======================================
| [   11.703747][  T246] softirqs last disabled at (28848): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.703750][  T246] Preemption disabled at:
| [   11.703750][  T246] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.703759][  T246] Tainted: [W]=WARN
[   11.703760][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.703761][  T246] Call Trace:
[   11.703763][  T246]  <TASK>
[   11.703764][  T246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.703770][  T246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.703772][  T246]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.703776][  T246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.703780][  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)
[   11.703784][  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))
[   11.703786][  T246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.703793][  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)
[   11.703796][  T246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.703799][  T246]  put_chars (drivers/char/virtio_console.c:1176)
[   11.703802][  T246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.703808][  T246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.703816][  T246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.703819][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.703823][  T246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.703830][  T246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.703832][  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))
[   11.703835][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.703838][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.703842][  T246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.703846][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.703847][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.703852][  T246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.703855][  T246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.703857][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.703859][  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)
[   11.703862][  T246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.703864][  T246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.703867][  T246]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.703869][  T246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.703872][  T246]  ? save_trace (kernel/locking/lockdep.c:589)
[   11.703876][  T246]  _printk (kernel/printk/printk.c:2504)
[   11.703879][  T246]  ? snapshot_read.cold (user.c:?)
[   11.703883][  T246]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.703885][  T246]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.703889][  T246]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.703891][  T246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.703893][  T246]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.703896][  T246]  ? netdev_notice (net/core/dev.c:13194)
[   11.703899][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.703902][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.703904][  T246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.703907][  T246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.703909][  T246]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.703911][  T246]  ? register_netdev (net/core/dev.c:11618)
[   11.703913][  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))
[   11.703918][  T246]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.703920][  T246]  ? __kernel_text_address (kernel/extable.c:79)
[   11.703923][  T246]  ? write_profile (profile.c:?)
[   11.703927][  T246]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.703933][  T246]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.703936][  T246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.703938][  T246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.703939][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.703942][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.703945][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.703947][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.703949][  T246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.703951][  T246]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.703953][  T246]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.703954][  T246]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.703955][  T246]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.703958][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.703959][  T246]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.703962][  T246]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.703966][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.703968][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.703970][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.703972][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.703974][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.703975][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.703976][  T246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.703978][  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)
[   11.703981][  T246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.703983][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.703986][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.703987][  T246]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.703992][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.703994][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.703999][  T246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.704005][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.704006][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.704011][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.704013][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.704015][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.704016][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.704020][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.704022][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.704025][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.704026][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.704031][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.704032][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.704036][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.704039][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.704042][  T246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.704048][  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))
[   11.704050][  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))
[   11.704054][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.704058][  T246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.704061][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.704065][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.704069][  T246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.704072][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.704074][  T246]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.704079][  T246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.704082][  T246]  ____sys_sendmsg (net/socket.c:2713)
[   11.704084][  T246]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.704086][  T246]  ? sock_write_iter (net/socket.c:1269)
[   11.704088][  T246]  ? move_addr_to_kernel (net/socket.c:258)
[   11.704095][  T246]  ___sys_sendmsg (net/socket.c:2767)
[   11.704097][  T246]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.704113][  T246]  __sys_sendmsg (net/socket.c:2799)
[   11.704116][  T246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.704122][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.704125][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.704128][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.704130][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.704132][  T246] RIP: 0033:0x7f5ec00b954e
[   11.704136][  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
[   11.704137][  T246] RSP: 002b:00007ffe6da31970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.704140][  T246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5ec00b954e
[   11.704141][  T246] RDX: 0000000000000000 RSI: 00007ffe6da31a20 RDI: 0000000000000005
[   11.704142][  T246] RBP: 00007ffe6da31980 R08: 0000000000000000 R09: 0000000000000000
[   11.704143][  T246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e09
[   11.704144][  T246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6da320f0
| [   30.132746][  T642] softirqs last disabled at (30906): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   30.132749][  T642] Preemption disabled at:
| [   30.132749][  T642] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.132758][  T642] Tainted: [W]=WARN
[   30.132758][  T642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.132760][  T642] Call Trace:
[   30.132762][  T642]  <TASK>
[   30.132763][  T642]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.132770][  T642]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.132771][  T642]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.132776][  T642]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.132780][  T642]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.132784][  T642]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   30.132786][  T642]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.132793][  T642]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.132795][  T642]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.132799][  T642]  put_chars (drivers/char/virtio_console.c:1176)
[   30.132802][  T642]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.132808][  T642]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.132816][  T642]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.132819][  T642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.132824][  T642]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.132831][  T642]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.132833][  T642]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   30.132836][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.132839][  T642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.132843][  T642]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.132847][  T642]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.132849][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.132855][  T642]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.132858][  T642]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.132860][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.132861][  T642]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   30.132865][  T642]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.132867][  T642]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.132870][  T642]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.132873][  T642]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.132876][  T642]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   30.132881][  T642]  _printk (kernel/printk/printk.c:2504)
[   30.132884][  T642]  ? snapshot_read.cold (user.c:?)
[   30.132886][  T642]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.132889][  T642]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.132892][  T642]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.132894][  T642]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.132898][  T642]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.132900][  T642]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.132903][  T642]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.132906][  T642]  ? netdev_notice (net/core/dev.c:13194)
[   30.132909][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.132912][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.132914][  T642]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.132918][  T642]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.132920][  T642]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   30.132922][  T642]  ? register_netdev (net/core/dev.c:11618)
[   30.132923][  T642]  ? 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))
[   30.132929][  T642]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   30.132931][  T642]  ? __kernel_text_address (kernel/extable.c:79)
[   30.132934][  T642]  ? write_profile (profile.c:?)
[   30.132938][  T642]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   30.132943][  T642]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.132947][  T642]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.132949][  T642]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.132950][  T642]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.132952][  T642]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.132956][  T642]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.132958][  T642]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.132959][  T642]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.132962][  T642]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.132964][  T642]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.132965][  T642]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.132966][  T642]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.132969][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.132971][  T642]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   30.132974][  T642]  ? ___sys_sendmsg (net/socket.c:2758)
[   30.132977][  T642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.132979][  T642]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.132982][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.132984][  T642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.132985][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.132986][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.132988][  T642]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.132991][  T642]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   30.132992][  T642]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.132994][  T642]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.132997][  T642]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.132999][  T642]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.133004][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.133006][  T642]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.133011][  T642]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.133016][  T642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.133018][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.133023][  T642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.133025][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.133027][  T642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.133029][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.133033][  T642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.133035][  T642]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.133038][  T642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.133039][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.133044][  T642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.133046][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.133049][  T642]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.133053][  T642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.133056][  T642]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.133062][  T642]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.133064][  T642]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.133069][  T642]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.133073][  T642]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.133075][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.133080][  T642]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.133084][  T642]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.133088][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.133089][  T642]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   30.133095][  T642]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   30.133098][  T642]  ____sys_sendmsg (net/socket.c:2713)
[   30.133100][  T642]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.133102][  T642]  ? sock_write_iter (net/socket.c:1269)
[   30.133104][  T642]  ? move_addr_to_kernel (net/socket.c:258)
[   30.133112][  T642]  ___sys_sendmsg (net/socket.c:2767)
[   30.133114][  T642]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.133131][  T642]  __sys_sendmsg (net/socket.c:2799)
[   30.133134][  T642]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.133140][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.133143][  T642]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.133146][  T642]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.133149][  T642]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.133151][  T642] RIP: 0033:0x7f6f2864054e
[   30.133155][  T642] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.133157][  T642] RSP: 002b:00007ffc93aa6a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.133159][  T642] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6f2864054e
[   30.133161][  T642] RDX: 0000000000000000 RSI: 00007ffc93aa6ac0 RDI: 0000000000000005
[   30.133162][  T642] RBP: 00007ffc93aa6a20 R08: 0000000000000000 R09: 0000000000000000
[   30.133163][  T642] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e1c
[   30.133163][  T642] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc93aa7190
| [   49.780486][ T1037] softirqs last disabled at (19662): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   49.780488][ T1037] Preemption disabled at:
| [   49.780489][ T1037] vprintk_emit (kernel/printk/printk.c:2471)
| [   49.780498][ T1037] Tainted: [W]=WARN
[   49.780499][ T1037] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.780500][ T1037] Call Trace:
[   49.780502][ T1037]  <TASK>
[   49.780503][ T1037]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.780510][ T1037]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   49.780511][ T1037]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.780515][ T1037]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.780519][ T1037]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   49.780524][ T1037]  __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))
[   49.780526][ T1037]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.780533][ T1037]  ? 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)
[   49.780535][ T1037]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.780539][ T1037]  put_chars (drivers/char/virtio_console.c:1176)
[   49.780541][ T1037]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.780548][ T1037]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.780555][ T1037]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.780559][ T1037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.780563][ T1037]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.780567][ T1037]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.780569][ T1037]  ? 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))
[   49.780572][ T1037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.780575][ T1037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.780579][ T1037]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.780583][ T1037]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.780585][ T1037]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.780591][ T1037]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.780594][ T1037]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.780595][ T1037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.780597][ T1037]  ? 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)
[   49.780601][ T1037]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.780603][ T1037]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.780605][ T1037]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.780609][ T1037]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.780611][ T1037]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   49.780616][ T1037]  _printk (kernel/printk/printk.c:2504)
[   49.780620][ T1037]  ? snapshot_read.cold (user.c:?)
[   49.780622][ T1037]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.780625][ T1037]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.780627][ T1037]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.780630][ T1037]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   49.780633][ T1037]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   49.780636][ T1037]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.780638][ T1037]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   49.780641][ T1037]  ? netdev_notice (net/core/dev.c:13194)
[   49.780644][ T1037]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.780647][ T1037]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.780649][ T1037]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   49.780653][ T1037]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.780655][ T1037]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   49.780657][ T1037]  ? register_netdev (net/core/dev.c:11618)
[   49.780658][ T1037]  ? 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))
[   49.780664][ T1037]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   49.780666][ T1037]  ? __kernel_text_address (kernel/extable.c:79)
[   49.780669][ T1037]  ? write_profile (profile.c:?)
[   49.780673][ T1037]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   49.780679][ T1037]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.780682][ T1037]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   49.780684][ T1037]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   49.780685][ T1037]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   49.780687][ T1037]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.780696][ T1037]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.780698][ T1037]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.780699][ T1037]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.780702][ T1037]  ? kasan_save_stack (mm/kasan/common.c:58)
[   49.780704][ T1037]  ? kasan_save_stack (mm/kasan/common.c:57)
[   49.780705][ T1037]  ? kasan_save_track (mm/kasan/common.c:78)
[   49.780706][ T1037]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   49.780709][ T1037]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.780711][ T1037]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   49.780713][ T1037]  ? ___sys_sendmsg (net/socket.c:2758)
[   49.780717][ T1037]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.780719][ T1037]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.780722][ T1037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.780723][ T1037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.780725][ T1037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.780726][ T1037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.780728][ T1037]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   49.780730][ T1037]  ? __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)
[   49.780732][ T1037]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   49.780733][ T1037]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.780737][ T1037]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   49.780738][ T1037]  ? nla_get_range_signed (lib/nlattr.c:270)
[   49.780743][ T1037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.780745][ T1037]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   49.780750][ T1037]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.780756][ T1037]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.780757][ T1037]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.780762][ T1037]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.780764][ T1037]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.780766][ T1037]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.780767][ T1037]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.780771][ T1037]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.780773][ T1037]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.780776][ T1037]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.780777][ T1037]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.780782][ T1037]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.780784][ T1037]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.780787][ T1037]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.780791][ T1037]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.780794][ T1037]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.780800][ T1037]  ? 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))
[   49.780802][ T1037]  ? 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))
[   49.780807][ T1037]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.780811][ T1037]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.780813][ T1037]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.780817][ T1037]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.780821][ T1037]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.780828][ T1037]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.780829][ T1037]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   49.780835][ T1037]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   49.780838][ T1037]  ____sys_sendmsg (net/socket.c:2713)
[   49.780840][ T1037]  ? copy_msghdr_from_user (net/socket.c:2650)
[   49.780842][ T1037]  ? sock_write_iter (net/socket.c:1269)
[   49.780844][ T1037]  ? move_addr_to_kernel (net/socket.c:258)
[   49.780851][ T1037]  ___sys_sendmsg (net/socket.c:2767)
[   49.780854][ T1037]  ? copy_msghdr_from_user (net/socket.c:2619)
[   49.780870][ T1037]  __sys_sendmsg (net/socket.c:2799)
[   49.780873][ T1037]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   49.780879][ T1037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.780882][ T1037]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.780885][ T1037]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.780888][ T1037]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.780890][ T1037] RIP: 0033:0x7f6f7664954e
[   49.780894][ T1037] 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
[   49.780896][ T1037] RSP: 002b:00007ffd6ab3a430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.780899][ T1037] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6f7664954e
[   49.780900][ T1037] RDX: 0000000000000000 RSI: 00007ffd6ab3a4e0 RDI: 0000000000000005
[   49.780901][ T1037] RBP: 00007ffd6ab3a440 R08: 0000000000000000 R09: 0000000000000000
[   49.780902][ T1037] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e30
[   49.780903][ T1037] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6ab3abb0
| [   68.011976][ T1430] softirqs last disabled at (22920): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   68.011979][ T1430] Preemption disabled at:
| [   68.011980][ T1430] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.011991][ T1430] Tainted: [W]=WARN
[   68.011992][ T1430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.011994][ T1430] Call Trace:
[   68.011996][ T1430]  <TASK>
[   68.011998][ T1430]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.012006][ T1430]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.012008][ T1430]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.012014][ T1430]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.012020][ T1430]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   68.012027][ T1430]  __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))
[   68.012030][ T1430]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.012040][ T1430]  ? 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)
[   68.012043][ T1430]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.012049][ T1430]  put_chars (drivers/char/virtio_console.c:1176)
[   68.012053][ T1430]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.012064][ T1430]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.012076][ T1430]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.012081][ T1430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.012088][ T1430]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.012094][ T1430]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.012097][ T1430]  ? 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))
[   68.012102][ T1430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.012106][ T1430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.012113][ T1430]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.012120][ T1430]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.012122][ T1430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.012131][ T1430]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.012136][ T1430]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.012138][ T1430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.012141][ T1430]  ? 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)
[   68.012147][ T1430]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.012150][ T1430]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.012155][ T1430]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.012160][ T1430]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.012164][ T1430]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   68.012172][ T1430]  _printk (kernel/printk/printk.c:2504)
[   68.012177][ T1430]  ? snapshot_read.cold (user.c:?)
[   68.012180][ T1430]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.012185][ T1430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.012188][ T1430]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.012192][ T1430]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   68.012197][ T1430]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   68.012202][ T1430]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   68.012205][ T1430]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   68.012209][ T1430]  ? netdev_notice (net/core/dev.c:13194)
[   68.012214][ T1430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.012219][ T1430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.012223][ T1430]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   68.012228][ T1430]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   68.012232][ T1430]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   68.012235][ T1430]  ? register_netdev (net/core/dev.c:11618)
[   68.012238][ T1430]  ? 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))
[   68.012246][ T1430]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   68.012250][ T1430]  ? __kernel_text_address (kernel/extable.c:79)
[   68.012253][ T1430]  ? write_profile (profile.c:?)
[   68.012259][ T1430]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.012268][ T1430]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   68.012274][ T1430]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   68.012277][ T1430]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   68.012279][ T1430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.012282][ T1430]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.012287][ T1430]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.012290][ T1430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.012293][ T1430]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.012297][ T1430]  ? kasan_save_stack (mm/kasan/common.c:58)
[   68.012300][ T1430]  ? kasan_save_stack (mm/kasan/common.c:57)
[   68.012302][ T1430]  ? kasan_save_track (mm/kasan/common.c:78)
[   68.012304][ T1430]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   68.012308][ T1430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.012311][ T1430]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   68.012315][ T1430]  ? ___sys_sendmsg (net/socket.c:2758)
[   68.012321][ T1430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.012324][ T1430]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   68.012328][ T1430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.012331][ T1430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.012333][ T1430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.012335][ T1430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.012338][ T1430]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   68.012342][ T1430]  ? __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)
[   68.012344][ T1430]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   68.012347][ T1430]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   68.012353][ T1430]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   68.012355][ T1430]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.012363][ T1430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.012367][ T1430]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   68.012376][ T1430]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.012386][ T1430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.012389][ T1430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.012397][ T1430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.012400][ T1430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.012403][ T1430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.012406][ T1430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.012413][ T1430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.012416][ T1430]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.012422][ T1430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.012424][ T1430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.012431][ T1430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.012434][ T1430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.012440][ T1430]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.012445][ T1430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.012450][ T1430]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.012461][ T1430]  ? 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))
[   68.012464][ T1430]  ? 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))
[   68.012472][ T1430]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.012479][ T1430]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.012483][ T1430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.012490][ T1430]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.012497][ T1430]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.012503][ T1430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.012506][ T1430]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   68.012514][ T1430]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   68.012519][ T1430]  ____sys_sendmsg (net/socket.c:2713)
[   68.012522][ T1430]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.012526][ T1430]  ? sock_write_iter (net/socket.c:1269)
[   68.012528][ T1430]  ? move_addr_to_kernel (net/socket.c:258)
[   68.012542][ T1430]  ___sys_sendmsg (net/socket.c:2767)
[   68.012546][ T1430]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.012576][ T1430]  __sys_sendmsg (net/socket.c:2799)
[   68.012580][ T1430]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.012591][ T1430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.012597][ T1430]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.012601][ T1430]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.012606][ T1430]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.012609][ T1430] RIP: 0033:0x7f9fe2a8c54e
[   68.012613][ T1430] 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
[   68.012616][ T1430] RSP: 002b:00007ffd77d20710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.012619][ T1430] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9fe2a8c54e
[   68.012621][ T1430] RDX: 0000000000000000 RSI: 00007ffd77d207c0 RDI: 0000000000000005
[   68.012623][ T1430] RBP: 00007ffd77d20720 R08: 0000000000000000 R09: 0000000000000000
[   68.012624][ T1430] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e42
[   68.012626][ T1430] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd77d20e90
| [   84.781794][ T1838] softirqs last disabled at (22084): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   84.781798][ T1838] Preemption disabled at:
| [   84.781799][ T1838] vprintk_emit (kernel/printk/printk.c:2471)
| [   84.781810][ T1838] Tainted: [W]=WARN
[   84.781811][ T1838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.781813][ T1838] Call Trace:
[   84.781816][ T1838]  <TASK>
[   84.781823][ T1838]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   84.781833][ T1838]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   84.781836][ T1838]  __might_resched.cold (kernel/sched/core.c:9234)
[   84.781842][ T1838]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   84.781848][ T1838]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   84.781854][ T1838]  __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))
[   84.781858][ T1838]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.781867][ T1838]  ? 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)
[   84.781871][ T1838]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.781877][ T1838]  put_chars (drivers/char/virtio_console.c:1176)
[   84.781881][ T1838]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   84.781892][ T1838]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   84.781904][ T1838]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   84.781909][ T1838]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.781917][ T1838]  console_emit_next_record (kernel/printk/printk.c:3183)
[   84.781923][ T1838]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   84.781926][ T1838]  ? 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))
[   84.781931][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.781936][ T1838]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.781942][ T1838]  console_flush_one_record (kernel/printk/printk.c:3268)
[   84.781950][ T1838]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   84.781952][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.781961][ T1838]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   84.781965][ T1838]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   84.781968][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.781970][ T1838]  ? 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)
[   84.781976][ T1838]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   84.781979][ T1838]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   84.781984][ T1838]  vprintk_emit (kernel/printk/printk.c:2479)
[   84.781989][ T1838]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   84.781994][ T1838]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   84.782002][ T1838]  _printk (kernel/printk/printk.c:2504)
[   84.782007][ T1838]  ? snapshot_read.cold (user.c:?)
[   84.782010][ T1838]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   84.782015][ T1838]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   84.782018][ T1838]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   84.782022][ T1838]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   84.782027][ T1838]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   84.782031][ T1838]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   84.782035][ T1838]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   84.782039][ T1838]  ? netdev_notice (net/core/dev.c:13194)
[   84.782043][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.782048][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.782052][ T1838]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   84.782058][ T1838]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   84.782061][ T1838]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   84.782065][ T1838]  ? register_netdev (net/core/dev.c:11618)
[   84.782067][ T1838]  ? 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))
[   84.782075][ T1838]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   84.782078][ T1838]  ? __kernel_text_address (kernel/extable.c:79)
[   84.782082][ T1838]  ? write_profile (profile.c:?)
[   84.782088][ T1838]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   84.782097][ T1838]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   84.782103][ T1838]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   84.782107][ T1838]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   84.782109][ T1838]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   84.782112][ T1838]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   84.782116][ T1838]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   84.782119][ T1838]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   84.782122][ T1838]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   84.782126][ T1838]  ? kasan_save_stack (mm/kasan/common.c:58)
[   84.782129][ T1838]  ? kasan_save_stack (mm/kasan/common.c:57)
[   84.782131][ T1838]  ? kasan_save_track (mm/kasan/common.c:78)
[   84.782133][ T1838]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   84.782137][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.782140][ T1838]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   84.782144][ T1838]  ? ___sys_sendmsg (net/socket.c:2758)
[   84.782150][ T1838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.782153][ T1838]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   84.782158][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.782161][ T1838]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.782163][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.782165][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.782168][ T1838]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   84.782172][ T1838]  ? __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)
[   84.782174][ T1838]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   84.782178][ T1838]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   84.782184][ T1838]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   84.782186][ T1838]  ? nla_get_range_signed (lib/nlattr.c:270)
[   84.782194][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.782198][ T1838]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   84.782208][ T1838]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   84.782218][ T1838]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   84.782221][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.782229][ T1838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.782232][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.782235][ T1838]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   84.782238][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.782245][ T1838]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   84.782248][ T1838]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   84.782254][ T1838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.782256][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.782264][ T1838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.782267][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.782273][ T1838]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   84.782277][ T1838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.782282][ T1838]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   84.782294][ T1838]  ? 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))
[   84.782297][ T1838]  ? 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))
[   84.782305][ T1838]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   84.782312][ T1838]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.782316][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.782323][ T1838]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   84.782330][ T1838]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   84.782337][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.782339][ T1838]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   84.782347][ T1838]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   84.782352][ T1838]  ____sys_sendmsg (net/socket.c:2713)
[   84.782356][ T1838]  ? copy_msghdr_from_user (net/socket.c:2650)
[   84.782359][ T1838]  ? sock_write_iter (net/socket.c:1269)
[   84.782361][ T1838]  ? move_addr_to_kernel (net/socket.c:258)
[   84.782375][ T1838]  ___sys_sendmsg (net/socket.c:2767)
[   84.782380][ T1838]  ? copy_msghdr_from_user (net/socket.c:2619)
[   84.782410][ T1838]  __sys_sendmsg (net/socket.c:2799)
[   84.782415][ T1838]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   84.782426][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.782431][ T1838]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   84.782435][ T1838]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   84.782440][ T1838]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.782443][ T1838] RIP: 0033:0x7f2b9b2de54e
[   84.782448][ T1838] 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
[   84.782450][ T1838] RSP: 002b:00007fffdf2775f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   84.782454][ T1838] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2b9b2de54e
[   84.782456][ T1838] RDX: 0000000000000000 RSI: 00007fffdf2776a0 RDI: 0000000000000005
[   84.782458][ T1838] RBP: 00007fffdf277600 R08: 0000000000000000 R09: 0000000000000000
[   84.782459][ T1838] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e53
[   84.782460][ T1838] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdf277d70
| [   99.239479][ T2247] softirqs last disabled at (24902): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   99.239482][ T2247] Preemption disabled at:
| [   99.239482][ T2247] vprintk_emit (kernel/printk/printk.c:2471)
| [   99.239491][ T2247] Tainted: [W]=WARN
[   99.239492][ T2247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.239493][ T2247] Call Trace:
[   99.239495][ T2247]  <TASK>
[   99.239496][ T2247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   99.239502][ T2247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   99.239504][ T2247]  __might_resched.cold (kernel/sched/core.c:9234)
[   99.239508][ T2247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   99.239512][ T2247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   99.239516][ T2247]  __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))
[   99.239518][ T2247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.239525][ T2247]  ? 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)
[   99.239527][ T2247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.239531][ T2247]  put_chars (drivers/char/virtio_console.c:1176)
[   99.239533][ T2247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   99.239539][ T2247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   99.239547][ T2247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   99.239550][ T2247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.239554][ T2247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   99.239558][ T2247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   99.239560][ T2247]  ? 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))
[   99.239563][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.239566][ T2247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.239570][ T2247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   99.239574][ T2247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   99.239575][ T2247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.239581][ T2247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   99.239583][ T2247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   99.239585][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.239587][ T2247]  ? 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)
[   99.239590][ T2247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   99.239592][ T2247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   99.239595][ T2247]  vprintk_emit (kernel/printk/printk.c:2479)
[   99.239598][ T2247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   99.239601][ T2247]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   99.239606][ T2247]  _printk (kernel/printk/printk.c:2504)
[   99.239610][ T2247]  ? snapshot_read.cold (user.c:?)
[   99.239611][ T2247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   99.239614][ T2247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.239616][ T2247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   99.239619][ T2247]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   99.239622][ T2247]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   99.239625][ T2247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   99.239627][ T2247]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   99.239630][ T2247]  ? netdev_notice (net/core/dev.c:13194)
[   99.239633][ T2247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.239636][ T2247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.239638][ T2247]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   99.239642][ T2247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   99.239644][ T2247]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   99.239646][ T2247]  ? register_netdev (net/core/dev.c:11618)
[   99.239647][ T2247]  ? 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))
[   99.239652][ T2247]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   99.239655][ T2247]  ? __kernel_text_address (kernel/extable.c:79)
[   99.239657][ T2247]  ? write_profile (profile.c:?)
[   99.239661][ T2247]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   99.239667][ T2247]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   99.239670][ T2247]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   99.239672][ T2247]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   99.239674][ T2247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   99.239675][ T2247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.239679][ T2247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   99.239681][ T2247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.239682][ T2247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   99.239685][ T2247]  ? kasan_save_stack (mm/kasan/common.c:58)
[   99.239687][ T2247]  ? kasan_save_stack (mm/kasan/common.c:57)
[   99.239688][ T2247]  ? kasan_save_track (mm/kasan/common.c:78)
[   99.239689][ T2247]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   99.239691][ T2247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.239693][ T2247]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   99.239696][ T2247]  ? ___sys_sendmsg (net/socket.c:2758)
[   99.239700][ T2247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.239702][ T2247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   99.239704][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.239706][ T2247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.239708][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.239709][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.239711][ T2247]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   99.239713][ T2247]  ? __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)
[   99.239715][ T2247]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   99.239716][ T2247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   99.239720][ T2247]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   99.239721][ T2247]  ? nla_get_range_signed (lib/nlattr.c:270)
[   99.239726][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.239728][ T2247]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   99.239733][ T2247]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   99.239738][ T2247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.239740][ T2247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.239745][ T2247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.239747][ T2247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.239749][ T2247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.239750][ T2247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.239754][ T2247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.239756][ T2247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.239759][ T2247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.239761][ T2247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.239765][ T2247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.239767][ T2247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.239770][ T2247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.239774][ T2247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.239776][ T2247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.239783][ T2247]  ? 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))
[   99.239785][ T2247]  ? 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))
[   99.239789][ T2247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.239793][ T2247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.239796][ T2247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.239800][ T2247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.239804][ T2247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   99.239808][ T2247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.239809][ T2247]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   99.239814][ T2247]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   99.239817][ T2247]  ____sys_sendmsg (net/socket.c:2713)
[   99.239819][ T2247]  ? copy_msghdr_from_user (net/socket.c:2650)
[   99.239822][ T2247]  ? sock_write_iter (net/socket.c:1269)
[   99.239823][ T2247]  ? move_addr_to_kernel (net/socket.c:258)
[   99.239834][ T2247]  ___sys_sendmsg (net/socket.c:2767)
[   99.239837][ T2247]  ? copy_msghdr_from_user (net/socket.c:2619)
[   99.239852][ T2247]  __sys_sendmsg (net/socket.c:2799)
[   99.239855][ T2247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   99.239862][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.239865][ T2247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.239867][ T2247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   99.239870][ T2247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.239877][ T2247] RIP: 0033:0x7f2d5b17154e
[   99.239882][ T2247] 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
[   99.239883][ T2247] RSP: 002b:00007ffd47928bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.239886][ T2247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2d5b17154e
[   99.239888][ T2247] RDX: 0000000000000000 RSI: 00007ffd47928c80 RDI: 0000000000000005
[   99.239889][ T2247] RBP: 00007ffd47928be0 R08: 0000000000000000 R09: 0000000000000000
[   99.239889][ T2247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e61
[   99.239890][ T2247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd47929350
| [  227.384514][ T3727] softirqs last disabled at (20924): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  227.384516][ T3727] Preemption disabled at:
| [  227.384517][ T3727] vprintk_emit (kernel/printk/printk.c:2471)
| [  227.384524][ T3727] Tainted: [W]=WARN
[  227.384525][ T3727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  227.384527][ T3727] Call Trace:
[  227.384528][ T3727]  <TASK>
[  227.384530][ T3727]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  227.384535][ T3727]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  227.384537][ T3727]  __might_resched.cold (kernel/sched/core.c:9234)
[  227.384541][ T3727]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  227.384545][ T3727]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  227.384549][ T3727]  __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))
[  227.384551][ T3727]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  227.384557][ T3727]  ? 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)
[  227.384560][ T3727]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  227.384564][ T3727]  put_chars (drivers/char/virtio_console.c:1176)
[  227.384566][ T3727]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  227.384572][ T3727]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  227.384579][ T3727]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  227.384583][ T3727]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.384587][ T3727]  console_emit_next_record (kernel/printk/printk.c:3183)
[  227.384591][ T3727]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  227.384593][ T3727]  ? 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))
[  227.384596][ T3727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.384599][ T3727]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.384603][ T3727]  console_flush_one_record (kernel/printk/printk.c:3268)
[  227.384607][ T3727]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  227.384609][ T3727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.384614][ T3727]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  227.384617][ T3727]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  227.384619][ T3727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.384620][ T3727]  ? 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)
[  227.384624][ T3727]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  227.384626][ T3727]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  227.384628][ T3727]  vprintk_emit (kernel/printk/printk.c:2479)
[  227.384632][ T3727]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  227.384634][ T3727]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  227.384639][ T3727]  _printk (kernel/printk/printk.c:2504)
[  227.384643][ T3727]  ? snapshot_read.cold (user.c:?)
