/socket.c:2767)
[  860.939265][T15036]  ? copy_msghdr_from_user (net/socket.c:2619)
[  860.939295][T15036]  __sys_sendmsg (net/socket.c:2799)
[  860.939299][T15036]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  860.939311][T15036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.939316][T15036]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  860.939320][T15036]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  860.939325][T15036]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  860.939329][T15036] RIP: 0033:0x7fc55c81e54e
[  860.939334][T15036] 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
[  860.939337][T15036] RSP: 002b:00007ffc1e39a110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  860.939342][T15036] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc55c81e54e
[  860.939344][T15036] RDX: 0000000000000000 RSI: 00007ffc1e39a1c0 RDI: 0000000000000005
[  860.939346][T15036] RBP: 00007ffc1e39a120 R08: 0000000000000000 R09: 0000000000000000
[  860.939348][T15036] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff76
[  860.939350][T15036] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1e39a890
| [  871.713277][T15207] softirqs last disabled at (17470): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  871.713280][T15207] Preemption disabled at:
| [  871.713281][T15207] vprintk_emit (kernel/printk/printk.c:2471)
| [  871.713289][T15207] Tainted: [W]=WARN
[  871.713290][T15207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  871.713292][T15207] Call Trace:
[  871.713293][T15207]  <TASK>
[  871.713295][T15207]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  871.713301][T15207]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  871.713303][T15207]  __might_resched.cold (kernel/sched/core.c:9234)
[  871.713308][T15207]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  871.713312][T15207]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  871.713317][T15207]  __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))
[  871.713319][T15207]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  871.713326][T15207]  ? 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)
[  871.713329][T15207]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  871.713333][T15207]  put_chars (drivers/char/virtio_console.c:1176)
[  871.713336][T15207]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  871.713342][T15207]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  871.713350][T15207]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  871.713353][T15207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  871.713358][T15207]  console_emit_next_record (kernel/printk/printk.c:3183)
[  871.713362][T15207]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  871.713364][T15207]  ? 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))
[  871.713368][T15207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  871.713371][T15207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  871.713375][T15207]  console_flush_one_record (kernel/printk/printk.c:3268)
[  871.713379][T15207]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  871.713382][T15207]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  871.713387][T15207]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  871.713390][T15207]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  871.713392][T15207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  871.713394][T15207]  ? 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)
[  871.713398][T15207]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  871.713400][T15207]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  871.713403][T15207]  vprintk_emit (kernel/printk/printk.c:2479)
[  871.713406][T15207]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  871.713409][T15207]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  871.713414][T15207]  _printk (kernel/printk/printk.c:2504)
[  871.713418][T15207]  ? snapshot_read.cold (user.c:?)
[  871.713420][T15207]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  871.713423][T15207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  871.713426][T15207]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  871.713428][T15207]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  871.713432][T15207]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  871.713435][T15207]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  871.713438][T15207]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  871.713441][T15207]  ? netdev_notice (net/core/dev.c:13194)
[  871.713444][T15207]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  871.713447][T15207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  871.713449][T15207]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  871.713453][T15207]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  871.713455][T15207]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  871.713458][T15207]  ? register_netdev (net/core/dev.c:11618)
[  871.713459][T15207]  ? 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))
[  871.713465][T15207]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  871.713474][T15207]  ? __kernel_text_address (kernel/extable.c:79)
[  871.713476][T15207]  ? write_profile (profile.c:?)