[  227.384645][ T3727]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  227.384647][ T3727]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  227.384650][ T3727]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  227.384652][ T3727]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  227.384656][ T3727]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  227.384658][ T3727]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  227.384661][ T3727]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  227.384663][ T3727]  ? netdev_notice (net/core/dev.c:13194)
[  227.384666][ T3727]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  227.384669][ T3727]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  227.384672][ T3727]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  227.384675][ T3727]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  227.384677][ T3727]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  227.384679][ T3727]  ? register_netdev (net/core/dev.c:11618)
[  227.384680][ T3727]  ? 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))
[  227.384686][ T3727]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  227.384688][ T3727]  ? __kernel_text_address (kernel/extable.c:79)
[  227.384691][ T3727]  ? write_profile (profile.c:?)
[  227.384695][ T3727]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  227.384701][ T3727]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  227.384704][ T3727]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  227.384706][ T3727]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  227.384708][ T3727]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  227.384710][ T3727]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  227.384714][ T3727]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  227.384716][ T3727]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  227.384717][ T3727]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  227.384720][ T3727]  ? kasan_save_stack (mm/kasan/common.c:58)
[  227.384722][ T3727]  ? kasan_save_stack (mm/kasan/common.c:57)
[  227.384723][ T3727]  ? kasan_save_track (mm/kasan/common.c:78)
[  227.384724][ T3727]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  227.384726][ T3727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.384728][ T3727]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  227.384731][ T3727]  ? ___sys_sendmsg (net/socket.c:2758)
[  227.384735][ T3727]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  227.384737][ T3727]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  227.384739][ T3727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.384741][ T3727]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.384742][ T3727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.384744][ T3727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.384745][ T3727]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  227.384747][ T3727]  ? __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)
[  227.384749][ T3727]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  227.384751][ T3727]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  227.384754][ T3727]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  227.384755][ T3727]  ? nla_get_range_signed (lib/nlattr.c:270)
[  227.384760][ T3727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.384762][ T3727]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  227.384767][ T3727]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  227.384773][ T3727]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  227.384774][ T3727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.384779][ T3727]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  227.384781][ T3727]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  227.384783][ T3727]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  227.384784][ T3727]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  227.384788][ T3727]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  227.384790][ T3727]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  227.384793][ T3727]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  227.384794][ T3727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.384799][ T3727]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  227.384801][ T3727]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  227.384804][ T3727]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  227.384807][ T3727]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  227.384810][ T3727]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  227.384816][ T3727]  ? 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))
[  227.384818][ T3727]  ? 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))
[  227.384823][ T3727]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  227.384829][ T3727]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  227.384832][ T3727]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  227.384836][ T3727]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  227.384840][ T3727]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  227.384844][ T3727]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  227.384846][ T3727]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  227.384851][ T3727]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  227.384853][ T3727]  ____sys_sendmsg (net/socket.c:2713)
[  227.384856][ T3727]  ? copy_msghdr_from_user (net/socket.c:2650)
[  227.384858][ T3727]  ? sock_write_iter (net/socket.c:1269)
[  227.384860][ T3727]  ? move_addr_to_kernel (net/socket.c:258)
[  227.384867][ T3727]  ___sys_sendmsg (net/socket.c:2767)
[  227.384870][ T3727]  ? copy_msghdr_from_user (net/socket.c:2619)
[  227.384885][ T3727]  __sys_sendmsg (net/socket.c:2799)
[  227.384888][ T3727]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  227.384895][ T3727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.384898][ T3727]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  227.384901][ T3727]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  227.384903][ T3727]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  227.384906][ T3727] RIP: 0033:0x7ff05f08e54e
[  227.384909][ T3727] 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
[  227.384911][ T3727] RSP: 002b:00007ffd1d29ecf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  227.384914][ T3727] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff05f08e54e
[  227.384915][ T3727] RDX: 0000000000000000 RSI: 00007ffd1d29eda0 RDI: 0000000000000005
[  227.384916][ T3727] RBP: 00007ffd1d29ed00 R08: 0000000000000000 R09: 0000000000000000
[  227.384917][ T3727] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ee1
[  227.384918][ T3727] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1d29f470
| [  235.200629][ T3944] softirqs last disabled at (16804): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  235.200632][ T3944] Preemption disabled at:
| [  235.200633][ T3944] vprintk_emit (kernel/printk/printk.c:2471)
| [  235.200641][ T3944] Tainted: [W]=WARN
[  235.200641][ T3944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  235.200643][ T3944] Call Trace:
[  235.200645][ T3944]  <TASK>
[  235.200646][ T3944]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  235.200653][ T3944]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  235.200654][ T3944]  __might_resched.cold (kernel/sched/core.c:9234)
[  235.200659][ T3944]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  235.200663][ T3944]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  235.200668][ T3944]  __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))
[  235.200669][ T3944]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  235.200676][ T3944]  ? 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)
[  235.200679][ T3944]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  235.200683][ T3944]  put_chars (drivers/char/virtio_console.c:1176)
[  235.200685][ T3944]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  235.200692][ T3944]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  235.200700][ T3944]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  235.200703][ T3944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  235.200707][ T3944]  console_emit_next_record (kernel/printk/printk.c:3183)
[  235.200712][ T3944]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  235.200714][ T3944]  ? 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))
[  235.200717][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.200720][ T3944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  235.200724][ T3944]  console_flush_one_record (kernel/printk/printk.c:3268)
[  235.200728][ T3944]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  235.200730][ T3944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  235.200736][ T3944]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  235.200739][ T3944]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  235.200741][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.200743][ T3944]  ? 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)
[  235.200746][ T3944]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  235.200748][ T3944]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  235.200751][ T3944]  vprintk_emit (kernel/printk/printk.c:2479)
[  235.200754][ T3944]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  235.200757][ T3944]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  235.200762][ T3944]  _printk (kernel/printk/printk.c:2504)
[  235.200766][ T3944]  ? snapshot_read.cold (user.c:?)
[  235.200768][ T3944]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  235.200770][ T3944]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  235.200773][ T3944]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  235.200775][ T3944]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  235.200779][ T3944]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  235.200782][ T3944]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  235.200784][ T3944]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  235.200787][ T3944]  ? netdev_notice (net/core/dev.c:13194)
[  235.200790][ T3944]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  235.200793][ T3944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  235.200796][ T3944]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  235.200799][ T3944]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  235.200801][ T3944]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  235.200804][ T3944]  ? register_netdev (net/core/dev.c:11618)
[  235.200805][ T3944]  ? 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))
[  235.200810][ T3944]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  235.200813][ T3944]  ? __kernel_text_address (kernel/extable.c:79)
[  235.200816][ T3944]  ? write_profile (profile.c:?)
[  235.200820][ T3944]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  235.200829][ T3944]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  235.200832][ T3944]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  235.200834][ T3944]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  235.200836][ T3944]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  235.200838][ T3944]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  235.200841][ T3944]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  235.200843][ T3944]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  235.200845][ T3944]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  235.200847][ T3944]  ? kasan_save_stack (mm/kasan/common.c:58)
[  235.200849][ T3944]  ? kasan_save_stack (mm/kasan/common.c:57)
[  235.200851][ T3944]  ? kasan_save_track (mm/kasan/common.c:78)
[  235.200852][ T3944]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  235.200854][ T3944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  235.200856][ T3944]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  235.200859][ T3944]  ? ___sys_sendmsg (net/socket.c:2758)
[  235.200863][ T3944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  235.200865][ T3944]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  235.200868][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.200869][ T3944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  235.200871][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.200872][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.200874][ T3944]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  235.200876][ T3944]  ? __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)
[  235.200878][ T3944]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  235.200880][ T3944]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  235.200883][ T3944]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  235.200884][ T3944]  ? nla_get_range_signed (lib/nlattr.c:270)
[  235.200890][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.200892][ T3944]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  235.200897][ T3944]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  235.200902][ T3944]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  235.200904][ T3944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  235.200909][ T3944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  235.200911][ T3944]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  235.200913][ T3944]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  235.200914][ T3944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  235.200918][ T3944]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  235.200920][ T3944]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  235.200924][ T3944]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  235.200925][ T3944]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  235.200930][ T3944]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  235.200932][ T3944]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  235.200935][ T3944]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  235.200938][ T3944]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  235.200941][ T3944]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  235.200948][ T3944]  ? 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))
[  235.200950][ T3944]  ? 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))
[  235.200954][ T3944]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  235.200958][ T3944]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  235.200961][ T3944]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  235.200965][ T3944]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  235.200970][ T3944]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  235.200973][ T3944]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  235.200975][ T3944]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  235.200980][ T3944]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  235.200983][ T3944]  ____sys_sendmsg (net/socket.c:2713)
[  235.200986][ T3944]  ? copy_msghdr_from_user (net/socket.c:2650)
[  235.200988][ T3944]  ? sock_write_iter (net/socket.c:1269)
[  235.200990][ T3944]  ? move_addr_to_kernel (net/socket.c:258)
[  235.200997][ T3944]  ___sys_sendmsg (net/socket.c:2767)
[  235.201000][ T3944]  ? copy_msghdr_from_user (net/socket.c:2619)
[  235.201016][ T3944]  __sys_sendmsg (net/socket.c:2799)
[  235.201019][ T3944]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  235.201025][ T3944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.201028][ T3944]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  235.201031][ T3944]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  235.201034][ T3944]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  235.201037][ T3944] RIP: 0033:0x7fe99fb6454e
[  235.201041][ T3944] 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
[  235.201042][ T3944] RSP: 002b:00007ffd8afca970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  235.201045][ T3944] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe99fb6454e
[  235.201047][ T3944] RDX: 0000000000000000 RSI: 00007ffd8afcaa20 RDI: 0000000000000005
[  235.201048][ T3944] RBP: 00007ffd8afca980 R08: 0000000000000000 R09: 0000000000000000
[  235.201049][ T3944] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ee9
[  235.201049][ T3944] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8afcb0f0
| [  313.149793][ T4931] softirqs last disabled at (26190): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  313.149795][ T4931] Preemption disabled at:
| [  313.149796][ T4931] vprintk_emit (kernel/printk/printk.c:2471)
| [  313.149804][ T4931] Tainted: [W]=WARN
[  313.149805][ T4931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  313.149806][ T4931] Call Trace:
[  313.149808][ T4931]  <TASK>
[  313.149809][ T4931]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  313.149815][ T4931]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  313.149816][ T4931]  __might_resched.cold (kernel/sched/core.c:9234)
[  313.149821][ T4931]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  313.149825][ T4931]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  313.149831][ T4931]  __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))
[  313.149833][ T4931]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  313.149839][ T4931]  ? 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)
[  313.149841][ T4931]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  313.149845][ T4931]  put_chars (drivers/char/virtio_console.c:1176)
[  313.149847][ T4931]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  313.149853][ T4931]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  313.149861][ T4931]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  313.149864][ T4931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  313.149869][ T4931]  console_emit_next_record (kernel/printk/printk.c:3183)
[  313.149872][ T4931]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  313.149874][ T4931]  ? 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))
[  313.149877][ T4931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  313.149880][ T4931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  313.149884][ T4931]  console_flush_one_record (kernel/printk/printk.c:3268)
[  313.149888][ T4931]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  313.149890][ T4931]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  313.149895][ T4931]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  313.149898][ T4931]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  313.149900][ T4931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  313.149902][ T4931]  ? 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)
[  313.149905][ T4931]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  313.149907][ T4931]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  313.149910][ T4931]  vprintk_emit (kernel/printk/printk.c:2479)
[  313.149913][ T4931]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  313.149915][ T4931]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  313.149920][ T4931]  _printk (kernel/printk/printk.c:2504)
[  313.149924][ T4931]  ? snapshot_read.cold (user.c:?)
[  313.149926][ T4931]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  313.149928][ T4931]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  313.149931][ T4931]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  313.149933][ T4931]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  313.149937][ T4931]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  313.149939][ T4931]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  313.149942][ T4931]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  313.149945][ T4931]  ? netdev_notice (net/core/dev.c:13194)
[  313.149947][ T4931]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  313.149950][ T4931]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  313.149953][ T4931]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  313.149956][ T4931]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  313.149958][ T4931]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  313.149960][ T4931]  ? register_netdev (net/core/dev.c:11618)
[  313.149962][ T4931]  ? 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))
[  313.149967][ T4931]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  313.149970][ T4931]  ? __kernel_text_address (kernel/extable.c:79)
[  313.149972][ T4931]  ? write_profile (profile.c:?)
[  313.149976][ T4931]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  313.149982][ T4931]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  313.149985][ T4931]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  313.149987][ T4931]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  313.149989][ T4931]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  313.149991][ T4931]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  313.149994][ T4931]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  313.149996][ T4931]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  313.149997][ T4931]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  313.150000][ T4931]  ? kasan_save_stack (mm/kasan/common.c:58)
[  313.150002][ T4931]  ? kasan_save_stack (mm/kasan/common.c:57)
[  313.150003][ T4931]  ? kasan_save_track (mm/kasan/common.c:78)
[  313.150004][ T4931]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  313.150006][ T4931]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  313.150008][ T4931]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  313.150011][ T4931]  ? ___sys_sendmsg (net/socket.c:2758)
[  313.150015][ T4931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  313.150017][ T4931]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  313.150020][ T4931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  313.150021][ T4931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  313.150023][ T4931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  313.150024][ T4931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  313.150026][ T4931]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  313.150028][ T4931]  ? __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)
[  313.150029][ T4931]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  313.150031][ T4931]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  313.150035][ T4931]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  313.150036][ T4931]  ? nla_get_range_signed (lib/nlattr.c:270)
[  313.150041][ T4931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  313.150043][ T4931]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  313.150048][ T4931]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  313.150053][ T4931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  313.150055][ T4931]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  313.150059][ T4931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  313.150061][ T4931]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  313.150063][ T4931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  313.150065][ T4931]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  313.150069][ T4931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  313.150071][ T4931]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  313.150074][ T4931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  313.150075][ T4931]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  313.150080][ T4931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  313.150081][ T4931]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  313.150085][ T4931]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  313.150088][ T4931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  313.150091][ T4931]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  313.150097][ T4931]  ? 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))
[  313.150099][ T4931]  ? 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))
[  313.150103][ T4931]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  313.150107][ T4931]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  313.150110][ T4931]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  313.150114][ T4931]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  313.150118][ T4931]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  313.150122][ T4931]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  313.150123][ T4931]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  313.150128][ T4931]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  313.150131][ T4931]  ____sys_sendmsg (net/socket.c:2713)
[  313.150133][ T4931]  ? copy_msghdr_from_user (net/socket.c:2650)
[  313.150136][ T4931]  ? sock_write_iter (net/socket.c:1269)
[  313.150137][ T4931]  ? move_addr_to_kernel (net/socket.c:258)
[  313.150144][ T4931]  ___sys_sendmsg (net/socket.c:2767)
[  313.150147][ T4931]  ? copy_msghdr_from_user (net/socket.c:2619)
[  313.150163][ T4931]  __sys_sendmsg (net/socket.c:2799)
[  313.150166][ T4931]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  313.150172][ T4931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  313.150175][ T4931]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  313.150177][ T4931]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  313.150180][ T4931]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  313.150183][ T4931] RIP: 0033:0x7f2b6407b54e
[  313.150186][ T4931] 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
[  313.150188][ T4931] RSP: 002b:00007ffc97730920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  313.150191][ T4931] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2b6407b54e
[  313.150192][ T4931] RDX: 0000000000000000 RSI: 00007ffc977309d0 RDI: 0000000000000005
[  313.150193][ T4931] RBP: 00007ffc97730930 R08: 0000000000000000 R09: 0000000000000000
[  313.150194][ T4931] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918f37
[  313.150195][ T4931] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc977310a0
| [  425.950491][ T6564] softirqs last disabled at (29366): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  425.950493][ T6564] Preemption disabled at:
| [  425.950494][ T6564] vprintk_emit (kernel/printk/printk.c:2471)
| [  425.950502][ T6564] Tainted: [W]=WARN
[  425.950503][ T6564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  425.950504][ T6564] Call Trace:
[  425.950506][ T6564]  <TASK>
[  425.950507][ T6564]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  425.950514][ T6564]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  425.950515][ T6564]  __might_resched.cold (kernel/sched/core.c:9234)
[  425.950519][ T6564]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  425.950523][ T6564]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  425.950528][ T6564]  __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))
[  425.950529][ T6564]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  425.950536][ T6564]  ? 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)
[  425.950538][ T6564]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  425.950542][ T6564]  put_chars (drivers/char/virtio_console.c:1176)
[  425.950544][ T6564]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  425.950551][ T6564]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  425.950558][ T6564]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  425.950561][ T6564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  425.950566][ T6564]  console_emit_next_record (kernel/printk/printk.c:3183)
[  425.950570][ T6564]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  425.950572][ T6564]  ? 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))
[  425.950575][ T6564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.950577][ T6564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  425.950581][ T6564]  console_flush_one_record (kernel/printk/printk.c:3268)
[  425.950585][ T6564]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  425.950587][ T6564]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  425.950592][ T6564]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  425.950595][ T6564]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  425.950597][ T6564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.950599][ T6564]  ? 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)
[  425.950602][ T6564]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  425.950604][ T6564]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  425.950607][ T6564]  vprintk_emit (kernel/printk/printk.c:2479)
[  425.950610][ T6564]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  425.950612][ T6564]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  425.950617][ T6564]  _printk (kernel/printk/printk.c:2504)
[  425.950621][ T6564]  ? snapshot_read.cold (user.c:?)
[  425.950623][ T6564]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  425.950625][ T6564]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  425.950628][ T6564]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  425.950630][ T6564]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  425.950634][ T6564]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  425.950636][ T6564]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  425.950639][ T6564]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  425.950641][ T6564]  ? netdev_notice (net/core/dev.c:13194)
[  425.950644][ T6564]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  425.950647][ T6564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  425.950650][ T6564]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  425.950653][ T6564]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  425.950655][ T6564]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  425.950657][ T6564]  ? register_netdev (net/core/dev.c:11618)
[  425.950659][ T6564]  ? 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))
[  425.950664][ T6564]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  425.950666][ T6564]  ? __kernel_text_address (kernel/extable.c:79)
[  425.950669][ T6564]  ? write_profile (profile.c:?)
[  425.950673][ T6564]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  425.950678][ T6564]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  425.950681][ T6564]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  425.950683][ T6564]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  425.950685][ T6564]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  425.950686][ T6564]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  425.950690][ T6564]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  425.950692][ T6564]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  425.950693][ T6564]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  425.950696][ T6564]  ? kasan_save_stack (mm/kasan/common.c:58)
[  425.950697][ T6564]  ? kasan_save_stack (mm/kasan/common.c:57)
[  425.950698][ T6564]  ? kasan_save_track (mm/kasan/common.c:78)
[  425.950700][ T6564]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  425.950702][ T6564]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  425.950704][ T6564]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  425.950707][ T6564]  ? ___sys_sendmsg (net/socket.c:2758)
[  425.950710][ T6564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  425.950712][ T6564]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  425.950715][ T6564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.950716][ T6564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  425.950718][ T6564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.950719][ T6564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.950721][ T6564]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  425.950723][ T6564]  ? __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)
[  425.950724][ T6564]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  425.950726][ T6564]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  425.950729][ T6564]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  425.950731][ T6564]  ? nla_get_range_signed (lib/nlattr.c:270)
[  425.950736][ T6564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.950738][ T6564]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  425.950743][ T6564]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  425.950748][ T6564]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  425.950750][ T6564]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  425.950754][ T6564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  425.950756][ T6564]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  425.950758][ T6564]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  425.950760][ T6564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  425.950763][ T6564]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  425.950765][ T6564]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  425.950768][ T6564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  425.950770][ T6564]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  425.950774][ T6564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  425.950776][ T6564]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  425.950780][ T6564]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  425.950783][ T6564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  425.950785][ T6564]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  425.950792][ T6564]  ? 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))
[  425.950794][ T6564]  ? 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))
[  425.950798][ T6564]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  425.950802][ T6564]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  425.950804][ T6564]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  425.950808][ T6564]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  425.950812][ T6564]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  425.950816][ T6564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  425.950818][ T6564]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  425.950822][ T6564]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  425.950828][ T6564]  ____sys_sendmsg (net/socket.c:2713)
[  425.950831][ T6564]  ? copy_msghdr_from_user (net/socket.c:2650)
[  425.950833][ T6564]  ? sock_write_iter (net/socket.c:1269)
[  425.950834][ T6564]  ? move_addr_to_kernel (net/socket.c:258)
[  425.950841][ T6564]  ___sys_sendmsg (net/socket.c:2767)
[  425.950844][ T6564]  ? copy_msghdr_from_user (net/socket.c:2619)
[  425.950859][ T6564]  __sys_sendmsg (net/socket.c:2799)
[  425.950862][ T6564]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  425.950868][ T6564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  425.950871][ T6564]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  425.950874][ T6564]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  425.950877][ T6564]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  425.950879][ T6564] RIP: 0033:0x7f113defd54e
[  425.950883][ T6564] 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
[  425.950884][ T6564] RSP: 002b:00007ffd3636d2d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  425.950887][ T6564] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f113defd54e
[  425.950888][ T6564] RDX: 0000000000000000 RSI: 00007ffd3636d380 RDI: 0000000000000005
[  425.950889][ T6564] RBP: 00007ffd3636d2e0 R08: 0000000000000000 R09: 0000000000000000
[  425.950890][ T6564] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fa8
[  425.950890][ T6564] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3636da50
| [  447.855546][ T7377] softirqs last disabled at (25000): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  447.855549][ T7377] Preemption disabled at:
| [  447.855549][ T7377] vprintk_emit (kernel/printk/printk.c:2471)
| [  447.855558][ T7377] Tainted: [W]=WARN
[  447.855559][ T7377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  447.855560][ T7377] Call Trace:
[  447.855562][ T7377]  <TASK>
[  447.855563][ T7377]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  447.855569][ T7377]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  447.855571][ T7377]  __might_resched.cold (kernel/sched/core.c:9234)
[  447.855575][ T7377]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  447.855579][ T7377]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  447.855584][ T7377]  __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))
[  447.855586][ T7377]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  447.855592][ T7377]  ? 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)
[  447.855594][ T7377]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  447.855598][ T7377]  put_chars (drivers/char/virtio_console.c:1176)
[  447.855600][ T7377]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  447.855607][ T7377]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  447.855614][ T7377]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  447.855617][ T7377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.855622][ T7377]  console_emit_next_record (kernel/printk/printk.c:3183)
[  447.855626][ T7377]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  447.855628][ T7377]  ? 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))
[  447.855631][ T7377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.855634][ T7377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.855638][ T7377]  console_flush_one_record (kernel/printk/printk.c:3268)
[  447.855642][ T7377]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  447.855644][ T7377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  447.855649][ T7377]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  447.855652][ T7377]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  447.855654][ T7377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.855656][ T7377]  ? 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)
[  447.855659][ T7377]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  447.855661][ T7377]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  447.855664][ T7377]  vprintk_emit (kernel/printk/printk.c:2479)
[  447.855667][ T7377]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  447.855670][ T7377]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  447.855675][ T7377]  _printk (kernel/printk/printk.c:2504)
[  447.855679][ T7377]  ? snapshot_read.cold (user.c:?)
[  447.855680][ T7377]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  447.855683][ T7377]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  447.855686][ T7377]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  447.855688][ T7377]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  447.855691][ T7377]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  447.855694][ T7377]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  447.855696][ T7377]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  447.855699][ T7377]  ? netdev_notice (net/core/dev.c:13194)
[  447.855702][ T7377]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  447.855705][ T7377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  447.855708][ T7377]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  447.855711][ T7377]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  447.855713][ T7377]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  447.855715][ T7377]  ? register_netdev (net/core/dev.c:11618)
[  447.855716][ T7377]  ? 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))
[  447.855722][ T7377]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  447.855725][ T7377]  ? __kernel_text_address (kernel/extable.c:79)
[  447.855727][ T7377]  ? write_profile (profile.c:?)
[  447.855731][ T7377]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  447.855737][ T7377]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  447.855740][ T7377]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  447.855742][ T7377]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  447.855744][ T7377]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  447.855745][ T7377]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  447.855749][ T7377]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  447.855751][ T7377]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  447.855752][ T7377]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  447.855755][ T7377]  ? kasan_save_stack (mm/kasan/common.c:58)
[  447.855756][ T7377]  ? kasan_save_stack (mm/kasan/common.c:57)
[  447.855758][ T7377]  ? kasan_save_track (mm/kasan/common.c:78)
[  447.855759][ T7377]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  447.855761][ T7377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  447.855763][ T7377]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  447.855766][ T7377]  ? ___sys_sendmsg (net/socket.c:2758)
[  447.855770][ T7377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  447.855772][ T7377]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  447.855774][ T7377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.855776][ T7377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.855778][ T7377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.855779][ T7377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.855780][ T7377]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  447.855783][ T7377]  ? __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)
[  447.855784][ T7377]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  447.855786][ T7377]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  447.855789][ T7377]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  447.855790][ T7377]  ? nla_get_range_signed (lib/nlattr.c:270)
[  447.855795][ T7377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.855798][ T7377]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  447.855803][ T7377]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  447.855808][ T7377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  447.855810][ T7377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  447.855815][ T7377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  447.855817][ T7377]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  447.855818][ T7377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  447.855820][ T7377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  447.855824][ T7377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  447.855829][ T7377]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  447.855832][ T7377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  447.855834][ T7377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  447.855838][ T7377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  447.855840][ T7377]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  447.855843][ T7377]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  447.855846][ T7377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  447.855849][ T7377]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  447.855855][ T7377]  ? 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))
[  447.855857][ T7377]  ? 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))
[  447.855862][ T7377]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  447.855866][ T7377]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  447.855868][ T7377]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  447.855872][ T7377]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  447.855876][ T7377]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  447.855880][ T7377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  447.855882][ T7377]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  447.855886][ T7377]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  447.855889][ T7377]  ____sys_sendmsg (net/socket.c:2713)
[  447.855891][ T7377]  ? copy_msghdr_from_user (net/socket.c:2650)
[  447.855894][ T7377]  ? sock_write_iter (net/socket.c:1269)
[  447.855895][ T7377]  ? move_addr_to_kernel (net/socket.c:258)
[  447.855902][ T7377]  ___sys_sendmsg (net/socket.c:2767)
[  447.855905][ T7377]  ? copy_msghdr_from_user (net/socket.c:2619)
[  447.855921][ T7377]  __sys_sendmsg (net/socket.c:2799)
[  447.855923][ T7377]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  447.855930][ T7377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.855933][ T7377]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  447.855935][ T7377]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  447.855938][ T7377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  447.855940][ T7377] RIP: 0033:0x7fb86147d54e
[  447.855944][ T7377] 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
[  447.855945][ T7377] RSP: 002b:00007ffcfe786070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  447.855948][ T7377] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb86147d54e
[  447.855949][ T7377] RDX: 0000000000000000 RSI: 00007ffcfe786120 RDI: 0000000000000005
[  447.855950][ T7377] RBP: 00007ffcfe786080 R08: 0000000000000000 R09: 0000000000000000
[  447.855951][ T7377] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fbe
[  447.855952][ T7377] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfe7867f0
| [  455.937978][ T7624] softirqs last disabled at (26182): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  455.937981][ T7624] Preemption disabled at:
| [  455.937981][ T7624] vprintk_emit (kernel/printk/printk.c:2471)
| [  455.937989][ T7624] Tainted: [W]=WARN
[  455.937990][ T7624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  455.937991][ T7624] Call Trace:
[  455.937993][ T7624]  <TASK>
[  455.937994][ T7624]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  455.938000][ T7624]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  455.938002][ T7624]  __might_resched.cold (kernel/sched/core.c:9234)
[  455.938006][ T7624]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  455.938010][ T7624]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  455.938015][ T7624]  __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))
[  455.938017][ T7624]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  455.938023][ T7624]  ? 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)
[  455.938026][ T7624]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  455.938029][ T7624]  put_chars (drivers/char/virtio_console.c:1176)
[  455.938032][ T7624]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  455.938038][ T7624]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  455.938046][ T7624]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  455.938049][ T7624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.938054][ T7624]  console_emit_next_record (kernel/printk/printk.c:3183)
[  455.938058][ T7624]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  455.938059][ T7624]  ? 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))
[  455.938062][ T7624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.938065][ T7624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.938069][ T7624]  console_flush_one_record (kernel/printk/printk.c:3268)
[  455.938073][ T7624]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  455.938075][ T7624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  455.938080][ T7624]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  455.938083][ T7624]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  455.938085][ T7624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.938087][ T7624]  ? 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)
[  455.938091][ T7624]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  455.938092][ T7624]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  455.938095][ T7624]  vprintk_emit (kernel/printk/printk.c:2479)
[  455.938098][ T7624]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  455.938101][ T7624]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  455.938106][ T7624]  _printk (kernel/printk/printk.c:2504)
[  455.938109][ T7624]  ? snapshot_read.cold (user.c:?)
[  455.938111][ T7624]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  455.938113][ T7624]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  455.938116][ T7624]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  455.938119][ T7624]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  455.938122][ T7624]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  455.938125][ T7624]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  455.938127][ T7624]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  455.938130][ T7624]  ? netdev_notice (net/core/dev.c:13194)
[  455.938133][ T7624]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  455.938136][ T7624]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  455.938138][ T7624]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  455.938142][ T7624]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  455.938144][ T7624]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  455.938146][ T7624]  ? register_netdev (net/core/dev.c:11618)
[  455.938147][ T7624]  ? 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))
[  455.938152][ T7624]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  455.938155][ T7624]  ? __kernel_text_address (kernel/extable.c:79)
[  455.938157][ T7624]  ? write_profile (profile.c:?)
[  455.938161][ T7624]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  455.938167][ T7624]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  455.938170][ T7624]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  455.938172][ T7624]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  455.938174][ T7624]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  455.938176][ T7624]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  455.938179][ T7624]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  455.938181][ T7624]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  455.938183][ T7624]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  455.938189][ T7624]  ? kasan_save_stack (mm/kasan/common.c:58)
[  455.938192][ T7624]  ? kasan_save_stack (mm/kasan/common.c:57)
[  455.938193][ T7624]  ? kasan_save_track (mm/kasan/common.c:78)
[  455.938194][ T7624]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  455.938196][ T7624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  455.938198][ T7624]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  455.938201][ T7624]  ? ___sys_sendmsg (net/socket.c:2758)
[  455.938205][ T7624]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  455.938207][ T7624]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  455.938209][ T7624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.938211][ T7624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.938212][ T7624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.938213][ T7624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.938215][ T7624]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  455.938217][ T7624]  ? __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)
[  455.938218][ T7624]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  455.938220][ T7624]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  455.938224][ T7624]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  455.938225][ T7624]  ? nla_get_range_signed (lib/nlattr.c:270)
[  455.938230][ T7624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.938232][ T7624]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  455.938237][ T7624]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  455.938242][ T7624]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  455.938244][ T7624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  455.938248][ T7624]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  455.938250][ T7624]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  455.938252][ T7624]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  455.938254][ T7624]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  455.938257][ T7624]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  455.938259][ T7624]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  455.938262][ T7624]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  455.938264][ T7624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  455.938268][ T7624]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  455.938270][ T7624]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  455.938273][ T7624]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  455.938276][ T7624]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  455.938279][ T7624]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  455.938286][ T7624]  ? 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))
[  455.938288][ T7624]  ? 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))
[  455.938292][ T7624]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  455.938296][ T7624]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  455.938298][ T7624]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  455.938302][ T7624]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  455.938306][ T7624]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  455.938310][ T7624]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  455.938312][ T7624]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  455.938317][ T7624]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  455.938320][ T7624]  ____sys_sendmsg (net/socket.c:2713)
[  455.938322][ T7624]  ? copy_msghdr_from_user (net/socket.c:2650)
[  455.938324][ T7624]  ? sock_write_iter (net/socket.c:1269)
[  455.938326][ T7624]  ? move_addr_to_kernel (net/socket.c:258)
[  455.938333][ T7624]  ___sys_sendmsg (net/socket.c:2767)
[  455.938336][ T7624]  ? copy_msghdr_from_user (net/socket.c:2619)
[  455.938351][ T7624]  __sys_sendmsg (net/socket.c:2799)
[  455.938354][ T7624]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  455.938360][ T7624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.938363][ T7624]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  455.938366][ T7624]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  455.938368][ T7624]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  455.938371][ T7624] RIP: 0033:0x7f1684dac54e
[  455.938374][ T7624] 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
[  455.938376][ T7624] RSP: 002b:00007ffc33cda960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  455.938378][ T7624] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1684dac54e
[  455.938380][ T7624] RDX: 0000000000000000 RSI: 00007ffc33cdaa10 RDI: 0000000000000005
[  455.938381][ T7624] RBP: 00007ffc33cda970 R08: 0000000000000000 R09: 0000000000000000
[  455.938382][ T7624] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fc6
[  455.938382][ T7624] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc33cdb0e0
| [  467.179492][ T7975] softirqs last disabled at (34690): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  467.179495][ T7975] Preemption disabled at:
| [  467.179495][ T7975] vprintk_emit (kernel/printk/printk.c:2471)
| [  467.179503][ T7975] Tainted: [W]=WARN
[  467.179504][ T7975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  467.179505][ T7975] Call Trace:
[  467.179506][ T7975]  <TASK>
[  467.179508][ T7975]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  467.179514][ T7975]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  467.179515][ T7975]  __might_resched.cold (kernel/sched/core.c:9234)
[  467.179520][ T7975]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  467.179524][ T7975]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  467.179528][ T7975]  __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))
[  467.179530][ T7975]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  467.179536][ T7975]  ? 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)
[  467.179539][ T7975]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  467.179543][ T7975]  put_chars (drivers/char/virtio_console.c:1176)
[  467.179545][ T7975]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  467.179551][ T7975]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  467.179559][ T7975]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  467.179562][ T7975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  467.179566][ T7975]  console_emit_next_record (kernel/printk/printk.c:3183)
[  467.179570][ T7975]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  467.179572][ T7975]  ? 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))
[  467.179575][ T7975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  467.179578][ T7975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  467.179582][ T7975]  console_flush_one_record (kernel/printk/printk.c:3268)
[  467.179586][ T7975]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  467.179588][ T7975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  467.179593][ T7975]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  467.179595][ T7975]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  467.179597][ T7975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  467.179599][ T7975]  ? 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)
[  467.179602][ T7975]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  467.179604][ T7975]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  467.179607][ T7975]  vprintk_emit (kernel/printk/printk.c:2479)
[  467.179610][ T7975]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  467.179612][ T7975]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  467.179617][ T7975]  _printk (kernel/printk/printk.c:2504)
[  467.179621][ T7975]  ? snapshot_read.cold (user.c:?)
[  467.179623][ T7975]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  467.179625][ T7975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  467.179628][ T7975]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  467.179630][ T7975]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  467.179634][ T7975]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  467.179637][ T7975]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  467.179639][ T7975]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  467.179642][ T7975]  ? netdev_notice (net/core/dev.c:13194)
[  467.179645][ T7975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  467.179648][ T7975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  467.179650][ T7975]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  467.179654][ T7975]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  467.179656][ T7975]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  467.179658][ T7975]  ? register_netdev (net/core/dev.c:11618)
[  467.179659][ T7975]  ? 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))
[  467.179664][ T7975]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  467.179667][ T7975]  ? __kernel_text_address (kernel/extable.c:79)
[  467.179670][ T7975]  ? write_profile (profile.c:?)
[  467.179673][ T7975]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  467.179679][ T7975]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  467.179682][ T7975]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  467.179684][ T7975]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  467.179686][ T7975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  467.179688][ T7975]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  467.179691][ T7975]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  467.179693][ T7975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  467.179695][ T7975]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  467.179697][ T7975]  ? kasan_save_stack (mm/kasan/common.c:58)
[  467.179699][ T7975]  ? kasan_save_stack (mm/kasan/common.c:57)
[  467.179700][ T7975]  ? kasan_save_track (mm/kasan/common.c:78)
[  467.179701][ T7975]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  467.179703][ T7975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  467.179705][ T7975]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  467.179708][ T7975]  ? ___sys_sendmsg (net/socket.c:2758)
[  467.179712][ T7975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  467.179714][ T7975]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  467.179716][ T7975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  467.179718][ T7975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  467.179719][ T7975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  467.179720][ T7975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  467.179722][ T7975]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  467.179724][ T7975]  ? __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)
[  467.179725][ T7975]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  467.179727][ T7975]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  467.179731][ T7975]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  467.179732][ T7975]  ? nla_get_range_signed (lib/nlattr.c:270)
[  467.179737][ T7975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  467.179739][ T7975]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  467.179744][ T7975]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  467.179749][ T7975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  467.179751][ T7975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  467.179755][ T7975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  467.179757][ T7975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  467.179759][ T7975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  467.179761][ T7975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  467.179765][ T7975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  467.179767][ T7975]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  467.179770][ T7975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  467.179771][ T7975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  467.179776][ T7975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  467.179777][ T7975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  467.179781][ T7975]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  467.179784][ T7975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  467.179787][ T7975]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  467.179793][ T7975]  ? 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))
[  467.179795][ T7975]  ? 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))
[  467.179799][ T7975]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  467.179803][ T7975]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  467.179806][ T7975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  467.179810][ T7975]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  467.179814][ T7975]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  467.179817][ T7975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  467.179819][ T7975]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  467.179824][ T7975]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  467.179830][ T7975]  ____sys_sendmsg (net/socket.c:2713)
[  467.179832][ T7975]  ? copy_msghdr_from_user (net/socket.c:2650)
[  467.179834][ T7975]  ? sock_write_iter (net/socket.c:1269)
[  467.179836][ T7975]  ? move_addr_to_kernel (net/socket.c:258)
[  467.179843][ T7975]  ___sys_sendmsg (net/socket.c:2767)
[  467.179846][ T7975]  ? copy_msghdr_from_user (net/socket.c:2619)
[  467.179861][ T7975]  __sys_sendmsg (net/socket.c:2799)
[  467.179864][ T7975]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  467.179870][ T7975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  467.179873][ T7975]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  467.179876][ T7975]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  467.179879][ T7975]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  467.179881][ T7975] RIP: 0033:0x7fd49285654e
[  467.179885][ T7975] 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
[  467.179886][ T7975] RSP: 002b:00007ffe2281d400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  467.179889][ T7975] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd49285654e
[  467.179890][ T7975] RDX: 0000000000000000 RSI: 00007ffe2281d4b0 RDI: 0000000000000005
[  467.179891][ T7975] RBP: 00007ffe2281d410 R08: 0000000000000000 R09: 0000000000000000
[  467.179892][ T7975] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fd1
[  467.179893][ T7975] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2281db80
| [  475.665501][ T8111] softirqs last disabled at (16698): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  475.665503][ T8111] Preemption disabled at:
| [  475.665504][ T8111] vprintk_emit (kernel/printk/printk.c:2471)
| [  475.665512][ T8111] Tainted: [W]=WARN
[  475.665513][ T8111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  475.665514][ T8111] Call Trace:
[  475.665515][ T8111]  <TASK>
[  475.665517][ T8111]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  475.665523][ T8111]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  475.665525][ T8111]  __might_resched.cold (kernel/sched/core.c:9234)
[  475.665529][ T8111]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  475.665533][ T8111]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  475.665537][ T8111]  __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))
[  475.665539][ T8111]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.665546][ T8111]  ? 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)
[  475.665548][ T8111]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.665552][ T8111]  put_chars (drivers/char/virtio_console.c:1176)
[  475.665555][ T8111]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  475.665561][ T8111]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  475.665568][ T8111]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  475.665571][ T8111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.665576][ T8111]  console_emit_next_record (kernel/printk/printk.c:3183)
[  475.665580][ T8111]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  475.665582][ T8111]  ? 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))
[  475.665585][ T8111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.665588][ T8111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.665592][ T8111]  console_flush_one_record (kernel/printk/printk.c:3268)
[  475.665596][ T8111]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  475.665598][ T8111]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.665603][ T8111]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  475.665606][ T8111]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  475.665608][ T8111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.665609][ T8111]  ? 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)
[  475.665613][ T8111]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  475.665615][ T8111]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  475.665617][ T8111]  vprintk_emit (kernel/printk/printk.c:2479)
[  475.665621][ T8111]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  475.665623][ T8111]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  475.665628][ T8111]  _printk (kernel/printk/printk.c:2504)
[  475.665632][ T8111]  ? snapshot_read.cold (user.c:?)
[  475.665634][ T8111]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  475.665636][ T8111]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  475.665639][ T8111]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  475.665641][ T8111]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  475.665645][ T8111]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  475.665648][ T8111]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.665650][ T8111]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  475.665653][ T8111]  ? netdev_notice (net/core/dev.c:13194)
[  475.665656][ T8111]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.665659][ T8111]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.665661][ T8111]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  475.665665][ T8111]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.665667][ T8111]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  475.665669][ T8111]  ? register_netdev (net/core/dev.c:11618)
[  475.665670][ T8111]  ? 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))
[  475.665676][ T8111]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  475.665678][ T8111]  ? __kernel_text_address (kernel/extable.c:79)
[  475.665681][ T8111]  ? write_profile (profile.c:?)
[  475.665685][ T8111]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  475.665691][ T8111]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.665694][ T8111]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  475.665696][ T8111]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  475.665697][ T8111]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  475.665699][ T8111]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  475.665702][ T8111]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  475.665704][ T8111]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  475.665706][ T8111]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  475.665709][ T8111]  ? kasan_save_stack (mm/kasan/common.c:58)
[  475.665711][ T8111]  ? kasan_save_stack (mm/kasan/common.c:57)
[  475.665712][ T8111]  ? kasan_save_track (mm/kasan/common.c:78)
[  475.665713][ T8111]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  475.665715][ T8111]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.665717][ T8111]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  475.665720][ T8111]  ? ___sys_sendmsg (net/socket.c:2758)
[  475.665724][ T8111]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.665726][ T8111]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  475.665728][ T8111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.665730][ T8111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.665731][ T8111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.665733][ T8111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.665734][ T8111]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  475.665737][ T8111]  ? __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)
[  475.665738][ T8111]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  475.665740][ T8111]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  475.665743][ T8111]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  475.665745][ T8111]  ? nla_get_range_signed (lib/nlattr.c:270)
[  475.665750][ T8111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.665752][ T8111]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  475.665757][ T8111]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  475.665763][ T8111]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.665765][ T8111]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.665769][ T8111]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.665771][ T8111]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.665773][ T8111]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.665775][ T8111]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.665778][ T8111]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.665780][ T8111]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  475.665784][ T8111]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  475.665785][ T8111]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.665790][ T8111]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.665791][ T8111]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.665795][ T8111]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  475.665798][ T8111]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  475.665801][ T8111]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  475.665808][ T8111]  ? 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))
[  475.665810][ T8111]  ? 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))
[  475.665814][ T8111]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  475.665818][ T8111]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  475.665821][ T8111]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.665828][ T8111]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  475.665832][ T8111]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  475.665835][ T8111]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.665837][ T8111]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  475.665842][ T8111]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  475.665845][ T8111]  ____sys_sendmsg (net/socket.c:2713)
[  475.665847][ T8111]  ? copy_msghdr_from_user (net/socket.c:2650)
[  475.665850][ T8111]  ? sock_write_iter (net/socket.c:1269)
[  475.665851][ T8111]  ? move_addr_to_kernel (net/socket.c:258)
[  475.665858][ T8111]  ___sys_sendmsg (net/socket.c:2767)
[  475.665861][ T8111]  ? copy_msghdr_from_user (net/socket.c:2619)
[  475.665876][ T8111]  __sys_sendmsg (net/socket.c:2799)
[  475.665879][ T8111]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  475.665886][ T8111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.665888][ T8111]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  475.665891][ T8111]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  475.665894][ T8111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  475.665896][ T8111] RIP: 0033:0x7eff8439b54e
[  475.665900][ T8111] 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
[  475.665901][ T8111] RSP: 002b:00007fff5fccbe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  475.665904][ T8111] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007eff8439b54e
[  475.665906][ T8111] RDX: 0000000000000000 RSI: 00007fff5fccbf30 RDI: 0000000000000005
[  475.665907][ T8111] RBP: 00007fff5fccbe90 R08: 0000000000000000 R09: 0000000000000000
[  475.665907][ T8111] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fd9
[  475.665908][ T8111] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5fccc600
| [  484.165346][ T8247] softirqs last disabled at (18906): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  484.165349][ T8247] Preemption disabled at:
| [  484.165349][ T8247] vprintk_emit (kernel/printk/printk.c:2471)
| [  484.165357][ T8247] Tainted: [W]=WARN
[  484.165358][ T8247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  484.165359][ T8247] Call Trace:
[  484.165361][ T8247]  <TASK>
[  484.165362][ T8247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  484.165368][ T8247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  484.165370][ T8247]  __might_resched.cold (kernel/sched/core.c:9234)
[  484.165374][ T8247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  484.165378][ T8247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  484.165382][ T8247]  __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))
[  484.165384][ T8247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  484.165390][ T8247]  ? 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)
[  484.165393][ T8247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  484.165396][ T8247]  put_chars (drivers/char/virtio_console.c:1176)
[  484.165399][ T8247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  484.165405][ T8247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  484.165412][ T8247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  484.165415][ T8247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.165420][ T8247]  console_emit_next_record (kernel/printk/printk.c:3183)
[  484.165424][ T8247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  484.165426][ T8247]  ? 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))
[  484.165429][ T8247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.165431][ T8247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.165435][ T8247]  console_flush_one_record (kernel/printk/printk.c:3268)
[  484.165439][ T8247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  484.165441][ T8247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.165446][ T8247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  484.165449][ T8247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  484.165451][ T8247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.165453][ T8247]  ? 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)
[  484.165456][ T8247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  484.165458][ T8247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  484.165461][ T8247]  vprintk_emit (kernel/printk/printk.c:2479)
[  484.165464][ T8247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  484.165466][ T8247]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  484.165471][ T8247]  _printk (kernel/printk/printk.c:2504)
[  484.165475][ T8247]  ? snapshot_read.cold (user.c:?)
[  484.165477][ T8247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  484.165479][ T8247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  484.165482][ T8247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  484.165484][ T8247]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  484.165488][ T8247]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  484.165491][ T8247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  484.165493][ T8247]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  484.165496][ T8247]  ? netdev_notice (net/core/dev.c:13194)
[  484.165499][ T8247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.165502][ T8247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.165504][ T8247]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  484.165507][ T8247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  484.165509][ T8247]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  484.165512][ T8247]  ? register_netdev (net/core/dev.c:11618)
[  484.165513][ T8247]  ? 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))
[  484.165518][ T8247]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  484.165521][ T8247]  ? __kernel_text_address (kernel/extable.c:79)
[  484.165523][ T8247]  ? write_profile (profile.c:?)
[  484.165527][ T8247]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  484.165533][ T8247]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  484.165536][ T8247]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  484.165538][ T8247]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  484.165539][ T8247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  484.165541][ T8247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  484.165544][ T8247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  484.165546][ T8247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  484.165548][ T8247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  484.165550][ T8247]  ? kasan_save_stack (mm/kasan/common.c:58)
[  484.165552][ T8247]  ? kasan_save_stack (mm/kasan/common.c:57)
[  484.165554][ T8247]  ? kasan_save_track (mm/kasan/common.c:78)
[  484.165555][ T8247]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  484.165557][ T8247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.165559][ T8247]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  484.165562][ T8247]  ? ___sys_sendmsg (net/socket.c:2758)
[  484.165565][ T8247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  484.165567][ T8247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  484.165570][ T8247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.165572][ T8247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.165573][ T8247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.165574][ T8247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.165576][ T8247]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  484.165578][ T8247]  ? __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)
[  484.165580][ T8247]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  484.165582][ T8247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  484.165585][ T8247]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  484.165586][ T8247]  ? nla_get_range_signed (lib/nlattr.c:270)
[  484.165591][ T8247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.165593][ T8247]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  484.165598][ T8247]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  484.165603][ T8247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  484.165605][ T8247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.165609][ T8247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  484.165611][ T8247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.165613][ T8247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  484.165615][ T8247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.165618][ T8247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  484.165620][ T8247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  484.165623][ T8247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  484.165625][ T8247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.165629][ T8247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  484.165631][ T8247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.165634][ T8247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  484.165637][ T8247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  484.165640][ T8247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  484.165646][ T8247]  ? 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))
[  484.165648][ T8247]  ? 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))
[  484.165653][ T8247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  484.165656][ T8247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  484.165659][ T8247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.165663][ T8247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  484.165667][ T8247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  484.165670][ T8247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.165672][ T8247]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  484.165677][ T8247]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  484.165680][ T8247]  ____sys_sendmsg (net/socket.c:2713)
[  484.165682][ T8247]  ? copy_msghdr_from_user (net/socket.c:2650)
[  484.165684][ T8247]  ? sock_write_iter (net/socket.c:1269)
[  484.165686][ T8247]  ? move_addr_to_kernel (net/socket.c:258)
[  484.165693][ T8247]  ___sys_sendmsg (net/socket.c:2767)
[  484.165696][ T8247]  ? copy_msghdr_from_user (net/socket.c:2619)
[  484.165711][ T8247]  __sys_sendmsg (net/socket.c:2799)
[  484.165714][ T8247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  484.165720][ T8247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.165723][ T8247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  484.165726][ T8247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  484.165729][ T8247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  484.165731][ T8247] RIP: 0033:0x7fd83300e54e
[  484.165734][ T8247] 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
[  484.165736][ T8247] RSP: 002b:00007fffbebe1e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  484.165739][ T8247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd83300e54e
[  484.165740][ T8247] RDX: 0000000000000000 RSI: 00007fffbebe1ee0 RDI: 0000000000000005
[  484.165741][ T8247] RBP: 00007fffbebe1e40 R08: 0000000000000000 R09: 0000000000000000
[  484.165741][ T8247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fe2
[  484.165742][ T8247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbebe25b0
| [  492.630449][ T8384] softirqs last disabled at (24212): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  492.630452][ T8384] Preemption disabled at:
| [  492.630452][ T8384] vprintk_emit (kernel/printk/printk.c:2471)
| [  492.630460][ T8384] Tainted: [W]=WARN
[  492.630461][ T8384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  492.630462][ T8384] Call Trace:
[  492.630464][ T8384]  <TASK>
[  492.630465][ T8384]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  492.630472][ T8384]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  492.630473][ T8384]  __might_resched.cold (kernel/sched/core.c:9234)
[  492.630477][ T8384]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  492.630481][ T8384]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  492.630486][ T8384]  __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))
[  492.630488][ T8384]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  492.630494][ T8384]  ? 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)
[  492.630496][ T8384]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  492.630500][ T8384]  put_chars (drivers/char/virtio_console.c:1176)
[  492.630502][ T8384]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  492.630509][ T8384]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  492.630516][ T8384]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  492.630519][ T8384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.630524][ T8384]  console_emit_next_record (kernel/printk/printk.c:3183)
[  492.630528][ T8384]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  492.630530][ T8384]  ? 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))
[  492.630533][ T8384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.630536][ T8384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.630539][ T8384]  console_flush_one_record (kernel/printk/printk.c:3268)
[  492.630544][ T8384]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  492.630545][ T8384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.630551][ T8384]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  492.630554][ T8384]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  492.630555][ T8384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.630557][ T8384]  ? 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)
[  492.630561][ T8384]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  492.630562][ T8384]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  492.630565][ T8384]  vprintk_emit (kernel/printk/printk.c:2479)
[  492.630568][ T8384]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  492.630571][ T8384]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  492.630576][ T8384]  _printk (kernel/printk/printk.c:2504)
[  492.630580][ T8384]  ? snapshot_read.cold (user.c:?)
[  492.630581][ T8384]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  492.630584][ T8384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  492.630587][ T8384]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  492.630589][ T8384]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  492.630592][ T8384]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  492.630595][ T8384]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.630597][ T8384]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  492.630600][ T8384]  ? netdev_notice (net/core/dev.c:13194)
[  492.630603][ T8384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.630606][ T8384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  492.630608][ T8384]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  492.630612][ T8384]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.630614][ T8384]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  492.630616][ T8384]  ? register_netdev (net/core/dev.c:11618)
[  492.630617][ T8384]  ? 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))
[  492.630622][ T8384]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  492.630625][ T8384]  ? __kernel_text_address (kernel/extable.c:79)
[  492.630627][ T8384]  ? write_profile (profile.c:?)
[  492.630631][ T8384]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  492.630637][ T8384]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.630641][ T8384]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  492.630643][ T8384]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  492.630644][ T8384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  492.630646][ T8384]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  492.630649][ T8384]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  492.630651][ T8384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  492.630653][ T8384]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  492.630655][ T8384]  ? kasan_save_stack (mm/kasan/common.c:58)
[  492.630657][ T8384]  ? kasan_save_stack (mm/kasan/common.c:57)
[  492.630658][ T8384]  ? kasan_save_track (mm/kasan/common.c:78)
[  492.630659][ T8384]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  492.630661][ T8384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.630663][ T8384]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  492.630666][ T8384]  ? ___sys_sendmsg (net/socket.c:2758)
[  492.630670][ T8384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  492.630672][ T8384]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  492.630674][ T8384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.630676][ T8384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.630677][ T8384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.630678][ T8384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.630680][ T8384]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  492.630682][ T8384]  ? __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)
[  492.630684][ T8384]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  492.630686][ T8384]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  492.630689][ T8384]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  492.630690][ T8384]  ? nla_get_range_signed (lib/nlattr.c:270)
[  492.630695][ T8384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.630697][ T8384]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  492.630702][ T8384]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  492.630708][ T8384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  492.630709][ T8384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.630714][ T8384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  492.630716][ T8384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.630718][ T8384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  492.630719][ T8384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  492.630723][ T8384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  492.630725][ T8384]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  492.630728][ T8384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  492.630729][ T8384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.630734][ T8384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  492.630736][ T8384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.630739][ T8384]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  492.630742][ T8384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  492.630745][ T8384]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  492.630752][ T8384]  ? 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))
[  492.630754][ T8384]  ? 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))
[  492.630758][ T8384]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  492.630762][ T8384]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  492.630764][ T8384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.630769][ T8384]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  492.630773][ T8384]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  492.630777][ T8384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  492.630778][ T8384]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  492.630783][ T8384]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  492.630786][ T8384]  ____sys_sendmsg (net/socket.c:2713)
[  492.630788][ T8384]  ? copy_msghdr_from_user (net/socket.c:2650)
[  492.630791][ T8384]  ? sock_write_iter (net/socket.c:1269)
[  492.630792][ T8384]  ? move_addr_to_kernel (net/socket.c:258)
[  492.630800][ T8384]  ___sys_sendmsg (net/socket.c:2767)
[  492.630802][ T8384]  ? copy_msghdr_from_user (net/socket.c:2619)
[  492.630819][ T8384]  __sys_sendmsg (net/socket.c:2799)
[  492.630821][ T8384]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  492.630830][ T8384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.630833][ T8384]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  492.630836][ T8384]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  492.630839][ T8384]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  492.630841][ T8384] RIP: 0033:0x7fe81600254e
[  492.630845][ T8384] 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
[  492.630847][ T8384] RSP: 002b:00007fff58ccc720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  492.630849][ T8384] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe81600254e
[  492.630851][ T8384] RDX: 0000000000000000 RSI: 00007fff58ccc7d0 RDI: 0000000000000005
[  492.630852][ T8384] RBP: 00007fff58ccc730 R08: 0000000000000000 R09: 0000000000000000
[  492.630852][ T8384] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fea
[  492.630853][ T8384] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff58cccea0
| [  501.224118][ T8527] softirqs last disabled at (31002): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  501.224121][ T8527] Preemption disabled at:
| [  501.224121][ T8527] vprintk_emit (kernel/printk/printk.c:2471)
| [  501.224129][ T8527] Tainted: [W]=WARN
[  501.224130][ T8527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  501.224132][ T8527] Call Trace:
[  501.224133][ T8527]  <TASK>
[  501.224135][ T8527]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  501.224141][ T8527]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  501.224143][ T8527]  __might_resched.cold (kernel/sched/core.c:9234)
[  501.224147][ T8527]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  501.224151][ T8527]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  501.224156][ T8527]  __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))
[  501.224158][ T8527]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.224164][ T8527]  ? 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)
[  501.224167][ T8527]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.224171][ T8527]  put_chars (drivers/char/virtio_console.c:1176)
[  501.224173][ T8527]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  501.224179][ T8527]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  501.224186][ T8527]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  501.224189][ T8527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.224194][ T8527]  console_emit_next_record (kernel/printk/printk.c:3183)
[  501.224198][ T8527]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  501.224200][ T8527]  ? 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))
[  501.224203][ T8527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.224205][ T8527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.224209][ T8527]  console_flush_one_record (kernel/printk/printk.c:3268)
[  501.224213][ T8527]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  501.224215][ T8527]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.224220][ T8527]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  501.224223][ T8527]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  501.224225][ T8527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.224227][ T8527]  ? 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)
[  501.224230][ T8527]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  501.224232][ T8527]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  501.224235][ T8527]  vprintk_emit (kernel/printk/printk.c:2479)
[  501.224238][ T8527]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  501.224240][ T8527]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  501.224245][ T8527]  _printk (kernel/printk/printk.c:2504)
[  501.224249][ T8527]  ? snapshot_read.cold (user.c:?)
[  501.224251][ T8527]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.224254][ T8527]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.224256][ T8527]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.224258][ T8527]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  501.224262][ T8527]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  501.224265][ T8527]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.224267][ T8527]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  501.224270][ T8527]  ? netdev_notice (net/core/dev.c:13194)
[  501.224273][ T8527]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.224275][ T8527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.224278][ T8527]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  501.224281][ T8527]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.224283][ T8527]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  501.224286][ T8527]  ? register_netdev (net/core/dev.c:11618)
[  501.224287][ T8527]  ? 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))
[  501.224292][ T8527]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  501.224295][ T8527]  ? __kernel_text_address (kernel/extable.c:79)
[  501.224297][ T8527]  ? write_profile (profile.c:?)