[  871.713481][T15207]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  871.713487][T15207]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  871.713490][T15207]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  871.713493][T15207]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  871.713494][T15207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  871.713496][T15207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  871.713500][T15207]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  871.713502][T15207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  871.713504][T15207]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  871.713507][T15207]  ? kasan_save_stack (mm/kasan/common.c:58)
[  871.713509][T15207]  ? kasan_save_stack (mm/kasan/common.c:57)
[  871.713510][T15207]  ? kasan_save_track (mm/kasan/common.c:78)
[  871.713512][T15207]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  871.713514][T15207]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  871.713517][T15207]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  871.713520][T15207]  ? ___sys_sendmsg (net/socket.c:2758)
[  871.713524][T15207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  871.713526][T15207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  871.713529][T15207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  871.713531][T15207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  871.713533][T15207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  871.713534][T15207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  871.713536][T15207]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  871.713538][T15207]  ? __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)
[  871.713540][T15207]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  871.713542][T15207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  871.713545][T15207]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  871.713547][T15207]  ? nla_get_range_signed (lib/nlattr.c:270)
[  871.713552][T15207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  871.713555][T15207]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  871.713560][T15207]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  871.713566][T15207]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  871.713568][T15207]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  871.713572][T15207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  871.713575][T15207]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  871.713577][T15207]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  871.713579][T15207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  871.713583][T15207]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  871.713585][T15207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  871.713588][T15207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  871.713590][T15207]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  871.713595][T15207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  871.713597][T15207]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  871.713600][T15207]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  871.713604][T15207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  871.713607][T15207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  871.713614][T15207]  ? 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))
[  871.713616][T15207]  ? 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))
[  871.713620][T15207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  871.713625][T15207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  871.713627][T15207]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  871.713632][T15207]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  871.713636][T15207]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  871.713640][T15207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  871.713642][T15207]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  871.713648][T15207]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  871.713651][T15207]  ____sys_sendmsg (net/socket.c:2713)
[  871.713653][T15207]  ? copy_msghdr_from_user (net/socket.c:2650)
[  871.713656][T15207]  ? sock_write_iter (net/socket.c:1269)
[  871.713658][T15207]  ? move_addr_to_kernel (net/socket.c:258)
[  871.713665][T15207]  ___sys_sendmsg (net/socket.c:2767)
[  871.713671][T15207]  ? copy_msghdr_from_user (net/socket.c:2619)
[  871.713687][T15207]  __sys_sendmsg (net/socket.c:2799)
[  871.713690][T15207]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  871.713697][T15207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  871.713700][T15207]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  871.713703][T15207]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  871.713706][T15207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  871.713709][T15207] RIP: 0033:0x7faaf9f4954e
[  871.713713][T15207] 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
[  871.713715][T15207] RSP: 002b:00007ffe23cd81c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  871.713718][T15207] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faaf9f4954e
[  871.713720][T15207] RDX: 0000000000000000 RSI: 00007ffe23cd8270 RDI: 0000000000000005
[  871.713721][T15207] RBP: 00007ffe23cd81d0 R08: 0000000000000000 R09: 0000000000000000
[  871.713722][T15207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff81
[  871.713723][T15207] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe23cd8940
| [  882.347132][T15378] softirqs last disabled at (15538): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  882.347135][T15378] Preemption disabled at:
| [  882.347136][T15378] vprintk_emit (kernel/printk/printk.c:2471)
| [  882.347145][T15378] Tainted: [W]=WARN
[  882.347146][T15378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  882.347147][T15378] Call Trace:
[  882.347149][T15378]  <TASK>
[  882.347151][T15378]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  882.347157][T15378]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  882.347159][T15378]  __might_resched.cold (kernel/sched/core.c:9234)
[  882.347163][T15378]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  882.347167][T15378]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  882.347172][T15378]  __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))
[  882.347174][T15378]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  882.347182][T15378]  ? 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)
[  882.347186][T15378]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  882.347191][T15378]  put_chars (drivers/char/virtio_console.c:1176)
[  882.347194][T15378]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  882.347200][T15378]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  882.347208][T15378]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  882.347211][T15378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  882.347216][T15378]  console_emit_next_record (kernel/printk/printk.c:3183)
[  882.347220][T15378]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  882.347222][T15378]  ? 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))
[  882.347225][T15378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  882.347228][T15378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  882.347232][T15378]  console_flush_one_record (kernel/printk/printk.c:3268)
[  882.347237][T15378]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  882.347239][T15378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  882.347244][T15378]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  882.347247][T15378]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  882.347249][T15378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  882.347251][T15378]  ? 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)
[  882.347255][T15378]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  882.347257][T15378]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  882.347260][T15378]  vprintk_emit (kernel/printk/printk.c:2479)
[  882.347263][T15378]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  882.347265][T15378]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  882.347271][T15378]  _printk (kernel/printk/printk.c:2504)
[  882.347274][T15378]  ? snapshot_read.cold (user.c:?)
[  882.347276][T15378]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  882.347279][T15378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  882.347282][T15378]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  882.347284][T15378]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  882.347288][T15378]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  882.347291][T15378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  882.347293][T15378]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  882.347297][T15378]  ? netdev_notice (net/core/dev.c:13194)
[  882.347299][T15378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  882.347303][T15378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  882.347305][T15378]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  882.347309][T15378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  882.347311][T15378]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  882.347313][T15378]  ? register_netdev (net/core/dev.c:11618)
[  882.347315][T15378]  ? 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))
[  882.347321][T15378]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  882.347323][T15378]  ? __kernel_text_address (kernel/extable.c:79)
[  882.347326][T15378]  ? write_profile (profile.c:?)