[  501.224301][ T8527]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  501.224307][ T8527]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.224310][ T8527]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  501.224312][ T8527]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  501.224313][ T8527]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  501.224315][ T8527]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  501.224319][ T8527]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.224321][ T8527]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.224322][ T8527]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.224325][ T8527]  ? kasan_save_stack (mm/kasan/common.c:58)
[  501.224327][ T8527]  ? kasan_save_stack (mm/kasan/common.c:57)
[  501.224328][ T8527]  ? kasan_save_track (mm/kasan/common.c:78)
[  501.224329][ T8527]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  501.224331][ T8527]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.224333][ T8527]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  501.224336][ T8527]  ? ___sys_sendmsg (net/socket.c:2758)
[  501.224340][ T8527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.224342][ T8527]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  501.224344][ T8527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.224346][ T8527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.224347][ T8527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.224348][ T8527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.224350][ T8527]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  501.224357][ T8527]  ? __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)
[  501.224358][ T8527]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  501.224360][ T8527]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  501.224363][ T8527]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  501.224364][ T8527]  ? nla_get_range_signed (lib/nlattr.c:270)
[  501.224369][ T8527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.224372][ T8527]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  501.224376][ T8527]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  501.224382][ T8527]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.224383][ T8527]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.224388][ T8527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.224390][ T8527]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.224391][ T8527]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.224393][ T8527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.224397][ T8527]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.224399][ T8527]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  501.224402][ T8527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.224403][ T8527]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.224407][ T8527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.224409][ T8527]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.224412][ T8527]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  501.224416][ T8527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.224418][ T8527]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  501.224425][ T8527]  ? 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))
[  501.224427][ T8527]  ? 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))
[  501.224431][ T8527]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  501.224435][ T8527]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  501.224437][ T8527]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.224441][ T8527]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  501.224445][ T8527]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  501.224449][ T8527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.224450][ T8527]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  501.224456][ T8527]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  501.224458][ T8527]  ____sys_sendmsg (net/socket.c:2713)
[  501.224460][ T8527]  ? copy_msghdr_from_user (net/socket.c:2650)
[  501.224463][ T8527]  ? sock_write_iter (net/socket.c:1269)
[  501.224464][ T8527]  ? move_addr_to_kernel (net/socket.c:258)
[  501.224471][ T8527]  ___sys_sendmsg (net/socket.c:2767)
[  501.224474][ T8527]  ? copy_msghdr_from_user (net/socket.c:2619)
[  501.224489][ T8527]  __sys_sendmsg (net/socket.c:2799)
[  501.224492][ T8527]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  501.224498][ T8527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.224501][ T8527]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  501.224504][ T8527]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  501.224507][ T8527]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  501.224509][ T8527] RIP: 0033:0x7f330597654e
[  501.224512][ T8527] 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
[  501.224514][ T8527] RSP: 002b:00007ffc7de0e310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  501.224517][ T8527] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f330597654e
[  501.224518][ T8527] RDX: 0000000000000000 RSI: 00007ffc7de0e3c0 RDI: 0000000000000005
[  501.224519][ T8527] RBP: 00007ffc7de0e320 R08: 0000000000000000 R09: 0000000000000000
[  501.224520][ T8527] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ff3
[  501.224520][ T8527] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7de0ea90
| [  509.779405][ T8670] softirqs last disabled at (18384): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  509.779408][ T8670] Preemption disabled at:
| [  509.779408][ T8670] vprintk_emit (kernel/printk/printk.c:2471)
| [  509.779417][ T8670] Tainted: [W]=WARN
[  509.779418][ T8670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  509.779419][ T8670] Call Trace:
[  509.779421][ T8670]  <TASK>
[  509.779422][ T8670]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  509.779428][ T8670]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  509.779430][ T8670]  __might_resched.cold (kernel/sched/core.c:9234)
[  509.779434][ T8670]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  509.779438][ T8670]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  509.779443][ T8670]  __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))
[  509.779445][ T8670]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  509.779451][ T8670]  ? 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)
[  509.779453][ T8670]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  509.779457][ T8670]  put_chars (drivers/char/virtio_console.c:1176)
[  509.779460][ T8670]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  509.779466][ T8670]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  509.779473][ T8670]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  509.779476][ T8670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.779481][ T8670]  console_emit_next_record (kernel/printk/printk.c:3183)
[  509.779485][ T8670]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  509.779487][ T8670]  ? 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))
[  509.779490][ T8670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.779492][ T8670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.779496][ T8670]  console_flush_one_record (kernel/printk/printk.c:3268)
[  509.779500][ T8670]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  509.779502][ T8670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  509.779507][ T8670]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  509.779510][ T8670]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  509.779512][ T8670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.779514][ T8670]  ? 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)
[  509.779517][ T8670]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  509.779519][ T8670]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  509.779522][ T8670]  vprintk_emit (kernel/printk/printk.c:2479)
[  509.779525][ T8670]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  509.779527][ T8670]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  509.779532][ T8670]  _printk (kernel/printk/printk.c:2504)
[  509.779536][ T8670]  ? snapshot_read.cold (user.c:?)
[  509.779538][ T8670]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  509.779540][ T8670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  509.779543][ T8670]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  509.779545][ T8670]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  509.779549][ T8670]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  509.779551][ T8670]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  509.779554][ T8670]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  509.779556][ T8670]  ? netdev_notice (net/core/dev.c:13194)
[  509.779559][ T8670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  509.779562][ T8670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  509.779565][ T8670]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  509.779568][ T8670]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  509.779570][ T8670]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  509.779572][ T8670]  ? register_netdev (net/core/dev.c:11618)
[  509.779574][ T8670]  ? 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))
[  509.779579][ T8670]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  509.779581][ T8670]  ? __kernel_text_address (kernel/extable.c:79)
[  509.779584][ T8670]  ? write_profile (profile.c:?)
[  509.779588][ T8670]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  509.779594][ T8670]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  509.779597][ T8670]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  509.779599][ T8670]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  509.779601][ T8670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  509.779602][ T8670]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  509.779606][ T8670]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  509.779607][ T8670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  509.779609][ T8670]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  509.779612][ T8670]  ? kasan_save_stack (mm/kasan/common.c:58)
[  509.779613][ T8670]  ? kasan_save_stack (mm/kasan/common.c:57)
[  509.779615][ T8670]  ? kasan_save_track (mm/kasan/common.c:78)
[  509.779616][ T8670]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  509.779618][ T8670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  509.779620][ T8670]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  509.779623][ T8670]  ? ___sys_sendmsg (net/socket.c:2758)
[  509.779626][ T8670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  509.779628][ T8670]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  509.779631][ T8670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.779632][ T8670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.779634][ T8670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.779635][ T8670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.779637][ T8670]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  509.779639][ T8670]  ? __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)
[  509.779640][ T8670]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  509.779642][ T8670]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  509.779645][ T8670]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  509.779646][ T8670]  ? nla_get_range_signed (lib/nlattr.c:270)
[  509.779651][ T8670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.779654][ T8670]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  509.779659][ T8670]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  509.779664][ T8670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  509.779666][ T8670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  509.779670][ T8670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  509.779672][ T8670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  509.779674][ T8670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  509.779675][ T8670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  509.779679][ T8670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  509.779681][ T8670]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  509.779684][ T8670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  509.779685][ T8670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  509.779690][ T8670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  509.779692][ T8670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  509.779695][ T8670]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  509.779698][ T8670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  509.779701][ T8670]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  509.779707][ T8670]  ? 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))
[  509.779709][ T8670]  ? 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))
[  509.779713][ T8670]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  509.779717][ T8670]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  509.779720][ T8670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  509.779724][ T8670]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  509.779728][ T8670]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  509.779731][ T8670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  509.779733][ T8670]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  509.779738][ T8670]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  509.779741][ T8670]  ____sys_sendmsg (net/socket.c:2713)
[  509.779743][ T8670]  ? copy_msghdr_from_user (net/socket.c:2650)
[  509.779745][ T8670]  ? sock_write_iter (net/socket.c:1269)
[  509.779747][ T8670]  ? move_addr_to_kernel (net/socket.c:258)
[  509.779754][ T8670]  ___sys_sendmsg (net/socket.c:2767)
[  509.779757][ T8670]  ? copy_msghdr_from_user (net/socket.c:2619)
[  509.779772][ T8670]  __sys_sendmsg (net/socket.c:2799)
[  509.779775][ T8670]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  509.779781][ T8670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.779784][ T8670]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  509.779787][ T8670]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  509.779790][ T8670]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  509.779792][ T8670] RIP: 0033:0x7f3ac1ac054e
[  509.779796][ T8670] 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
[  509.779798][ T8670] RSP: 002b:00007fff4ae725a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  509.779800][ T8670] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3ac1ac054e
[  509.779802][ T8670] RDX: 0000000000000000 RSI: 00007fff4ae72650 RDI: 0000000000000005
[  509.779803][ T8670] RBP: 00007fff4ae725b0 R08: 0000000000000000 R09: 0000000000000000
[  509.779803][ T8670] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ffc
[  509.779804][ T8670] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4ae72d20
| [  518.324531][ T8813] softirqs last disabled at (22734): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  518.324534][ T8813] Preemption disabled at:
| [  518.324535][ T8813] vprintk_emit (kernel/printk/printk.c:2471)
| [  518.324543][ T8813] Tainted: [W]=WARN
[  518.324543][ T8813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  518.324545][ T8813] Call Trace:
[  518.324546][ T8813]  <TASK>
[  518.324548][ T8813]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  518.324554][ T8813]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  518.324555][ T8813]  __might_resched.cold (kernel/sched/core.c:9234)
[  518.324560][ T8813]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  518.324564][ T8813]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  518.324568][ T8813]  __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))
[  518.324570][ T8813]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  518.324577][ T8813]  ? 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)
[  518.324579][ T8813]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  518.324583][ T8813]  put_chars (drivers/char/virtio_console.c:1176)
[  518.324585][ T8813]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  518.324591][ T8813]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  518.324599][ T8813]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  518.324602][ T8813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.324607][ T8813]  console_emit_next_record (kernel/printk/printk.c:3183)
[  518.324610][ T8813]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  518.324612][ T8813]  ? 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))
[  518.324616][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.324618][ T8813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.324622][ T8813]  console_flush_one_record (kernel/printk/printk.c:3268)
[  518.324626][ T8813]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  518.324628][ T8813]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  518.324634][ T8813]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  518.324636][ T8813]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  518.324638][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.324640][ T8813]  ? 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)
[  518.324644][ T8813]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  518.324645][ T8813]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  518.324648][ T8813]  vprintk_emit (kernel/printk/printk.c:2479)
[  518.324651][ T8813]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  518.324654][ T8813]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  518.324659][ T8813]  _printk (kernel/printk/printk.c:2504)
[  518.324663][ T8813]  ? snapshot_read.cold (user.c:?)
[  518.324665][ T8813]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  518.324667][ T8813]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  518.324670][ T8813]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  518.324672][ T8813]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  518.324675][ T8813]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  518.324678][ T8813]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  518.324680][ T8813]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  518.324683][ T8813]  ? netdev_notice (net/core/dev.c:13194)
[  518.324686][ T8813]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  518.324689][ T8813]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  518.324691][ T8813]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  518.324695][ T8813]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  518.324697][ T8813]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  518.324699][ T8813]  ? register_netdev (net/core/dev.c:11618)
[  518.324700][ T8813]  ? 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))
[  518.324705][ T8813]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  518.324708][ T8813]  ? __kernel_text_address (kernel/extable.c:79)
[  518.324711][ T8813]  ? write_profile (profile.c:?)
[  518.324715][ T8813]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  518.324720][ T8813]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  518.324724][ T8813]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  518.324726][ T8813]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  518.324727][ T8813]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  518.324729][ T8813]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  518.324732][ T8813]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  518.324734][ T8813]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  518.324736][ T8813]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  518.324738][ T8813]  ? kasan_save_stack (mm/kasan/common.c:58)
[  518.324740][ T8813]  ? kasan_save_stack (mm/kasan/common.c:57)
[  518.324741][ T8813]  ? kasan_save_track (mm/kasan/common.c:78)
[  518.324742][ T8813]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  518.324745][ T8813]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  518.324746][ T8813]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  518.324749][ T8813]  ? ___sys_sendmsg (net/socket.c:2758)
[  518.324753][ T8813]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  518.324755][ T8813]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  518.324757][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.324759][ T8813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.324761][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.324762][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.324763][ T8813]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  518.324766][ T8813]  ? __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)
[  518.324767][ T8813]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  518.324769][ T8813]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  518.324772][ T8813]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  518.324774][ T8813]  ? nla_get_range_signed (lib/nlattr.c:270)
[  518.324778][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.324781][ T8813]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  518.324786][ T8813]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  518.324791][ T8813]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  518.324793][ T8813]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  518.324797][ T8813]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  518.324799][ T8813]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  518.324801][ T8813]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  518.324803][ T8813]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  518.324806][ T8813]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  518.324808][ T8813]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  518.324811][ T8813]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  518.324813][ T8813]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  518.324817][ T8813]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  518.324819][ T8813]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  518.324822][ T8813]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  518.324828][ T8813]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  518.324831][ T8813]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  518.324837][ T8813]  ? 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))
[  518.324839][ T8813]  ? 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))
[  518.324843][ T8813]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  518.324847][ T8813]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  518.324850][ T8813]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  518.324854][ T8813]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  518.324857][ T8813]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  518.324861][ T8813]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  518.324863][ T8813]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  518.324868][ T8813]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  518.324871][ T8813]  ____sys_sendmsg (net/socket.c:2713)
[  518.324873][ T8813]  ? copy_msghdr_from_user (net/socket.c:2650)
[  518.324875][ T8813]  ? sock_write_iter (net/socket.c:1269)
[  518.324877][ T8813]  ? move_addr_to_kernel (net/socket.c:258)
[  518.324884][ T8813]  ___sys_sendmsg (net/socket.c:2767)
[  518.324887][ T8813]  ? copy_msghdr_from_user (net/socket.c:2619)
[  518.324902][ T8813]  __sys_sendmsg (net/socket.c:2799)
[  518.324905][ T8813]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  518.324911][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.324914][ T8813]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  518.324917][ T8813]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  518.324920][ T8813]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  518.324922][ T8813] RIP: 0033:0x7f6415b2b54e
[  518.324926][ T8813] 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
[  518.324927][ T8813] RSP: 002b:00007ffd59b826f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  518.324930][ T8813] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6415b2b54e
[  518.324931][ T8813] RDX: 0000000000000000 RSI: 00007ffd59b827a0 RDI: 0000000000000005
[  518.324932][ T8813] RBP: 00007ffd59b82700 R08: 0000000000000000 R09: 0000000000000000
[  518.324933][ T8813] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919004
[  518.324934][ T8813] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd59b82e70
| [  526.892346][ T8956] softirqs last disabled at (25072): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  526.892349][ T8956] Preemption disabled at:
| [  526.892349][ T8956] vprintk_emit (kernel/printk/printk.c:2471)
| [  526.892357][ T8956] Tainted: [W]=WARN
[  526.892358][ T8956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  526.892359][ T8956] Call Trace:
[  526.892361][ T8956]  <TASK>
[  526.892362][ T8956]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  526.892368][ T8956]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  526.892370][ T8956]  __might_resched.cold (kernel/sched/core.c:9234)
[  526.892374][ T8956]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  526.892378][ T8956]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  526.892382][ T8956]  __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))
[  526.892384][ T8956]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  526.892390][ T8956]  ? 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)
[  526.892393][ T8956]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  526.892396][ T8956]  put_chars (drivers/char/virtio_console.c:1176)
[  526.892399][ T8956]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  526.892405][ T8956]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  526.892412][ T8956]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  526.892415][ T8956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  526.892420][ T8956]  console_emit_next_record (kernel/printk/printk.c:3183)
[  526.892423][ T8956]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  526.892425][ T8956]  ? 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))
[  526.892428][ T8956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  526.892431][ T8956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  526.892435][ T8956]  console_flush_one_record (kernel/printk/printk.c:3268)
[  526.892439][ T8956]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  526.892441][ T8956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  526.892450][ T8956]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  526.892453][ T8956]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  526.892455][ T8956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  526.892457][ T8956]  ? 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)
[  526.892461][ T8956]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  526.892462][ T8956]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  526.892465][ T8956]  vprintk_emit (kernel/printk/printk.c:2479)
[  526.892468][ T8956]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  526.892471][ T8956]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  526.892476][ T8956]  _printk (kernel/printk/printk.c:2504)
[  526.892479][ T8956]  ? snapshot_read.cold (user.c:?)
[  526.892481][ T8956]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  526.892484][ T8956]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  526.892486][ T8956]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  526.892489][ T8956]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  526.892492][ T8956]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  526.892495][ T8956]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  526.892497][ T8956]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  526.892500][ T8956]  ? netdev_notice (net/core/dev.c:13194)
[  526.892503][ T8956]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  526.892506][ T8956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  526.892508][ T8956]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  526.892512][ T8956]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  526.892513][ T8956]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  526.892516][ T8956]  ? register_netdev (net/core/dev.c:11618)
[  526.892517][ T8956]  ? 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))
[  526.892522][ T8956]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  526.892525][ T8956]  ? __kernel_text_address (kernel/extable.c:79)
[  526.892527][ T8956]  ? write_profile (profile.c:?)
[  526.892531][ T8956]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  526.892537][ T8956]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  526.892540][ T8956]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  526.892542][ T8956]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  526.892543][ T8956]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  526.892545][ T8956]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  526.892548][ T8956]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  526.892550][ T8956]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  526.892552][ T8956]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  526.892554][ T8956]  ? kasan_save_stack (mm/kasan/common.c:58)
[  526.892556][ T8956]  ? kasan_save_stack (mm/kasan/common.c:57)
[  526.892557][ T8956]  ? kasan_save_track (mm/kasan/common.c:78)
[  526.892559][ T8956]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  526.892561][ T8956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  526.892563][ T8956]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  526.892566][ T8956]  ? ___sys_sendmsg (net/socket.c:2758)
[  526.892569][ T8956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  526.892571][ T8956]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  526.892574][ T8956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  526.892575][ T8956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  526.892577][ T8956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  526.892578][ T8956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  526.892580][ T8956]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  526.892582][ T8956]  ? __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)
[  526.892583][ T8956]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  526.892585][ T8956]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  526.892588][ T8956]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  526.892590][ T8956]  ? nla_get_range_signed (lib/nlattr.c:270)
[  526.892594][ T8956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  526.892597][ T8956]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  526.892602][ T8956]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  526.892607][ T8956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  526.892608][ T8956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  526.892613][ T8956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  526.892615][ T8956]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  526.892617][ T8956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  526.892618][ T8956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  526.892622][ T8956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  526.892624][ T8956]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  526.892627][ T8956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  526.892628][ T8956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  526.892633][ T8956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  526.892634][ T8956]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  526.892638][ T8956]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  526.892641][ T8956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  526.892644][ T8956]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  526.892650][ T8956]  ? 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))
[  526.892652][ T8956]  ? 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))
[  526.892656][ T8956]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  526.892660][ T8956]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  526.892663][ T8956]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  526.892667][ T8956]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  526.892671][ T8956]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  526.892674][ T8956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  526.892676][ T8956]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  526.892681][ T8956]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  526.892684][ T8956]  ____sys_sendmsg (net/socket.c:2713)
[  526.892686][ T8956]  ? copy_msghdr_from_user (net/socket.c:2650)
[  526.892688][ T8956]  ? sock_write_iter (net/socket.c:1269)
[  526.892690][ T8956]  ? move_addr_to_kernel (net/socket.c:258)
[  526.892697][ T8956]  ___sys_sendmsg (net/socket.c:2767)
[  526.892700][ T8956]  ? copy_msghdr_from_user (net/socket.c:2619)
[  526.892715][ T8956]  __sys_sendmsg (net/socket.c:2799)
[  526.892718][ T8956]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  526.892724][ T8956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  526.892727][ T8956]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  526.892730][ T8956]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  526.892733][ T8956]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  526.892735][ T8956] RIP: 0033:0x7f356abfc54e
[  526.892739][ T8956] 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
[  526.892740][ T8956] RSP: 002b:00007fffeff034f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  526.892743][ T8956] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f356abfc54e
[  526.892744][ T8956] RDX: 0000000000000000 RSI: 00007fffeff035a0 RDI: 0000000000000005
[  526.892745][ T8956] RBP: 00007fffeff03500 R08: 0000000000000000 R09: 0000000000000000
[  526.892746][ T8956] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91900d
[  526.892747][ T8956] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffeff03c70
| [  535.411813][ T9099] softirqs last disabled at (22458): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  535.411816][ T9099] Preemption disabled at:
| [  535.411816][ T9099] vprintk_emit (kernel/printk/printk.c:2471)
| [  535.411824][ T9099] Tainted: [W]=WARN
[  535.411825][ T9099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  535.411828][ T9099] Call Trace:
[  535.411830][ T9099]  <TASK>
[  535.411831][ T9099]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  535.411837][ T9099]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  535.411839][ T9099]  __might_resched.cold (kernel/sched/core.c:9234)
[  535.411843][ T9099]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  535.411847][ T9099]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  535.411852][ T9099]  __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))
[  535.411853][ T9099]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  535.411860][ T9099]  ? 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)
[  535.411862][ T9099]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  535.411866][ T9099]  put_chars (drivers/char/virtio_console.c:1176)
[  535.411868][ T9099]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  535.411874][ T9099]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  535.411882][ T9099]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  535.411885][ T9099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.411889][ T9099]  console_emit_next_record (kernel/printk/printk.c:3183)
[  535.411893][ T9099]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  535.411895][ T9099]  ? 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))
[  535.411898][ T9099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.411901][ T9099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.411905][ T9099]  console_flush_one_record (kernel/printk/printk.c:3268)
[  535.411909][ T9099]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  535.411911][ T9099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  535.411916][ T9099]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  535.411919][ T9099]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  535.411921][ T9099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.411922][ T9099]  ? 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)
[  535.411926][ T9099]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  535.411928][ T9099]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  535.411930][ T9099]  vprintk_emit (kernel/printk/printk.c:2479)
[  535.411933][ T9099]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  535.411936][ T9099]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  535.411941][ T9099]  _printk (kernel/printk/printk.c:2504)
[  535.411945][ T9099]  ? snapshot_read.cold (user.c:?)
[  535.411946][ T9099]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  535.411949][ T9099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  535.411952][ T9099]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  535.411954][ T9099]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  535.411957][ T9099]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  535.411960][ T9099]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  535.411962][ T9099]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  535.411965][ T9099]  ? netdev_notice (net/core/dev.c:13194)
[  535.411968][ T9099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  535.411971][ T9099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  535.411973][ T9099]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  535.411977][ T9099]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  535.411979][ T9099]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  535.411981][ T9099]  ? register_netdev (net/core/dev.c:11618)
[  535.411982][ T9099]  ? 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))
[  535.411987][ T9099]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  535.411990][ T9099]  ? __kernel_text_address (kernel/extable.c:79)
[  535.411992][ T9099]  ? write_profile (profile.c:?)
[  535.411996][ T9099]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  535.412002][ T9099]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  535.412005][ T9099]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  535.412007][ T9099]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  535.412008][ T9099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  535.412010][ T9099]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  535.412013][ T9099]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  535.412015][ T9099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  535.412017][ T9099]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  535.412019][ T9099]  ? kasan_save_stack (mm/kasan/common.c:58)
[  535.412021][ T9099]  ? kasan_save_stack (mm/kasan/common.c:57)
[  535.412022][ T9099]  ? kasan_save_track (mm/kasan/common.c:78)
[  535.412024][ T9099]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  535.412026][ T9099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  535.412028][ T9099]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  535.412031][ T9099]  ? ___sys_sendmsg (net/socket.c:2758)
[  535.412034][ T9099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  535.412037][ T9099]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  535.412039][ T9099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.412041][ T9099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.412042][ T9099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.412043][ T9099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.412045][ T9099]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  535.412047][ T9099]  ? __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)
[  535.412049][ T9099]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  535.412051][ T9099]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  535.412054][ T9099]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  535.412055][ T9099]  ? nla_get_range_signed (lib/nlattr.c:270)
[  535.412060][ T9099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.412062][ T9099]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  535.412067][ T9099]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  535.412072][ T9099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  535.412074][ T9099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  535.412078][ T9099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  535.412080][ T9099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  535.412082][ T9099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  535.412084][ T9099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  535.412088][ T9099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  535.412090][ T9099]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  535.412093][ T9099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  535.412094][ T9099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  535.412098][ T9099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  535.412100][ T9099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  535.412103][ T9099]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  535.412107][ T9099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  535.412109][ T9099]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  535.412116][ T9099]  ? 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))
[  535.412117][ T9099]  ? 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))
[  535.412122][ T9099]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  535.412126][ T9099]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  535.412128][ T9099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  535.412132][ T9099]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  535.412136][ T9099]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  535.412140][ T9099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  535.412142][ T9099]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  535.412147][ T9099]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  535.412149][ T9099]  ____sys_sendmsg (net/socket.c:2713)
[  535.412152][ T9099]  ? copy_msghdr_from_user (net/socket.c:2650)
[  535.412154][ T9099]  ? sock_write_iter (net/socket.c:1269)
[  535.412155][ T9099]  ? move_addr_to_kernel (net/socket.c:258)
[  535.412162][ T9099]  ___sys_sendmsg (net/socket.c:2767)
[  535.412165][ T9099]  ? copy_msghdr_from_user (net/socket.c:2619)
[  535.412180][ T9099]  __sys_sendmsg (net/socket.c:2799)
[  535.412183][ T9099]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  535.412189][ T9099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.412192][ T9099]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  535.412195][ T9099]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  535.412198][ T9099]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  535.412200][ T9099] RIP: 0033:0x7f5fa094654e
[  535.412204][ T9099] 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
[  535.412205][ T9099] RSP: 002b:00007ffea41d87f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  535.412208][ T9099] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5fa094654e
[  535.412209][ T9099] RDX: 0000000000000000 RSI: 00007ffea41d88a0 RDI: 0000000000000005
[  535.412210][ T9099] RBP: 00007ffea41d8800 R08: 0000000000000000 R09: 0000000000000000
[  535.412211][ T9099] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919015
[  535.412212][ T9099] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea41d8f70
| [  544.297256][ T9242] softirqs last disabled at (17386): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  544.297258][ T9242] Preemption disabled at:
| [  544.297259][ T9242] vprintk_emit (kernel/printk/printk.c:2471)
| [  544.297267][ T9242] Tainted: [W]=WARN
[  544.297268][ T9242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  544.297269][ T9242] Call Trace:
[  544.297270][ T9242]  <TASK>
[  544.297272][ T9242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  544.297278][ T9242]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  544.297280][ T9242]  __might_resched.cold (kernel/sched/core.c:9234)
[  544.297284][ T9242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  544.297288][ T9242]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  544.297293][ T9242]  __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))
[  544.297294][ T9242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  544.297301][ T9242]  ? 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)
[  544.297303][ T9242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  544.297307][ T9242]  put_chars (drivers/char/virtio_console.c:1176)
[  544.297309][ T9242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  544.297315][ T9242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  544.297323][ T9242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  544.297326][ T9242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.297330][ T9242]  console_emit_next_record (kernel/printk/printk.c:3183)
[  544.297334][ T9242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  544.297336][ T9242]  ? 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))
[  544.297339][ T9242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.297342][ T9242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.297346][ T9242]  console_flush_one_record (kernel/printk/printk.c:3268)
[  544.297350][ T9242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  544.297352][ T9242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  544.297357][ T9242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  544.297360][ T9242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  544.297362][ T9242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.297363][ T9242]  ? 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)
[  544.297367][ T9242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  544.297369][ T9242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  544.297371][ T9242]  vprintk_emit (kernel/printk/printk.c:2479)
[  544.297374][ T9242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  544.297377][ T9242]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  544.297382][ T9242]  _printk (kernel/printk/printk.c:2504)
[  544.297386][ T9242]  ? snapshot_read.cold (user.c:?)
[  544.297387][ T9242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  544.297390][ T9242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  544.297392][ T9242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  544.297395][ T9242]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  544.297398][ T9242]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  544.297401][ T9242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  544.297403][ T9242]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  544.297406][ T9242]  ? netdev_notice (net/core/dev.c:13194)
[  544.297409][ T9242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  544.297412][ T9242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  544.297414][ T9242]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  544.297417][ T9242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  544.297419][ T9242]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  544.297422][ T9242]  ? register_netdev (net/core/dev.c:11618)
[  544.297423][ T9242]  ? 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))
[  544.297428][ T9242]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  544.297431][ T9242]  ? __kernel_text_address (kernel/extable.c:79)
[  544.297433][ T9242]  ? write_profile (profile.c:?)
[  544.297437][ T9242]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  544.297443][ T9242]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  544.297446][ T9242]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  544.297448][ T9242]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  544.297449][ T9242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  544.297451][ T9242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  544.297454][ T9242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  544.297456][ T9242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  544.297458][ T9242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  544.297460][ T9242]  ? kasan_save_stack (mm/kasan/common.c:58)
[  544.297462][ T9242]  ? kasan_save_stack (mm/kasan/common.c:57)
[  544.297463][ T9242]  ? kasan_save_track (mm/kasan/common.c:78)
[  544.297465][ T9242]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  544.297467][ T9242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  544.297469][ T9242]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  544.297472][ T9242]  ? ___sys_sendmsg (net/socket.c:2758)
[  544.297475][ T9242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  544.297477][ T9242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  544.297480][ T9242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.297481][ T9242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.297483][ T9242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.297484][ T9242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.297486][ T9242]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  544.297488][ T9242]  ? __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)
[  544.297489][ T9242]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  544.297491][ T9242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  544.297494][ T9242]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  544.297496][ T9242]  ? nla_get_range_signed (lib/nlattr.c:270)
[  544.297500][ T9242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.297503][ T9242]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  544.297508][ T9242]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  544.297518][ T9242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  544.297520][ T9242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  544.297524][ T9242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  544.297526][ T9242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  544.297528][ T9242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  544.297530][ T9242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  544.297533][ T9242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  544.297535][ T9242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  544.297538][ T9242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  544.297540][ T9242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  544.297544][ T9242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  544.297546][ T9242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  544.297549][ T9242]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  544.297552][ T9242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  544.297555][ T9242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  544.297561][ T9242]  ? 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))
[  544.297563][ T9242]  ? 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))
[  544.297568][ T9242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  544.297571][ T9242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  544.297574][ T9242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  544.297578][ T9242]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  544.297582][ T9242]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  544.297585][ T9242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  544.297587][ T9242]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  544.297592][ T9242]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  544.297595][ T9242]  ____sys_sendmsg (net/socket.c:2713)
[  544.297597][ T9242]  ? copy_msghdr_from_user (net/socket.c:2650)
[  544.297599][ T9242]  ? sock_write_iter (net/socket.c:1269)
[  544.297601][ T9242]  ? move_addr_to_kernel (net/socket.c:258)
[  544.297608][ T9242]  ___sys_sendmsg (net/socket.c:2767)
[  544.297611][ T9242]  ? copy_msghdr_from_user (net/socket.c:2619)
[  544.297626][ T9242]  __sys_sendmsg (net/socket.c:2799)
[  544.297629][ T9242]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  544.297635][ T9242]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[  544.297638][ T9242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.297641][ T9242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  544.297643][ T9242]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  544.297646][ T9242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  544.297648][ T9242] RIP: 0033:0x7f3d597f454e
[  544.297652][ T9242] 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
[  544.297654][ T9242] RSP: 002b:00007ffec0d9d830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  544.297657][ T9242] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3d597f454e
[  544.297658][ T9242] RDX: 0000000000000000 RSI: 00007ffec0d9d8e0 RDI: 0000000000000005
[  544.297659][ T9242] RBP: 00007ffec0d9d840 R08: 0000000000000000 R09: 0000000000000000
[  544.297660][ T9242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91901e
[  544.297661][ T9242] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec0d9dfb0
| [  552.885323][ T9385] softirqs last disabled at (29562): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  552.885326][ T9385] Preemption disabled at:
| [  552.885326][ T9385] vprintk_emit (kernel/printk/printk.c:2471)
| [  552.885334][ T9385] Tainted: [W]=WARN
[  552.885335][ T9385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  552.885336][ T9385] Call Trace:
[  552.885338][ T9385]  <TASK>
[  552.885339][ T9385]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  552.885345][ T9385]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  552.885347][ T9385]  __might_resched.cold (kernel/sched/core.c:9234)
[  552.885351][ T9385]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  552.885355][ T9385]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  552.885359][ T9385]  __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))
[  552.885361][ T9385]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  552.885367][ T9385]  ? 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)
[  552.885370][ T9385]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  552.885373][ T9385]  put_chars (drivers/char/virtio_console.c:1176)
[  552.885376][ T9385]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  552.885382][ T9385]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  552.885390][ T9385]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  552.885393][ T9385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.885397][ T9385]  console_emit_next_record (kernel/printk/printk.c:3183)
[  552.885401][ T9385]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  552.885403][ T9385]  ? 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))
[  552.885406][ T9385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.885409][ T9385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.885413][ T9385]  console_flush_one_record (kernel/printk/printk.c:3268)
[  552.885417][ T9385]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  552.885419][ T9385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  552.885424][ T9385]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  552.885427][ T9385]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  552.885429][ T9385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.885430][ T9385]  ? 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)
[  552.885434][ T9385]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  552.885436][ T9385]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  552.885438][ T9385]  vprintk_emit (kernel/printk/printk.c:2479)
[  552.885441][ T9385]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  552.885444][ T9385]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  552.885449][ T9385]  _printk (kernel/printk/printk.c:2504)
[  552.885452][ T9385]  ? snapshot_read.cold (user.c:?)
[  552.885454][ T9385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  552.885457][ T9385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  552.885459][ T9385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  552.885461][ T9385]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  552.885465][ T9385]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  552.885468][ T9385]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  552.885470][ T9385]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  552.885473][ T9385]  ? netdev_notice (net/core/dev.c:13194)
[  552.885475][ T9385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  552.885478][ T9385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  552.885481][ T9385]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  552.885484][ T9385]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  552.885486][ T9385]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  552.885489][ T9385]  ? register_netdev (net/core/dev.c:11618)
[  552.885490][ T9385]  ? 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))
[  552.885495][ T9385]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  552.885498][ T9385]  ? __kernel_text_address (kernel/extable.c:79)
[  552.885500][ T9385]  ? write_profile (profile.c:?)
[  552.885504][ T9385]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  552.885510][ T9385]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  552.885513][ T9385]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  552.885515][ T9385]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  552.885516][ T9385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  552.885518][ T9385]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  552.885521][ T9385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  552.885523][ T9385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  552.885525][ T9385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  552.885527][ T9385]  ? kasan_save_stack (mm/kasan/common.c:58)
[  552.885529][ T9385]  ? kasan_save_stack (mm/kasan/common.c:57)
[  552.885530][ T9385]  ? kasan_save_track (mm/kasan/common.c:78)
[  552.885531][ T9385]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  552.885534][ T9385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  552.885535][ T9385]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  552.885538][ T9385]  ? ___sys_sendmsg (net/socket.c:2758)
[  552.885548][ T9385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  552.885550][ T9385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  552.885553][ T9385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.885554][ T9385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.885556][ T9385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.885557][ T9385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.885559][ T9385]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  552.885561][ T9385]  ? __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)
[  552.885562][ T9385]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  552.885564][ T9385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  552.885567][ T9385]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  552.885569][ T9385]  ? nla_get_range_signed (lib/nlattr.c:270)
[  552.885573][ T9385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.885576][ T9385]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  552.885581][ T9385]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  552.885586][ T9385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  552.885588][ T9385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  552.885592][ T9385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  552.885594][ T9385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  552.885596][ T9385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  552.885598][ T9385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  552.885601][ T9385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  552.885603][ T9385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  552.885606][ T9385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  552.885608][ T9385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  552.885612][ T9385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  552.885614][ T9385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  552.885617][ T9385]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  552.885620][ T9385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  552.885623][ T9385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  552.885629][ T9385]  ? 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))
[  552.885632][ T9385]  ? 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))
[  552.885636][ T9385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  552.885640][ T9385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  552.885642][ T9385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  552.885647][ T9385]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  552.885650][ T9385]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  552.885654][ T9385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  552.885656][ T9385]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  552.885661][ T9385]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  552.885664][ T9385]  ____sys_sendmsg (net/socket.c:2713)
[  552.885666][ T9385]  ? copy_msghdr_from_user (net/socket.c:2650)
[  552.885668][ T9385]  ? sock_write_iter (net/socket.c:1269)
[  552.885670][ T9385]  ? move_addr_to_kernel (net/socket.c:258)
[  552.885677][ T9385]  ___sys_sendmsg (net/socket.c:2767)
[  552.885680][ T9385]  ? copy_msghdr_from_user (net/socket.c:2619)
[  552.885695][ T9385]  __sys_sendmsg (net/socket.c:2799)
[  552.885698][ T9385]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  552.885704][ T9385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.885707][ T9385]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  552.885710][ T9385]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  552.885713][ T9385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  552.885715][ T9385] RIP: 0033:0x7feb99a5e54e
[  552.885719][ T9385] 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
[  552.885720][ T9385] RSP: 002b:00007ffff5196b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  552.885723][ T9385] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007feb99a5e54e
[  552.885724][ T9385] RDX: 0000000000000000 RSI: 00007ffff5196be0 RDI: 0000000000000005
[  552.885725][ T9385] RBP: 00007ffff5196b40 R08: 0000000000000000 R09: 0000000000000000
[  552.885726][ T9385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919027
[  552.885727][ T9385] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff51972b0
| [  561.767679][ T9528] softirqs last disabled at (20458): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  561.767682][ T9528] Preemption disabled at:
| [  561.767683][ T9528] vprintk_emit (kernel/printk/printk.c:2471)
| [  561.767694][ T9528] Tainted: [W]=WARN
[  561.767695][ T9528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  561.767698][ T9528] Call Trace:
[  561.767700][ T9528]  <TASK>
[  561.767702][ T9528]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  561.767709][ T9528]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  561.767712][ T9528]  __might_resched.cold (kernel/sched/core.c:9234)
[  561.767718][ T9528]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  561.767724][ T9528]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  561.767730][ T9528]  __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))
[  561.767734][ T9528]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  561.767743][ T9528]  ? 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)
[  561.767746][ T9528]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  561.767752][ T9528]  put_chars (drivers/char/virtio_console.c:1176)
[  561.767756][ T9528]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  561.767767][ T9528]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  561.767779][ T9528]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  561.767784][ T9528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.767792][ T9528]  console_emit_next_record (kernel/printk/printk.c:3183)
[  561.767798][ T9528]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  561.767800][ T9528]  ? 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))
[  561.767805][ T9528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.767809][ T9528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.767816][ T9528]  console_flush_one_record (kernel/printk/printk.c:3268)
[  561.767823][ T9528]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  561.767830][ T9528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  561.767839][ T9528]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  561.767843][ T9528]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  561.767846][ T9528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.767849][ T9528]  ? 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)
[  561.767855][ T9528]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  561.767857][ T9528]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  561.767862][ T9528]  vprintk_emit (kernel/printk/printk.c:2479)
[  561.767868][ T9528]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  561.767872][ T9528]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  561.767880][ T9528]  _printk (kernel/printk/printk.c:2504)
[  561.767885][ T9528]  ? snapshot_read.cold (user.c:?)
[  561.767887][ T9528]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  561.767892][ T9528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  561.767895][ T9528]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  561.767899][ T9528]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  561.767904][ T9528]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  561.767908][ T9528]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  561.767912][ T9528]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  561.767916][ T9528]  ? netdev_notice (net/core/dev.c:13194)
[  561.767920][ T9528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  561.767925][ T9528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  561.767929][ T9528]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  561.767935][ T9528]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  561.767939][ T9528]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  561.767942][ T9528]  ? register_netdev (net/core/dev.c:11618)
[  561.767944][ T9528]  ? 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))
[  561.767952][ T9528]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  561.767956][ T9528]  ? __kernel_text_address (kernel/extable.c:79)
[  561.767959][ T9528]  ? write_profile (profile.c:?)
[  561.767965][ T9528]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  561.767974][ T9528]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  561.767980][ T9528]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  561.767983][ T9528]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  561.767985][ T9528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  561.767988][ T9528]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  561.767993][ T9528]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  561.767996][ T9528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  561.767999][ T9528]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  561.768003][ T9528]  ? kasan_save_stack (mm/kasan/common.c:58)
[  561.768006][ T9528]  ? kasan_save_stack (mm/kasan/common.c:57)
[  561.768008][ T9528]  ? kasan_save_track (mm/kasan/common.c:78)
[  561.768010][ T9528]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  561.768014][ T9528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  561.768017][ T9528]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  561.768021][ T9528]  ? ___sys_sendmsg (net/socket.c:2758)
[  561.768027][ T9528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  561.768030][ T9528]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  561.768034][ T9528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.768037][ T9528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.768040][ T9528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.768041][ T9528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.768044][ T9528]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  561.768048][ T9528]  ? __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)
[  561.768050][ T9528]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  561.768054][ T9528]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  561.768060][ T9528]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  561.768061][ T9528]  ? nla_get_range_signed (lib/nlattr.c:270)
[  561.768069][ T9528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.768073][ T9528]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  561.768083][ T9528]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  561.768092][ T9528]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  561.768095][ T9528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  561.768103][ T9528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  561.768105][ T9528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  561.768109][ T9528]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  561.768111][ T9528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  561.768118][ T9528]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  561.768121][ T9528]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  561.768126][ T9528]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  561.768128][ T9528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  561.768136][ T9528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  561.768139][ T9528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  561.768145][ T9528]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  561.768149][ T9528]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  561.768154][ T9528]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  561.768165][ T9528]  ? 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))
[  561.768168][ T9528]  ? 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))
[  561.768176][ T9528]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  561.768182][ T9528]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  561.768186][ T9528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  561.768194][ T9528]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  561.768201][ T9528]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  561.768207][ T9528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  561.768210][ T9528]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  561.768218][ T9528]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  561.768222][ T9528]  ____sys_sendmsg (net/socket.c:2713)
[  561.768226][ T9528]  ? copy_msghdr_from_user (net/socket.c:2650)
[  561.768229][ T9528]  ? sock_write_iter (net/socket.c:1269)
[  561.768232][ T9528]  ? move_addr_to_kernel (net/socket.c:258)
[  561.768245][ T9528]  ___sys_sendmsg (net/socket.c:2767)
[  561.768250][ T9528]  ? copy_msghdr_from_user (net/socket.c:2619)
[  561.768278][ T9528]  __sys_sendmsg (net/socket.c:2799)
[  561.768283][ T9528]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  561.768294][ T9528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.768299][ T9528]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  561.768303][ T9528]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  561.768307][ T9528]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  561.768311][ T9528] RIP: 0033:0x7fb6e530a54e
[  561.768315][ T9528] 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
[  561.768318][ T9528] RSP: 002b:00007ffcad61f7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  561.768322][ T9528] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb6e530a54e
[  561.768324][ T9528] RDX: 0000000000000000 RSI: 00007ffcad61f860 RDI: 0000000000000005
[  561.768326][ T9528] RBP: 00007ffcad61f7c0 R08: 0000000000000000 R09: 0000000000000000
[  561.768327][ T9528] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919030
[  561.768328][ T9528] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcad61ff30
| [  570.683564][ T9671] softirqs last disabled at (17914): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  570.683567][ T9671] Preemption disabled at:
| [  570.683568][ T9671] vprintk_emit (kernel/printk/printk.c:2471)
| [  570.683576][ T9671] Tainted: [W]=WARN
[  570.683576][ T9671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  570.683578][ T9671] Call Trace:
[  570.683579][ T9671]  <TASK>
[  570.683581][ T9671]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  570.683587][ T9671]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  570.683588][ T9671]  __might_resched.cold (kernel/sched/core.c:9234)
[  570.683593][ T9671]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  570.683597][ T9671]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  570.683601][ T9671]  __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))
[  570.683603][ T9671]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  570.683613][ T9671]  ? 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)
[  570.683615][ T9671]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  570.683619][ T9671]  put_chars (drivers/char/virtio_console.c:1176)
[  570.683622][ T9671]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  570.683628][ T9671]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  570.683635][ T9671]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  570.683638][ T9671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  570.683642][ T9671]  console_emit_next_record (kernel/printk/printk.c:3183)
[  570.683646][ T9671]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  570.683648][ T9671]  ? 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))
[  570.683651][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.683654][ T9671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  570.683658][ T9671]  console_flush_one_record (kernel/printk/printk.c:3268)
[  570.683662][ T9671]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  570.683664][ T9671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  570.683669][ T9671]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  570.683672][ T9671]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  570.683673][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.683675][ T9671]  ? 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)
[  570.683678][ T9671]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  570.683680][ T9671]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  570.683683][ T9671]  vprintk_emit (kernel/printk/printk.c:2479)
[  570.683686][ T9671]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  570.683688][ T9671]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  570.683693][ T9671]  _printk (kernel/printk/printk.c:2504)
[  570.683697][ T9671]  ? snapshot_read.cold (user.c:?)
[  570.683699][ T9671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  570.683701][ T9671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  570.683704][ T9671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  570.683706][ T9671]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  570.683710][ T9671]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  570.683712][ T9671]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  570.683715][ T9671]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  570.683717][ T9671]  ? netdev_notice (net/core/dev.c:13194)
[  570.683720][ T9671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  570.683723][ T9671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  570.683725][ T9671]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  570.683729][ T9671]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  570.683731][ T9671]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  570.683733][ T9671]  ? register_netdev (net/core/dev.c:11618)
[  570.683734][ T9671]  ? 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))
[  570.683740][ T9671]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  570.683742][ T9671]  ? __kernel_text_address (kernel/extable.c:79)
[  570.683744][ T9671]  ? write_profile (profile.c:?)
[  570.683748][ T9671]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  570.683754][ T9671]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  570.683757][ T9671]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  570.683759][ T9671]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  570.683761][ T9671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  570.683763][ T9671]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  570.683766][ T9671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  570.683768][ T9671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  570.683770][ T9671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  570.683772][ T9671]  ? kasan_save_stack (mm/kasan/common.c:58)
[  570.683774][ T9671]  ? kasan_save_stack (mm/kasan/common.c:57)
[  570.683775][ T9671]  ? kasan_save_track (mm/kasan/common.c:78)
[  570.683776][ T9671]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  570.683778][ T9671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  570.683780][ T9671]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  570.683783][ T9671]  ? ___sys_sendmsg (net/socket.c:2758)
[  570.683787][ T9671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  570.683789][ T9671]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  570.683791][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.683793][ T9671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  570.683794][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.683795][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.683797][ T9671]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  570.683799][ T9671]  ? __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)
[  570.683801][ T9671]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  570.683803][ T9671]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  570.683806][ T9671]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  570.683807][ T9671]  ? nla_get_range_signed (lib/nlattr.c:270)
[  570.683812][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.683814][ T9671]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  570.683819][ T9671]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  570.683824][ T9671]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  570.683829][ T9671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  570.683833][ T9671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  570.683835][ T9671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  570.683837][ T9671]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  570.683839][ T9671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  570.683842][ T9671]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  570.683844][ T9671]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  570.683847][ T9671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  570.683849][ T9671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  570.683853][ T9671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  570.683855][ T9671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  570.683858][ T9671]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  570.683862][ T9671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  570.683864][ T9671]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  570.683870][ T9671]  ? 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))
[  570.683872][ T9671]  ? 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))
[  570.683877][ T9671]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  570.683881][ T9671]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  570.683883][ T9671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  570.683887][ T9671]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  570.683891][ T9671]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  570.683895][ T9671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  570.683896][ T9671]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  570.683901][ T9671]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  570.683904][ T9671]  ____sys_sendmsg (net/socket.c:2713)
[  570.683906][ T9671]  ? copy_msghdr_from_user (net/socket.c:2650)
[  570.683908][ T9671]  ? sock_write_iter (net/socket.c:1269)
[  570.683910][ T9671]  ? move_addr_to_kernel (net/socket.c:258)
[  570.683917][ T9671]  ___sys_sendmsg (net/socket.c:2767)
[  570.683920][ T9671]  ? copy_msghdr_from_user (net/socket.c:2619)
[  570.683935][ T9671]  __sys_sendmsg (net/socket.c:2799)
[  570.683938][ T9671]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  570.683944][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.683947][ T9671]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  570.683950][ T9671]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  570.683952][ T9671]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  570.683954][ T9671] RIP: 0033:0x7fea45efc54e
[  570.683958][ T9671] 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
[  570.683960][ T9671] RSP: 002b:00007ffdf9e133a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  570.683962][ T9671] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fea45efc54e
[  570.683964][ T9671] RDX: 0000000000000000 RSI: 00007ffdf9e13450 RDI: 0000000000000005
[  570.683964][ T9671] RBP: 00007ffdf9e133b0 R08: 0000000000000000 R09: 0000000000000000
[  570.683965][ T9671] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919038
[  570.683966][ T9671] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf9e13b20
| [  579.391409][ T9815] softirqs last disabled at (22958): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  579.391411][ T9815] Preemption disabled at:
| [  579.391412][ T9815] vprintk_emit (kernel/printk/printk.c:2471)
| [  579.391420][ T9815] Tainted: [W]=WARN
[  579.391421][ T9815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  579.391422][ T9815] Call Trace:
[  579.391424][ T9815]  <TASK>
[  579.391425][ T9815]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  579.391431][ T9815]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  579.391432][ T9815]  __might_resched.cold (kernel/sched/core.c:9234)
[  579.391437][ T9815]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  579.391440][ T9815]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  579.391445][ T9815]  __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))
[  579.391446][ T9815]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  579.391453][ T9815]  ? 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)
[  579.391455][ T9815]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  579.391459][ T9815]  put_chars (drivers/char/virtio_console.c:1176)
[  579.391461][ T9815]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  579.391467][ T9815]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  579.391474][ T9815]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  579.391478][ T9815]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.391482][ T9815]  console_emit_next_record (kernel/printk/printk.c:3183)
[  579.391486][ T9815]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  579.391487][ T9815]  ? 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))
[  579.391491][ T9815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.391493][ T9815]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.391497][ T9815]  console_flush_one_record (kernel/printk/printk.c:3268)
[  579.391501][ T9815]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  579.391503][ T9815]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  579.391508][ T9815]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  579.391511][ T9815]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  579.391513][ T9815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.391514][ T9815]  ? 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)
[  579.391518][ T9815]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  579.391519][ T9815]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  579.391522][ T9815]  vprintk_emit (kernel/printk/printk.c:2479)
[  579.391525][ T9815]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  579.391528][ T9815]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  579.391532][ T9815]  _printk (kernel/printk/printk.c:2504)
[  579.391536][ T9815]  ? snapshot_read.cold (user.c:?)
[  579.391538][ T9815]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  579.391540][ T9815]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  579.391543][ T9815]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  579.391545][ T9815]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  579.391549][ T9815]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  579.391551][ T9815]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  579.391553][ T9815]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  579.391556][ T9815]  ? netdev_notice (net/core/dev.c:13194)
[  579.391559][ T9815]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  579.391562][ T9815]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  579.391564][ T9815]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  579.391567][ T9815]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  579.391569][ T9815]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  579.391572][ T9815]  ? register_netdev (net/core/dev.c:11618)
[  579.391573][ T9815]  ? 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))
[  579.391578][ T9815]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  579.391581][ T9815]  ? __kernel_text_address (kernel/extable.c:79)
[  579.391583][ T9815]  ? write_profile (profile.c:?)
[  579.391587][ T9815]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  579.391593][ T9815]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  579.391596][ T9815]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  579.391598][ T9815]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  579.391599][ T9815]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  579.391601][ T9815]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  579.391605][ T9815]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  579.391606][ T9815]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  579.391608][ T9815]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  579.391610][ T9815]  ? kasan_save_stack (mm/kasan/common.c:58)
[  579.391612][ T9815]  ? kasan_save_stack (mm/kasan/common.c:57)
[  579.391613][ T9815]  ? kasan_save_track (mm/kasan/common.c:78)
[  579.391615][ T9815]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  579.391617][ T9815]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  579.391619][ T9815]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  579.391621][ T9815]  ? ___sys_sendmsg (net/socket.c:2758)
[  579.391625][ T9815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  579.391627][ T9815]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  579.391629][ T9815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.391631][ T9815]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.391632][ T9815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.391633][ T9815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.391635][ T9815]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  579.391637][ T9815]  ? __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)
[  579.391643][ T9815]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  579.391645][ T9815]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  579.391649][ T9815]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  579.391650][ T9815]  ? nla_get_range_signed (lib/nlattr.c:270)
[  579.391655][ T9815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.391657][ T9815]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  579.391662][ T9815]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  579.391667][ T9815]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  579.391669][ T9815]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  579.391673][ T9815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  579.391675][ T9815]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  579.391677][ T9815]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  579.391678][ T9815]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  579.391682][ T9815]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  579.391684][ T9815]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  579.391687][ T9815]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  579.391688][ T9815]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  579.391693][ T9815]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  579.391695][ T9815]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  579.391698][ T9815]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  579.391701][ T9815]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  579.391704][ T9815]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  579.391710][ T9815]  ? 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))
[  579.391712][ T9815]  ? 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))
[  579.391716][ T9815]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  579.391720][ T9815]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  579.391723][ T9815]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  579.391727][ T9815]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  579.391731][ T9815]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  579.391734][ T9815]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  579.391736][ T9815]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  579.391741][ T9815]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  579.391743][ T9815]  ____sys_sendmsg (net/socket.c:2713)
[  579.391746][ T9815]  ? copy_msghdr_from_user (net/socket.c:2650)
[  579.391748][ T9815]  ? sock_write_iter (net/socket.c:1269)
[  579.391749][ T9815]  ? move_addr_to_kernel (net/socket.c:258)
[  579.391757][ T9815]  ___sys_sendmsg (net/socket.c:2767)
[  579.391759][ T9815]  ? copy_msghdr_from_user (net/socket.c:2619)
[  579.391774][ T9815]  __sys_sendmsg (net/socket.c:2799)
[  579.391777][ T9815]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  579.391783][ T9815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.391786][ T9815]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  579.391789][ T9815]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  579.391792][ T9815]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  579.391794][ T9815] RIP: 0033:0x7f4d4a5c554e
[  579.391798][ T9815] 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
[  579.391799][ T9815] RSP: 002b:00007ffcade96fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  579.391802][ T9815] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4d4a5c554e
[  579.391803][ T9815] RDX: 0000000000000000 RSI: 00007ffcade97090 RDI: 0000000000000005
[  579.391804][ T9815] RBP: 00007ffcade96ff0 R08: 0000000000000000 R09: 0000000000000000
[  579.391805][ T9815] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919041
[  579.391806][ T9815] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcade97760
| [  587.970414][ T9958] softirqs last disabled at (24254): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  587.970416][ T9958] Preemption disabled at:
| [  587.970417][ T9958] vprintk_emit (kernel/printk/printk.c:2471)
| [  587.970425][ T9958] Tainted: [W]=WARN
[  587.970425][ T9958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  587.970427][ T9958] Call Trace:
[  587.970429][ T9958]  <TASK>
[  587.970430][ T9958]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  587.970436][ T9958]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  587.970438][ T9958]  __might_resched.cold (kernel/sched/core.c:9234)
[  587.970442][ T9958]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  587.970446][ T9958]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  587.970450][ T9958]  __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))
[  587.970452][ T9958]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  587.970458][ T9958]  ? 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)
[  587.970461][ T9958]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  587.970464][ T9958]  put_chars (drivers/char/virtio_console.c:1176)
[  587.970467][ T9958]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  587.970473][ T9958]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  587.970480][ T9958]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  587.970483][ T9958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.970487][ T9958]  console_emit_next_record (kernel/printk/printk.c:3183)
[  587.970491][ T9958]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  587.970493][ T9958]  ? 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))
[  587.970496][ T9958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.970499][ T9958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.970503][ T9958]  console_flush_one_record (kernel/printk/printk.c:3268)
[  587.970507][ T9958]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  587.970509][ T9958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  587.970514][ T9958]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  587.970516][ T9958]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  587.970518][ T9958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.970520][ T9958]  ? 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)
[  587.970524][ T9958]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  587.970525][ T9958]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  587.970528][ T9958]  vprintk_emit (kernel/printk/printk.c:2479)
[  587.970531][ T9958]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  587.970533][ T9958]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  587.970538][ T9958]  _printk (kernel/printk/printk.c:2504)
[  587.970542][ T9958]  ? snapshot_read.cold (user.c:?)
[  587.970543][ T9958]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  587.970546][ T9958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  587.970549][ T9958]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  587.970551][ T9958]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  587.970554][ T9958]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  587.970557][ T9958]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  587.970559][ T9958]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  587.970562][ T9958]  ? netdev_notice (net/core/dev.c:13194)
[  587.970565][ T9958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  587.970568][ T9958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  587.970570][ T9958]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  587.970573][ T9958]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  587.970575][ T9958]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  587.970578][ T9958]  ? register_netdev (net/core/dev.c:11618)
[  587.970579][ T9958]  ? 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))
[  587.970584][ T9958]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  587.970587][ T9958]  ? __kernel_text_address (kernel/extable.c:79)
[  587.970589][ T9958]  ? write_profile (profile.c:?)
[  587.970593][ T9958]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  587.970599][ T9958]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  587.970602][ T9958]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  587.970604][ T9958]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  587.970605][ T9958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  587.970607][ T9958]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  587.970610][ T9958]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  587.970612][ T9958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  587.970614][ T9958]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  587.970616][ T9958]  ? kasan_save_stack (mm/kasan/common.c:58)
[  587.970618][ T9958]  ? kasan_save_stack (mm/kasan/common.c:57)
[  587.970619][ T9958]  ? kasan_save_track (mm/kasan/common.c:78)
[  587.970620][ T9958]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  587.970623][ T9958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  587.970625][ T9958]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  587.970627][ T9958]  ? ___sys_sendmsg (net/socket.c:2758)
[  587.970631][ T9958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  587.970633][ T9958]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  587.970636][ T9958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.970637][ T9958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.970639][ T9958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.970640][ T9958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.970642][ T9958]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  587.970644][ T9958]  ? __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)
[  587.970645][ T9958]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  587.970647][ T9958]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  587.970650][ T9958]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  587.970651][ T9958]  ? nla_get_range_signed (lib/nlattr.c:270)
[  587.970656][ T9958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.970658][ T9958]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  587.970663][ T9958]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  587.970669][ T9958]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  587.970675][ T9958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  587.970680][ T9958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  587.970682][ T9958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  587.970683][ T9958]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  587.970685][ T9958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  587.970689][ T9958]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  587.970691][ T9958]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  587.970694][ T9958]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  587.970695][ T9958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  587.970699][ T9958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  587.970701][ T9958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  587.970704][ T9958]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  587.970708][ T9958]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  587.970711][ T9958]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  587.970717][ T9958]  ? 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))
[  587.970719][ T9958]  ? 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))
[  587.970723][ T9958]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  587.970727][ T9958]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  587.970729][ T9958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  587.970734][ T9958]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  587.970737][ T9958]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  587.970741][ T9958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  587.970743][ T9958]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  587.970748][ T9958]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  587.970751][ T9958]  ____sys_sendmsg (net/socket.c:2713)
[  587.970753][ T9958]  ? copy_msghdr_from_user (net/socket.c:2650)
[  587.970755][ T9958]  ? sock_write_iter (net/socket.c:1269)
[  587.970757][ T9958]  ? move_addr_to_kernel (net/socket.c:258)
[  587.970764][ T9958]  ___sys_sendmsg (net/socket.c:2767)
[  587.970766][ T9958]  ? copy_msghdr_from_user (net/socket.c:2619)
[  587.970782][ T9958]  __sys_sendmsg (net/socket.c:2799)
[  587.970785][ T9958]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  587.970791][ T9958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.970794][ T9958]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  587.970797][ T9958]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  587.970799][ T9958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  587.970801][ T9958] RIP: 0033:0x7fc5a378254e
[  587.970805][ T9958] 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
[  587.970807][ T9958] RSP: 002b:00007ffe4a2e25f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  587.970809][ T9958] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc5a378254e
[  587.970811][ T9958] RDX: 0000000000000000 RSI: 00007ffe4a2e26a0 RDI: 0000000000000005
[  587.970811][ T9958] RBP: 00007ffe4a2e2600 R08: 0000000000000000 R09: 0000000000000000
[  587.970812][ T9958] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91904a
[  587.970813][ T9958] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4a2e2d70
| [  596.605579][T10101] softirqs last disabled at (28104): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  596.605581][T10101] Preemption disabled at:
| [  596.605582][T10101] vprintk_emit (kernel/printk/printk.c:2471)
| [  596.605590][T10101] Tainted: [W]=WARN
[  596.605591][T10101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  596.605592][T10101] Call Trace:
[  596.605594][T10101]  <TASK>
[  596.605595][T10101]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  596.605601][T10101]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  596.605603][T10101]  __might_resched.cold (kernel/sched/core.c:9234)
[  596.605607][T10101]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  596.605611][T10101]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  596.605616][T10101]  __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))
[  596.605618][T10101]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  596.605624][T10101]  ? 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)
[  596.605626][T10101]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  596.605630][T10101]  put_chars (drivers/char/virtio_console.c:1176)
[  596.605632][T10101]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  596.605638][T10101]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  596.605646][T10101]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  596.605649][T10101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  596.605654][T10101]  console_emit_next_record (kernel/printk/printk.c:3183)
[  596.605657][T10101]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  596.605659][T10101]  ? 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))
[  596.605662][T10101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.605665][T10101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  596.605669][T10101]  console_flush_one_record (kernel/printk/printk.c:3268)
[  596.605673][T10101]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  596.605675][T10101]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  596.605680][T10101]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  596.605683][T10101]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  596.605685][T10101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.605686][T10101]  ? 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)
[  596.605690][T10101]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  596.605692][T10101]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  596.605694][T10101]  vprintk_emit (kernel/printk/printk.c:2479)
[  596.605697][T10101]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  596.605700][T10101]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  596.605708][T10101]  _printk (kernel/printk/printk.c:2504)
[  596.605713][T10101]  ? snapshot_read.cold (user.c:?)