[  882.347331][T15378]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  882.347337][T15378]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  882.347340][T15378]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  882.347342][T15378]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  882.347344][T15378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  882.347346][T15378]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  882.347350][T15378]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  882.347352][T15378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  882.347354][T15378]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  882.347356][T15378]  ? kasan_save_stack (mm/kasan/common.c:58)
[  882.347358][T15378]  ? kasan_save_stack (mm/kasan/common.c:57)
[  882.347360][T15378]  ? kasan_save_track (mm/kasan/common.c:78)
[  882.347361][T15378]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  882.347364][T15378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  882.347366][T15378]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  882.347369][T15378]  ? ___sys_sendmsg (net/socket.c:2758)
[  882.347373][T15378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  882.347375][T15378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  882.347378][T15378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  882.347380][T15378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  882.347382][T15378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  882.347383][T15378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  882.347385][T15378]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  882.347387][T15378]  ? __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)
[  882.347388][T15378]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  882.347391][T15378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  882.347394][T15378]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  882.347395][T15378]  ? nla_get_range_signed (lib/nlattr.c:270)
[  882.347400][T15378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  882.347403][T15378]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  882.347408][T15378]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  882.347413][T15378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  882.347415][T15378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  882.347420][T15378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  882.347422][T15378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  882.347424][T15378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  882.347426][T15378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  882.347430][T15378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  882.347432][T15378]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  882.347435][T15378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  882.347437][T15378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  882.347442][T15378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  882.347444][T15378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  882.347447][T15378]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  882.347450][T15378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  882.347453][T15378]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  882.347460][T15378]  ? 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))
[  882.347462][T15378]  ? 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))
[  882.347467][T15378]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  882.347471][T15378]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  882.347474][T15378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  882.347478][T15378]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  882.347482][T15378]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  882.347486][T15378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  882.347488][T15378]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  882.347493][T15378]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  882.347496][T15378]  ____sys_sendmsg (net/socket.c:2713)
[  882.347499][T15378]  ? copy_msghdr_from_user (net/socket.c:2650)
[  882.347501][T15378]  ? sock_write_iter (net/socket.c:1269)
[  882.347503][T15378]  ? move_addr_to_kernel (net/socket.c:258)
[  882.347510][T15378]  ___sys_sendmsg (net/socket.c:2767)
[  882.347513][T15378]  ? copy_msghdr_from_user (net/socket.c:2619)
[  882.347529][T15378]  __sys_sendmsg (net/socket.c:2799)
[  882.347539][T15378]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  882.347545][T15378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  882.347548][T15378]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  882.347551][T15378]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  882.347554][T15378]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  882.347557][T15378] RIP: 0033:0x7f454988954e
[  882.347561][T15378] 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
[  882.347563][T15378] RSP: 002b:00007ffd54e301a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  882.347566][T15378] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f454988954e
[  882.347567][T15378] RDX: 0000000000000000 RSI: 00007ffd54e30250 RDI: 0000000000000005
[  882.347568][T15378] RBP: 00007ffd54e301b0 R08: 0000000000000000 R09: 0000000000000000
[  882.347569][T15378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff8c
[  882.347570][T15378] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd54e30920
| [  892.964253][T15549] softirqs last disabled at (23398): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  892.964256][T15549] Preemption disabled at:
| [  892.964257][T15549] vprintk_emit (kernel/printk/printk.c:2471)
| [  892.964266][T15549] Tainted: [W]=WARN
[  892.964266][T15549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  892.964268][T15549] Call Trace:
[  892.964270][T15549]  <TASK>
[  892.964271][T15549]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  892.964278][T15549]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  892.964280][T15549]  __might_resched.cold (kernel/sched/core.c:9234)
[  892.964284][T15549]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  892.964289][T15549]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  892.964293][T15549]  __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))
[  892.964295][T15549]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  892.964302][T15549]  ? 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)
[  892.964305][T15549]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  892.964309][T15549]  put_chars (drivers/char/virtio_console.c:1176)
[  892.964312][T15549]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  892.964319][T15549]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  892.964327][T15549]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  892.964330][T15549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  892.964335][T15549]  console_emit_next_record (kernel/printk/printk.c:3183)
[  892.964339][T15549]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  892.964341][T15549]  ? 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))
[  892.964345][T15549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.964348][T15549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  892.964352][T15549]  console_flush_one_record (kernel/printk/printk.c:3268)
[  892.964357][T15549]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  892.964359][T15549]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  892.964364][T15549]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  892.964367][T15549]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  892.964370][T15549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.964371][T15549]  ? 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)
[  892.964375][T15549]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  892.964377][T15549]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  892.964380][T15549]  vprintk_emit (kernel/printk/printk.c:2479)
[  892.964384][T15549]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  892.964387][T15549]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  892.964392][T15549]  _printk (kernel/printk/printk.c:2504)
[  892.964396][T15549]  ? snapshot_read.cold (user.c:?)