[  596.605714][T10101]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  596.605717][T10101]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  596.605719][T10101]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  596.605722][T10101]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  596.605725][T10101]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  596.605728][T10101]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  596.605730][T10101]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  596.605733][T10101]  ? netdev_notice (net/core/dev.c:13194)
[  596.605735][T10101]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  596.605738][T10101]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  596.605741][T10101]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  596.605744][T10101]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  596.605746][T10101]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  596.605748][T10101]  ? register_netdev (net/core/dev.c:11618)
[  596.605750][T10101]  ? 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))
[  596.605755][T10101]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  596.605757][T10101]  ? __kernel_text_address (kernel/extable.c:79)
[  596.605760][T10101]  ? write_profile (profile.c:?)
[  596.605764][T10101]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  596.605769][T10101]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  596.605773][T10101]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  596.605775][T10101]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  596.605776][T10101]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  596.605778][T10101]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  596.605781][T10101]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  596.605783][T10101]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  596.605785][T10101]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  596.605787][T10101]  ? kasan_save_stack (mm/kasan/common.c:58)
[  596.605789][T10101]  ? kasan_save_stack (mm/kasan/common.c:57)
[  596.605790][T10101]  ? kasan_save_track (mm/kasan/common.c:78)
[  596.605792][T10101]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  596.605794][T10101]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  596.605796][T10101]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  596.605799][T10101]  ? ___sys_sendmsg (net/socket.c:2758)
[  596.605802][T10101]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  596.605804][T10101]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  596.605807][T10101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.605808][T10101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  596.605810][T10101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.605811][T10101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.605812][T10101]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  596.605815][T10101]  ? __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)
[  596.605816][T10101]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  596.605818][T10101]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  596.605821][T10101]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  596.605822][T10101]  ? nla_get_range_signed (lib/nlattr.c:270)
[  596.605830][T10101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.605832][T10101]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  596.605837][T10101]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  596.605842][T10101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  596.605844][T10101]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  596.605848][T10101]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  596.605850][T10101]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  596.605852][T10101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  596.605854][T10101]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  596.605857][T10101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  596.605859][T10101]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  596.605862][T10101]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  596.605864][T10101]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  596.605868][T10101]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  596.605870][T10101]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  596.605873][T10101]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  596.605876][T10101]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  596.605879][T10101]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  596.605885][T10101]  ? 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))
[  596.605887][T10101]  ? 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))
[  596.605891][T10101]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  596.605895][T10101]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  596.605898][T10101]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  596.605902][T10101]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  596.605906][T10101]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  596.605909][T10101]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  596.605911][T10101]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  596.605916][T10101]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  596.605919][T10101]  ____sys_sendmsg (net/socket.c:2713)
[  596.605921][T10101]  ? copy_msghdr_from_user (net/socket.c:2650)
[  596.605923][T10101]  ? sock_write_iter (net/socket.c:1269)
[  596.605925][T10101]  ? move_addr_to_kernel (net/socket.c:258)
[  596.605932][T10101]  ___sys_sendmsg (net/socket.c:2767)
[  596.605935][T10101]  ? copy_msghdr_from_user (net/socket.c:2619)
[  596.605950][T10101]  __sys_sendmsg (net/socket.c:2799)
[  596.605953][T10101]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  596.605959][T10101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.605962][T10101]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  596.605965][T10101]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  596.605967][T10101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  596.605969][T10101] RIP: 0033:0x7ff0822f854e
[  596.605973][T10101] 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
[  596.605975][T10101] RSP: 002b:00007ffc716afcc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  596.605977][T10101] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff0822f854e
[  596.605979][T10101] RDX: 0000000000000000 RSI: 00007ffc716afd70 RDI: 0000000000000005
[  596.605980][T10101] RBP: 00007ffc716afcd0 R08: 0000000000000000 R09: 0000000000000000
[  596.605980][T10101] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919052
[  596.605981][T10101] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc716b0440
| [  605.223467][T10244] softirqs last disabled at (22312): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  605.223470][T10244] Preemption disabled at:
| [  605.223470][T10244] vprintk_emit (kernel/printk/printk.c:2471)
| [  605.223478][T10244] Tainted: [W]=WARN
[  605.223479][T10244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  605.223480][T10244] Call Trace:
[  605.223482][T10244]  <TASK>
[  605.223483][T10244]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  605.223489][T10244]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  605.223491][T10244]  __might_resched.cold (kernel/sched/core.c:9234)
[  605.223495][T10244]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  605.223499][T10244]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  605.223503][T10244]  __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))
[  605.223505][T10244]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  605.223511][T10244]  ? 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)
[  605.223514][T10244]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  605.223517][T10244]  put_chars (drivers/char/virtio_console.c:1176)
[  605.223520][T10244]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  605.223525][T10244]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  605.223533][T10244]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  605.223536][T10244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.223540][T10244]  console_emit_next_record (kernel/printk/printk.c:3183)
[  605.223544][T10244]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  605.223546][T10244]  ? 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))
[  605.223549][T10244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.223552][T10244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.223555][T10244]  console_flush_one_record (kernel/printk/printk.c:3268)
[  605.223559][T10244]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  605.223561][T10244]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  605.223566][T10244]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  605.223569][T10244]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  605.223571][T10244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.223572][T10244]  ? 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)
[  605.223576][T10244]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  605.223577][T10244]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  605.223580][T10244]  vprintk_emit (kernel/printk/printk.c:2479)
[  605.223583][T10244]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  605.223586][T10244]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  605.223591][T10244]  _printk (kernel/printk/printk.c:2504)
[  605.223594][T10244]  ? snapshot_read.cold (user.c:?)
[  605.223596][T10244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  605.223598][T10244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  605.223601][T10244]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  605.223603][T10244]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  605.223607][T10244]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  605.223609][T10244]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  605.223611][T10244]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  605.223614][T10244]  ? netdev_notice (net/core/dev.c:13194)
[  605.223617][T10244]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  605.223620][T10244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  605.223623][T10244]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  605.223626][T10244]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  605.223628][T10244]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  605.223630][T10244]  ? register_netdev (net/core/dev.c:11618)
[  605.223631][T10244]  ? 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))
[  605.223637][T10244]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  605.223639][T10244]  ? __kernel_text_address (kernel/extable.c:79)
[  605.223641][T10244]  ? write_profile (profile.c:?)
[  605.223646][T10244]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  605.223651][T10244]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  605.223655][T10244]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  605.223657][T10244]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  605.223658][T10244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  605.223660][T10244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  605.223663][T10244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  605.223665][T10244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  605.223667][T10244]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  605.223669][T10244]  ? kasan_save_stack (mm/kasan/common.c:58)
[  605.223671][T10244]  ? kasan_save_stack (mm/kasan/common.c:57)
[  605.223672][T10244]  ? kasan_save_track (mm/kasan/common.c:78)
[  605.223673][T10244]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  605.223676][T10244]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  605.223678][T10244]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  605.223680][T10244]  ? ___sys_sendmsg (net/socket.c:2758)
[  605.223684][T10244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  605.223686][T10244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  605.223688][T10244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.223690][T10244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.223692][T10244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.223693][T10244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.223694][T10244]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  605.223696][T10244]  ? __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)
[  605.223698][T10244]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  605.223699][T10244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  605.223703][T10244]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  605.223704][T10244]  ? nla_get_range_signed (lib/nlattr.c:270)
[  605.223709][T10244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.223711][T10244]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  605.223716][T10244]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  605.223721][T10244]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.223723][T10244]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  605.223727][T10244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  605.223729][T10244]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  605.223731][T10244]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.223733][T10244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  605.223740][T10244]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.223742][T10244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  605.223745][T10244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  605.223747][T10244]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  605.223751][T10244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  605.223753][T10244]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  605.223756][T10244]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  605.223759][T10244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  605.223762][T10244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  605.223768][T10244]  ? 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))
[  605.223770][T10244]  ? 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))
[  605.223775][T10244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  605.223778][T10244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  605.223781][T10244]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  605.223785][T10244]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  605.223789][T10244]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  605.223792][T10244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  605.223794][T10244]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  605.223799][T10244]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  605.223802][T10244]  ____sys_sendmsg (net/socket.c:2713)
[  605.223804][T10244]  ? copy_msghdr_from_user (net/socket.c:2650)
[  605.223806][T10244]  ? sock_write_iter (net/socket.c:1269)
[  605.223808][T10244]  ? move_addr_to_kernel (net/socket.c:258)
[  605.223815][T10244]  ___sys_sendmsg (net/socket.c:2767)
[  605.223818][T10244]  ? copy_msghdr_from_user (net/socket.c:2619)
[  605.223836][T10244]  __sys_sendmsg (net/socket.c:2799)
[  605.223839][T10244]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  605.223845][T10244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.223848][T10244]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  605.223851][T10244]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  605.223854][T10244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  605.223856][T10244] RIP: 0033:0x7f336015054e
[  605.223859][T10244] 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
[  605.223861][T10244] RSP: 002b:00007fffc56aa840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  605.223864][T10244] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f336015054e
[  605.223865][T10244] RDX: 0000000000000000 RSI: 00007fffc56aa8f0 RDI: 0000000000000005
[  605.223866][T10244] RBP: 00007fffc56aa850 R08: 0000000000000000 R09: 0000000000000000
[  605.223867][T10244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91905b
[  605.223868][T10244] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc56aafc0
| [  613.954446][T10387] softirqs last disabled at (23930): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  613.954449][T10387] Preemption disabled at:
| [  613.954449][T10387] vprintk_emit (kernel/printk/printk.c:2471)
| [  613.954458][T10387] Tainted: [W]=WARN
[  613.954458][T10387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  613.954460][T10387] Call Trace:
[  613.954462][T10387]  <TASK>
[  613.954463][T10387]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  613.954469][T10387]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  613.954471][T10387]  __might_resched.cold (kernel/sched/core.c:9234)
[  613.954475][T10387]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  613.954479][T10387]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  613.954484][T10387]  __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))
[  613.954485][T10387]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  613.954492][T10387]  ? 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)
[  613.954494][T10387]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  613.954498][T10387]  put_chars (drivers/char/virtio_console.c:1176)
[  613.954501][T10387]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  613.954507][T10387]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  613.954514][T10387]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  613.954517][T10387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.954522][T10387]  console_emit_next_record (kernel/printk/printk.c:3183)
[  613.954526][T10387]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  613.954528][T10387]  ? 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))
[  613.954531][T10387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.954533][T10387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.954537][T10387]  console_flush_one_record (kernel/printk/printk.c:3268)
[  613.954541][T10387]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  613.954543][T10387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  613.954548][T10387]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  613.954551][T10387]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  613.954553][T10387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.954555][T10387]  ? 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)
[  613.954558][T10387]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  613.954560][T10387]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  613.954563][T10387]  vprintk_emit (kernel/printk/printk.c:2479)
[  613.954566][T10387]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  613.954568][T10387]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  613.954573][T10387]  _printk (kernel/printk/printk.c:2504)
[  613.954577][T10387]  ? snapshot_read.cold (user.c:?)
[  613.954579][T10387]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  613.954582][T10387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  613.954584][T10387]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  613.954586][T10387]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  613.954590][T10387]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  613.954593][T10387]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  613.954595][T10387]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  613.954598][T10387]  ? netdev_notice (net/core/dev.c:13194)
[  613.954601][T10387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  613.954604][T10387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  613.954606][T10387]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  613.954610][T10387]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  613.954612][T10387]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  613.954614][T10387]  ? register_netdev (net/core/dev.c:11618)
[  613.954615][T10387]  ? 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))
[  613.954620][T10387]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  613.954623][T10387]  ? __kernel_text_address (kernel/extable.c:79)
[  613.954625][T10387]  ? write_profile (profile.c:?)
[  613.954629][T10387]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  613.954635][T10387]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  613.954638][T10387]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  613.954640][T10387]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  613.954641][T10387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  613.954643][T10387]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  613.954647][T10387]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  613.954648][T10387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  613.954650][T10387]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  613.954653][T10387]  ? kasan_save_stack (mm/kasan/common.c:58)
[  613.954654][T10387]  ? kasan_save_stack (mm/kasan/common.c:57)
[  613.954656][T10387]  ? kasan_save_track (mm/kasan/common.c:78)
[  613.954657][T10387]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  613.954659][T10387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  613.954661][T10387]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  613.954664][T10387]  ? ___sys_sendmsg (net/socket.c:2758)
[  613.954667][T10387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  613.954669][T10387]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  613.954672][T10387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.954673][T10387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.954675][T10387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.954676][T10387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.954678][T10387]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  613.954680][T10387]  ? __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)
[  613.954681][T10387]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  613.954683][T10387]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  613.954686][T10387]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  613.954687][T10387]  ? nla_get_range_signed (lib/nlattr.c:270)
[  613.954692][T10387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.954694][T10387]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  613.954699][T10387]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  613.954705][T10387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  613.954706][T10387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  613.954711][T10387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  613.954713][T10387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  613.954715][T10387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  613.954716][T10387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  613.954720][T10387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  613.954722][T10387]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  613.954725][T10387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  613.954726][T10387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  613.954731][T10387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  613.954733][T10387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  613.954736][T10387]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  613.954742][T10387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  613.954745][T10387]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  613.954751][T10387]  ? 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))
[  613.954753][T10387]  ? 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))
[  613.954758][T10387]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  613.954761][T10387]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  613.954764][T10387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  613.954772][T10387]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  613.954776][T10387]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  613.954780][T10387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  613.954781][T10387]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  613.954786][T10387]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  613.954789][T10387]  ____sys_sendmsg (net/socket.c:2713)
[  613.954791][T10387]  ? copy_msghdr_from_user (net/socket.c:2650)
[  613.954794][T10387]  ? sock_write_iter (net/socket.c:1269)
[  613.954795][T10387]  ? move_addr_to_kernel (net/socket.c:258)
[  613.954803][T10387]  ___sys_sendmsg (net/socket.c:2767)
[  613.954805][T10387]  ? copy_msghdr_from_user (net/socket.c:2619)
[  613.954821][T10387]  __sys_sendmsg (net/socket.c:2799)
[  613.954824][T10387]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  613.954832][T10387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.954835][T10387]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  613.954838][T10387]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  613.954841][T10387]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  613.954844][T10387] RIP: 0033:0x7f58ea3d154e
[  613.954847][T10387] 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
[  613.954849][T10387] RSP: 002b:00007ffc9d885120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  613.954851][T10387] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f58ea3d154e
[  613.954853][T10387] RDX: 0000000000000000 RSI: 00007ffc9d8851d0 RDI: 0000000000000005
[  613.954854][T10387] RBP: 00007ffc9d885130 R08: 0000000000000000 R09: 0000000000000000
[  613.954855][T10387] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919064
[  613.954856][T10387] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9d8858a0
| [  622.693311][T10530] softirqs last disabled at (19740): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  622.693313][T10530] Preemption disabled at:
| [  622.693314][T10530] vprintk_emit (kernel/printk/printk.c:2471)
| [  622.693322][T10530] Tainted: [W]=WARN
[  622.693323][T10530] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  622.693324][T10530] Call Trace:
[  622.693326][T10530]  <TASK>
[  622.693327][T10530]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  622.693333][T10530]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  622.693335][T10530]  __might_resched.cold (kernel/sched/core.c:9234)
[  622.693339][T10530]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  622.693343][T10530]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  622.693348][T10530]  __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))
[  622.693350][T10530]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  622.693356][T10530]  ? 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)
[  622.693359][T10530]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  622.693363][T10530]  put_chars (drivers/char/virtio_console.c:1176)
[  622.693365][T10530]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  622.693371][T10530]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  622.693379][T10530]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  622.693382][T10530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.693386][T10530]  console_emit_next_record (kernel/printk/printk.c:3183)
[  622.693390][T10530]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  622.693392][T10530]  ? 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))
[  622.693395][T10530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.693398][T10530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.693402][T10530]  console_flush_one_record (kernel/printk/printk.c:3268)
[  622.693406][T10530]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  622.693408][T10530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  622.693413][T10530]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  622.693416][T10530]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  622.693418][T10530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.693419][T10530]  ? 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)
[  622.693423][T10530]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  622.693425][T10530]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  622.693427][T10530]  vprintk_emit (kernel/printk/printk.c:2479)
[  622.693431][T10530]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  622.693433][T10530]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  622.693438][T10530]  _printk (kernel/printk/printk.c:2504)
[  622.693442][T10530]  ? snapshot_read.cold (user.c:?)
[  622.693444][T10530]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  622.693446][T10530]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  622.693449][T10530]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  622.693451][T10530]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  622.693455][T10530]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  622.693458][T10530]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  622.693460][T10530]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  622.693463][T10530]  ? netdev_notice (net/core/dev.c:13194)
[  622.693465][T10530]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  622.693469][T10530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  622.693471][T10530]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  622.693474][T10530]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  622.693476][T10530]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  622.693478][T10530]  ? register_netdev (net/core/dev.c:11618)
[  622.693480][T10530]  ? 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))
[  622.693485][T10530]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  622.693488][T10530]  ? __kernel_text_address (kernel/extable.c:79)
[  622.693490][T10530]  ? write_profile (profile.c:?)
[  622.693494][T10530]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  622.693499][T10530]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  622.693503][T10530]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  622.693505][T10530]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  622.693506][T10530]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  622.693508][T10530]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  622.693511][T10530]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  622.693513][T10530]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  622.693515][T10530]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  622.693517][T10530]  ? kasan_save_stack (mm/kasan/common.c:58)
[  622.693519][T10530]  ? kasan_save_stack (mm/kasan/common.c:57)
[  622.693520][T10530]  ? kasan_save_track (mm/kasan/common.c:78)
[  622.693521][T10530]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  622.693523][T10530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  622.693525][T10530]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  622.693529][T10530]  ? ___sys_sendmsg (net/socket.c:2758)
[  622.693532][T10530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  622.693534][T10530]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  622.693537][T10530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.693539][T10530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.693540][T10530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.693541][T10530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.693543][T10530]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  622.693545][T10530]  ? __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)
[  622.693547][T10530]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  622.693548][T10530]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  622.693552][T10530]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  622.693553][T10530]  ? nla_get_range_signed (lib/nlattr.c:270)
[  622.693558][T10530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.693560][T10530]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  622.693565][T10530]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  622.693570][T10530]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  622.693572][T10530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  622.693576][T10530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  622.693578][T10530]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  622.693580][T10530]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  622.693582][T10530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  622.693586][T10530]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  622.693588][T10530]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  622.693591][T10530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  622.693592][T10530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  622.693596][T10530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  622.693598][T10530]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  622.693601][T10530]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  622.693605][T10530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  622.693607][T10530]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  622.693614][T10530]  ? 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))
[  622.693616][T10530]  ? 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))
[  622.693620][T10530]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  622.693624][T10530]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  622.693626][T10530]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  622.693630][T10530]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  622.693634][T10530]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  622.693638][T10530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  622.693639][T10530]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  622.693645][T10530]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  622.693647][T10530]  ____sys_sendmsg (net/socket.c:2713)
[  622.693650][T10530]  ? copy_msghdr_from_user (net/socket.c:2650)
[  622.693652][T10530]  ? sock_write_iter (net/socket.c:1269)
[  622.693654][T10530]  ? move_addr_to_kernel (net/socket.c:258)
[  622.693661][T10530]  ___sys_sendmsg (net/socket.c:2767)
[  622.693663][T10530]  ? copy_msghdr_from_user (net/socket.c:2619)
[  622.693679][T10530]  __sys_sendmsg (net/socket.c:2799)
[  622.693682][T10530]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  622.693688][T10530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.693691][T10530]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  622.693694][T10530]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  622.693696][T10530]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  622.693698][T10530] RIP: 0033:0x7f5f79fe054e
[  622.693702][T10530] 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
[  622.693704][T10530] RSP: 002b:00007ffddd604b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  622.693707][T10530] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5f79fe054e
[  622.693708][T10530] RDX: 0000000000000000 RSI: 00007ffddd604be0 RDI: 0000000000000005
[  622.693709][T10530] RBP: 00007ffddd604b40 R08: 0000000000000000 R09: 0000000000000000
[  622.693710][T10530] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91906c
[  622.693711][T10530] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddd6052b0
| [  631.290473][T10673] softirqs last disabled at (19984): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  631.290476][T10673] Preemption disabled at:
| [  631.290476][T10673] vprintk_emit (kernel/printk/printk.c:2471)
| [  631.290485][T10673] Tainted: [W]=WARN
[  631.290486][T10673] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  631.290487][T10673] Call Trace:
[  631.290488][T10673]  <TASK>
[  631.290490][T10673]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  631.290496][T10673]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  631.290497][T10673]  __might_resched.cold (kernel/sched/core.c:9234)
[  631.290502][T10673]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  631.290506][T10673]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  631.290510][T10673]  __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))
[  631.290512][T10673]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  631.290519][T10673]  ? 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)
[  631.290521][T10673]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  631.290525][T10673]  put_chars (drivers/char/virtio_console.c:1176)
[  631.290527][T10673]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  631.290534][T10673]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  631.290541][T10673]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  631.290544][T10673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.290549][T10673]  console_emit_next_record (kernel/printk/printk.c:3183)
[  631.290553][T10673]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  631.290555][T10673]  ? 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))
[  631.290558][T10673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.290561][T10673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.290565][T10673]  console_flush_one_record (kernel/printk/printk.c:3268)
[  631.290569][T10673]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  631.290571][T10673]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.290576][T10673]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  631.290579][T10673]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  631.290581][T10673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.290583][T10673]  ? 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)
[  631.290586][T10673]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  631.290588][T10673]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  631.290591][T10673]  vprintk_emit (kernel/printk/printk.c:2479)
[  631.290594][T10673]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  631.290597][T10673]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  631.290602][T10673]  _printk (kernel/printk/printk.c:2504)
[  631.290606][T10673]  ? snapshot_read.cold (user.c:?)
[  631.290607][T10673]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  631.290610][T10673]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  631.290612][T10673]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  631.290614][T10673]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  631.290618][T10673]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  631.290621][T10673]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.290623][T10673]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  631.290626][T10673]  ? netdev_notice (net/core/dev.c:13194)
[  631.290629][T10673]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.290632][T10673]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  631.290634][T10673]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  631.290638][T10673]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.290640][T10673]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  631.290642][T10673]  ? register_netdev (net/core/dev.c:11618)
[  631.290643][T10673]  ? 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))
[  631.290648][T10673]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  631.290651][T10673]  ? __kernel_text_address (kernel/extable.c:79)
[  631.290653][T10673]  ? write_profile (profile.c:?)
[  631.290657][T10673]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  631.290663][T10673]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.290666][T10673]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  631.290668][T10673]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  631.290670][T10673]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  631.290672][T10673]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  631.290675][T10673]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  631.290677][T10673]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  631.290679][T10673]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  631.290681][T10673]  ? kasan_save_stack (mm/kasan/common.c:58)
[  631.290683][T10673]  ? kasan_save_stack (mm/kasan/common.c:57)
[  631.290684][T10673]  ? kasan_save_track (mm/kasan/common.c:78)
[  631.290685][T10673]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  631.290688][T10673]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.290690][T10673]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  631.290692][T10673]  ? ___sys_sendmsg (net/socket.c:2758)
[  631.290696][T10673]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  631.290698][T10673]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  631.290701][T10673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.290702][T10673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.290704][T10673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.290705][T10673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.290707][T10673]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  631.290709][T10673]  ? __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)
[  631.290711][T10673]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  631.290712][T10673]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  631.290716][T10673]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  631.290717][T10673]  ? nla_get_range_signed (lib/nlattr.c:270)
[  631.290722][T10673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.290724][T10673]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  631.290729][T10673]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  631.290735][T10673]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.290737][T10673]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.290741][T10673]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  631.290743][T10673]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.290745][T10673]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.290747][T10673]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  631.290750][T10673]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.290752][T10673]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  631.290756][T10673]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  631.290757][T10673]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.290761][T10673]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  631.290763][T10673]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.290767][T10673]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  631.290770][T10673]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  631.290773][T10673]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  631.290779][T10673]  ? 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))
[  631.290781][T10673]  ? 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))
[  631.290786][T10673]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  631.290790][T10673]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  631.290792][T10673]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.290797][T10673]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  631.290801][T10673]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  631.290804][T10673]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  631.290806][T10673]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  631.290811][T10673]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  631.290814][T10673]  ____sys_sendmsg (net/socket.c:2713)
[  631.290816][T10673]  ? copy_msghdr_from_user (net/socket.c:2650)
[  631.290819][T10673]  ? sock_write_iter (net/socket.c:1269)
[  631.290820][T10673]  ? move_addr_to_kernel (net/socket.c:258)
[  631.290834][T10673]  ___sys_sendmsg (net/socket.c:2767)
[  631.290837][T10673]  ? copy_msghdr_from_user (net/socket.c:2619)
[  631.290853][T10673]  __sys_sendmsg (net/socket.c:2799)
[  631.290856][T10673]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  631.290862][T10673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.290865][T10673]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  631.290868][T10673]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  631.290871][T10673]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  631.290873][T10673] RIP: 0033:0x7fc12ba9354e
[  631.290877][T10673] 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
[  631.290879][T10673] RSP: 002b:00007ffd20a299d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  631.290881][T10673] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc12ba9354e
[  631.290883][T10673] RDX: 0000000000000000 RSI: 00007ffd20a29a80 RDI: 0000000000000005
[  631.290883][T10673] RBP: 00007ffd20a299e0 R08: 0000000000000000 R09: 0000000000000000
[  631.290884][T10673] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919075
[  631.290885][T10673] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd20a2a150
| [  639.893357][T10816] softirqs last disabled at (25178): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  639.893360][T10816] Preemption disabled at:
| [  639.893360][T10816] vprintk_emit (kernel/printk/printk.c:2471)
| [  639.893369][T10816] Tainted: [W]=WARN
[  639.893369][T10816] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  639.893371][T10816] Call Trace:
[  639.893372][T10816]  <TASK>
[  639.893374][T10816]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  639.893380][T10816]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  639.893382][T10816]  __might_resched.cold (kernel/sched/core.c:9234)
[  639.893386][T10816]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  639.893390][T10816]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  639.893395][T10816]  __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))
[  639.893397][T10816]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  639.893403][T10816]  ? 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)
[  639.893406][T10816]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  639.893409][T10816]  put_chars (drivers/char/virtio_console.c:1176)
[  639.893412][T10816]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  639.893418][T10816]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  639.893426][T10816]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  639.893429][T10816]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.893434][T10816]  console_emit_next_record (kernel/printk/printk.c:3183)
[  639.893438][T10816]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  639.893440][T10816]  ? 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))
[  639.893443][T10816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.893446][T10816]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.893450][T10816]  console_flush_one_record (kernel/printk/printk.c:3268)
[  639.893454][T10816]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  639.893456][T10816]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  639.893461][T10816]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  639.893464][T10816]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  639.893466][T10816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.893468][T10816]  ? 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)
[  639.893471][T10816]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  639.893473][T10816]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  639.893476][T10816]  vprintk_emit (kernel/printk/printk.c:2479)
[  639.893479][T10816]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  639.893481][T10816]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  639.893486][T10816]  _printk (kernel/printk/printk.c:2504)
[  639.893490][T10816]  ? snapshot_read.cold (user.c:?)
[  639.893492][T10816]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  639.893494][T10816]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  639.893497][T10816]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  639.893499][T10816]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  639.893503][T10816]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  639.893506][T10816]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  639.893508][T10816]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  639.893511][T10816]  ? netdev_notice (net/core/dev.c:13194)
[  639.893514][T10816]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  639.893517][T10816]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  639.893519][T10816]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  639.893523][T10816]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  639.893525][T10816]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  639.893527][T10816]  ? register_netdev (net/core/dev.c:11618)
[  639.893529][T10816]  ? 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))
[  639.893534][T10816]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  639.893536][T10816]  ? __kernel_text_address (kernel/extable.c:79)
[  639.893539][T10816]  ? write_profile (profile.c:?)
[  639.893543][T10816]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  639.893549][T10816]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  639.893552][T10816]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  639.893554][T10816]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  639.893555][T10816]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  639.893557][T10816]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  639.893561][T10816]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  639.893562][T10816]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  639.893564][T10816]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  639.893567][T10816]  ? kasan_save_stack (mm/kasan/common.c:58)
[  639.893569][T10816]  ? kasan_save_stack (mm/kasan/common.c:57)
[  639.893570][T10816]  ? kasan_save_track (mm/kasan/common.c:78)
[  639.893571][T10816]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  639.893573][T10816]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  639.893575][T10816]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  639.893578][T10816]  ? ___sys_sendmsg (net/socket.c:2758)
[  639.893582][T10816]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  639.893584][T10816]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  639.893587][T10816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.893588][T10816]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.893590][T10816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.893591][T10816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.893593][T10816]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  639.893595][T10816]  ? __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)
[  639.893596][T10816]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  639.893598][T10816]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  639.893602][T10816]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  639.893603][T10816]  ? nla_get_range_signed (lib/nlattr.c:270)
[  639.893608][T10816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.893610][T10816]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  639.893615][T10816]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  639.893620][T10816]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  639.893622][T10816]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  639.893627][T10816]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  639.893629][T10816]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  639.893631][T10816]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  639.893632][T10816]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  639.893636][T10816]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  639.893638][T10816]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  639.893641][T10816]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  639.893643][T10816]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  639.893647][T10816]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  639.893649][T10816]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  639.893652][T10816]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  639.893655][T10816]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  639.893658][T10816]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  639.893665][T10816]  ? 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))
[  639.893666][T10816]  ? 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))
[  639.893671][T10816]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  639.893675][T10816]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  639.893677][T10816]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  639.893681][T10816]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  639.893685][T10816]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  639.893689][T10816]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  639.893691][T10816]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  639.893696][T10816]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  639.893699][T10816]  ____sys_sendmsg (net/socket.c:2713)
[  639.893701][T10816]  ? copy_msghdr_from_user (net/socket.c:2650)
[  639.893703][T10816]  ? sock_write_iter (net/socket.c:1269)
[  639.893705][T10816]  ? move_addr_to_kernel (net/socket.c:258)
[  639.893712][T10816]  ___sys_sendmsg (net/socket.c:2767)
[  639.893715][T10816]  ? copy_msghdr_from_user (net/socket.c:2619)
[  639.893731][T10816]  __sys_sendmsg (net/socket.c:2799)
[  639.893734][T10816]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  639.893740][T10816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.893743][T10816]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  639.893746][T10816]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  639.893749][T10816]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  639.893751][T10816] RIP: 0033:0x7f18c58bd54e
[  639.893754][T10816] 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
[  639.893756][T10816] RSP: 002b:00007ffdc41faf50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  639.893759][T10816] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f18c58bd54e
[  639.893760][T10816] RDX: 0000000000000000 RSI: 00007ffdc41fb000 RDI: 0000000000000005
[  639.893761][T10816] RBP: 00007ffdc41faf60 R08: 0000000000000000 R09: 0000000000000000
[  639.893762][T10816] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91907e
[  639.893763][T10816] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc41fb6d0
| [  648.524343][T10959] softirqs last disabled at (28298): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  648.524346][T10959] Preemption disabled at:
| [  648.524347][T10959] vprintk_emit (kernel/printk/printk.c:2471)
| [  648.524354][T10959] Tainted: [W]=WARN
[  648.524355][T10959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  648.524357][T10959] Call Trace:
[  648.524358][T10959]  <TASK>
[  648.524360][T10959]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  648.524366][T10959]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  648.524368][T10959]  __might_resched.cold (kernel/sched/core.c:9234)
[  648.524372][T10959]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  648.524376][T10959]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  648.524380][T10959]  __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))
[  648.524382][T10959]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  648.524388][T10959]  ? 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)
[  648.524391][T10959]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  648.524395][T10959]  put_chars (drivers/char/virtio_console.c:1176)
[  648.524397][T10959]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  648.524403][T10959]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  648.524411][T10959]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  648.524414][T10959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.524419][T10959]  console_emit_next_record (kernel/printk/printk.c:3183)
[  648.524422][T10959]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  648.524424][T10959]  ? 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))
[  648.524428][T10959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.524430][T10959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.524434][T10959]  console_flush_one_record (kernel/printk/printk.c:3268)
[  648.524438][T10959]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  648.524440][T10959]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  648.524445][T10959]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  648.524448][T10959]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  648.524450][T10959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.524451][T10959]  ? 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)
[  648.524455][T10959]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  648.524457][T10959]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  648.524459][T10959]  vprintk_emit (kernel/printk/printk.c:2479)
[  648.524462][T10959]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  648.524465][T10959]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  648.524470][T10959]  _printk (kernel/printk/printk.c:2504)
[  648.524474][T10959]  ? snapshot_read.cold (user.c:?)
[  648.524476][T10959]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  648.524478][T10959]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  648.524481][T10959]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  648.524483][T10959]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  648.524487][T10959]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  648.524489][T10959]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  648.524492][T10959]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  648.524494][T10959]  ? netdev_notice (net/core/dev.c:13194)
[  648.524497][T10959]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  648.524500][T10959]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  648.524503][T10959]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  648.524506][T10959]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  648.524508][T10959]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  648.524510][T10959]  ? register_netdev (net/core/dev.c:11618)
[  648.524512][T10959]  ? 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))
[  648.524517][T10959]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  648.524520][T10959]  ? __kernel_text_address (kernel/extable.c:79)
[  648.524522][T10959]  ? write_profile (profile.c:?)
[  648.524526][T10959]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  648.524532][T10959]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  648.524535][T10959]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  648.524537][T10959]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  648.524538][T10959]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  648.524540][T10959]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  648.524543][T10959]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  648.524545][T10959]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  648.524547][T10959]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  648.524549][T10959]  ? kasan_save_stack (mm/kasan/common.c:58)
[  648.524551][T10959]  ? kasan_save_stack (mm/kasan/common.c:57)
[  648.524552][T10959]  ? kasan_save_track (mm/kasan/common.c:78)
[  648.524553][T10959]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  648.524556][T10959]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  648.524557][T10959]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  648.524560][T10959]  ? ___sys_sendmsg (net/socket.c:2758)
[  648.524564][T10959]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  648.524566][T10959]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  648.524568][T10959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.524570][T10959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.524572][T10959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.524573][T10959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.524574][T10959]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  648.524577][T10959]  ? __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)
[  648.524578][T10959]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  648.524580][T10959]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  648.524583][T10959]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  648.524584][T10959]  ? nla_get_range_signed (lib/nlattr.c:270)
[  648.524589][T10959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.524591][T10959]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  648.524596][T10959]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  648.524602][T10959]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  648.524604][T10959]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  648.524608][T10959]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  648.524610][T10959]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  648.524612][T10959]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  648.524613][T10959]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  648.524617][T10959]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  648.524619][T10959]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  648.524622][T10959]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  648.524623][T10959]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  648.524628][T10959]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  648.524630][T10959]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  648.524633][T10959]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  648.524636][T10959]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  648.524639][T10959]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  648.524645][T10959]  ? 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))
[  648.524647][T10959]  ? 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))
[  648.524651][T10959]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  648.524655][T10959]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  648.524658][T10959]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  648.524662][T10959]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  648.524666][T10959]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  648.524669][T10959]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  648.524671][T10959]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  648.524676][T10959]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  648.524679][T10959]  ____sys_sendmsg (net/socket.c:2713)
[  648.524681][T10959]  ? copy_msghdr_from_user (net/socket.c:2650)
[  648.524683][T10959]  ? sock_write_iter (net/socket.c:1269)
[  648.524685][T10959]  ? move_addr_to_kernel (net/socket.c:258)
[  648.524692][T10959]  ___sys_sendmsg (net/socket.c:2767)
[  648.524695][T10959]  ? copy_msghdr_from_user (net/socket.c:2619)
[  648.524710][T10959]  __sys_sendmsg (net/socket.c:2799)
[  648.524713][T10959]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  648.524719][T10959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.524722][T10959]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  648.524725][T10959]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  648.524728][T10959]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  648.524730][T10959] RIP: 0033:0x7fd503a1954e
[  648.524734][T10959] 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
[  648.524735][T10959] RSP: 002b:00007ffe85bcebe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  648.524738][T10959] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd503a1954e
[  648.524740][T10959] RDX: 0000000000000000 RSI: 00007ffe85bcec90 RDI: 0000000000000005
[  648.524741][T10959] RBP: 00007ffe85bcebf0 R08: 0000000000000000 R09: 0000000000000000
[  648.524741][T10959] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919086
[  648.524742][T10959] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe85bcf360
| [  657.183378][T11102] softirqs last disabled at (23466): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  657.183380][T11102] Preemption disabled at:
| [  657.183381][T11102] vprintk_emit (kernel/printk/printk.c:2471)
| [  657.183389][T11102] Tainted: [W]=WARN
[  657.183390][T11102] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  657.183391][T11102] Call Trace:
[  657.183392][T11102]  <TASK>
[  657.183394][T11102]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  657.183400][T11102]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  657.183401][T11102]  __might_resched.cold (kernel/sched/core.c:9234)
[  657.183405][T11102]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  657.183410][T11102]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  657.183414][T11102]  __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))
[  657.183416][T11102]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  657.183422][T11102]  ? 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)
[  657.183424][T11102]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  657.183429][T11102]  put_chars (drivers/char/virtio_console.c:1176)
[  657.183431][T11102]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  657.183437][T11102]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  657.183445][T11102]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  657.183448][T11102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.183453][T11102]  console_emit_next_record (kernel/printk/printk.c:3183)
[  657.183457][T11102]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  657.183459][T11102]  ? 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))
[  657.183462][T11102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.183464][T11102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.183468][T11102]  console_flush_one_record (kernel/printk/printk.c:3268)
[  657.183473][T11102]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  657.183474][T11102]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  657.183480][T11102]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  657.183482][T11102]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  657.183484][T11102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.183486][T11102]  ? 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)
[  657.183490][T11102]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  657.183491][T11102]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  657.183494][T11102]  vprintk_emit (kernel/printk/printk.c:2479)
[  657.183497][T11102]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  657.183500][T11102]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  657.183505][T11102]  _printk (kernel/printk/printk.c:2504)
[  657.183508][T11102]  ? snapshot_read.cold (user.c:?)
[  657.183510][T11102]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  657.183513][T11102]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  657.183515][T11102]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  657.183517][T11102]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  657.183521][T11102]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  657.183524][T11102]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  657.183526][T11102]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  657.183529][T11102]  ? netdev_notice (net/core/dev.c:13194)
[  657.183531][T11102]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  657.183535][T11102]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  657.183537][T11102]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  657.183541][T11102]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  657.183543][T11102]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  657.183545][T11102]  ? register_netdev (net/core/dev.c:11618)
[  657.183546][T11102]  ? 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))
[  657.183551][T11102]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  657.183554][T11102]  ? __kernel_text_address (kernel/extable.c:79)
[  657.183556][T11102]  ? write_profile (profile.c:?)
[  657.183560][T11102]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  657.183566][T11102]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  657.183569][T11102]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  657.183571][T11102]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  657.183573][T11102]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  657.183575][T11102]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  657.183578][T11102]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  657.183580][T11102]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  657.183582][T11102]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  657.183584][T11102]  ? kasan_save_stack (mm/kasan/common.c:58)
[  657.183586][T11102]  ? kasan_save_stack (mm/kasan/common.c:57)
[  657.183587][T11102]  ? kasan_save_track (mm/kasan/common.c:78)
[  657.183588][T11102]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  657.183590][T11102]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  657.183592][T11102]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  657.183595][T11102]  ? ___sys_sendmsg (net/socket.c:2758)
[  657.183599][T11102]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  657.183601][T11102]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  657.183603][T11102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.183605][T11102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.183607][T11102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.183608][T11102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.183610][T11102]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  657.183612][T11102]  ? __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)
[  657.183613][T11102]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  657.183615][T11102]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  657.183618][T11102]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  657.183620][T11102]  ? nla_get_range_signed (lib/nlattr.c:270)
[  657.183625][T11102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.183627][T11102]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  657.183632][T11102]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  657.183637][T11102]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  657.183639][T11102]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  657.183644][T11102]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  657.183646][T11102]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  657.183648][T11102]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  657.183649][T11102]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  657.183653][T11102]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  657.183655][T11102]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  657.183658][T11102]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  657.183660][T11102]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  657.183664][T11102]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  657.183666][T11102]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  657.183669][T11102]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  657.183673][T11102]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  657.183675][T11102]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  657.183682][T11102]  ? 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))
[  657.183684][T11102]  ? 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))
[  657.183688][T11102]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  657.183692][T11102]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  657.183695][T11102]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  657.183699][T11102]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  657.183703][T11102]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  657.183707][T11102]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  657.183708][T11102]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  657.183714][T11102]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  657.183716][T11102]  ____sys_sendmsg (net/socket.c:2713)
[  657.183719][T11102]  ? copy_msghdr_from_user (net/socket.c:2650)
[  657.183721][T11102]  ? sock_write_iter (net/socket.c:1269)
[  657.183723][T11102]  ? move_addr_to_kernel (net/socket.c:258)
[  657.183730][T11102]  ___sys_sendmsg (net/socket.c:2767)
[  657.183733][T11102]  ? copy_msghdr_from_user (net/socket.c:2619)
[  657.183749][T11102]  __sys_sendmsg (net/socket.c:2799)
[  657.183752][T11102]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  657.183758][T11102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.183761][T11102]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  657.183764][T11102]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  657.183767][T11102]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  657.183770][T11102] RIP: 0033:0x7fc44947a54e
[  657.183773][T11102] 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
[  657.183775][T11102] RSP: 002b:00007ffd8a9dca10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  657.183778][T11102] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc44947a54e
[  657.183780][T11102] RDX: 0000000000000000 RSI: 00007ffd8a9dcac0 RDI: 0000000000000005
[  657.183780][T11102] RBP: 00007ffd8a9dca20 R08: 0000000000000000 R09: 0000000000000000
[  657.183781][T11102] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91908f
[  657.183782][T11102] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8a9dd190
| [  665.852314][T11245] softirqs last disabled at (26490): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  665.852317][T11245] Preemption disabled at:
| [  665.852317][T11245] vprintk_emit (kernel/printk/printk.c:2471)
| [  665.852325][T11245] Tainted: [W]=WARN
[  665.852326][T11245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  665.852327][T11245] Call Trace:
[  665.852329][T11245]  <TASK>
[  665.852330][T11245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  665.852336][T11245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  665.852337][T11245]  __might_resched.cold (kernel/sched/core.c:9234)
[  665.852342][T11245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  665.852346][T11245]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  665.852350][T11245]  __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))
[  665.852352][T11245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  665.852358][T11245]  ? 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)
[  665.852360][T11245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  665.852364][T11245]  put_chars (drivers/char/virtio_console.c:1176)
[  665.852366][T11245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  665.852373][T11245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  665.852380][T11245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  665.852383][T11245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.852387][T11245]  console_emit_next_record (kernel/printk/printk.c:3183)
[  665.852391][T11245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  665.852393][T11245]  ? 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))
[  665.852397][T11245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.852399][T11245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.852403][T11245]  console_flush_one_record (kernel/printk/printk.c:3268)
[  665.852407][T11245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  665.852409][T11245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  665.852414][T11245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  665.852417][T11245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  665.852419][T11245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.852421][T11245]  ? 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)
[  665.852424][T11245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  665.852426][T11245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  665.852429][T11245]  vprintk_emit (kernel/printk/printk.c:2479)
[  665.852432][T11245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  665.852434][T11245]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  665.852439][T11245]  _printk (kernel/printk/printk.c:2504)
[  665.852443][T11245]  ? snapshot_read.cold (user.c:?)
[  665.852445][T11245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  665.852447][T11245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  665.852450][T11245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  665.852452][T11245]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  665.852456][T11245]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  665.852459][T11245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  665.852461][T11245]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  665.852464][T11245]  ? netdev_notice (net/core/dev.c:13194)
[  665.852466][T11245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  665.852469][T11245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  665.852472][T11245]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  665.852475][T11245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  665.852477][T11245]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  665.852479][T11245]  ? register_netdev (net/core/dev.c:11618)
[  665.852481][T11245]  ? 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))
[  665.852486][T11245]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  665.852489][T11245]  ? __kernel_text_address (kernel/extable.c:79)
[  665.852491][T11245]  ? write_profile (profile.c:?)
[  665.852495][T11245]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  665.852500][T11245]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  665.852504][T11245]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  665.852506][T11245]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  665.852507][T11245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  665.852509][T11245]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  665.852512][T11245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  665.852514][T11245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  665.852516][T11245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  665.852519][T11245]  ? kasan_save_stack (mm/kasan/common.c:58)
[  665.852520][T11245]  ? kasan_save_stack (mm/kasan/common.c:57)
[  665.852522][T11245]  ? kasan_save_track (mm/kasan/common.c:78)
[  665.852523][T11245]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  665.852525][T11245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  665.852527][T11245]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  665.852530][T11245]  ? ___sys_sendmsg (net/socket.c:2758)
[  665.852534][T11245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  665.852536][T11245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  665.852538][T11245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.852540][T11245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.852542][T11245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.852543][T11245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.852545][T11245]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  665.852547][T11245]  ? __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)
[  665.852548][T11245]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  665.852550][T11245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  665.852554][T11245]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  665.852555][T11245]  ? nla_get_range_signed (lib/nlattr.c:270)
[  665.852560][T11245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.852562][T11245]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  665.852567][T11245]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  665.852572][T11245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  665.852574][T11245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  665.852579][T11245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  665.852580][T11245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  665.852582][T11245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  665.852584][T11245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  665.852588][T11245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  665.852590][T11245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  665.852593][T11245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  665.852594][T11245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  665.852599][T11245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  665.852601][T11245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  665.852604][T11245]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  665.852607][T11245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  665.852610][T11245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  665.852616][T11245]  ? 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))
[  665.852618][T11245]  ? 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))
[  665.852623][T11245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  665.852627][T11245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  665.852629][T11245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  665.852633][T11245]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  665.852637][T11245]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  665.852641][T11245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  665.852643][T11245]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  665.852648][T11245]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  665.852651][T11245]  ____sys_sendmsg (net/socket.c:2713)
[  665.852653][T11245]  ? copy_msghdr_from_user (net/socket.c:2650)
[  665.852655][T11245]  ? sock_write_iter (net/socket.c:1269)
[  665.852657][T11245]  ? move_addr_to_kernel (net/socket.c:258)
[  665.852664][T11245]  ___sys_sendmsg (net/socket.c:2767)
[  665.852667][T11245]  ? copy_msghdr_from_user (net/socket.c:2619)
[  665.852682][T11245]  __sys_sendmsg (net/socket.c:2799)
[  665.852685][T11245]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  665.852691][T11245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.852694][T11245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  665.852697][T11245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  665.852700][T11245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  665.852702][T11245] RIP: 0033:0x7fd1de05154e
[  665.852706][T11245] 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
[  665.852708][T11245] RSP: 002b:00007ffcaee37450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  665.852710][T11245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd1de05154e
[  665.852712][T11245] RDX: 0000000000000000 RSI: 00007ffcaee37500 RDI: 0000000000000005
[  665.852713][T11245] RBP: 00007ffcaee37460 R08: 0000000000000000 R09: 0000000000000000
[  665.852714][T11245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919098
[  665.852714][T11245] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcaee37bd0
| [  674.501260][T11389] softirqs last disabled at (30166): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  674.501263][T11389] Preemption disabled at:
| [  674.501263][T11389] vprintk_emit (kernel/printk/printk.c:2471)
| [  674.501271][T11389] Tainted: [W]=WARN
[  674.501272][T11389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  674.501274][T11389] Call Trace:
[  674.501275][T11389]  <TASK>
[  674.501277][T11389]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  674.501283][T11389]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  674.501284][T11389]  __might_resched.cold (kernel/sched/core.c:9234)
[  674.501288][T11389]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  674.501292][T11389]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  674.501297][T11389]  __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))
[  674.501299][T11389]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  674.501305][T11389]  ? 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)
[  674.501308][T11389]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  674.501311][T11389]  put_chars (drivers/char/virtio_console.c:1176)
[  674.501314][T11389]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  674.501320][T11389]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  674.501327][T11389]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  674.501331][T11389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.501335][T11389]  console_emit_next_record (kernel/printk/printk.c:3183)
[  674.501339][T11389]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  674.501341][T11389]  ? 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))
[  674.501344][T11389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.501347][T11389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.501351][T11389]  console_flush_one_record (kernel/printk/printk.c:3268)
[  674.501355][T11389]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  674.501357][T11389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  674.501362][T11389]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  674.501365][T11389]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  674.501366][T11389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.501368][T11389]  ? 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)
[  674.501372][T11389]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  674.501374][T11389]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  674.501376][T11389]  vprintk_emit (kernel/printk/printk.c:2479)
[  674.501379][T11389]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  674.501382][T11389]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  674.501387][T11389]  _printk (kernel/printk/printk.c:2504)
[  674.501391][T11389]  ? snapshot_read.cold (user.c:?)
[  674.501392][T11389]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  674.501395][T11389]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  674.501398][T11389]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  674.501400][T11389]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  674.501404][T11389]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  674.501406][T11389]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  674.501409][T11389]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  674.501412][T11389]  ? netdev_notice (net/core/dev.c:13194)
[  674.501414][T11389]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  674.501417][T11389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  674.501420][T11389]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  674.501423][T11389]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  674.501425][T11389]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  674.501427][T11389]  ? register_netdev (net/core/dev.c:11618)
[  674.501429][T11389]  ? 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))
[  674.501434][T11389]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  674.501436][T11389]  ? __kernel_text_address (kernel/extable.c:79)
[  674.501439][T11389]  ? write_profile (profile.c:?)
[  674.501443][T11389]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  674.501449][T11389]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  674.501452][T11389]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  674.501454][T11389]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  674.501455][T11389]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  674.501457][T11389]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  674.501461][T11389]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  674.501462][T11389]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  674.501464][T11389]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  674.501467][T11389]  ? kasan_save_stack (mm/kasan/common.c:58)
[  674.501469][T11389]  ? kasan_save_stack (mm/kasan/common.c:57)
[  674.501470][T11389]  ? kasan_save_track (mm/kasan/common.c:78)
[  674.501471][T11389]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  674.501473][T11389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  674.501475][T11389]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  674.501478][T11389]  ? ___sys_sendmsg (net/socket.c:2758)
[  674.501482][T11389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  674.501484][T11389]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  674.501487][T11389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.501488][T11389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.501490][T11389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.501491][T11389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.501492][T11389]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  674.501495][T11389]  ? __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)
[  674.501496][T11389]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  674.501498][T11389]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  674.501501][T11389]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  674.501502][T11389]  ? nla_get_range_signed (lib/nlattr.c:270)
[  674.501508][T11389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.501510][T11389]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  674.501515][T11389]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  674.501520][T11389]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  674.501522][T11389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  674.501526][T11389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  674.501528][T11389]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  674.501530][T11389]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  674.501532][T11389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  674.501536][T11389]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  674.501538][T11389]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  674.501541][T11389]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  674.501542][T11389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  674.501547][T11389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  674.501548][T11389]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  674.501552][T11389]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  674.501555][T11389]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  674.501558][T11389]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  674.501564][T11389]  ? 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))
[  674.501566][T11389]  ? 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))
[  674.501570][T11389]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  674.501574][T11389]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  674.501577][T11389]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  674.501581][T11389]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  674.501585][T11389]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  674.501589][T11389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  674.501590][T11389]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  674.501595][T11389]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  674.501598][T11389]  ____sys_sendmsg (net/socket.c:2713)
[  674.501600][T11389]  ? copy_msghdr_from_user (net/socket.c:2650)
[  674.501603][T11389]  ? sock_write_iter (net/socket.c:1269)
[  674.501604][T11389]  ? move_addr_to_kernel (net/socket.c:258)
[  674.501611][T11389]  ___sys_sendmsg (net/socket.c:2767)
[  674.501614][T11389]  ? copy_msghdr_from_user (net/socket.c:2619)
[  674.501629][T11389]  __sys_sendmsg (net/socket.c:2799)
[  674.501632][T11389]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  674.501638][T11389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.501641][T11389]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  674.501644][T11389]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  674.501647][T11389]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  674.501650][T11389] RIP: 0033:0x7f6dc19f054e
[  674.501653][T11389] 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
[  674.501655][T11389] RSP: 002b:00007ffe3c77b3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  674.501658][T11389] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6dc19f054e
[  674.501659][T11389] RDX: 0000000000000000 RSI: 00007ffe3c77b450 RDI: 0000000000000005
[  674.501660][T11389] RBP: 00007ffe3c77b3b0 R08: 0000000000000000 R09: 0000000000000000
[  674.501661][T11389] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190a0
[  674.501662][T11389] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3c77bb20
| [  683.129416][T11532] softirqs last disabled at (18094): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  683.129419][T11532] Preemption disabled at:
| [  683.129419][T11532] vprintk_emit (kernel/printk/printk.c:2471)
| [  683.129427][T11532] Tainted: [W]=WARN
[  683.129428][T11532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  683.129429][T11532] Call Trace:
[  683.129431][T11532]  <TASK>
[  683.129433][T11532]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  683.129439][T11532]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  683.129440][T11532]  __might_resched.cold (kernel/sched/core.c:9234)
[  683.129444][T11532]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  683.129449][T11532]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  683.129453][T11532]  __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))
[  683.129455][T11532]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  683.129461][T11532]  ? 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)
[  683.129464][T11532]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  683.129468][T11532]  put_chars (drivers/char/virtio_console.c:1176)
[  683.129470][T11532]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  683.129476][T11532]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  683.129484][T11532]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  683.129487][T11532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  683.129491][T11532]  console_emit_next_record (kernel/printk/printk.c:3183)
[  683.129495][T11532]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  683.129497][T11532]  ? 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))
[  683.129500][T11532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.129503][T11532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  683.129507][T11532]  console_flush_one_record (kernel/printk/printk.c:3268)
[  683.129511][T11532]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  683.129513][T11532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  683.129518][T11532]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  683.129521][T11532]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  683.129523][T11532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.129524][T11532]  ? 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)
[  683.129528][T11532]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  683.129530][T11532]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  683.129532][T11532]  vprintk_emit (kernel/printk/printk.c:2479)
[  683.129536][T11532]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  683.129538][T11532]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  683.129543][T11532]  _printk (kernel/printk/printk.c:2504)
[  683.129547][T11532]  ? snapshot_read.cold (user.c:?)
[  683.129548][T11532]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  683.129551][T11532]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  683.129553][T11532]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  683.129556][T11532]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  683.129559][T11532]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  683.129562][T11532]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  683.129565][T11532]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  683.129567][T11532]  ? netdev_notice (net/core/dev.c:13194)
[  683.129570][T11532]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  683.129573][T11532]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  683.129576][T11532]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  683.129579][T11532]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  683.129581][T11532]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  683.129583][T11532]  ? register_netdev (net/core/dev.c:11618)
[  683.129585][T11532]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  683.129587][T11532]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  683.129590][T11532]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  683.129594][T11532]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  683.129595][T11532]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  683.129601][T11532]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  683.129604][T11532]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369)
[  683.129607][T11532]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  683.129609][T11532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.129610][T11532]  ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22))
[  683.129613][T11532]  ? __schedule (kernel/sched/core.c:7277)
[  683.129618][T11532]  ? io_schedule_timeout (kernel/sched/core.c:8159 (discriminator 1))
[  683.129625][T11532]  ? preempt_schedule_common (kernel/sched/core.c:7449)
[  683.129627][T11532]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  683.129630][T11532]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  683.129632][T11532]  ? trace_contention_end (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/lock.h:121)
[  683.129635][T11532]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 5) kernel/locking/mutex.c:821 (discriminator 5))
[  683.129637][T11532]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  683.129641][T11532]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  683.129642][T11532]  ? nla_get_range_signed (lib/nlattr.c:270)
[  683.129648][T11532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.129650][T11532]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  683.129655][T11532]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  683.129660][T11532]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  683.129662][T11532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  683.129666][T11532]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  683.129668][T11532]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  683.129670][T11532]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  683.129672][T11532]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  683.129676][T11532]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  683.129678][T11532]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  683.129681][T11532]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  683.129683][T11532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  683.129687][T11532]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  683.129689][T11532]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  683.129692][T11532]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  683.129695][T11532]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  683.129698][T11532]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  683.129705][T11532]  ? 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))
[  683.129707][T11532]  ? 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))
[  683.129711][T11532]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  683.129715][T11532]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  683.129718][T11532]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  683.129722][T11532]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  683.129726][T11532]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  683.129729][T11532]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  683.129731][T11532]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  683.129736][T11532]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  683.129740][T11532]  ____sys_sendmsg (net/socket.c:2713)
[  683.129743][T11532]  ? copy_msghdr_from_user (net/socket.c:2650)
[  683.129745][T11532]  ? sock_write_iter (net/socket.c:1269)
[  683.129747][T11532]  ? move_addr_to_kernel (net/socket.c:258)
[  683.129754][T11532]  ___sys_sendmsg (net/socket.c:2767)
[  683.129757][T11532]  ? copy_msghdr_from_user (net/socket.c:2619)
[  683.129772][T11532]  __sys_sendmsg (net/socket.c:2799)
[  683.129775][T11532]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  683.129781][T11532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.129784][T11532]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  683.129787][T11532]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  683.129790][T11532]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  683.129792][T11532] RIP: 0033:0x7f8c22a9954e
[  683.129796][T11532] 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
[  683.129797][T11532] RSP: 002b:00007ffe2aea0410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  683.129800][T11532] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8c22a9954e
[  683.129802][T11532] RDX: 0000000000000000 RSI: 00007ffe2aea04c0 RDI: 0000000000000005
[  683.129803][T11532] RBP: 00007ffe2aea0420 R08: 0000000000000000 R09: 0000000000000000
[  683.129803][T11532] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190a9
[  683.129804][T11532] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2aea0b90
| [  692.081593][T11675] softirqs last disabled at (18764): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  692.081596][T11675] Preemption disabled at:
| [  692.081596][T11675] vprintk_emit (kernel/printk/printk.c:2471)
| [  692.081605][T11675] Tainted: [W]=WARN
[  692.081606][T11675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  692.081607][T11675] Call Trace:
[  692.081609][T11675]  <TASK>
[  692.081610][T11675]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  692.081616][T11675]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  692.081618][T11675]  __might_resched.cold (kernel/sched/core.c:9234)
[  692.081622][T11675]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  692.081626][T11675]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  692.081631][T11675]  __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))
[  692.081632][T11675]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  692.081639][T11675]  ? 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)
[  692.081641][T11675]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  692.081645][T11675]  put_chars (drivers/char/virtio_console.c:1176)
[  692.081647][T11675]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  692.081654][T11675]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  692.081661][T11675]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  692.081665][T11675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.081669][T11675]  console_emit_next_record (kernel/printk/printk.c:3183)
[  692.081673][T11675]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  692.081675][T11675]  ? 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))
[  692.081678][T11675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.081681][T11675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.081685][T11675]  console_flush_one_record (kernel/printk/printk.c:3268)
[  692.081689][T11675]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  692.081691][T11675]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  692.081696][T11675]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  692.081699][T11675]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  692.081701][T11675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.081703][T11675]  ? 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)
[  692.081706][T11675]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  692.081708][T11675]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  692.081711][T11675]  vprintk_emit (kernel/printk/printk.c:2479)
[  692.081714][T11675]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  692.081717][T11675]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  692.081722][T11675]  _printk (kernel/printk/printk.c:2504)
[  692.081726][T11675]  ? snapshot_read.cold (user.c:?)
[  692.081728][T11675]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  692.081730][T11675]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  692.081733][T11675]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  692.081735][T11675]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  692.081738][T11675]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  692.081741][T11675]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  692.081743][T11675]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  692.081746][T11675]  ? netdev_notice (net/core/dev.c:13194)
[  692.081749][T11675]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  692.081752][T11675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  692.081755][T11675]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  692.081758][T11675]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  692.081760][T11675]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  692.081762][T11675]  ? register_netdev (net/core/dev.c:11618)
[  692.081764][T11675]  ? 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))
[  692.081769][T11675]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  692.081771][T11675]  ? __kernel_text_address (kernel/extable.c:79)
[  692.081774][T11675]  ? write_profile (profile.c:?)