[  892.964398][T15549]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  892.964401][T15549]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  892.964404][T15549]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  892.964406][T15549]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  892.964410][T15549]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  892.964413][T15549]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  892.964416][T15549]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  892.964419][T15549]  ? netdev_notice (net/core/dev.c:13194)
[  892.964422][T15549]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  892.964425][T15549]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  892.964428][T15549]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  892.964431][T15549]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  892.964434][T15549]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  892.964436][T15549]  ? register_netdev (net/core/dev.c:11618)
[  892.964438][T15549]  ? 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))
[  892.964443][T15549]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  892.964446][T15549]  ? __kernel_text_address (kernel/extable.c:79)
[  892.964449][T15549]  ? write_profile (profile.c:?)
[  892.964453][T15549]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  892.964460][T15549]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  892.964463][T15549]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  892.964465][T15549]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  892.964467][T15549]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  892.964469][T15549]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  892.964473][T15549]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  892.964475][T15549]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  892.964477][T15549]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  892.964479][T15549]  ? kasan_save_stack (mm/kasan/common.c:58)
[  892.964482][T15549]  ? kasan_save_stack (mm/kasan/common.c:57)
[  892.964483][T15549]  ? kasan_save_track (mm/kasan/common.c:78)
[  892.964484][T15549]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  892.964487][T15549]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  892.964489][T15549]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  892.964492][T15549]  ? ___sys_sendmsg (net/socket.c:2758)
[  892.964497][T15549]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  892.964499][T15549]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  892.964502][T15549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.964504][T15549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  892.964506][T15549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.964507][T15549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.964509][T15549]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  892.964511][T15549]  ? __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)
[  892.964513][T15549]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  892.964515][T15549]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  892.964518][T15549]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  892.964520][T15549]  ? nla_get_range_signed (lib/nlattr.c:270)
[  892.964525][T15549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.964528][T15549]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  892.964533][T15549]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  892.964539][T15549]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  892.964541][T15549]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  892.964546][T15549]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  892.964548][T15549]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  892.964550][T15549]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  892.964552][T15549]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  892.964556][T15549]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  892.964558][T15549]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  892.964562][T15549]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  892.964563][T15549]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  892.964568][T15549]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  892.964570][T15549]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  892.964574][T15549]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  892.964577][T15549]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  892.964580][T15549]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  892.964587][T15549]  ? 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))
[  892.964589][T15549]  ? 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))
[  892.964594][T15549]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  892.964604][T15549]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  892.964607][T15549]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  892.964612][T15549]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  892.964616][T15549]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  892.964620][T15549]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  892.964622][T15549]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  892.964628][T15549]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  892.964631][T15549]  ____sys_sendmsg (net/socket.c:2713)
[  892.964633][T15549]  ? copy_msghdr_from_user (net/socket.c:2650)
[  892.964636][T15549]  ? sock_write_iter (net/socket.c:1269)
[  892.964638][T15549]  ? move_addr_to_kernel (net/socket.c:258)
[  892.964645][T15549]  ___sys_sendmsg (net/socket.c:2767)
[  892.964648][T15549]  ? copy_msghdr_from_user (net/socket.c:2619)
[  892.964664][T15549]  __sys_sendmsg (net/socket.c:2799)
[  892.964667][T15549]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  892.964677][T15549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  892.964680][T15549]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  892.964683][T15549]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  892.964686][T15549]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  892.964688][T15549] RIP: 0033:0x7f33f001f54e
[  892.964692][T15549] 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
[  892.964694][T15549] RSP: 002b:00007ffd058d1ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  892.964698][T15549] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f33f001f54e
[  892.964699][T15549] RDX: 0000000000000000 RSI: 00007ffd058d1c50 RDI: 0000000000000005
[  892.964700][T15549] RBP: 00007ffd058d1bb0 R08: 0000000000000000 R09: 0000000000000000
[  892.964701][T15549] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff96


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