[  692.081778][T11675]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  692.081784][T11675]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  692.081787][T11675]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  692.081789][T11675]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  692.081791][T11675]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  692.081793][T11675]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  692.081796][T11675]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  692.081798][T11675]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  692.081800][T11675]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  692.081802][T11675]  ? kasan_save_stack (mm/kasan/common.c:58)
[  692.081804][T11675]  ? kasan_save_stack (mm/kasan/common.c:57)
[  692.081805][T11675]  ? kasan_save_track (mm/kasan/common.c:78)
[  692.081807][T11675]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  692.081809][T11675]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  692.081811][T11675]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  692.081814][T11675]  ? ___sys_sendmsg (net/socket.c:2758)
[  692.081818][T11675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  692.081820][T11675]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  692.081822][T11675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.081824][T11675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.081829][T11675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.081830][T11675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.081832][T11675]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  692.081834][T11675]  ? __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)
[  692.081835][T11675]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  692.081837][T11675]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  692.081840][T11675]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  692.081842][T11675]  ? nla_get_range_signed (lib/nlattr.c:270)
[  692.081847][T11675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.081849][T11675]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  692.081854][T11675]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  692.081859][T11675]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  692.081861][T11675]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  692.081865][T11675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  692.081867][T11675]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  692.081869][T11675]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  692.081871][T11675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  692.081875][T11675]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  692.081877][T11675]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  692.081880][T11675]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  692.081882][T11675]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  692.081886][T11675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  692.081888][T11675]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  692.081892][T11675]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  692.081895][T11675]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  692.081898][T11675]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  692.081904][T11675]  ? 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))
[  692.081906][T11675]  ? 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))
[  692.081910][T11675]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  692.081914][T11675]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  692.081917][T11675]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  692.081921][T11675]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  692.081925][T11675]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  692.081929][T11675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  692.081930][T11675]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  692.081935][T11675]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  692.081938][T11675]  ____sys_sendmsg (net/socket.c:2713)
[  692.081940][T11675]  ? copy_msghdr_from_user (net/socket.c:2650)
[  692.081943][T11675]  ? sock_write_iter (net/socket.c:1269)
[  692.081944][T11675]  ? move_addr_to_kernel (net/socket.c:258)
[  692.081952][T11675]  ___sys_sendmsg (net/socket.c:2767)
[  692.081954][T11675]  ? copy_msghdr_from_user (net/socket.c:2619)
[  692.081970][T11675]  __sys_sendmsg (net/socket.c:2799)
[  692.081973][T11675]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  692.081979][T11675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.081982][T11675]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  692.081985][T11675]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  692.081987][T11675]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  692.081990][T11675] RIP: 0033:0x7ff7f660b54e
[  692.081993][T11675] 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
[  692.081995][T11675] RSP: 002b:00007ffc2523b7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  692.081998][T11675] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff7f660b54e
[  692.081999][T11675] RDX: 0000000000000000 RSI: 00007ffc2523b8a0 RDI: 0000000000000005
[  692.082000][T11675] RBP: 00007ffc2523b800 R08: 0000000000000000 R09: 0000000000000000
[  692.082001][T11675] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190b2
[  692.082002][T11675] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2523bf70
| [  700.899546][T11818] softirqs last disabled at (22220): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  700.899549][T11818] Preemption disabled at:
| [  700.899549][T11818] vprintk_emit (kernel/printk/printk.c:2471)
| [  700.899557][T11818] Tainted: [W]=WARN
[  700.899558][T11818] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  700.899560][T11818] Call Trace:
[  700.899562][T11818]  <TASK>
[  700.899563][T11818]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  700.899569][T11818]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  700.899571][T11818]  __might_resched.cold (kernel/sched/core.c:9234)
[  700.899575][T11818]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  700.899579][T11818]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  700.899583][T11818]  __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))
[  700.899585][T11818]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  700.899591][T11818]  ? 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)
[  700.899594][T11818]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  700.899598][T11818]  put_chars (drivers/char/virtio_console.c:1176)
[  700.899600][T11818]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  700.899607][T11818]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  700.899614][T11818]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  700.899617][T11818]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.899622][T11818]  console_emit_next_record (kernel/printk/printk.c:3183)
[  700.899626][T11818]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  700.899628][T11818]  ? 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))
[  700.899631][T11818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.899634][T11818]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.899637][T11818]  console_flush_one_record (kernel/printk/printk.c:3268)
[  700.899642][T11818]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  700.899644][T11818]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  700.899649][T11818]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  700.899652][T11818]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  700.899654][T11818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.899655][T11818]  ? 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)
[  700.899659][T11818]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  700.899661][T11818]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  700.899664][T11818]  vprintk_emit (kernel/printk/printk.c:2479)
[  700.899667][T11818]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  700.899670][T11818]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  700.899675][T11818]  _printk (kernel/printk/printk.c:2504)
[  700.899678][T11818]  ? snapshot_read.cold (user.c:?)
[  700.899680][T11818]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  700.899682][T11818]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  700.899685][T11818]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  700.899687][T11818]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  700.899691][T11818]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  700.899693][T11818]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  700.899696][T11818]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  700.899698][T11818]  ? netdev_notice (net/core/dev.c:13194)
[  700.899701][T11818]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  700.899704][T11818]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  700.899707][T11818]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  700.899710][T11818]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  700.899712][T11818]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  700.899714][T11818]  ? register_netdev (net/core/dev.c:11618)
[  700.899716][T11818]  ? 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))
[  700.899721][T11818]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  700.899724][T11818]  ? __kernel_text_address (kernel/extable.c:79)
[  700.899726][T11818]  ? write_profile (profile.c:?)
[  700.899730][T11818]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  700.899736][T11818]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  700.899739][T11818]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  700.899741][T11818]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  700.899743][T11818]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  700.899745][T11818]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  700.899748][T11818]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  700.899750][T11818]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  700.899752][T11818]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  700.899754][T11818]  ? kasan_save_stack (mm/kasan/common.c:58)
[  700.899756][T11818]  ? kasan_save_stack (mm/kasan/common.c:57)
[  700.899757][T11818]  ? kasan_save_track (mm/kasan/common.c:78)
[  700.899758][T11818]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  700.899761][T11818]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  700.899762][T11818]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  700.899765][T11818]  ? ___sys_sendmsg (net/socket.c:2758)
[  700.899769][T11818]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  700.899771][T11818]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  700.899774][T11818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.899775][T11818]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.899777][T11818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.899778][T11818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.899780][T11818]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  700.899782][T11818]  ? __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)
[  700.899783][T11818]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  700.899785][T11818]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  700.899789][T11818]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  700.899790][T11818]  ? nla_get_range_signed (lib/nlattr.c:270)
[  700.899795][T11818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.899797][T11818]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  700.899802][T11818]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  700.899808][T11818]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  700.899809][T11818]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  700.899814][T11818]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  700.899816][T11818]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  700.899818][T11818]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  700.899819][T11818]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  700.899823][T11818]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  700.899828][T11818]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  700.899831][T11818]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  700.899832][T11818]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  700.899837][T11818]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  700.899839][T11818]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  700.899842][T11818]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  700.899845][T11818]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  700.899848][T11818]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  700.899854][T11818]  ? 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))
[  700.899856][T11818]  ? 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))
[  700.899861][T11818]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  700.899865][T11818]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  700.899867][T11818]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  700.899871][T11818]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  700.899875][T11818]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  700.899879][T11818]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  700.899880][T11818]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  700.899885][T11818]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  700.899888][T11818]  ____sys_sendmsg (net/socket.c:2713)
[  700.899891][T11818]  ? copy_msghdr_from_user (net/socket.c:2650)
[  700.899893][T11818]  ? sock_write_iter (net/socket.c:1269)
[  700.899894][T11818]  ? move_addr_to_kernel (net/socket.c:258)
[  700.899902][T11818]  ___sys_sendmsg (net/socket.c:2767)
[  700.899904][T11818]  ? copy_msghdr_from_user (net/socket.c:2619)
[  700.899920][T11818]  __sys_sendmsg (net/socket.c:2799)
[  700.899923][T11818]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  700.899929][T11818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.899932][T11818]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  700.899935][T11818]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  700.899937][T11818]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  700.899939][T11818] RIP: 0033:0x7eff33f6f54e
[  700.899943][T11818] 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
[  700.899945][T11818] RSP: 002b:00007ffc518e0d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  700.899947][T11818] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007eff33f6f54e
[  700.899949][T11818] RDX: 0000000000000000 RSI: 00007ffc518e0e00 RDI: 0000000000000005
[  700.899950][T11818] RBP: 00007ffc518e0d60 R08: 0000000000000000 R09: 0000000000000000
[  700.899950][T11818] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190bb
[  700.899951][T11818] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc518e14d0
| [  709.558284][T11961] softirqs last disabled at (28126): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  709.558287][T11961] Preemption disabled at:
| [  709.558288][T11961] vprintk_emit (kernel/printk/printk.c:2471)
| [  709.558296][T11961] Tainted: [W]=WARN
[  709.558297][T11961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  709.558298][T11961] Call Trace:
[  709.558300][T11961]  <TASK>
[  709.558301][T11961]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  709.558307][T11961]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  709.558309][T11961]  __might_resched.cold (kernel/sched/core.c:9234)
[  709.558313][T11961]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  709.558317][T11961]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  709.558321][T11961]  __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))
[  709.558323][T11961]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  709.558329][T11961]  ? 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)
[  709.558332][T11961]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  709.558336][T11961]  put_chars (drivers/char/virtio_console.c:1176)
[  709.558338][T11961]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  709.558344][T11961]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  709.558352][T11961]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  709.558355][T11961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.558359][T11961]  console_emit_next_record (kernel/printk/printk.c:3183)
[  709.558363][T11961]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  709.558365][T11961]  ? 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))
[  709.558368][T11961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.558371][T11961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.558375][T11961]  console_flush_one_record (kernel/printk/printk.c:3268)
[  709.558379][T11961]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  709.558381][T11961]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  709.558386][T11961]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  709.558389][T11961]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  709.558391][T11961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.558392][T11961]  ? 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)
[  709.558396][T11961]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  709.558398][T11961]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  709.558400][T11961]  vprintk_emit (kernel/printk/printk.c:2479)
[  709.558403][T11961]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  709.558406][T11961]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  709.558411][T11961]  _printk (kernel/printk/printk.c:2504)
[  709.558414][T11961]  ? snapshot_read.cold (user.c:?)
[  709.558416][T11961]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  709.558419][T11961]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  709.558421][T11961]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  709.558423][T11961]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  709.558427][T11961]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  709.558430][T11961]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.558432][T11961]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  709.558435][T11961]  ? netdev_notice (net/core/dev.c:13194)
[  709.558438][T11961]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  709.558441][T11961]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  709.558443][T11961]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  709.558447][T11961]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.558449][T11961]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  709.558451][T11961]  ? register_netdev (net/core/dev.c:11618)
[  709.558452][T11961]  ? 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))
[  709.558457][T11961]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  709.558460][T11961]  ? __kernel_text_address (kernel/extable.c:79)
[  709.558462][T11961]  ? write_profile (profile.c:?)
[  709.558466][T11961]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  709.558472][T11961]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.558475][T11961]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  709.558477][T11961]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  709.558479][T11961]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  709.558480][T11961]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  709.558484][T11961]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  709.558486][T11961]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  709.558488][T11961]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  709.558490][T11961]  ? kasan_save_stack (mm/kasan/common.c:58)
[  709.558492][T11961]  ? kasan_save_stack (mm/kasan/common.c:57)
[  709.558493][T11961]  ? kasan_save_track (mm/kasan/common.c:78)
[  709.558494][T11961]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  709.558497][T11961]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  709.558498][T11961]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  709.558501][T11961]  ? ___sys_sendmsg (net/socket.c:2758)
[  709.558505][T11961]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  709.558507][T11961]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  709.558510][T11961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.558512][T11961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.558513][T11961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.558514][T11961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.558516][T11961]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  709.558518][T11961]  ? __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)
[  709.558520][T11961]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  709.558521][T11961]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  709.558525][T11961]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  709.558526][T11961]  ? nla_get_range_signed (lib/nlattr.c:270)
[  709.558531][T11961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.558533][T11961]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  709.558538][T11961]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  709.558543][T11961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  709.558545][T11961]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  709.558549][T11961]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  709.558551][T11961]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  709.558553][T11961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  709.558555][T11961]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  709.558558][T11961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  709.558560][T11961]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  709.558564][T11961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  709.558565][T11961]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  709.558569][T11961]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  709.558571][T11961]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  709.558575][T11961]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  709.558578][T11961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  709.558580][T11961]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  709.558587][T11961]  ? 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))
[  709.558589][T11961]  ? 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))
[  709.558593][T11961]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  709.558597][T11961]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  709.558599][T11961]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  709.558604][T11961]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  709.558607][T11961]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  709.558611][T11961]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  709.558613][T11961]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  709.558618][T11961]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  709.558621][T11961]  ____sys_sendmsg (net/socket.c:2713)
[  709.558623][T11961]  ? copy_msghdr_from_user (net/socket.c:2650)
[  709.558626][T11961]  ? sock_write_iter (net/socket.c:1269)
[  709.558627][T11961]  ? move_addr_to_kernel (net/socket.c:258)
[  709.558634][T11961]  ___sys_sendmsg (net/socket.c:2767)
[  709.558637][T11961]  ? copy_msghdr_from_user (net/socket.c:2619)
[  709.558652][T11961]  __sys_sendmsg (net/socket.c:2799)
[  709.558655][T11961]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  709.558662][T11961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.558664][T11961]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  709.558667][T11961]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  709.558670][T11961]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  709.558672][T11961] RIP: 0033:0x7f136fc0c54e
[  709.558676][T11961] 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
[  709.558678][T11961] RSP: 002b:00007fff57581140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  709.558681][T11961] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f136fc0c54e
[  709.558682][T11961] RDX: 0000000000000000 RSI: 00007fff575811f0 RDI: 0000000000000005
[  709.558683][T11961] RBP: 00007fff57581150 R08: 0000000000000000 R09: 0000000000000000
[  709.558684][T11961] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190c3
[  709.558685][T11961] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff575818c0
| [  718.170267][T12104] softirqs last disabled at (28994): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  718.170269][T12104] Preemption disabled at:
| [  718.170270][T12104] vprintk_emit (kernel/printk/printk.c:2471)
| [  718.170278][T12104] Tainted: [W]=WARN
[  718.170279][T12104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  718.170280][T12104] Call Trace:
[  718.170282][T12104]  <TASK>
[  718.170283][T12104]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  718.170289][T12104]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  718.170291][T12104]  __might_resched.cold (kernel/sched/core.c:9234)
[  718.170295][T12104]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  718.170299][T12104]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  718.170303][T12104]  __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))
[  718.170305][T12104]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  718.170312][T12104]  ? 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)
[  718.170314][T12104]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  718.170318][T12104]  put_chars (drivers/char/virtio_console.c:1176)
[  718.170320][T12104]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  718.170327][T12104]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  718.170334][T12104]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  718.170337][T12104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  718.170342][T12104]  console_emit_next_record (kernel/printk/printk.c:3183)
[  718.170346][T12104]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  718.170348][T12104]  ? 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))
[  718.170351][T12104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.170354][T12104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  718.170358][T12104]  console_flush_one_record (kernel/printk/printk.c:3268)
[  718.170362][T12104]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  718.170364][T12104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  718.170369][T12104]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  718.170372][T12104]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  718.170374][T12104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.170375][T12104]  ? 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)
[  718.170379][T12104]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  718.170381][T12104]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  718.170384][T12104]  vprintk_emit (kernel/printk/printk.c:2479)
[  718.170387][T12104]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  718.170389][T12104]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  718.170395][T12104]  _printk (kernel/printk/printk.c:2504)
[  718.170398][T12104]  ? snapshot_read.cold (user.c:?)
[  718.170400][T12104]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  718.170403][T12104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  718.170405][T12104]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  718.170407][T12104]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  718.170411][T12104]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  718.170414][T12104]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  718.170416][T12104]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  718.170419][T12104]  ? netdev_notice (net/core/dev.c:13194)
[  718.170421][T12104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  718.170425][T12104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  718.170427][T12104]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  718.170431][T12104]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  718.170433][T12104]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  718.170435][T12104]  ? register_netdev (net/core/dev.c:11618)
[  718.170436][T12104]  ? 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))
[  718.170442][T12104]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  718.170444][T12104]  ? __kernel_text_address (kernel/extable.c:79)
[  718.170446][T12104]  ? write_profile (profile.c:?)
[  718.170450][T12104]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  718.170456][T12104]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  718.170460][T12104]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  718.170462][T12104]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  718.170463][T12104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  718.170465][T12104]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  718.170468][T12104]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  718.170470][T12104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  718.170472][T12104]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  718.170474][T12104]  ? kasan_save_stack (mm/kasan/common.c:58)
[  718.170476][T12104]  ? kasan_save_stack (mm/kasan/common.c:57)
[  718.170477][T12104]  ? kasan_save_track (mm/kasan/common.c:78)
[  718.170479][T12104]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  718.170481][T12104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  718.170483][T12104]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  718.170486][T12104]  ? ___sys_sendmsg (net/socket.c:2758)
[  718.170489][T12104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  718.170491][T12104]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  718.170494][T12104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.170496][T12104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  718.170497][T12104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.170498][T12104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.170500][T12104]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  718.170502][T12104]  ? __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)
[  718.170504][T12104]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  718.170506][T12104]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  718.170509][T12104]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  718.170510][T12104]  ? nla_get_range_signed (lib/nlattr.c:270)
[  718.170516][T12104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.170518][T12104]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  718.170523][T12104]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  718.170528][T12104]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  718.170530][T12104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  718.170535][T12104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  718.170537][T12104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  718.170539][T12104]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  718.170541][T12104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  718.170544][T12104]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  718.170546][T12104]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  718.170550][T12104]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  718.170551][T12104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  718.170556][T12104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  718.170557][T12104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  718.170561][T12104]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  718.170564][T12104]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  718.170567][T12104]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  718.170573][T12104]  ? 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))
[  718.170575][T12104]  ? 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))
[  718.170580][T12104]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  718.170584][T12104]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  718.170586][T12104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  718.170591][T12104]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  718.170595][T12104]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  718.170598][T12104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  718.170600][T12104]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  718.170605][T12104]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  718.170608][T12104]  ____sys_sendmsg (net/socket.c:2713)
[  718.170611][T12104]  ? copy_msghdr_from_user (net/socket.c:2650)
[  718.170613][T12104]  ? sock_write_iter (net/socket.c:1269)
[  718.170614][T12104]  ? move_addr_to_kernel (net/socket.c:258)
[  718.170622][T12104]  ___sys_sendmsg (net/socket.c:2767)
[  718.170625][T12104]  ? copy_msghdr_from_user (net/socket.c:2619)
[  718.170641][T12104]  __sys_sendmsg (net/socket.c:2799)
[  718.170644][T12104]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  718.170650][T12104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.170653][T12104]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  718.170656][T12104]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  718.170659][T12104]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  718.170661][T12104] RIP: 0033:0x7f1993d0254e
[  718.170665][T12104] 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
[  718.170666][T12104] RSP: 002b:00007ffc25085960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  718.170669][T12104] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1993d0254e
[  718.170670][T12104] RDX: 0000000000000000 RSI: 00007ffc25085a10 RDI: 0000000000000005
[  718.170671][T12104] RBP: 00007ffc25085970 R08: 0000000000000000 R09: 0000000000000000
[  718.170672][T12104] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190cc
[  718.170673][T12104] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc250860e0
| [  726.769457][T12247] softirqs last disabled at (24140): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  726.769460][T12247] Preemption disabled at:
| [  726.769460][T12247] vprintk_emit (kernel/printk/printk.c:2471)
| [  726.769468][T12247] Tainted: [W]=WARN
[  726.769469][T12247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  726.769471][T12247] Call Trace:
[  726.769472][T12247]  <TASK>
[  726.769474][T12247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  726.769480][T12247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  726.769481][T12247]  __might_resched.cold (kernel/sched/core.c:9234)
[  726.769485][T12247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  726.769490][T12247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  726.769494][T12247]  __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))
[  726.769496][T12247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  726.769503][T12247]  ? 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)
[  726.769505][T12247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  726.769509][T12247]  put_chars (drivers/char/virtio_console.c:1176)
[  726.769511][T12247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  726.769518][T12247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  726.769526][T12247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  726.769529][T12247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  726.769533][T12247]  console_emit_next_record (kernel/printk/printk.c:3183)
[  726.769537][T12247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  726.769539][T12247]  ? 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))
[  726.769542][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.769545][T12247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  726.769549][T12247]  console_flush_one_record (kernel/printk/printk.c:3268)
[  726.769553][T12247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  726.769555][T12247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  726.769560][T12247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  726.769563][T12247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  726.769565][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.769567][T12247]  ? 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)
[  726.769570][T12247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  726.769572][T12247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  726.769575][T12247]  vprintk_emit (kernel/printk/printk.c:2479)
[  726.769578][T12247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  726.769581][T12247]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  726.769586][T12247]  _printk (kernel/printk/printk.c:2504)
[  726.769590][T12247]  ? snapshot_read.cold (user.c:?)
[  726.769592][T12247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  726.769594][T12247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  726.769597][T12247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  726.769599][T12247]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  726.769603][T12247]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  726.769606][T12247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  726.769608][T12247]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  726.769611][T12247]  ? netdev_notice (net/core/dev.c:13194)
[  726.769614][T12247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  726.769617][T12247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  726.769620][T12247]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  726.769623][T12247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  726.769625][T12247]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  726.769627][T12247]  ? register_netdev (net/core/dev.c:11618)
[  726.769629][T12247]  ? 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))
[  726.769634][T12247]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  726.769637][T12247]  ? __kernel_text_address (kernel/extable.c:79)
[  726.769639][T12247]  ? write_profile (profile.c:?)
[  726.769643][T12247]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  726.769649][T12247]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  726.769652][T12247]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  726.769654][T12247]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  726.769656][T12247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  726.769658][T12247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  726.769661][T12247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  726.769663][T12247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  726.769665][T12247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  726.769667][T12247]  ? kasan_save_stack (mm/kasan/common.c:58)
[  726.769669][T12247]  ? kasan_save_stack (mm/kasan/common.c:57)
[  726.769671][T12247]  ? kasan_save_track (mm/kasan/common.c:78)
[  726.769672][T12247]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  726.769674][T12247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  726.769676][T12247]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  726.769679][T12247]  ? ___sys_sendmsg (net/socket.c:2758)
[  726.769683][T12247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  726.769685][T12247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  726.769688][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.769689][T12247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  726.769691][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.769692][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.769694][T12247]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  726.769696][T12247]  ? __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)
[  726.769698][T12247]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  726.769700][T12247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  726.769703][T12247]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  726.769704][T12247]  ? nla_get_range_signed (lib/nlattr.c:270)
[  726.769709][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.769712][T12247]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  726.769717][T12247]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  726.769722][T12247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  726.769724][T12247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  726.769729][T12247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  726.769731][T12247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  726.769733][T12247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  726.769735][T12247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  726.769739][T12247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  726.769741][T12247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  726.769744][T12247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  726.769745][T12247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  726.769750][T12247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  726.769752][T12247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  726.769755][T12247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  726.769758][T12247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  726.769761][T12247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  726.769768][T12247]  ? 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))
[  726.769770][T12247]  ? 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))
[  726.769774][T12247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  726.769778][T12247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  726.769781][T12247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  726.769785][T12247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  726.769789][T12247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  726.769793][T12247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  726.769795][T12247]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  726.769800][T12247]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  726.769803][T12247]  ____sys_sendmsg (net/socket.c:2713)
[  726.769805][T12247]  ? copy_msghdr_from_user (net/socket.c:2650)
[  726.769807][T12247]  ? sock_write_iter (net/socket.c:1269)
[  726.769809][T12247]  ? move_addr_to_kernel (net/socket.c:258)
[  726.769816][T12247]  ___sys_sendmsg (net/socket.c:2767)
[  726.769819][T12247]  ? copy_msghdr_from_user (net/socket.c:2619)
[  726.769838][T12247]  __sys_sendmsg (net/socket.c:2799)
[  726.769841][T12247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  726.769847][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  726.769850][T12247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  726.769852][T12247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  726.769855][T12247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  726.769858][T12247] RIP: 0033:0x7f46ab28854e
[  726.769861][T12247] 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
[  726.769863][T12247] RSP: 002b:00007ffcb3abea40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  726.769866][T12247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f46ab28854e
[  726.769867][T12247] RDX: 0000000000000000 RSI: 00007ffcb3abeaf0 RDI: 0000000000000005
[  726.769868][T12247] RBP: 00007ffcb3abea50 R08: 0000000000000000 R09: 0000000000000000
[  726.769869][T12247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190d5
[  726.769870][T12247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb3abf1c0
| [  735.400463][T12391] softirqs last disabled at (23810): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  735.400466][T12391] Preemption disabled at:
| [  735.400466][T12391] vprintk_emit (kernel/printk/printk.c:2471)
| [  735.400474][T12391] Tainted: [W]=WARN
[  735.400475][T12391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  735.400477][T12391] Call Trace:
[  735.400478][T12391]  <TASK>
[  735.400480][T12391]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  735.400486][T12391]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  735.400487][T12391]  __might_resched.cold (kernel/sched/core.c:9234)
[  735.400492][T12391]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  735.400496][T12391]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  735.400500][T12391]  __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))
[  735.400502][T12391]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  735.400508][T12391]  ? 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)
[  735.400511][T12391]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  735.400514][T12391]  put_chars (drivers/char/virtio_console.c:1176)
[  735.400517][T12391]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  735.400523][T12391]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  735.400531][T12391]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  735.400534][T12391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.400538][T12391]  console_emit_next_record (kernel/printk/printk.c:3183)
[  735.400542][T12391]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  735.400544][T12391]  ? 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))
[  735.400547][T12391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.400550][T12391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.400554][T12391]  console_flush_one_record (kernel/printk/printk.c:3268)
[  735.400558][T12391]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  735.400560][T12391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  735.400565][T12391]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  735.400568][T12391]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  735.400570][T12391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.400572][T12391]  ? 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)
[  735.400575][T12391]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  735.400577][T12391]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  735.400580][T12391]  vprintk_emit (kernel/printk/printk.c:2479)
[  735.400583][T12391]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  735.400585][T12391]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  735.400590][T12391]  _printk (kernel/printk/printk.c:2504)
[  735.400594][T12391]  ? snapshot_read.cold (user.c:?)
[  735.400596][T12391]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  735.400598][T12391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  735.400601][T12391]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  735.400603][T12391]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  735.400607][T12391]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  735.400610][T12391]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  735.400612][T12391]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  735.400615][T12391]  ? netdev_notice (net/core/dev.c:13194)
[  735.400618][T12391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  735.400621][T12391]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  735.400623][T12391]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  735.400627][T12391]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  735.400629][T12391]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  735.400631][T12391]  ? register_netdev (net/core/dev.c:11618)
[  735.400632][T12391]  ? 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))
[  735.400638][T12391]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  735.400640][T12391]  ? __kernel_text_address (kernel/extable.c:79)
[  735.400643][T12391]  ? write_profile (profile.c:?)
[  735.400647][T12391]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  735.400652][T12391]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  735.400656][T12391]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  735.400658][T12391]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  735.400659][T12391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  735.400661][T12391]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  735.400664][T12391]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  735.400666][T12391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  735.400668][T12391]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  735.400670][T12391]  ? kasan_save_stack (mm/kasan/common.c:58)
[  735.400672][T12391]  ? kasan_save_stack (mm/kasan/common.c:57)
[  735.400673][T12391]  ? kasan_save_track (mm/kasan/common.c:78)
[  735.400675][T12391]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  735.400677][T12391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  735.400679][T12391]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  735.400682][T12391]  ? ___sys_sendmsg (net/socket.c:2758)
[  735.400685][T12391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  735.400687][T12391]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  735.400690][T12391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.400692][T12391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.400694][T12391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.400695][T12391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.400696][T12391]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  735.400699][T12391]  ? __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)
[  735.400700][T12391]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  735.400702][T12391]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  735.400705][T12391]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  735.400707][T12391]  ? nla_get_range_signed (lib/nlattr.c:270)
[  735.400712][T12391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.400714][T12391]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  735.400719][T12391]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  735.400724][T12391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  735.400726][T12391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  735.400731][T12391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  735.400733][T12391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  735.400735][T12391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  735.400737][T12391]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  735.400740][T12391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  735.400742][T12391]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  735.400746][T12391]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  735.400747][T12391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  735.400752][T12391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  735.400754][T12391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  735.400757][T12391]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  735.400760][T12391]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  735.400763][T12391]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  735.400769][T12391]  ? 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))
[  735.400772][T12391]  ? 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))
[  735.400776][T12391]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  735.400780][T12391]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  735.400783][T12391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  735.400787][T12391]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  735.400791][T12391]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  735.400795][T12391]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  735.400796][T12391]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  735.400802][T12391]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  735.400804][T12391]  ____sys_sendmsg (net/socket.c:2713)
[  735.400807][T12391]  ? copy_msghdr_from_user (net/socket.c:2650)
[  735.400809][T12391]  ? sock_write_iter (net/socket.c:1269)
[  735.400810][T12391]  ? move_addr_to_kernel (net/socket.c:258)
[  735.400818][T12391]  ___sys_sendmsg (net/socket.c:2767)
[  735.400821][T12391]  ? copy_msghdr_from_user (net/socket.c:2619)
[  735.400839][T12391]  __sys_sendmsg (net/socket.c:2799)
[  735.400842][T12391]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  735.400849][T12391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.400852][T12391]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  735.400854][T12391]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  735.400857][T12391]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  735.400859][T12391] RIP: 0033:0x7f13c0aee54e
[  735.400863][T12391] 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
[  735.400865][T12391] RSP: 002b:00007ffc0fbf0660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  735.400867][T12391] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f13c0aee54e
[  735.400869][T12391] RDX: 0000000000000000 RSI: 00007ffc0fbf0710 RDI: 0000000000000005
[  735.400870][T12391] RBP: 00007ffc0fbf0670 R08: 0000000000000000 R09: 0000000000000000
[  735.400871][T12391] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190dd


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